Merge pull request #29640 from smoogipoo/mania-imperfect-ss

Make mania award SS even if there are GREAT judgements

.config/dotnet-tools.json

@@ -3,13 +3,13 @@
   "isRoot": true,
   "tools": {
     "jetbrains.resharper.globaltools": {
-      "version": "2022.2.3",
+      "version": "2023.3.3",
       "commands": [
         "jb"
       ]
     },
     "nvika": {
-      "version": "2.2.0",
+      "version": "3.0.0",
       "commands": [
         "nvika"
       ]
@@ -21,10 +21,10 @@
       ]
     },
     "ppy.localisationanalyser.tools": {
-      "version": "2023.712.0",
+      "version": "2024.802.0",
       "commands": [
         "localisation"
       ]
     }
   }
-}
+}

.editorconfig

@@ -196,6 +196,9 @@ csharp_style_prefer_switch_expression = false:none
 
 csharp_style_namespace_declarations = block_scoped:warning
 
+#Style - C# 12 features
+csharp_style_prefer_primary_constructors = false
+
 [*.{yaml,yml}]
 insert_final_newline = true
 indent_style = space

.github/ISSUE_TEMPLATE/bug-issue.yml

@@ -11,6 +11,10 @@ body:
         - Current open `priority:0` issues, filterable [here](https://github.com/ppy/osu/issues?q=is%3Aissue+is%3Aopen+sort%3Aupdated-desc+label%3Apriority%3A0).
         - And most importantly, search for your issue both in the [issue listing](https://github.com/ppy/osu/issues) and the [Q&A discussion listing](https://github.com/ppy/osu/discussions/categories/q-a). If you find that it already exists, respond with a reaction or add any further information that may be helpful.
 
+        # ATTENTION LINUX USERS
+
+        If you are having an issue and it is hardware related, **please open a [q&a discussion](https://github.com/ppy/osu/discussions/categories/q-a)** instead of an issue. There's a high chance your issue is due to your system configuration, and not our software.
+
   - type: dropdown
     attributes:
       label: Type
@@ -38,7 +42,7 @@ body:
   - type: input
     attributes:
       label: Version
-      description: The version you encountered this bug on. This is shown at the bottom of the main menu and also at the end of the settings screen.
+      description: The version you encountered this bug on. This is shown at the end of the settings overlay.
     validations:
       required: true
   - type: markdown
@@ -46,22 +50,16 @@ body:
       value: |
         ## Logs
 
-        Attaching log files is required for every reported bug. See instructions below on how to find them.
-
-        **Logs are reset when you reopen the game.** If the game crashed or has been closed since you found the bug, retrieve the logs using the file explorer instead.
+        Attaching log files is required for **every** issue, regardless of whether you deem them required or not. See instructions below on how to find them.
 
         ### Desktop platforms
 
         If the game has not yet been closed since you found the bug:
-          1. Head on to game settings and click on "Open osu! folder"
-          2. Then open the `logs` folder located there
+          1. Head on to game settings and click on "Export logs"
+          2. Click the notification to locate the file
+          3. Drag the generated `.zip` files into the github issue window
 
-        The default places to find the logs on desktop platforms are as follows:
-          - `%AppData%/osu/logs` *on Windows*
-          - `~/.local/share/osu/logs` *on Linux*
-          - `~/Library/Application Support/osu/logs` *on macOS*
-
-        If you have selected a custom location for the game files, you can find the `logs` folder there.
+        ![export logs button](https://github.com/ppy/osu/assets/191335/cbfa5550-b7ed-4c5c-8dd0-8b87cc90ad9b)
 
         ### Mobile platforms
 
@@ -69,10 +67,6 @@ body:
           - *On Android*, navigate to `Android/data/sh.ppy.osulazer/files/logs` using a file browser app.
           - *On iOS*, connect your device to a PC and copy the `logs` directory from the app's document storage using iTunes. (https://support.apple.com/en-us/HT201301#copy-to-computer)
 
-        ---
-
-        After locating the `logs` folder, select all log files inside and drag them into the "Logs" box below.
-
   - type: textarea
     attributes:
       label: Logs

.github/workflows/_diffcalc_processor.yml

@@ -0,0 +1,228 @@
+name: "🔒diffcalc (do not use)"
+
+on:
+  workflow_call:
+    inputs:
+      id:
+        type: string
+      head-sha:
+        type: string
+      pr-url:
+        type: string
+      pr-text:
+        type: string
+      dispatch-inputs:
+        type: string
+    outputs:
+      target:
+        description: The comparison target.
+        value: ${{ jobs.generator.outputs.target }}
+      sheet:
+        description: The comparison spreadsheet.
+        value: ${{ jobs.generator.outputs.sheet }}
+    secrets:
+      DIFFCALC_GOOGLE_CREDENTIALS:
+        required: true
+
+env:
+  GENERATOR_DIR: ${{ github.workspace }}/${{ inputs.id }}
+  GENERATOR_ENV: ${{ github.workspace }}/${{ inputs.id }}/.env
+
+defaults:
+  run:
+    shell: bash -euo pipefail {0}
+
+jobs:
+  generator:
+    name: Run
+    runs-on: self-hosted
+    timeout-minutes: 720
+
+    outputs:
+      target: ${{ steps.run.outputs.target }}
+      sheet: ${{ steps.run.outputs.sheet }}
+
+    steps:
+      - name: Checkout diffcalc-sheet-generator
+        uses: actions/checkout@v4
+        with:
+          path: ${{ inputs.id }}
+          repository: 'smoogipoo/diffcalc-sheet-generator'
+
+      - name: Add base environment
+        env:
+          GOOGLE_CREDS_FILE: ${{ github.workspace }}/${{ inputs.id }}/google-credentials.json
+          VARS_JSON: ${{ (vars != null && toJSON(vars)) || '' }}
+        run: |
+          # Required by diffcalc-sheet-generator
+          cp '${{ env.GENERATOR_DIR }}/.env.sample' "${{ env.GENERATOR_ENV }}"
+
+          # Add Google credentials
+          echo '${{ secrets.DIFFCALC_GOOGLE_CREDENTIALS }}' | base64 -d > "${{ env.GOOGLE_CREDS_FILE }}"
+
+          # Add repository variables
+          echo "${VARS_JSON}" | jq -c '. | to_entries | .[]' | while read -r line; do
+              opt=$(jq -r '.key' <<< ${line})
+              val=$(jq -r '.value' <<< ${line})
+
+              if [[ "${opt}" =~ ^DIFFCALC_ ]]; then
+                optNoPrefix=$(echo "${opt}" | cut -d '_' -f2-)
+                sed -i "s;^${optNoPrefix}=.*$;${optNoPrefix}=${val};" "${{ env.GENERATOR_ENV }}"
+              fi
+          done
+
+      - name: Add HEAD environment
+        run: |
+          sed -i "s;^OSU_A=.*$;OSU_A=${{ inputs.head-sha }};" "${{ env.GENERATOR_ENV }}"
+
+      - name: Add pull-request environment
+        if: ${{ inputs.pr-url != '' }}
+        run: |
+          sed -i "s;^OSU_B=.*$;OSU_B=${{ inputs.pr-url }};" "${{ env.GENERATOR_ENV }}"
+
+      - name: Add comment environment
+        if: ${{ inputs.pr-text != '' }}
+        env:
+          PR_TEXT: ${{ inputs.pr-text }}
+        run: |
+          # Add comment environment
+          echo "${PR_TEXT}" | sed -r 's/\r$//' | { grep -E '^\w+=' || true; } | while read -r line; do
+              opt=$(echo "${line}" | cut -d '=' -f1)
+              sed -i "s;^${opt}=.*$;${line};" "${{ env.GENERATOR_ENV }}"
+          done
+
+      - name: Add dispatch environment
+        if: ${{ inputs.dispatch-inputs != '' }}
+        env:
+          DISPATCH_INPUTS_JSON: ${{ inputs.dispatch-inputs }}
+        run: |
+          function get_input() {
+            echo "${DISPATCH_INPUTS_JSON}" | jq -r ".\"$1\""
+          }
+
+          osu_a=$(get_input 'osu-a')
+          osu_b=$(get_input 'osu-b')
+          ruleset=$(get_input 'ruleset')
+          generators=$(get_input 'generators')
+          difficulty_calculator_a=$(get_input 'difficulty-calculator-a')
+          difficulty_calculator_b=$(get_input 'difficulty-calculator-b')
+          score_processor_a=$(get_input 'score-processor-a')
+          score_processor_b=$(get_input 'score-processor-b')
+          converts=$(get_input 'converts')
+          ranked_only=$(get_input 'ranked-only')
+
+          sed -i "s;^OSU_B=.*$;OSU_B=${osu_b};" "${{ env.GENERATOR_ENV }}"
+          sed -i "s/^RULESET=.*$/RULESET=${ruleset}/" "${{ env.GENERATOR_ENV }}"
+          sed -i "s/^GENERATORS=.*$/GENERATORS=${generators}/" "${{ env.GENERATOR_ENV }}"
+
+          if [[ "${osu_a}" != 'latest' ]]; then
+              sed -i "s;^OSU_A=.*$;OSU_A=${osu_a};" "${{ env.GENERATOR_ENV }}"
+          fi
+
+          if [[ "${difficulty_calculator_a}" != 'latest' ]]; then
+              sed -i "s;^DIFFICULTY_CALCULATOR_A=.*$;DIFFICULTY_CALCULATOR_A=${difficulty_calculator_a};" "${{ env.GENERATOR_ENV }}"
+          fi
+
+          if [[ "${difficulty_calculator_b}" != 'latest' ]]; then
+              sed -i "s;^DIFFICULTY_CALCULATOR_B=.*$;DIFFICULTY_CALCULATOR_B=${difficulty_calculator_b};" "${{ env.GENERATOR_ENV }}"
+          fi
+
+          if [[ "${score_processor_a}" != 'latest' ]]; then
+              sed -i "s;^SCORE_PROCESSOR_A=.*$;SCORE_PROCESSOR_A=${score_processor_a};" "${{ env.GENERATOR_ENV }}"
+          fi
+
+          if [[ "${score_processor_b}" != 'latest' ]]; then
+              sed -i "s;^SCORE_PROCESSOR_B=.*$;SCORE_PROCESSOR_B=${score_processor_b};" "${{ env.GENERATOR_ENV }}"
+          fi
+
+          if [[ "${converts}" == 'true' ]]; then
+              sed -i 's/^NO_CONVERTS=.*$/NO_CONVERTS=0/' "${{ env.GENERATOR_ENV }}"
+          else
+              sed -i 's/^NO_CONVERTS=.*$/NO_CONVERTS=1/' "${{ env.GENERATOR_ENV }}"
+          fi
+
+          if [[ "${ranked_only}" == 'true' ]]; then
+              sed -i 's/^RANKED_ONLY=.*$/RANKED_ONLY=1/' "${{ env.GENERATOR_ENV }}"
+          else
+              sed -i 's/^RANKED_ONLY=.*$/RANKED_ONLY=0/' "${{ env.GENERATOR_ENV }}"
+          fi
+
+      - name: Query latest scores
+        id: query-scores
+        run: |
+          ruleset=$(cat ${{ env.GENERATOR_ENV }} | grep -E '^RULESET=' | cut -d '=' -f2-)
+          performance_data_name=$(curl -s "https://data.ppy.sh/" | grep "performance_${ruleset}_top_1000\b" | tail -1 | awk -F "'" '{print $2}' | sed 's/\.tar\.bz2//g')
+
+          echo "TARGET_DIR=${{ env.GENERATOR_DIR }}/sql/${ruleset}" >> "${GITHUB_OUTPUT}"
+          echo "DATA_NAME=${performance_data_name}" >> "${GITHUB_OUTPUT}"
+          echo "DATA_PKG=${performance_data_name}.tar.bz2" >> "${GITHUB_OUTPUT}"
+
+      - name: Restore score cache
+        id: restore-score-cache
+        uses: maxnowack/local-cache@720e69c948191660a90aa1cf6a42fc4d2dacdf30 # v2
+        with:
+          path: ${{ steps.query-scores.outputs.DATA_PKG }}
+          key: ${{ steps.query-scores.outputs.DATA_NAME }}
+
+      - name: Download scores
+        if: steps.restore-score-cache.outputs.cache-hit != 'true'
+        run: |
+          wget -q -O "${{ steps.query-scores.outputs.DATA_PKG }}" "https://data.ppy.sh/${{ steps.query-scores.outputs.DATA_PKG }}"
+
+      - name: Extract scores
+        run: |
+          tar -I lbzip2 -xf "${{ steps.query-scores.outputs.DATA_PKG }}"
+          rm -r "${{ steps.query-scores.outputs.TARGET_DIR }}"
+          mv "${{ steps.query-scores.outputs.DATA_NAME }}" "${{ steps.query-scores.outputs.TARGET_DIR }}"
+
+      - name: Query latest beatmaps
+        id: query-beatmaps
+        run: |
+          beatmaps_data_name=$(curl -s "https://data.ppy.sh/" | grep "osu_files" | tail -1 | awk -F "'" '{print $2}' | sed 's/\.tar\.bz2//g')
+
+          echo "TARGET_DIR=${{ env.GENERATOR_DIR }}/beatmaps" >> "${GITHUB_OUTPUT}"
+          echo "DATA_NAME=${beatmaps_data_name}" >> "${GITHUB_OUTPUT}"
+          echo "DATA_PKG=${beatmaps_data_name}.tar.bz2" >> "${GITHUB_OUTPUT}"
+
+      - name: Restore beatmap cache
+        id: restore-beatmap-cache
+        uses: maxnowack/local-cache@720e69c948191660a90aa1cf6a42fc4d2dacdf30 # v2
+        with:
+          path: ${{ steps.query-beatmaps.outputs.DATA_PKG }}
+          key: ${{ steps.query-beatmaps.outputs.DATA_NAME }}
+
+      - name: Download beatmap
+        if: steps.restore-beatmap-cache.outputs.cache-hit != 'true'
+        run: |
+          wget -q -O "${{ steps.query-beatmaps.outputs.DATA_PKG }}" "https://data.ppy.sh/${{ steps.query-beatmaps.outputs.DATA_PKG }}"
+
+      - name: Extract beatmap
+        run: |
+          tar -I lbzip2 -xf "${{ steps.query-beatmaps.outputs.DATA_PKG }}"
+          rm -r "${{ steps.query-beatmaps.outputs.TARGET_DIR }}"
+          mv "${{ steps.query-beatmaps.outputs.DATA_NAME }}" "${{ steps.query-beatmaps.outputs.TARGET_DIR }}"
+
+      - name: Run
+        id: run
+        run: |
+          # Add the GitHub token. This needs to be done here because it's unique per-job.
+          sed -i 's/^GH_TOKEN=.*$/GH_TOKEN=${{ github.token }}/' "${{ env.GENERATOR_ENV }}"
+
+          cd "${{ env.GENERATOR_DIR }}"
+
+          docker compose up --build --detach
+          docker compose logs --follow &
+          docker compose wait generator
+
+          link=$(docker compose logs --tail 10 generator | grep 'http' | sed -E 's/^.*(http.*)$/\1/')
+          target=$(cat "${{ env.GENERATOR_ENV }}" | grep -E '^OSU_B=' | cut -d '=' -f2-)
+
+          echo "target=${target}" >> "${GITHUB_OUTPUT}"
+          echo "sheet=${link}" >> "${GITHUB_OUTPUT}"
+
+      - name: Shutdown
+        if: ${{ always() }}
+        run: |
+          cd "${{ env.GENERATOR_DIR }}"
+          docker compose down --volumes
+          rm -rf "${{ env.GENERATOR_DIR }}"

.github/workflows/ci.yml

@@ -13,19 +13,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
-      # FIXME: Tools won't run in .NET 6.0 unless you install 3.1.x LTS side by side.
-      # https://itnext.io/how-to-support-multiple-net-sdks-in-github-actions-workflows-b988daa884e
-      - name: Install .NET 3.1.x LTS
-        uses: actions/setup-dotnet@v3
+      - name: Install .NET 8.0.x
+        uses: actions/setup-dotnet@v4
         with:
-          dotnet-version: "3.1.x"
-
-      - name: Install .NET 6.0.x
-        uses: actions/setup-dotnet@v3
-        with:
-          dotnet-version: "6.0.x"
+          dotnet-version: "8.0.x"
 
       - name: Restore Tools
         run: dotnet tool restore
@@ -34,7 +27,7 @@ jobs:
         run: dotnet restore osu.Desktop.slnf
 
       - name: Restore inspectcode cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ${{ github.workspace }}/inspectcode
           key: inspectcode-${{ hashFiles('.config/dotnet-tools.json', '.github/workflows/ci.yml', 'osu.sln*', 'osu*.slnf', '.editorconfig', '.globalconfig', 'CodeAnalysis/*', '**/*.csproj', '**/*.props') }}
@@ -71,18 +64,19 @@ jobs:
        matrix:
           os:
             - { prettyname: Windows, fullname: windows-latest }
-            - { prettyname: macOS, fullname: macos-latest }
+            # macOS runner performance has gotten unbearably slow so let's turn them off temporarily.
+            # - { prettyname: macOS, fullname: macos-latest }
             - { prettyname: Linux, fullname: ubuntu-latest }
           threadingMode: ['SingleThread', 'MultiThreaded']
-    timeout-minutes: 60
+    timeout-minutes: 120
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
-      - name: Install .NET 6.0.x
-        uses: actions/setup-dotnet@v3
+      - name: Install .NET 8.0.x
+        uses: actions/setup-dotnet@v4
         with:
-          dotnet-version: "6.0.x"
+          dotnet-version: "8.0.x"
 
       - name: Compile
         run: dotnet build -c Debug -warnaserror osu.Desktop.slnf
@@ -94,7 +88,7 @@ jobs:
       # Attempt to upload results even if test fails.
       # https://docs.github.com/en/actions/reference/context-and-expression-syntax-for-github-actions#always
       - name: Upload Test Results
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         if: ${{ always() }}
         with:
           name: osu-test-results-${{matrix.os.prettyname}}-${{matrix.threadingMode}}
@@ -106,46 +100,40 @@ jobs:
     timeout-minutes: 60
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
-      - name: Install .NET 6.0.x
-        uses: actions/setup-dotnet@v3
+      - name: Setup JDK 11
+        uses: actions/setup-java@v4
         with:
-          dotnet-version: "6.0.x"
+          distribution: microsoft
+          java-version: 11
+
+      - name: Install .NET 8.0.x
+        uses: actions/setup-dotnet@v4
+        with:
+          dotnet-version: "8.0.x"
 
       - name: Install .NET workloads
-        run: dotnet workload install maui-android
+        run: dotnet workload install android
 
       - name: Compile
         run: dotnet build -c Debug osu.Android.slnf
 
   build-only-ios:
     name: Build only (iOS)
-    # `macos-13` is required, because Xcode 14.3 is required (see below).
-    # TODO: can be changed to `macos-latest` once `macos-13` becomes latest (currently in beta)
-    runs-on: macos-13
+    runs-on: macos-latest
     timeout-minutes: 60
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
-      # newest Microsoft.iOS.Sdk versions require Xcode 14.3.
-      # 14.3 is currently not the default Xcode version (https://github.com/actions/runner-images/blob/main/images/macos/macos-13-Readme.md#xcode),
-      # so set it manually.
-      # TODO: remove when 14.3 becomes the default Xcode version.
-      - name: Set Xcode version
-        shell: bash
-        run: |
-          sudo xcode-select -s "/Applications/Xcode_14.3.app"
-          echo "MD_APPLE_SDK_ROOT=/Applications/Xcode_14.3.app" >> $GITHUB_ENV
-
-      - name: Install .NET 6.0.x
-        uses: actions/setup-dotnet@v3
+      - name: Install .NET 8.0.x
+        uses: actions/setup-dotnet@v4
         with:
-          dotnet-version: "6.0.x"
+          dotnet-version: "8.0.x"
 
       - name: Install .NET Workloads
-        run: dotnet workload install maui-ios
+        run: dotnet workload install ios --from-rollback-file https://raw.githubusercontent.com/ppy/osu-framework/refs/heads/master/workloads.json
 
       - name: Build
         run: dotnet build -c Debug osu.iOS

.github/workflows/diffcalc.yml

@@ -1,206 +1,196 @@
-# Listens for new PR comments containing !pp check [id], and runs a diffcalc comparison against master.
-# Usage:
-#   !pp check 0        | Runs only the osu! ruleset.
-#   !pp check 0 2      | Runs only the osu! and catch rulesets.
+# ## Description
 #
+# Uses [diffcalc-sheet-generator](https://github.com/smoogipoo/diffcalc-sheet-generator) to run two builds of osu and generate an SR/PP/Score comparison spreadsheet.
+#
+# ## Requirements
+#
+# Self-hosted runner with installed:
+# - `docker >= 20.10.16`
+# - `docker-compose >= 2.5.1`
+# - `lbzip2`
+# - `jq`
+#
+# ## Usage
+#
+# The workflow can be run in two ways:
+# 1. Via workflow dispatch.
+# 2. By an owner of the repository posting a pull request or issue comment containing `!diffcalc`.
+# For pull requests, the workflow will assume the pull request as the target to compare against (i.e. the `OSU_B` variable).
+# Any lines in the comment of the form `KEY=VALUE` are treated as variables for the generator.
+#
+# ## Google Service Account
+#
+# Spreadsheets are uploaded to a Google Service Account, and exposed with read-only permissions to the wider audience.
+#
+# 1. Create a project at https://console.cloud.google.com
+# 2. Enable the `Google Sheets` and `Google Drive` APIs.
+# 3. Create a Service Account
+# 4. Generate a key in the JSON format.
+# 5. Encode the key as base64 and store as an **actions secret** with name **`DIFFCALC_GOOGLE_CREDENTIALS`**
+#
+# ## Environment variables
+#
+# The default environment may be configured via **actions variables**.
+#
+# Refer to [the sample environment](https://github.com/smoogipoo/diffcalc-sheet-generator/blob/master/.env.sample), and prefix each variable with `DIFFCALC_` (e.g. `DIFFCALC_THREADS`, `DIFFCALC_INNODB_BUFFER_SIZE`, etc...).
+
+name: Run difficulty calculation comparison
+
+run-name: "${{ github.event_name == 'workflow_dispatch' && format('Manual run: {0}', inputs.osu-b) || 'Automatic comment trigger' }}"
 
-name: Difficulty Calculation
 on:
   issue_comment:
     types: [ created ]
+  workflow_dispatch:
+    inputs:
+      osu-b:
+        description: "The target build of ppy/osu"
+        type: string
+        required: true
+      ruleset:
+        description: "The ruleset to process"
+        type: choice
+        required: true
+        options:
+          - osu
+          - taiko
+          - catch
+          - mania
+      converts:
+        description: "Include converted beatmaps"
+        type: boolean
+        required: false
+        default: true
+      ranked-only:
+        description: "Only ranked beatmaps"
+        type: boolean
+        required: false
+        default: true
+      generators:
+        description: "Comma-separated list of generators (available: [sr, pp, score])"
+        type: string
+        required: false
+        default: 'pp,sr'
+      osu-a:
+        description: "The source build of ppy/osu"
+        type: string
+        required: false
+        default: 'latest'
+      difficulty-calculator-a:
+        description: "The source build of ppy/osu-difficulty-calculator"
+        type: string
+        required: false
+        default: 'latest'
+      difficulty-calculator-b:
+        description: "The target build of ppy/osu-difficulty-calculator"
+        type: string
+        required: false
+        default: 'latest'
+      score-processor-a:
+        description: "The source build of ppy/osu-queue-score-statistics"
+        type: string
+        required: false
+        default: 'latest'
+      score-processor-b:
+        description: "The target build of ppy/osu-queue-score-statistics"
+        type: string
+        required: false
+        default: 'latest'
+
+permissions:
+  pull-requests: write
 
 env:
-  CONCURRENCY: 4
-  ALLOW_DOWNLOAD: 1
-  SAVE_DOWNLOADED: 1
-  SKIP_INSERT_ATTRIBUTES: 1
+  EXECUTION_ID: execution-${{ github.run_id }}-${{ github.run_number }}-${{ github.run_attempt }}
+
+defaults:
+  run:
+    shell: bash -euo pipefail {0}
 
 jobs:
-  metadata:
-    name: Check for requests
-    runs-on: self-hosted
-    if: github.event.issue.pull_request && contains(github.event.comment.body, '!pp check') && (github.event.comment.author_association == 'MEMBER' || github.event.comment.author_association == 'OWNER')
-    outputs:
-      matrix: ${{ steps.generate-matrix.outputs.matrix }}
-      continue: ${{ steps.generate-matrix.outputs.continue }}
+  check-permissions:
+    name: Check permissions
+    runs-on: ubuntu-latest
+    if: ${{ github.event_name == 'workflow_dispatch' || contains(github.event.comment.body, '!diffcalc') }}
     steps:
-      - name: Construct build matrix
-        id: generate-matrix
+      - name: Check permissions
         run: |
-          if [[ "${{ github.event.comment.body }}" =~ "osu" ]] ; then
-            MATRIX_PROJECTS_JSON+='{ "name": "osu", "id": 0 },'
-          fi
-          if [[ "${{ github.event.comment.body }}" =~ "taiko" ]] ; then
-            MATRIX_PROJECTS_JSON+='{ "name": "taiko", "id": 1 },'
-          fi
-          if [[ "${{ github.event.comment.body }}" =~ "catch" ]] ; then
-            MATRIX_PROJECTS_JSON+='{ "name": "catch", "id": 2 },'
-          fi
-          if [[ "${{ github.event.comment.body }}" =~ "mania" ]] ; then
-            MATRIX_PROJECTS_JSON+='{ "name": "mania", "id": 3 },'
-          fi
+          ALLOWED_USERS=(smoogipoo peppy bdach frenzibyte)
+          for i in "${ALLOWED_USERS[@]}"; do
+              if [[ "${{ github.actor }}" == "$i" ]]; then
+                  exit 0
+              fi
+          done
+          exit 1
 
-          if [[ "${MATRIX_PROJECTS_JSON}" != "" ]]; then
-            MATRIX_JSON="{ \"ruleset\": [ ${MATRIX_PROJECTS_JSON} ] }"
-            echo "${MATRIX_JSON}"
-            CONTINUE="yes"
-          else
-            CONTINUE="no"
-          fi
+  run-diffcalc:
+    name: Run spreadsheet generator
+    needs: check-permissions
+    uses: ./.github/workflows/_diffcalc_processor.yml
+    with:
+      # Can't reference env... Why GitHub, WHY?
+      id: execution-${{ github.run_id }}-${{ github.run_number }}-${{ github.run_attempt }}
+      head-sha: https://github.com/${{ github.repository }}/commit/${{ github.event.pull_request.head.sha || github.sha }}
+      pr-url: ${{ github.event.issue.pull_request.html_url || '' }}
+      pr-text: ${{ github.event.comment.body || '' }}
+      dispatch-inputs: ${{ (github.event.type == 'workflow_dispatch' && toJSON(inputs)) || '' }}
+    secrets:
+      DIFFCALC_GOOGLE_CREDENTIALS: ${{ secrets.DIFFCALC_GOOGLE_CREDENTIALS }}
 
-          echo "continue=${CONTINUE}" >> $GITHUB_OUTPUT
-          echo "matrix=${MATRIX_JSON}" >> $GITHUB_OUTPUT
-  diffcalc:
-    name: Run
-    runs-on: self-hosted
-    timeout-minutes: 1440
-    if: needs.metadata.outputs.continue == 'yes'
-    needs: metadata
-    strategy:
-      matrix: ${{ fromJson(needs.metadata.outputs.matrix) }}
+  create-comment:
+    name: Create PR comment
+    needs: check-permissions
+    runs-on: ubuntu-latest
+    if: ${{ github.event_name == 'issue_comment' && github.event.issue.pull_request }}
     steps:
-      - name: Verify MySQL connection from host
-        run: |
-          mysql -e "SHOW DATABASES"
-
-      - name: Drop previous databases
-        run: |
-          for db in osu_master osu_pr
-          do
-            mysql -e "DROP DATABASE IF EXISTS $db"
-          done
-
-      - name: Create directory structure
-        run: |
-          mkdir -p $GITHUB_WORKSPACE/master/
-          mkdir -p $GITHUB_WORKSPACE/pr/
-
-      - name: Get upstream branch # https://akaimo.hatenablog.jp/entry/2020/05/16/101251
-        id: upstreambranch
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        run: |
-          echo "branchname=$(curl -H "Authorization: token ${GITHUB_TOKEN}" ${{ github.event.issue.pull_request.url }} | jq '.head.ref' | sed 's/\"//g')" >> $GITHUB_OUTPUT
-          echo "repo=$(curl -H "Authorization: token ${GITHUB_TOKEN}" ${{ github.event.issue.pull_request.url }} | jq '.head.repo.full_name' | sed 's/\"//g')" >> $GITHUB_OUTPUT
-
-      # Checkout osu
-      - name: Checkout osu (master)
-        uses: actions/checkout@v3
+      - name: Create comment
+        uses: thollander/actions-comment-pull-request@fabd468d3a1a0b97feee5f6b9e499eab0dd903f6 # v2.5.0
         with:
-          path: 'master/osu'
-      - name: Checkout osu (pr)
-        uses: actions/checkout@v3
+          comment_tag: ${{ env.EXECUTION_ID }}
+          message: |
+            Difficulty calculation queued -- please wait! (${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }})
+
+            *This comment will update on completion*
+
+  output-cli:
+    name: Info
+    needs: run-diffcalc
+    runs-on: ubuntu-latest
+    steps:
+      - name: Output info
+        run: |
+          echo "Target: ${{ needs.run-diffcalc.outputs.target }}"
+          echo "Spreadsheet: ${{ needs.run-diffcalc.outputs.sheet }}"
+
+  update-comment:
+    name: Update PR comment
+    needs: [ create-comment, run-diffcalc ]
+    runs-on: ubuntu-latest
+    if: ${{ always() && needs.create-comment.result == 'success' }}
+    steps:
+      - name: Update comment on success
+        if: ${{ needs.run-diffcalc.result == 'success' }}
+        uses: thollander/actions-comment-pull-request@fabd468d3a1a0b97feee5f6b9e499eab0dd903f6 # v2.5.0
         with:
-          path: 'pr/osu'
-          repository: ${{ steps.upstreambranch.outputs.repo }}
-          ref: ${{ steps.upstreambranch.outputs.branchname }}
+          comment_tag: ${{ env.EXECUTION_ID }}
+          mode: recreate
+          message: |
+            Target: ${{ needs.run-diffcalc.outputs.target }}
+            Spreadsheet: ${{ needs.run-diffcalc.outputs.sheet }}
 
-      - name: Checkout osu-difficulty-calculator (master)
-        uses: actions/checkout@v3
+      - name: Update comment on failure
+        if: ${{ needs.run-diffcalc.result == 'failure' }}
+        uses: thollander/actions-comment-pull-request@fabd468d3a1a0b97feee5f6b9e499eab0dd903f6 # v2.5.0
         with:
-          repository: ppy/osu-difficulty-calculator
-          path: 'master/osu-difficulty-calculator'
-      - name: Checkout osu-difficulty-calculator (pr)
-        uses: actions/checkout@v3
+          comment_tag: ${{ env.EXECUTION_ID }}
+          mode: recreate
+          message: |
+            Difficulty calculation failed: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}
+
+      - name: Update comment on cancellation
+        if: ${{ needs.run-diffcalc.result == 'cancelled' }}
+        uses: thollander/actions-comment-pull-request@fabd468d3a1a0b97feee5f6b9e499eab0dd903f6 # v2.5.0
         with:
-          repository: ppy/osu-difficulty-calculator
-          path: 'pr/osu-difficulty-calculator'
-
-      - name: Install .NET 5.0.x
-        uses: actions/setup-dotnet@v3
-        with:
-          dotnet-version: "5.0.x"
-
-      # Sanity checks to make sure diffcalc is not run when incompatible.
-      - name: Build diffcalc (master)
-        run: |
-          cd $GITHUB_WORKSPACE/master/osu-difficulty-calculator
-          ./UseLocalOsu.sh
-          dotnet build
-      - name: Build diffcalc (pr)
-        run: |
-          cd $GITHUB_WORKSPACE/pr/osu-difficulty-calculator
-          ./UseLocalOsu.sh
-          dotnet build
-
-      - name: Download + import data
-        run: |
-          PERFORMANCE_DATA_NAME=$(curl https://data.ppy.sh/ | grep performance_${{ matrix.ruleset.name }}_top_1000 | tail -1 | awk -F "\"" '{print $2}' | sed 's/\.tar\.bz2//g')
-          BEATMAPS_DATA_NAME=$(curl https://data.ppy.sh/ | grep osu_files | tail -1 | awk -F "\"" '{print $2}' | sed 's/\.tar\.bz2//g')
-
-          # Set env variable for further steps.
-          echo "BEATMAPS_PATH=$GITHUB_WORKSPACE/$BEATMAPS_DATA_NAME" >> $GITHUB_ENV
-
-          cd $GITHUB_WORKSPACE
-
-          echo "Downloading database dump $PERFORMANCE_DATA_NAME.."
-          wget -q -nc https://data.ppy.sh/$PERFORMANCE_DATA_NAME.tar.bz2
-          echo "Extracting.."
-          tar -xf $PERFORMANCE_DATA_NAME.tar.bz2
-
-          echo "Downloading beatmap dump $BEATMAPS_DATA_NAME.."
-          wget -q -nc https://data.ppy.sh/$BEATMAPS_DATA_NAME.tar.bz2
-          echo "Extracting.."
-          tar -xf $BEATMAPS_DATA_NAME.tar.bz2
-
-          cd $PERFORMANCE_DATA_NAME
-
-          for db in osu_master osu_pr
-          do
-            echo "Setting up database $db.."
-
-            mysql -e "CREATE DATABASE $db"
-
-            echo "Importing beatmaps.."
-            cat osu_beatmaps.sql | mysql $db
-            echo "Importing beatmapsets.."
-            cat osu_beatmapsets.sql | mysql $db
-
-            echo "Creating table structure.."
-            mysql $db -e 'CREATE TABLE `osu_beatmap_difficulty` (
-                `beatmap_id` int unsigned NOT NULL,
-                `mode` tinyint NOT NULL DEFAULT 0,
-                `mods` int unsigned NOT NULL,
-                `diff_unified` float NOT NULL,
-                `last_update` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
-                PRIMARY KEY (`beatmap_id`,`mode`,`mods`),
-                KEY `diff_sort` (`mode`,`mods`,`diff_unified`)
-              ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;'
-          done
-
-      - name: Run diffcalc (master)
-        env:
-          DB_NAME: osu_master
-        run: |
-          cd $GITHUB_WORKSPACE/master/osu-difficulty-calculator/osu.Server.DifficultyCalculator
-          dotnet run -c:Release -- all -m ${{ matrix.ruleset.id }} -ac -c ${{ env.CONCURRENCY }}
-      - name: Run diffcalc (pr)
-        env:
-          DB_NAME: osu_pr
-        run: |
-          cd $GITHUB_WORKSPACE/pr/osu-difficulty-calculator/osu.Server.DifficultyCalculator
-          dotnet run -c:Release -- all -m ${{ matrix.ruleset.id }} -ac -c ${{ env.CONCURRENCY }}
-
-      - name: Print diffs
-        run: |
-          mysql -e "
-            SELECT
-              m.beatmap_id,
-              m.mods,
-              b.filename,
-              m.diff_unified as 'sr_master',
-              p.diff_unified as 'sr_pr',
-              (p.diff_unified - m.diff_unified) as 'diff'
-            FROM osu_master.osu_beatmap_difficulty m
-            JOIN osu_pr.osu_beatmap_difficulty p
-              ON m.beatmap_id = p.beatmap_id
-              AND m.mode = p.mode
-              AND m.mods = p.mods
-            JOIN osu_pr.osu_beatmaps b
-              ON b.beatmap_id = p.beatmap_id
-            WHERE abs(m.diff_unified - p.diff_unified) > 0.1
-            ORDER BY abs(m.diff_unified - p.diff_unified)
-              DESC
-            LIMIT 10000;"
-
-      # Todo: Run ppcalc
+          comment_tag: ${{ env.EXECUTION_ID }}
+          mode: delete
+          message: '.' # Appears to be required by this action for non-error status code.

.github/workflows/report-nunit.yml

@@ -5,33 +5,40 @@
 name: Annotate CI run with test results
 on:
   workflow_run:
-    workflows: ["Continuous Integration"]
+    workflows: [ "Continuous Integration" ]
     types:
       - completed
-permissions: {}
+
+permissions:
+  contents: read
+  actions: read
+  checks: write
+
 jobs:
   annotate:
-    permissions:
-      checks: write # to create checks (dorny/test-reporter)
-
     name: Annotate CI run with test results
     runs-on: ubuntu-latest
     if: ${{ github.event.workflow_run.conclusion != 'cancelled' }}
-    strategy:
-       fail-fast: false
-       matrix:
-          os:
-            - { prettyname: Windows }
-            - { prettyname: macOS }
-            - { prettyname: Linux }
-          threadingMode: ['SingleThread', 'MultiThreaded']
     timeout-minutes: 5
     steps:
-      - name: Annotate CI run with test results
-        uses: dorny/test-reporter@v1.6.0
+      - name: Checkout
+        uses: actions/checkout@v4
         with:
-          artifact: osu-test-results-${{matrix.os.prettyname}}-${{matrix.threadingMode}}
-          name: Test Results (${{matrix.os.prettyname}}, ${{matrix.threadingMode}})
+          repository: ${{ github.event.workflow_run.repository.full_name }}
+          ref: ${{ github.event.workflow_run.head_sha }}
+
+      - name: Download results
+        uses: actions/download-artifact@v4
+        with:
+          pattern: osu-test-results-*
+          merge-multiple: true
+          run-id: ${{ github.event.workflow_run.id }}
+          github-token: ${{ github.token }}
+
+      - name: Annotate CI run with test results
+        uses: dorny/test-reporter@v1.8.0
+        with:
+          name: Results
           path: "*.trx"
           reporter: dotnet-trx
           list-suites: 'failed'

.github/workflows/sentry-release.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
 

.github/workflows/update-web-mod-definitions.yml

@@ -12,24 +12,24 @@ jobs:
     name: Update osu-web mod definitions
     runs-on: ubuntu-latest
     steps:
-    - name: Install .NET 6.0.x
-      uses: actions/setup-dotnet@v3
+    - name: Install .NET 8.0.x
+      uses: actions/setup-dotnet@v4
       with:
-        dotnet-version: "6.0.x"
+        dotnet-version: "8.0.x"
 
     - name: Checkout ppy/osu
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         path: osu
 
     - name: Checkout ppy/osu-tools
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         repository: ppy/osu-tools
         path: osu-tools
 
     - name: Checkout ppy/osu-web
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         repository: ppy/osu-web
         path: osu-web
@@ -43,7 +43,7 @@ jobs:
       working-directory: ./osu-tools
 
     - name: Create pull request with changes
-      uses: peter-evans/create-pull-request@v5
+      uses: peter-evans/create-pull-request@v6
       with:
         title: Update mod definitions
         body: "This PR has been auto-generated to update the mod definitions to match ppy/osu@${{ github.ref_name }}."

.gitignore

@@ -265,6 +265,8 @@ __pycache__/
 .idea/**/usage.statistics.xml
 .idea/**/dictionaries
 .idea/**/shelf
+.idea/*/.idea/projectSettingsUpdater.xml
+.idea/*/.idea/encodings.xml
 
 # Generated files
 .idea/**/contentModel.xml
@@ -340,4 +342,5 @@ inspectcode
 # Fody (pulled in by Realm) - schema file
 FodyWeavers.xsd
 
-.idea/.idea.osu.Desktop/.idea/misc.xml
+.idea/.idea.osu.Desktop/.idea/misc.xml
+.idea/.idea.osu.Android/.idea/deploymentTargetDropDown.xml

.globalconfig

@@ -1,5 +1,3 @@
-is_global = true
-
 # .NET Code Style
 # IDE styles reference: https://docs.microsoft.com/dotnet/fundamentals/code-analysis/style-rules/
 
@@ -56,4 +54,4 @@ dotnet_diagnostic.RS0030.severity = error
 
 # Temporarily disable analysing CanBeNull = true in NRT contexts due to mobile issues.
 # See: https://github.com/ppy/osu/pull/19677
-dotnet_diagnostic.OSUF001.severity = none
+dotnet_diagnostic.OSUF001.severity = none

.idea/.idea.osu.Android/.idea/projectSettingsUpdater.xml

@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="RiderProjectSettingsUpdater">
-    <option name="vcsConfiguration" value="2" />
-  </component>
-</project>

.idea/.idea.osu.Desktop/.idea/encodings.xml

@@ -1,4 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="Encoding" addBOMForNewFiles="with NO BOM" />
-</project>

.idea/.idea.osu.Desktop/.idea/projectSettingsUpdater.xml

@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="RiderProjectSettingsUpdater">
-    <option name="vcsConfiguration" value="2" />
-  </component>
-</project>

.idea/.idea.osu.Desktop/.idea/runConfigurations/Benchmarks.xml

@@ -1,8 +1,8 @@
 <component name="ProjectRunConfigurationManager">
   <configuration default="false" name="Benchmarks" type="DotNetProject" factoryName=".NET Project">
-    <option name="EXE_PATH" value="$PROJECT_DIR$/osu.Game.Benchmarks/bin/Debug/net6.0/osu.Game.Benchmarks.dll" />
+    <option name="EXE_PATH" value="$PROJECT_DIR$/osu.Game.Benchmarks/bin/Debug/net8.0/osu.Game.Benchmarks.dll" />
     <option name="PROGRAM_PARAMETERS" value="" />
-    <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$/osu.Game.Benchmarks/bin/Debug/net6.0" />
+    <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$/osu.Game.Benchmarks/bin/Debug/net8.0" />
     <option name="PASS_PARENT_ENVS" value="1" />
     <option name="USE_EXTERNAL_CONSOLE" value="0" />
     <option name="USE_MONO" value="0" />
@@ -12,7 +12,7 @@
     <option name="PROJECT_ARGUMENTS_TRACKING" value="1" />
     <option name="PROJECT_WORKING_DIRECTORY_TRACKING" value="1" />
     <option name="PROJECT_KIND" value="DotNetCore" />
-    <option name="PROJECT_TFM" value="net6.0" />
+    <option name="PROJECT_TFM" value="net8.0" />
     <method v="2">
       <option name="Build" />
     </method>

.idea/.idea.osu.Desktop/.idea/runConfigurations/CatchRuleset__Tests_.xml

@@ -1,8 +1,8 @@
 <component name="ProjectRunConfigurationManager">
   <configuration default="false" name="CatchRuleset (Tests)" type="DotNetProject" factoryName=".NET Project" folderName="Ruleset" activateToolWindowBeforeRun="false">
-    <option name="EXE_PATH" value="$PROJECT_DIR$/osu.Game.Rulesets.Catch.Tests/bin/Debug/net6.0/osu.Game.Rulesets.Catch.Tests.dll" />
+    <option name="EXE_PATH" value="$PROJECT_DIR$/osu.Game.Rulesets.Catch.Tests/bin/Debug/net8.0/osu.Game.Rulesets.Catch.Tests.dll" />
     <option name="PROGRAM_PARAMETERS" value="" />
-    <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$/osu.Game.Rulesets.Catch.Tests/bin/Debug/net6.0" />
+    <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$/osu.Game.Rulesets.Catch.Tests/bin/Debug/net8.0" />
     <option name="PASS_PARENT_ENVS" value="1" />
     <option name="USE_EXTERNAL_CONSOLE" value="0" />
     <option name="USE_MONO" value="0" />
@@ -12,7 +12,7 @@
     <option name="PROJECT_ARGUMENTS_TRACKING" value="1" />
     <option name="PROJECT_WORKING_DIRECTORY_TRACKING" value="1" />
     <option name="PROJECT_KIND" value="DotNetCore" />
-    <option name="PROJECT_TFM" value="net6.0" />
+    <option name="PROJECT_TFM" value="net8.0" />
     <browser url="http://localhost:5000" />
     <method v="2">
       <option name="Build" />

.idea/.idea.osu.Desktop/.idea/runConfigurations/ManiaRuleset__Tests_.xml

@@ -1,8 +1,8 @@
 <component name="ProjectRunConfigurationManager">
   <configuration default="false" name="ManiaRuleset (Tests)" type="DotNetProject" factoryName=".NET Project" folderName="Ruleset" activateToolWindowBeforeRun="false">
-    <option name="EXE_PATH" value="$PROJECT_DIR$/osu.Game.Rulesets.Mania.Tests/bin/Debug/net6.0/osu.Game.Rulesets.Mania.Tests.dll" />
+    <option name="EXE_PATH" value="$PROJECT_DIR$/osu.Game.Rulesets.Mania.Tests/bin/Debug/net8.0/osu.Game.Rulesets.Mania.Tests.dll" />
     <option name="PROGRAM_PARAMETERS" value="" />
-    <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$/osu.Game.Rulesets.Mania.Tests/bin/Debug/net6.0" />
+    <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$/osu.Game.Rulesets.Mania.Tests/bin/Debug/net8.0" />
     <option name="PASS_PARENT_ENVS" value="1" />
     <option name="USE_EXTERNAL_CONSOLE" value="0" />
     <option name="USE_MONO" value="0" />
@@ -12,7 +12,7 @@
     <option name="PROJECT_ARGUMENTS_TRACKING" value="1" />
     <option name="PROJECT_WORKING_DIRECTORY_TRACKING" value="1" />
     <option name="PROJECT_KIND" value="DotNetCore" />
-    <option name="PROJECT_TFM" value="net6.0" />
+    <option name="PROJECT_TFM" value="net8.0" />
     <browser url="http://localhost:5000" />
     <method v="2">
       <option name="Build" />

.idea/.idea.osu.Desktop/.idea/runConfigurations/OsuRuleset__Tests_.xml

@@ -1,8 +1,8 @@
 <component name="ProjectRunConfigurationManager">
   <configuration default="false" name="OsuRuleset (Tests)" type="DotNetProject" factoryName=".NET Project" folderName="Ruleset" activateToolWindowBeforeRun="false">
-    <option name="EXE_PATH" value="$PROJECT_DIR$/osu.Game.Rulesets.Osu.Tests/bin/Debug/net6.0/osu.Game.Rulesets.Osu.Tests.dll" />
+    <option name="EXE_PATH" value="$PROJECT_DIR$/osu.Game.Rulesets.Osu.Tests/bin/Debug/net8.0/osu.Game.Rulesets.Osu.Tests.dll" />
     <option name="PROGRAM_PARAMETERS" value="" />
-    <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$/osu.Game.Rulesets.Osu.Tests/bin/Debug/net6.0" />
+    <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$/osu.Game.Rulesets.Osu.Tests/bin/Debug/net8.0" />
     <option name="PASS_PARENT_ENVS" value="1" />
     <option name="USE_EXTERNAL_CONSOLE" value="0" />
     <option name="USE_MONO" value="0" />
@@ -12,7 +12,7 @@
     <option name="PROJECT_ARGUMENTS_TRACKING" value="1" />
     <option name="PROJECT_WORKING_DIRECTORY_TRACKING" value="1" />
     <option name="PROJECT_KIND" value="DotNetCore" />
-    <option name="PROJECT_TFM" value="net6.0" />
+    <option name="PROJECT_TFM" value="net8.0" />
     <browser url="http://localhost:5000" />
     <method v="2">
       <option name="Build" />

.idea/.idea.osu.Desktop/.idea/runConfigurations/TaikoRuleset__Tests_.xml

@@ -1,8 +1,8 @@
 <component name="ProjectRunConfigurationManager">
   <configuration default="false" name="TaikoRuleset (Tests)" type="DotNetProject" factoryName=".NET Project" folderName="Ruleset" activateToolWindowBeforeRun="false">
-    <option name="EXE_PATH" value="$PROJECT_DIR$/osu.Game.Rulesets.Taiko.Tests/bin/Debug/net6.0/osu.Game.Rulesets.Taiko.Tests.dll" />
+    <option name="EXE_PATH" value="$PROJECT_DIR$/osu.Game.Rulesets.Taiko.Tests/bin/Debug/net8.0/osu.Game.Rulesets.Taiko.Tests.dll" />
     <option name="PROGRAM_PARAMETERS" value="" />
-    <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$/osu.Game.Rulesets.Taiko.Tests/bin/Debug/net6.0" />
+    <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$/osu.Game.Rulesets.Taiko.Tests/bin/Debug/net8.0" />
     <option name="PASS_PARENT_ENVS" value="1" />
     <option name="USE_EXTERNAL_CONSOLE" value="0" />
     <option name="USE_MONO" value="0" />
@@ -12,7 +12,7 @@
     <option name="PROJECT_ARGUMENTS_TRACKING" value="1" />
     <option name="PROJECT_WORKING_DIRECTORY_TRACKING" value="1" />
     <option name="PROJECT_KIND" value="DotNetCore" />
-    <option name="PROJECT_TFM" value="net6.0" />
+    <option name="PROJECT_TFM" value="net8.0" />
     <browser url="http://localhost:5000" />
     <method v="2">
       <option name="Build" />

.idea/.idea.osu.Desktop/.idea/runConfigurations/Tournament.xml

@@ -1,8 +1,8 @@
 <component name="ProjectRunConfigurationManager">
   <configuration default="false" name="Tournament" type="DotNetProject" factoryName=".NET Project" folderName="Tournament" activateToolWindowBeforeRun="false">
-    <option name="EXE_PATH" value="$PROJECT_DIR$/osu.Desktop/bin/Debug/net6.0/osu!.dll" />
+    <option name="EXE_PATH" value="$PROJECT_DIR$/osu.Desktop/bin/Debug/net8.0/osu!.dll" />
     <option name="PROGRAM_PARAMETERS" value="--tournament" />
-    <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$/osu.Desktop/bin/Debug/net6.0" />
+    <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$/osu.Desktop/bin/Debug/net8.0" />
     <option name="PASS_PARENT_ENVS" value="1" />
     <option name="USE_EXTERNAL_CONSOLE" value="0" />
     <option name="USE_MONO" value="0" />
@@ -12,7 +12,7 @@
     <option name="PROJECT_ARGUMENTS_TRACKING" value="1" />
     <option name="PROJECT_WORKING_DIRECTORY_TRACKING" value="1" />
     <option name="PROJECT_KIND" value="DotNetCore" />
-    <option name="PROJECT_TFM" value="net6.0" />
+    <option name="PROJECT_TFM" value="net8.0" />
     <method v="2">
       <option name="Build" />
     </method>

.idea/.idea.osu.Desktop/.idea/runConfigurations/Tournament__Tests_.xml

@@ -1,8 +1,8 @@
 <component name="ProjectRunConfigurationManager">
   <configuration default="false" name="Tournament (Tests)" type="DotNetProject" factoryName=".NET Project" folderName="Tournament" activateToolWindowBeforeRun="false">
-    <option name="EXE_PATH" value="$PROJECT_DIR$/osu.Game.Tournament.Tests/bin/Debug/net6.0/osu.Game.Tournament.Tests.dll" />
+    <option name="EXE_PATH" value="$PROJECT_DIR$/osu.Game.Tournament.Tests/bin/Debug/net8.0/osu.Game.Tournament.Tests.dll" />
     <option name="PROGRAM_PARAMETERS" value="" />
-    <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$/osu.Game.Tournament.Tests/bin/Debug/net6.0" />
+    <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$/osu.Game.Tournament.Tests/bin/Debug/net8.0" />
     <option name="PASS_PARENT_ENVS" value="1" />
     <option name="USE_EXTERNAL_CONSOLE" value="0" />
     <option name="USE_MONO" value="0" />
@@ -12,7 +12,7 @@
     <option name="PROJECT_ARGUMENTS_TRACKING" value="1" />
     <option name="PROJECT_WORKING_DIRECTORY_TRACKING" value="1" />
     <option name="PROJECT_KIND" value="DotNetCore" />
-    <option name="PROJECT_TFM" value="net6.0" />
+    <option name="PROJECT_TFM" value="net8.0" />
     <browser url="http://localhost:5000" />
     <method v="2">
       <option name="Build" />

.idea/.idea.osu.Desktop/.idea/runConfigurations/osu_.xml

@@ -1,8 +1,8 @@
 <component name="ProjectRunConfigurationManager">
   <configuration default="false" name="osu!" type="DotNetProject" factoryName=".NET Project" folderName="osu!" activateToolWindowBeforeRun="false">
-    <option name="EXE_PATH" value="$PROJECT_DIR$/osu.Desktop/bin/Debug/net6.0/osu!.dll" />
+    <option name="EXE_PATH" value="$PROJECT_DIR$/osu.Desktop/bin/Debug/net8.0/osu!.dll" />
     <option name="PROGRAM_PARAMETERS" value="" />
-    <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$/osu.Desktop/bin/Debug/net6.0" />
+    <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$/osu.Desktop/bin/Debug/net8.0" />
     <option name="PASS_PARENT_ENVS" value="1" />
     <option name="USE_EXTERNAL_CONSOLE" value="0" />
     <option name="USE_MONO" value="0" />
@@ -12,7 +12,7 @@
     <option name="PROJECT_ARGUMENTS_TRACKING" value="1" />
     <option name="PROJECT_WORKING_DIRECTORY_TRACKING" value="1" />
     <option name="PROJECT_KIND" value="DotNetCore" />
-    <option name="PROJECT_TFM" value="net6.0" />
+    <option name="PROJECT_TFM" value="net8.0" />
     <method v="2">
       <option name="Build" />
     </method>

.idea/.idea.osu.Desktop/.idea/runConfigurations/osu___Tests_.xml

@@ -1,8 +1,8 @@
 <component name="ProjectRunConfigurationManager">
   <configuration default="false" name="osu! (Tests)" type="DotNetProject" factoryName=".NET Project" folderName="osu!" activateToolWindowBeforeRun="false">
-    <option name="EXE_PATH" value="$PROJECT_DIR$/osu.Game.Tests/bin/Debug/net6.0/osu.Game.Tests.dll" />
+    <option name="EXE_PATH" value="$PROJECT_DIR$/osu.Game.Tests/bin/Debug/net8.0/osu.Game.Tests.dll" />
     <option name="PROGRAM_PARAMETERS" value="" />
-    <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$/osu.Game.Tests/bin/Debug/net6.0" />
+    <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$/osu.Game.Tests/bin/Debug/net8.0" />
     <option name="PASS_PARENT_ENVS" value="1" />
     <option name="USE_EXTERNAL_CONSOLE" value="0" />
     <option name="USE_MONO" value="0" />
@@ -12,7 +12,7 @@
     <option name="PROJECT_ARGUMENTS_TRACKING" value="1" />
     <option name="PROJECT_WORKING_DIRECTORY_TRACKING" value="1" />
     <option name="PROJECT_KIND" value="DotNetCore" />
-    <option name="PROJECT_TFM" value="net6.0" />
+    <option name="PROJECT_TFM" value="net8.0" />
     <method v="2">
       <option name="Build" />
     </method>

.idea/.idea.osu.iOS/.idea/projectSettingsUpdater.xml

@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="RiderProjectSettingsUpdater">
-    <option name="vcsConfiguration" value="2" />
-  </component>
-</project>

.idea/.idea.osu/.idea/projectSettingsUpdater.xml

@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="RiderProjectSettingsUpdater">
-    <option name="vcsConfiguration" value="2" />
-  </component>
-</project>

.run/osu! (Second Client).run.xml

@@ -1,8 +1,8 @@
 <component name="ProjectRunConfigurationManager">
   <configuration default="false" name="osu! (Second Client)" type="DotNetProject" factoryName=".NET Project" folderName="osu!" activateToolWindowBeforeRun="false">
-    <option name="EXE_PATH" value="$PROJECT_DIR$/osu.Desktop/bin/Debug/net6.0/osu!.dll" />
+    <option name="EXE_PATH" value="$PROJECT_DIR$/osu.Desktop/bin/Debug/net8.0/osu!.dll" />
     <option name="PROGRAM_PARAMETERS" value="--debug-client-id=1" />
-    <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$/osu.Desktop/bin/Debug/net6.0" />
+    <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$/osu.Desktop/bin/Debug/net8.0" />
     <option name="PASS_PARENT_ENVS" value="1" />
     <option name="USE_EXTERNAL_CONSOLE" value="0" />
     <option name="USE_MONO" value="0" />
@@ -12,7 +12,7 @@
     <option name="PROJECT_ARGUMENTS_TRACKING" value="1" />
     <option name="PROJECT_WORKING_DIRECTORY_TRACKING" value="1" />
     <option name="PROJECT_KIND" value="DotNetCore" />
-    <option name="PROJECT_TFM" value="net6.0" />
+    <option name="PROJECT_TFM" value="net8.0" />
     <method v="2">
       <option name="Build" />
     </method>

.vscode/extensions.json

@@ -1,5 +1,6 @@
 {
     "recommendations": [
-        "ms-dotnettools.csharp"
+        "editorconfig.editorconfig",
+        "ms-dotnettools.csdevkit"
     ]
 }

.vscode/launch.json

@@ -7,7 +7,7 @@
             "request": "launch",
             "program": "dotnet",
             "args": [
-                "${workspaceRoot}/osu.Desktop/bin/Debug/net6.0/osu!.dll"
+                "${workspaceRoot}/osu.Desktop/bin/Debug/net8.0/osu!.dll"
             ],
             "cwd": "${workspaceRoot}",
             "preLaunchTask": "Build osu! (Debug)",
@@ -19,7 +19,7 @@
             "request": "launch",
             "program": "dotnet",
             "args": [
-                "${workspaceRoot}/osu.Desktop/bin/Release/net6.0/osu!.dll"
+                "${workspaceRoot}/osu.Desktop/bin/Release/net8.0/osu!.dll"
             ],
             "cwd": "${workspaceRoot}",
             "preLaunchTask": "Build osu! (Release)",
@@ -31,7 +31,7 @@
             "request": "launch",
             "program": "dotnet",
             "args": [
-                "${workspaceRoot}/osu.Game.Tests/bin/Debug/net6.0/osu.Game.Tests.dll"
+                "${workspaceRoot}/osu.Game.Tests/bin/Debug/net8.0/osu.Game.Tests.dll"
             ],
             "cwd": "${workspaceRoot}",
             "preLaunchTask": "Build tests (Debug)",
@@ -43,7 +43,7 @@
             "request": "launch",
             "program": "dotnet",
             "args": [
-                "${workspaceRoot}/osu.Game.Tests/bin/Release/net6.0/osu.Game.Tests.dll"
+                "${workspaceRoot}/osu.Game.Tests/bin/Release/net8.0/osu.Game.Tests.dll"
             ],
             "cwd": "${workspaceRoot}",
             "preLaunchTask": "Build tests (Release)",
@@ -55,7 +55,7 @@
             "request": "launch",
             "program": "dotnet",
             "args": [
-                "${workspaceRoot}/osu.Desktop/bin/Debug/net6.0/osu!.dll",
+                "${workspaceRoot}/osu.Desktop/bin/Debug/net8.0/osu!.dll",
                 "--tournament"
             ],
             "cwd": "${workspaceRoot}",
@@ -68,7 +68,7 @@
             "request": "launch",
             "program": "dotnet",
             "args": [
-                "${workspaceRoot}/osu.Desktop/bin/Release/net6.0/osu!.dll",
+                "${workspaceRoot}/osu.Desktop/bin/Release/net8.0/osu!.dll",
                 "--tournament"
             ],
             "cwd": "${workspaceRoot}",
@@ -81,7 +81,7 @@
             "request": "launch",
             "program": "dotnet",
             "args": [
-                "${workspaceRoot}/osu.Game.Tournament.Tests/bin/Debug/net6.0/osu.Game.Tournament.Tests.dll",
+                "${workspaceRoot}/osu.Game.Tournament.Tests/bin/Debug/net8.0/osu.Game.Tournament.Tests.dll",
                 "--tournament"
             ],
             "cwd": "${workspaceRoot}",
@@ -94,7 +94,7 @@
             "request": "launch",
             "program": "dotnet",
             "args": [
-                "${workspaceRoot}/osu.Game.Tournament.Tests/bin/Debug/net6.0/osu.Game.Tournament.Tests.dll",
+                "${workspaceRoot}/osu.Game.Tournament.Tests/bin/Debug/net8.0/osu.Game.Tournament.Tests.dll",
                 "--tournament"
             ],
             "cwd": "${workspaceRoot}",
@@ -105,7 +105,7 @@
             "name": "Benchmark",
             "type": "coreclr",
             "request": "launch",
-            "program": "${workspaceRoot}/osu.Game.Benchmarks/bin/Release/net6.0/osu.Game.Benchmarks.dll",
+            "program": "${workspaceRoot}/osu.Game.Benchmarks/bin/Release/net8.0/osu.Game.Benchmarks.dll",
             "args": [
                 "--filter",
                 "*"

CONTRIBUTING.md

@@ -55,11 +55,11 @@ When in doubt, it's probably best to start with a discussion first. We will esca
 
 While pull requests from unaffiliated contributors are welcome, please note that due to significant community interest and limited review throughput, the core team's primary focus is on the issues which are currently [on the roadmap](https://github.com/orgs/ppy/projects/7/views/6). Reviewing PRs that fall outside of the scope of the roadmap is done on a best-effort basis, so please be aware that it may take a while before a core maintainer gets around to review your change.
 
-The [issue tracker](https://github.com/ppy/osu/issues) should provide plenty of issues to start with. We also have a [`good-first-issue`](https://github.com/ppy/osu/issues?q=is%3Aissue+is%3Aopen+label%3Agood-first-issue) label, although from experience it is not used very often, as it is relatively rare that we can spot an issue that will definitively be a good first issue for a new contributor regardless of their programming experience.
+The [issue tracker](https://github.com/ppy/osu/issues) should provide plenty of issues to start with. We also have a [`good first issue`](https://github.com/ppy/osu/issues?q=is%3Aissue+is%3Aopen+label%3A%22good+first+issue%22) label, although from experience it is not used very often, as it is relatively rare that we can spot an issue that will definitively be a good first issue for a new contributor regardless of their programming experience.
 
 In the case of simple issues, a direct PR is okay. However, if you decide to work on an existing issue which doesn't seem trivial, **please ask us first**. This way we can try to estimate if it is a good fit for you and provide the correct direction on how to address it. In addition, note that while we do not rule out external contributors from working on roadmapped issues, we will generally prefer to handle them ourselves unless they're not very time sensitive.
 
-If you'd like to propose a subjective change to one of the visual aspects of the game, or there is a bigger task you'd like to work on, but there is no corresponding issue or discussion thread yet for it, **please open a discussion or issue first** to avoid wasted effort. This in particular applies if you want to work on [one of the available designs from the osu! public Figma library](https://www.figma.com/file/6m10GiGEncVFWmgOoSyakH/osu!-Figma-Library).
+If you'd like to propose a subjective change to one of the visual aspects of the game, or there is a bigger task you'd like to work on, but there is no corresponding issue or discussion thread yet for it, **please open a discussion or issue first** to avoid wasted effort. This in particular applies if you want to work on [one of the available designs from the osu! Figma master library](https://www.figma.com/file/VIkXMYNPMtQem2RJg9k2iQ/Master-Library).
 
 Aside from the above, below is a brief checklist of things to watch out when you're preparing your code changes:
 
@@ -68,6 +68,7 @@ Aside from the above, below is a brief checklist of things to watch out when you
 - Please do not make code changes via the GitHub web interface.
 - Please add tests for your changes. We expect most new features and bugfixes to have test coverage, unless the effort of adding them is prohibitive. The visual testing methodology we use is described in more detail [here](https://github.com/ppy/osu-framework/wiki/Development-and-Testing).
 - Please run tests and code style analysis (via `InspectCode.{ps1,sh}` scripts in the root of this repository) before opening the PR. This is particularly important if you're a first-time contributor, as CI will not run for your PR until we allow it to do so.
+- **Do not run the game in release configuration at any point during your testing** (the sole exception to this being benchmarks). Using release is an unnecessary and harmful practice, and can even lead to you losing your local realm database if you start making changes to the schema. The debug configuration has a completely separated full-stack environment, including a development website instance at https://dev.ppy.sh/. It is permitted to register an account on that development instance for testing purposes and not worry about multi-accounting infractions.
 
 After you're done with your changes and you wish to open the PR, please observe the following recommendations:
 
@@ -85,4 +86,4 @@ If you're uncertain about some part of the codebase or some inner workings of th
 - [Development roadmap](https://github.com/orgs/ppy/projects/7/views/6): What the core team is currently working on
 - [`ppy/osu-framework` wiki](https://github.com/ppy/osu-framework/wiki): Contains introductory information about osu!framework, the bespoke 2D game framework we use for the game
 - [`ppy/osu` wiki](https://github.com/ppy/osu/wiki): Contains articles about various technical aspects of the game
-- [Public Figma library](https://www.figma.com/file/6m10GiGEncVFWmgOoSyakH/osu!-Figma-Library): Contains finished and draft designs for osu!
+- [Figma master library](https://www.figma.com/file/VIkXMYNPMtQem2RJg9k2iQ/Master-Library): Contains finished and draft designs for osu!

CodeAnalysis/BannedSymbols.txt

@@ -7,7 +7,6 @@ T:SixLabors.ImageSharp.IDeepCloneable`1;Use osu.Game.Utils.IDeepCloneable<T> ins
 M:osu.Framework.Graphics.Sprites.SpriteText.#ctor;Use OsuSpriteText.
 M:osu.Framework.Bindables.IBindableList`1.GetBoundCopy();Fails on iOS. Use manual ctor + BindTo instead. (see https://github.com/mono/mono/issues/19900)
 T:NuGet.Packaging.CollectionExtensions;Don't use internal extension methods.
-M:System.Enum.HasFlag(System.Enum);Use osu.Framework.Extensions.EnumExtensions.HasFlagFast<T>() instead.
 M:Realms.IRealmCollection`1.SubscribeForNotifications`1(Realms.NotificationCallbackDelegate{``0});Use osu.Game.Database.RealmObjectExtensions.QueryAsyncWithNotifications(IRealmCollection<T>,NotificationCallbackDelegate<T>) instead.
 M:System.Guid.#ctor;Probably meaning to use Guid.NewGuid() instead. If actually wanting empty, use Guid.Empty.
 M:Realms.CollectionExtensions.SubscribeForNotifications`1(System.Linq.IQueryable{``0},Realms.NotificationCallbackDelegate{``0});Use osu.Game.Database.RealmObjectExtensions.QueryAsyncWithNotifications(IQueryable<T>,NotificationCallbackDelegate<T>) instead.

Directory.Build.props

@@ -1,8 +1,7 @@
 <!-- Contains required properties for osu!framework projects. -->
 <Project>
   <PropertyGroup Label="C#">
-    <LangVersion>10.0</LangVersion>
-    <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
+    <LangVersion>12.0</LangVersion>
     <Nullable>enable</Nullable>
   </PropertyGroup>
   <PropertyGroup>
@@ -35,7 +34,7 @@
     <RepositoryUrl>https://github.com/ppy/osu</RepositoryUrl>
     <PackageReleaseNotes>Automated release.</PackageReleaseNotes>
     <Company>ppy Pty Ltd</Company>
-    <Copyright>Copyright (c) 2022 ppy Pty Ltd</Copyright>
+    <Copyright>Copyright (c) 2024 ppy Pty Ltd</Copyright>
     <PackageTags>osu game</PackageTags>
   </PropertyGroup>
 </Project>

LICENCE

@@ -1,4 +1,4 @@
-Copyright (c) 2022 ppy Pty Ltd <contact@ppy.sh>.
+Copyright (c) 2024 ppy Pty Ltd <contact@ppy.sh>.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

README.md

@@ -12,45 +12,48 @@
 
 A free-to-win rhythm game. Rhythm is just a *click* away!
 
-The future of [osu!](https://osu.ppy.sh) and the beginning of an open era! Currently known by and released under the release codename "*lazer*". As in sharper than cutting-edge.
+This is the future – and final – iteration of the [osu!](https://osu.ppy.sh) game client which marks the beginning of an open era! Currently known by and released under the release codename "*lazer*". As in sharper than cutting-edge.
 
 ## Status
 
-This project is under constant development, but we aim to keep things in a stable state. Users are encouraged to try it out and keep it installed alongside the stable *osu!* client. It will continue to evolve to the point of eventually replacing the existing stable client as an update.
+This project is under constant development, but we do our best to keep things in a stable state. Players are encouraged to install from a release alongside their stable *osu!* client. This project will continue to evolve until we eventually reach the point where most users prefer it over the previous "osu!stable" release.
 
-**IMPORTANT:** Gameplay mechanics (and other features which you may have come to know and love) are in a constant state of flux. Game balance and final quality-of-life passes come at the end of development, preceded by experimentation and changes which may potentially **reduce playability or usability**. This is done in order to allow us to move forward as developers and designers more efficiently. If this offends you, please consider sticking to a [stable release](https://osu.ppy.sh/home/download) of osu!. We are not yet open to heated discussion over game mechanics and will not be using github as a forum for such discussions just yet.
-
-We are accepting bug reports (please report with as much detail as possible and follow the existing issue templates). Feature requests are also welcome, but understand that our focus is on completing the game to feature parity before adding new features. A few resources are available as starting points to getting involved and understanding the project:
+A few resources are available as starting points to getting involved and understanding the project:
 
 - Detailed release changelogs are available on the [official osu! site](https://osu.ppy.sh/home/changelog/lazer).
 - You can learn more about our approach to [project management](https://github.com/ppy/osu/wiki/Project-management).
+- Track our current efforts [towards improving the game](https://github.com/orgs/ppy/projects/7/views/6).
 
 ## Running osu!
 
-If you are looking to install or test osu! without setting up a development environment, you can consume our [releases](https://github.com/ppy/osu/releases). You can also generally download a version for your current device from the [osu! site](https://osu.ppy.sh/home/download). Failing that, you may use the links below to download the latest version for your operating system of choice:
+If you are just looking to give the game a whirl, you can grab the latest release for your platform:
 
-**Latest release:**
+### Latest release:
 
-| [Windows 8.1+ (x64)](https://github.com/ppy/osu/releases/latest/download/install.exe) | macOS 10.15+ ([Intel](https://github.com/ppy/osu/releases/latest/download/osu.app.Intel.zip), [Apple Silicon](https://github.com/ppy/osu/releases/latest/download/osu.app.Apple.Silicon.zip)) | [Linux (x64)](https://github.com/ppy/osu/releases/latest/download/osu.AppImage) | [iOS 13.4+](https://osu.ppy.sh/home/testflight) | [Android 5+](https://github.com/ppy/osu/releases/latest/download/sh.ppy.osulazer.apk) |
-| ------------- | ------------- | ------------- | ------------- | ------------- |
+| [Windows 10+ (x64)](https://github.com/ppy/osu/releases/latest/download/install.exe) | macOS 12+ ([Intel](https://github.com/ppy/osu/releases/latest/download/osu.app.Intel.zip), [Apple Silicon](https://github.com/ppy/osu/releases/latest/download/osu.app.Apple.Silicon.zip)) | [Linux (x64)](https://github.com/ppy/osu/releases/latest/download/osu.AppImage) | [iOS 13.4+](https://osu.ppy.sh/home/testflight) | [Android 5+](https://github.com/ppy/osu/releases/latest/download/sh.ppy.osulazer.apk) |
+|--------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| ------------- | ------------- | ------------- |
 
-- The iOS testflight link may fill up (Apple has a hard limit of 10,000 users). We reset it occasionally when this happens. Please do not ask about this. Check back regularly for link resets or follow [peppy](https://twitter.com/ppy) on twitter for announcements of link resets.
+You can also generally download a version for your current device from the [osu! site](https://osu.ppy.sh/home/download).
 
-If your platform is not listed above, there is still a chance you can manually build it by following the instructions below.
+If your platform is unsupported or not listed above, there is still a chance you can run the release or manually build it by following the instructions below.
+
+**For iOS/iPadOS users**: The iOS testflight link fills up very fast (Apple has a hard limit of 10,000 users). We reset it occasionally. Please do not ask about this. Check back regularly for link resets or follow [peppy](https://twitter.com/ppy) on twitter for announcements. Our goal is to get the game on mobile app stores in early 2024.
 
 ## Developing a custom ruleset
 
-osu! is designed to have extensible modular gameplay modes, called "rulesets". Building one of these allows a developer to harness the power of osu! for their own game style. To get started working on a ruleset, we have some templates available [here](https://github.com/ppy/osu/tree/master/Templates).
+osu! is designed to allow user-created gameplay variations, called "rulesets". Building one of these allows a developer to harness the power of the osu! beatmap library, game engine, and general UX for a new style of gameplay. To get started working on a ruleset, we have some templates available [here](https://github.com/ppy/osu/tree/master/Templates).
 
 You can see some examples of custom rulesets by visiting the [custom ruleset directory](https://github.com/ppy/osu/discussions/13096).
 
 ## Developing osu!
 
+### Prerequisites
+
 Please make sure you have the following prerequisites:
 
-- A desktop platform with the [.NET 6.0 SDK](https://dotnet.microsoft.com/download) installed.
+- A desktop platform with the [.NET 8.0 SDK](https://dotnet.microsoft.com/download) installed.
 
-When working with the codebase, we recommend using an IDE with intelligent code completion and syntax highlighting, such as the latest version of [Visual Studio](https://visualstudio.microsoft.com/vs/), [JetBrains Rider](https://www.jetbrains.com/rider/) or [Visual Studio Code](https://code.visualstudio.com/).
+When working with the codebase, we recommend using an IDE with intelligent code completion and syntax highlighting, such as the latest version of [Visual Studio](https://visualstudio.microsoft.com/vs/), [JetBrains Rider](https://www.jetbrains.com/rider/), or [Visual Studio Code](https://code.visualstudio.com/) with the [EditorConfig](https://marketplace.visualstudio.com/items?itemName=EditorConfig.EditorConfig) and [C# Dev Kit](https://marketplace.visualstudio.com/items?itemName=ms-dotnettools.csdevkit) plugin installed.
 
 ### Downloading the source code
 
@@ -69,9 +72,19 @@ git pull
 
 ### Building
 
-Build configurations for the recommended IDEs (listed above) are included. You should use the provided Build/Run functionality of your IDE to get things going. When testing or building new components, it's highly encouraged you use the `VisualTests` project/configuration. More information on this is provided [below](#contributing).
+#### From an IDE
 
-- Visual Studio / Rider users should load the project via one of the platform-specific `.slnf` files, rather than the main `.sln`. This will allow access to template run configurations.
+You should load the solution via one of the platform-specific `.slnf` files, rather than the main `.sln`. This will reduce dependencies and hide platforms that you don't care about. Valid `.slnf` files are:
+
+- `osu.Desktop.slnf` (most common)
+- `osu.Android.slnf`
+- `osu.iOS.slnf`
+
+Run configurations for the recommended IDEs (listed above) are included. You should use the provided Build/Run functionality of your IDE to get things going. When testing or building new components, it's highly encouraged you use the `osu! (Tests)` project/configuration. More information on this is provided [below](#contributing).
+
+To build for mobile platforms, you will likely need to run `sudo dotnet workload restore` if you haven't done so previously. This will install Android/iOS tooling required to complete the build.
+
+#### From CLI
 
 You can also build and run *osu!* from the command-line with a single command:
 
@@ -79,12 +92,10 @@ You can also build and run *osu!* from the command-line with a single command:
 dotnet run --project osu.Desktop
 ```
 
-If you are not interested in debugging *osu!*, you can add `-c Release` to gain performance. In this case, you must replace `Debug` with `Release` in any commands mentioned in this document.
+When running locally to do any kind of performance testing, make sure to add `-c Release` to the build command, as the overhead of running with the default `Debug` configuration can be large (especially when testing with local framework modifications as below).
 
 If the build fails, try to restore NuGet packages with `dotnet restore`.
 
-_Due to a historical feature gap between .NET Core and Xamarin, running `dotnet` CLI from the root directory will not work for most commands. This can be resolved by specifying a target `.csproj` or the helper project at `build/Desktop.proj`. Configurations have been provided to work around this issue for all supported IDEs mentioned above._
-
 ### Testing with resource/framework modifications
 
 Sometimes it may be necessary to cross-test changes in [osu-resources](https://github.com/ppy/osu-resources) or [osu-framework](https://github.com/ppy/osu-framework). This can be quickly achieved using included commands:

Templates/README.md

@@ -7,7 +7,7 @@ Templates for use when creating osu! dependent projects. Create a fully-testable
 ```bash
 # install (or update) templates package.
 # this only needs to be done once
-dotnet new -i ppy.osu.Game.Templates
+dotnet new install ppy.osu.Game.Templates
 
 # create an empty freeform ruleset
 dotnet new ruleset -n MyCoolRuleset

Templates/Rulesets/ruleset-empty/Directory.Build.props

@@ -0,0 +1,10 @@
+<!-- Contains required properties for osu!framework projects. -->
+<Project>
+  <PropertyGroup>
+    <ApplicationManifest>$(MSBuildThisFileDirectory)app.manifest</ApplicationManifest>
+  </PropertyGroup>
+  <PropertyGroup Label="Documentation">
+    <GenerateDocumentationFile>true</GenerateDocumentationFile>
+    <NoWarn>$(NoWarn);CS1591</NoWarn>
+  </PropertyGroup>
+</Project>

Templates/Rulesets/ruleset-empty/app.manifest

@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="utf-8"?>
+<asmv1:assembly manifestVersion="1.0" xmlns="urn:schemas-microsoft-com:asm.v1" xmlns:asmv1="urn:schemas-microsoft-com:asm.v1" xmlns:asmv2="urn:schemas-microsoft-com:asm.v2" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:asmv3="urn:schemas-microsoft-com:asm.v3">
+  <assemblyIdentity version="1.0.0.0" name="MyNewProject" />
+  <trustInfo xmlns="urn:schemas-microsoft-com:asm.v2">
+    <security>
+      <requestedPrivileges xmlns="urn:schemas-microsoft-com:asm.v3">
+        <requestedExecutionLevel level="asInvoker" uiAccess="false" />
+      </requestedPrivileges>
+      <applicationRequestMinimum>
+        <defaultAssemblyRequest permissionSetReference="Custom" />
+        <PermissionSet class="System.Security.PermissionSet" version="1" Unrestricted="true" ID="Custom" SameSite="site" />
+      </applicationRequestMinimum>
+    </security>
+  </trustInfo>
+  <compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1">
+    <application>
+      <!-- Windows Vista -->
+      <supportedOS Id="{e2011457-1546-43c5-a5fe-008deee3d3f0}" />
+      <!-- Windows 7 -->
+      <supportedOS Id="{35138b9a-5d96-4fbd-8e2d-a2440225f93a}" />
+      <!-- Windows 8 -->
+      <supportedOS Id="{4a2f28e3-53b9-4441-ba9c-d69d4a4a6e38}" />
+      <!-- Windows 8.1 -->
+      <supportedOS Id="{1f676c76-80e1-4239-95bb-83d0f6d0da78}" />
+      <!-- Windows 10 -->
+      <supportedOS Id="{8e0f7a12-bfb3-4fe8-b9a5-48fd50a15a9a}" />
+    </application>
+  </compatibility>
+  <asmv3:application>
+    <asmv3:windowsSettings xmlns="http://schemas.microsoft.com/SMI/2005/WindowsSettings">
+      <dpiAware>true</dpiAware>
+    </asmv3:windowsSettings>
+  </asmv3:application>
+  <dependency>
+    <dependentAssembly>
+      <assemblyIdentity
+          type="win32"
+          name="Microsoft.Windows.Common-Controls"
+          version="6.0.0.0"
+          processorArchitecture="*"
+          publicKeyToken="6595b64144ccf1df"
+          language="*"
+        />
+    </dependentAssembly>
+  </dependency>
+</asmv1:assembly>

Templates/Rulesets/ruleset-empty/osu.Game.Rulesets.EmptyFreeform.Tests/.vscode/launch.json

@@ -7,7 +7,7 @@
             "request": "launch",
             "program": "dotnet",
             "args": [
-                "${workspaceRoot}/bin/Debug/net6.0/osu.Game.Rulesets.EmptyFreeformRuleset.Tests.dll"
+                "${workspaceRoot}/bin/Debug/net8.0/osu.Game.Rulesets.EmptyFreeformRuleset.Tests.dll"
             ],
             "cwd": "${workspaceRoot}",
             "preLaunchTask": "Build (Debug)",
@@ -20,7 +20,7 @@
             "request": "launch",
             "program": "dotnet",
             "args": [
-                "${workspaceRoot}/bin/Release/net6.0/osu.Game.Rulesets.EmptyFreeformRuleset.Tests.dll"
+                "${workspaceRoot}/bin/Release/net8.0/osu.Game.Rulesets.EmptyFreeformRuleset.Tests.dll"
             ],
             "cwd": "${workspaceRoot}",
             "preLaunchTask": "Build (Release)",

Templates/Rulesets/ruleset-empty/osu.Game.Rulesets.EmptyFreeform.Tests/VisualTestRunner.cs

@@ -13,7 +13,7 @@ namespace osu.Game.Rulesets.EmptyFreeform.Tests
         [STAThread]
         public static int Main(string[] args)
         {
-            using (DesktopGameHost host = Host.GetSuitableDesktopHost(@"osu", new HostOptions { BindIPC = true }))
+            using (DesktopGameHost host = Host.GetSuitableDesktopHost(@"osu"))
             {
                 host.Run(new OsuTestBrowser());
                 return 0;

Templates/Rulesets/ruleset-empty/osu.Game.Rulesets.EmptyFreeform.Tests/osu.Game.Rulesets.EmptyFreeform.Tests.csproj

@@ -9,16 +9,16 @@
       <GenerateProgramFile>false</GenerateProgramFile>
     </PropertyGroup>
   <ItemGroup Label="Package References">
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.4.1" />
-    <PackageReference Include="NUnit" Version="3.13.3" />
-    <PackageReference Include="NUnit3TestAdapter" Version="4.3.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
+    <PackageReference Include="NUnit" Version="3.14.0" />
+    <PackageReference Include="NUnit3TestAdapter" Version="4.5.0" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\osu.Game.Rulesets.EmptyFreeform\osu.Game.Rulesets.EmptyFreeform.csproj" />
   </ItemGroup>
   <PropertyGroup Label="Project">
     <OutputType>WinExe</OutputType>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <RootNamespace>osu.Game.Rulesets.EmptyFreeform.Tests</RootNamespace>
   </PropertyGroup>
 </Project>

Templates/Rulesets/ruleset-empty/osu.Game.Rulesets.EmptyFreeform/Objects/Drawables/DrawableEmptyFreeformHitObject.cs

@@ -26,7 +26,7 @@ namespace osu.Game.Rulesets.EmptyFreeform.Objects.Drawables
         {
             if (timeOffset >= 0)
                 // todo: implement judgement logic
-                ApplyResult(r => r.Type = HitResult.Perfect);
+                ApplyResult(HitResult.Perfect);
         }
 
         protected override void UpdateHitStateTransforms(ArmedState state)

Templates/Rulesets/ruleset-empty/osu.Game.Rulesets.EmptyFreeform/osu.Game.Rulesets.EmptyFreeform.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup Label="Project">
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <AssemblyTitle>osu.Game.Rulesets.EmptyFreeform</AssemblyTitle>
     <OutputType>Library</OutputType>
     <PlatformTarget>AnyCPU</PlatformTarget>

Templates/Rulesets/ruleset-example/Directory.Build.props

@@ -0,0 +1,10 @@
+<!-- Contains required properties for osu!framework projects. -->
+<Project>
+  <PropertyGroup>
+    <ApplicationManifest>$(MSBuildThisFileDirectory)app.manifest</ApplicationManifest>
+  </PropertyGroup>
+  <PropertyGroup Label="Documentation">
+    <GenerateDocumentationFile>true</GenerateDocumentationFile>
+    <NoWarn>$(NoWarn);CS1591</NoWarn>
+  </PropertyGroup>
+</Project>

Templates/Rulesets/ruleset-example/app.manifest

@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="utf-8"?>
+<asmv1:assembly manifestVersion="1.0" xmlns="urn:schemas-microsoft-com:asm.v1" xmlns:asmv1="urn:schemas-microsoft-com:asm.v1" xmlns:asmv2="urn:schemas-microsoft-com:asm.v2" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:asmv3="urn:schemas-microsoft-com:asm.v3">
+  <assemblyIdentity version="1.0.0.0" name="MyNewProject" />
+  <trustInfo xmlns="urn:schemas-microsoft-com:asm.v2">
+    <security>
+      <requestedPrivileges xmlns="urn:schemas-microsoft-com:asm.v3">
+        <requestedExecutionLevel level="asInvoker" uiAccess="false" />
+      </requestedPrivileges>
+      <applicationRequestMinimum>
+        <defaultAssemblyRequest permissionSetReference="Custom" />
+        <PermissionSet class="System.Security.PermissionSet" version="1" Unrestricted="true" ID="Custom" SameSite="site" />
+      </applicationRequestMinimum>
+    </security>
+  </trustInfo>
+  <compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1">
+    <application>
+      <!-- Windows Vista -->
+      <supportedOS Id="{e2011457-1546-43c5-a5fe-008deee3d3f0}" />
+      <!-- Windows 7 -->
+      <supportedOS Id="{35138b9a-5d96-4fbd-8e2d-a2440225f93a}" />
+      <!-- Windows 8 -->
+      <supportedOS Id="{4a2f28e3-53b9-4441-ba9c-d69d4a4a6e38}" />
+      <!-- Windows 8.1 -->
+      <supportedOS Id="{1f676c76-80e1-4239-95bb-83d0f6d0da78}" />
+      <!-- Windows 10 -->
+      <supportedOS Id="{8e0f7a12-bfb3-4fe8-b9a5-48fd50a15a9a}" />
+    </application>
+  </compatibility>
+  <asmv3:application>
+    <asmv3:windowsSettings xmlns="http://schemas.microsoft.com/SMI/2005/WindowsSettings">
+      <dpiAware>true</dpiAware>
+    </asmv3:windowsSettings>
+  </asmv3:application>
+  <dependency>
+    <dependentAssembly>
+      <assemblyIdentity
+          type="win32"
+          name="Microsoft.Windows.Common-Controls"
+          version="6.0.0.0"
+          processorArchitecture="*"
+          publicKeyToken="6595b64144ccf1df"
+          language="*"
+        />
+    </dependentAssembly>
+  </dependency>
+</asmv1:assembly>

Templates/Rulesets/ruleset-example/osu.Game.Rulesets.Pippidon.Tests/.vscode/launch.json

@@ -7,7 +7,7 @@
             "request": "launch",
             "program": "dotnet",
             "args": [
-                "${workspaceRoot}/bin/Debug/net6.0/osu.Game.Rulesets.Pippidon.Tests.dll"
+                "${workspaceRoot}/bin/Debug/net8.0/osu.Game.Rulesets.Pippidon.Tests.dll"
             ],
             "cwd": "${workspaceRoot}",
             "preLaunchTask": "Build (Debug)",
@@ -20,7 +20,7 @@
             "request": "launch",
             "program": "dotnet",
             "args": [
-                "${workspaceRoot}/bin/Release/net6.0/osu.Game.Rulesets.Pippidon.Tests.dll"
+                "${workspaceRoot}/bin/Release/net8.0/osu.Game.Rulesets.Pippidon.Tests.dll"
             ],
             "cwd": "${workspaceRoot}",
             "preLaunchTask": "Build (Release)",

Templates/Rulesets/ruleset-example/osu.Game.Rulesets.Pippidon.Tests/VisualTestRunner.cs

@@ -13,7 +13,7 @@ namespace osu.Game.Rulesets.Pippidon.Tests
         [STAThread]
         public static int Main(string[] args)
         {
-            using (DesktopGameHost host = Host.GetSuitableDesktopHost(@"osu", new HostOptions { BindIPC = true }))
+            using (DesktopGameHost host = Host.GetSuitableDesktopHost(@"osu"))
             {
                 host.Run(new OsuTestBrowser());
                 return 0;

Templates/Rulesets/ruleset-example/osu.Game.Rulesets.Pippidon.Tests/osu.Game.Rulesets.Pippidon.Tests.csproj

@@ -9,16 +9,16 @@
     <GenerateProgramFile>false</GenerateProgramFile>
   </PropertyGroup>
   <ItemGroup Label="Package References">
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.4.1" />
-    <PackageReference Include="NUnit" Version="3.13.3" />
-    <PackageReference Include="NUnit3TestAdapter" Version="4.3.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
+    <PackageReference Include="NUnit" Version="3.14.0" />
+    <PackageReference Include="NUnit3TestAdapter" Version="4.5.0" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\osu.Game.Rulesets.Pippidon\osu.Game.Rulesets.Pippidon.csproj" />
   </ItemGroup>
   <PropertyGroup Label="Project">
     <OutputType>WinExe</OutputType>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <RootNamespace>osu.Game.Rulesets.Pippidon.Tests</RootNamespace>
   </PropertyGroup>
 </Project>

Templates/Rulesets/ruleset-example/osu.Game.Rulesets.Pippidon/Objects/Drawables/DrawablePippidonHitObject.cs

@@ -9,7 +9,6 @@ using osu.Framework.Graphics.Sprites;
 using osu.Framework.Graphics.Textures;
 using osu.Game.Audio;
 using osu.Game.Rulesets.Objects.Drawables;
-using osu.Game.Rulesets.Scoring;
 using osuTK;
 using osuTK.Graphics;
 
@@ -49,7 +48,12 @@ namespace osu.Game.Rulesets.Pippidon.Objects.Drawables
         protected override void CheckForResult(bool userTriggered, double timeOffset)
         {
             if (timeOffset >= 0)
-                ApplyResult(r => r.Type = IsHovered ? HitResult.Perfect : HitResult.Miss);
+            {
+                if (IsHovered)
+                    ApplyMaxResult();
+                else
+                    ApplyMinResult();
+            }
         }
 
         protected override double InitialLifetimeOffset => time_preempt;

Templates/Rulesets/ruleset-example/osu.Game.Rulesets.Pippidon/osu.Game.Rulesets.Pippidon.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup Label="Project">
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <AssemblyTitle>osu.Game.Rulesets.Pippidon</AssemblyTitle>
     <OutputType>Library</OutputType>
     <PlatformTarget>AnyCPU</PlatformTarget>

Templates/Rulesets/ruleset-scrolling-empty/Directory.Build.props

@@ -0,0 +1,10 @@
+<!-- Contains required properties for osu!framework projects. -->
+<Project>
+  <PropertyGroup>
+    <ApplicationManifest>$(MSBuildThisFileDirectory)app.manifest</ApplicationManifest>
+  </PropertyGroup>
+  <PropertyGroup Label="Documentation">
+    <GenerateDocumentationFile>true</GenerateDocumentationFile>
+    <NoWarn>$(NoWarn);CS1591</NoWarn>
+  </PropertyGroup>
+</Project>

Templates/Rulesets/ruleset-scrolling-empty/app.manifest

@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="utf-8"?>
+<asmv1:assembly manifestVersion="1.0" xmlns="urn:schemas-microsoft-com:asm.v1" xmlns:asmv1="urn:schemas-microsoft-com:asm.v1" xmlns:asmv2="urn:schemas-microsoft-com:asm.v2" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:asmv3="urn:schemas-microsoft-com:asm.v3">
+  <assemblyIdentity version="1.0.0.0" name="MyNewProject" />
+  <trustInfo xmlns="urn:schemas-microsoft-com:asm.v2">
+    <security>
+      <requestedPrivileges xmlns="urn:schemas-microsoft-com:asm.v3">
+        <requestedExecutionLevel level="asInvoker" uiAccess="false" />
+      </requestedPrivileges>
+      <applicationRequestMinimum>
+        <defaultAssemblyRequest permissionSetReference="Custom" />
+        <PermissionSet class="System.Security.PermissionSet" version="1" Unrestricted="true" ID="Custom" SameSite="site" />
+      </applicationRequestMinimum>
+    </security>
+  </trustInfo>
+  <compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1">
+    <application>
+      <!-- Windows Vista -->
+      <supportedOS Id="{e2011457-1546-43c5-a5fe-008deee3d3f0}" />
+      <!-- Windows 7 -->
+      <supportedOS Id="{35138b9a-5d96-4fbd-8e2d-a2440225f93a}" />
+      <!-- Windows 8 -->
+      <supportedOS Id="{4a2f28e3-53b9-4441-ba9c-d69d4a4a6e38}" />
+      <!-- Windows 8.1 -->
+      <supportedOS Id="{1f676c76-80e1-4239-95bb-83d0f6d0da78}" />
+      <!-- Windows 10 -->
+      <supportedOS Id="{8e0f7a12-bfb3-4fe8-b9a5-48fd50a15a9a}" />
+    </application>
+  </compatibility>
+  <asmv3:application>
+    <asmv3:windowsSettings xmlns="http://schemas.microsoft.com/SMI/2005/WindowsSettings">
+      <dpiAware>true</dpiAware>
+    </asmv3:windowsSettings>
+  </asmv3:application>
+  <dependency>
+    <dependentAssembly>
+      <assemblyIdentity
+          type="win32"
+          name="Microsoft.Windows.Common-Controls"
+          version="6.0.0.0"
+          processorArchitecture="*"
+          publicKeyToken="6595b64144ccf1df"
+          language="*"
+        />
+    </dependentAssembly>
+  </dependency>
+</asmv1:assembly>

Templates/Rulesets/ruleset-scrolling-empty/osu.Game.Rulesets.EmptyScrolling.Tests/.vscode/launch.json

@@ -7,7 +7,7 @@
             "request": "launch",
             "program": "dotnet",
             "args": [
-                "${workspaceRoot}/bin/Debug/net6.0/osu.Game.Rulesets.EmptyScrolling.Tests.dll"
+                "${workspaceRoot}/bin/Debug/net8.0/osu.Game.Rulesets.EmptyScrolling.Tests.dll"
             ],
             "cwd": "${workspaceRoot}",
             "preLaunchTask": "Build (Debug)",
@@ -20,7 +20,7 @@
             "request": "launch",
             "program": "dotnet",
             "args": [
-                "${workspaceRoot}/bin/Release/net6.0/osu.Game.Rulesets.EmptyScrolling.Tests.dll"
+                "${workspaceRoot}/bin/Release/net8.0/osu.Game.Rulesets.EmptyScrolling.Tests.dll"
             ],
             "cwd": "${workspaceRoot}",
             "preLaunchTask": "Build (Release)",

Templates/Rulesets/ruleset-scrolling-empty/osu.Game.Rulesets.EmptyScrolling.Tests/VisualTestRunner.cs

@@ -13,7 +13,7 @@ namespace osu.Game.Rulesets.EmptyScrolling.Tests
         [STAThread]
         public static int Main(string[] args)
         {
-            using (DesktopGameHost host = Host.GetSuitableDesktopHost(@"osu", new HostOptions { BindIPC = true }))
+            using (DesktopGameHost host = Host.GetSuitableDesktopHost(@"osu"))
             {
                 host.Run(new OsuTestBrowser());
                 return 0;

Templates/Rulesets/ruleset-scrolling-empty/osu.Game.Rulesets.EmptyScrolling.Tests/osu.Game.Rulesets.EmptyScrolling.Tests.csproj

@@ -9,16 +9,16 @@
     <GenerateProgramFile>false</GenerateProgramFile>
   </PropertyGroup>
   <ItemGroup Label="Package References">
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.4.1" />
-    <PackageReference Include="NUnit" Version="3.13.3" />
-    <PackageReference Include="NUnit3TestAdapter" Version="4.3.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
+    <PackageReference Include="NUnit" Version="3.14.0" />
+    <PackageReference Include="NUnit3TestAdapter" Version="4.5.0" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\osu.Game.Rulesets.EmptyScrolling\osu.Game.Rulesets.EmptyScrolling.csproj" />
   </ItemGroup>
   <PropertyGroup Label="Project">
     <OutputType>WinExe</OutputType>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <RootNamespace>osu.Game.Rulesets.EmptyScrolling.Tests</RootNamespace>
   </PropertyGroup>
 </Project>

Templates/Rulesets/ruleset-scrolling-empty/osu.Game.Rulesets.EmptyScrolling/Objects/Drawables/DrawableEmptyScrollingHitObject.cs

@@ -3,7 +3,6 @@
 
 using osu.Framework.Graphics;
 using osu.Game.Rulesets.Objects.Drawables;
-using osu.Game.Rulesets.Scoring;
 using osuTK;
 using osuTK.Graphics;
 
@@ -24,7 +23,7 @@ namespace osu.Game.Rulesets.EmptyScrolling.Objects.Drawables
         {
             if (timeOffset >= 0)
                 // todo: implement judgement logic
-                ApplyResult(r => r.Type = HitResult.Perfect);
+                ApplyMaxResult();
         }
 
         protected override void UpdateHitStateTransforms(ArmedState state)

Templates/Rulesets/ruleset-scrolling-empty/osu.Game.Rulesets.EmptyScrolling/osu.Game.Rulesets.EmptyScrolling.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup Label="Project">
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <AssemblyTitle>osu.Game.Rulesets.EmptyScrolling</AssemblyTitle>
     <OutputType>Library</OutputType>
     <PlatformTarget>AnyCPU</PlatformTarget>

Templates/Rulesets/ruleset-scrolling-example/Directory.Build.props

@@ -0,0 +1,10 @@
+<!-- Contains required properties for osu!framework projects. -->
+<Project>
+  <PropertyGroup>
+    <ApplicationManifest>$(MSBuildThisFileDirectory)app.manifest</ApplicationManifest>
+  </PropertyGroup>
+  <PropertyGroup Label="Documentation">
+    <GenerateDocumentationFile>true</GenerateDocumentationFile>
+    <NoWarn>$(NoWarn);CS1591</NoWarn>
+  </PropertyGroup>
+</Project>

Templates/Rulesets/ruleset-scrolling-example/app.manifest

@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="utf-8"?>
+<asmv1:assembly manifestVersion="1.0" xmlns="urn:schemas-microsoft-com:asm.v1" xmlns:asmv1="urn:schemas-microsoft-com:asm.v1" xmlns:asmv2="urn:schemas-microsoft-com:asm.v2" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:asmv3="urn:schemas-microsoft-com:asm.v3">
+  <assemblyIdentity version="1.0.0.0" name="MyNewProject" />
+  <trustInfo xmlns="urn:schemas-microsoft-com:asm.v2">
+    <security>
+      <requestedPrivileges xmlns="urn:schemas-microsoft-com:asm.v3">
+        <requestedExecutionLevel level="asInvoker" uiAccess="false" />
+      </requestedPrivileges>
+      <applicationRequestMinimum>
+        <defaultAssemblyRequest permissionSetReference="Custom" />
+        <PermissionSet class="System.Security.PermissionSet" version="1" Unrestricted="true" ID="Custom" SameSite="site" />
+      </applicationRequestMinimum>
+    </security>
+  </trustInfo>
+  <compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1">
+    <application>
+      <!-- Windows Vista -->
+      <supportedOS Id="{e2011457-1546-43c5-a5fe-008deee3d3f0}" />
+      <!-- Windows 7 -->
+      <supportedOS Id="{35138b9a-5d96-4fbd-8e2d-a2440225f93a}" />
+      <!-- Windows 8 -->
+      <supportedOS Id="{4a2f28e3-53b9-4441-ba9c-d69d4a4a6e38}" />
+      <!-- Windows 8.1 -->
+      <supportedOS Id="{1f676c76-80e1-4239-95bb-83d0f6d0da78}" />
+      <!-- Windows 10 -->
+      <supportedOS Id="{8e0f7a12-bfb3-4fe8-b9a5-48fd50a15a9a}" />
+    </application>
+  </compatibility>
+  <asmv3:application>
+    <asmv3:windowsSettings xmlns="http://schemas.microsoft.com/SMI/2005/WindowsSettings">
+      <dpiAware>true</dpiAware>
+    </asmv3:windowsSettings>
+  </asmv3:application>
+  <dependency>
+    <dependentAssembly>
+      <assemblyIdentity
+          type="win32"
+          name="Microsoft.Windows.Common-Controls"
+          version="6.0.0.0"
+          processorArchitecture="*"
+          publicKeyToken="6595b64144ccf1df"
+          language="*"
+        />
+    </dependentAssembly>
+  </dependency>
+</asmv1:assembly>

Templates/Rulesets/ruleset-scrolling-example/osu.Game.Rulesets.Pippidon.Tests/.vscode/launch.json

@@ -7,7 +7,7 @@
             "request": "launch",
             "program": "dotnet",
             "args": [
-                "${workspaceRoot}/bin/Debug/net6.0/osu.Game.Rulesets.Pippidon.Tests.dll"
+                "${workspaceRoot}/bin/Debug/net8.0/osu.Game.Rulesets.Pippidon.Tests.dll"
             ],
             "cwd": "${workspaceRoot}",
             "preLaunchTask": "Build (Debug)",
@@ -20,7 +20,7 @@
             "request": "launch",
             "program": "dotnet",
             "args": [
-                "${workspaceRoot}/bin/Release/net6.0/osu.Game.Rulesets.Pippidon.Tests.dll"
+                "${workspaceRoot}/bin/Release/net8.0/osu.Game.Rulesets.Pippidon.Tests.dll"
             ],
             "cwd": "${workspaceRoot}",
             "preLaunchTask": "Build (Release)",

Templates/Rulesets/ruleset-scrolling-example/osu.Game.Rulesets.Pippidon.Tests/VisualTestRunner.cs

@@ -13,7 +13,7 @@ namespace osu.Game.Rulesets.Pippidon.Tests
         [STAThread]
         public static int Main(string[] args)
         {
-            using (DesktopGameHost host = Host.GetSuitableDesktopHost(@"osu", new HostOptions { BindIPC = true }))
+            using (DesktopGameHost host = Host.GetSuitableDesktopHost(@"osu"))
             {
                 host.Run(new OsuTestBrowser());
                 return 0;

Templates/Rulesets/ruleset-scrolling-example/osu.Game.Rulesets.Pippidon.Tests/osu.Game.Rulesets.Pippidon.Tests.csproj

@@ -9,16 +9,16 @@
     <GenerateProgramFile>false</GenerateProgramFile>
   </PropertyGroup>
   <ItemGroup Label="Package References">
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.4.1" />
-    <PackageReference Include="NUnit" Version="3.13.3" />
-    <PackageReference Include="NUnit3TestAdapter" Version="4.3.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
+    <PackageReference Include="NUnit" Version="3.14.0" />
+    <PackageReference Include="NUnit3TestAdapter" Version="4.5.0" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\osu.Game.Rulesets.Pippidon\osu.Game.Rulesets.Pippidon.csproj" />
   </ItemGroup>
   <PropertyGroup Label="Project">
     <OutputType>WinExe</OutputType>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <RootNamespace>osu.Game.Rulesets.Pippidon.Tests</RootNamespace>
   </PropertyGroup>
 </Project>

Templates/Rulesets/ruleset-scrolling-example/osu.Game.Rulesets.Pippidon/Objects/Drawables/DrawablePippidonHitObject.cs

@@ -10,7 +10,6 @@ using osu.Framework.Graphics.Textures;
 using osu.Game.Audio;
 using osu.Game.Rulesets.Objects.Drawables;
 using osu.Game.Rulesets.Pippidon.UI;
-using osu.Game.Rulesets.Scoring;
 using osuTK;
 using osuTK.Graphics;
 
@@ -49,7 +48,12 @@ namespace osu.Game.Rulesets.Pippidon.Objects.Drawables
         protected override void CheckForResult(bool userTriggered, double timeOffset)
         {
             if (timeOffset >= 0)
-                ApplyResult(r => r.Type = currentLane.Value == HitObject.Lane ? HitResult.Perfect : HitResult.Miss);
+            {
+                if (currentLane.Value == HitObject.Lane)
+                    ApplyMaxResult();
+                else
+                    ApplyMinResult();
+            }
         }
 
         protected override void UpdateHitStateTransforms(ArmedState state)

Templates/Rulesets/ruleset-scrolling-example/osu.Game.Rulesets.Pippidon/osu.Game.Rulesets.Pippidon.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup Label="Project">
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <AssemblyTitle>osu.Game.Rulesets.Pippidon</AssemblyTitle>
     <OutputType>Library</OutputType>
     <PlatformTarget>AnyCPU</PlatformTarget>

Templates/osu.Game.Templates.csproj

@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <PackageType>Template</PackageType>
     <PackageId>ppy.osu.Game.Templates</PackageId>
@@ -8,7 +8,7 @@
     <PackageProjectUrl>https://github.com/ppy/osu/blob/master/Templates</PackageProjectUrl>
     <RepositoryUrl>https://github.com/ppy/osu</RepositoryUrl>
     <PackageReleaseNotes>Automated release.</PackageReleaseNotes>
-    <copyright>Copyright (c) 2022 ppy Pty Ltd</copyright>
+    <copyright>Copyright (c) 2024 ppy Pty Ltd</copyright>
     <Description>Templates to use when creating a ruleset for consumption in osu!.</Description>
     <PackageTags>dotnet-new;templates;osu</PackageTags>
     <TargetFramework>netstandard2.1</TargetFramework>

global.json

@@ -1,7 +1,7 @@
 {
   "sdk": {
-    "version": "6.0.100",
-    "rollForward": "latestFeature"
+    "version": "8.0.100",
+    "rollForward": "latestFeature",
+    "allowPrerelease": false
   }
-}
-
+}

osu.Android.props

@@ -10,7 +10,7 @@
     <EmbedAssembliesIntoApk>true</EmbedAssembliesIntoApk>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="ppy.osu.Framework.Android" Version="2023.815.0" />
+    <PackageReference Include="ppy.osu.Framework.Android" Version="2024.1118.0" />
   </ItemGroup>
   <PropertyGroup>
     <!-- Fody does not handle Android build well, and warns when unchanged.

osu.Android/AndroidJoystickSettings.cs

@@ -1,76 +0,0 @@
-// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
-// See the LICENCE file in the repository root for full licence text.
-
-using osu.Framework.Allocation;
-using osu.Framework.Android.Input;
-using osu.Framework.Bindables;
-using osu.Framework.Graphics;
-using osu.Framework.Localisation;
-using osu.Game.Localisation;
-using osu.Game.Overlays.Settings;
-
-namespace osu.Android
-{
-    public partial class AndroidJoystickSettings : SettingsSubsection
-    {
-        protected override LocalisableString Header => JoystickSettingsStrings.JoystickGamepad;
-
-        private readonly AndroidJoystickHandler joystickHandler;
-
-        private readonly Bindable<bool> enabled = new BindableBool(true);
-
-        private SettingsSlider<float> deadzoneSlider = null!;
-
-        private Bindable<float> handlerDeadzone = null!;
-
-        private Bindable<float> localDeadzone = null!;
-
-        public AndroidJoystickSettings(AndroidJoystickHandler joystickHandler)
-        {
-            this.joystickHandler = joystickHandler;
-        }
-
-        [BackgroundDependencyLoader]
-        private void load()
-        {
-            // use local bindable to avoid changing enabled state of game host's bindable.
-            handlerDeadzone = joystickHandler.DeadzoneThreshold.GetBoundCopy();
-            localDeadzone = handlerDeadzone.GetUnboundCopy();
-
-            Children = new Drawable[]
-            {
-                new SettingsCheckbox
-                {
-                    LabelText = CommonStrings.Enabled,
-                    Current = enabled
-                },
-                deadzoneSlider = new SettingsSlider<float>
-                {
-                    LabelText = JoystickSettingsStrings.DeadzoneThreshold,
-                    KeyboardStep = 0.01f,
-                    DisplayAsPercentage = true,
-                    Current = localDeadzone,
-                },
-            };
-        }
-
-        protected override void LoadComplete()
-        {
-            base.LoadComplete();
-
-            enabled.BindTo(joystickHandler.Enabled);
-            enabled.BindValueChanged(e => deadzoneSlider.Current.Disabled = !e.NewValue, true);
-
-            handlerDeadzone.BindValueChanged(val =>
-            {
-                bool disabled = localDeadzone.Disabled;
-
-                localDeadzone.Disabled = false;
-                localDeadzone.Value = val.NewValue;
-                localDeadzone.Disabled = disabled;
-            }, true);
-
-            localDeadzone.BindValueChanged(val => handlerDeadzone.Value = val.NewValue);
-        }
-    }
-}

osu.Android/AndroidManifest.xml

@@ -1,5 +1,20 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="sh.ppy.osulazer" android:installLocation="auto">
-	<uses-sdk android:minSdkVersion="21" android:targetSdkVersion="31" />
-	<application android:allowBackup="true" android:supportsRtl="true" android:label="osu!" android:icon="@drawable/lazer" />
-</manifest>
+	<uses-sdk android:minSdkVersion="21" android:targetSdkVersion="34" />
+	<application android:allowBackup="true"
+				 android:supportsRtl="true"
+				 android:label="osu!"
+				 android:icon="@mipmap/ic_launcher"
+				 android:roundIcon="@mipmap/ic_launcher" />
+	<!-- for editor usage -->
+	<uses-permission android:name="android.permission.READ_MEDIA_IMAGES" />
+	<uses-permission android:name="android.permission.READ_MEDIA_AUDIO" />
+	<!--
+		READ_MEDIA_* permissions are available only on API 33 or greater. Devices with older android versions
+		don't understand the new permissions, so request the old READ_EXTERNAL_STORAGE permission to get storage access.
+		Since the old permission has no effect on >= API 33, don't request it.
+
+		Care needs to be taken to ensure runtime permission checks target the correct permission for the API level.
+	-->
+	<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" android:maxSdkVersion="32"/>
+</manifest>

osu.Android/AndroidMouseSettings.cs

@@ -1,97 +0,0 @@
-// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
-// See the LICENCE file in the repository root for full licence text.
-
-using Android.OS;
-using osu.Framework.Allocation;
-using osu.Framework.Android.Input;
-using osu.Framework.Bindables;
-using osu.Framework.Graphics;
-using osu.Framework.Localisation;
-using osu.Game.Configuration;
-using osu.Game.Localisation;
-using osu.Game.Overlays.Settings;
-using osu.Game.Overlays.Settings.Sections.Input;
-
-namespace osu.Android
-{
-    public partial class AndroidMouseSettings : SettingsSubsection
-    {
-        private readonly AndroidMouseHandler mouseHandler;
-
-        protected override LocalisableString Header => MouseSettingsStrings.Mouse;
-
-        private Bindable<double> handlerSensitivity = null!;
-
-        private Bindable<double> localSensitivity = null!;
-
-        private Bindable<bool> relativeMode = null!;
-
-        public AndroidMouseSettings(AndroidMouseHandler mouseHandler)
-        {
-            this.mouseHandler = mouseHandler;
-        }
-
-        [BackgroundDependencyLoader]
-        private void load(OsuConfigManager osuConfig)
-        {
-            // use local bindable to avoid changing enabled state of game host's bindable.
-            handlerSensitivity = mouseHandler.Sensitivity.GetBoundCopy();
-            localSensitivity = handlerSensitivity.GetUnboundCopy();
-
-            relativeMode = mouseHandler.UseRelativeMode.GetBoundCopy();
-
-            // High precision/pointer capture is only available on Android 8.0 and up
-            if (Build.VERSION.SdkInt >= BuildVersionCodes.O)
-            {
-                AddRange(new Drawable[]
-                {
-                    new SettingsCheckbox
-                    {
-                        LabelText = MouseSettingsStrings.HighPrecisionMouse,
-                        TooltipText = MouseSettingsStrings.HighPrecisionMouseTooltip,
-                        Current = relativeMode,
-                        Keywords = new[] { @"raw", @"input", @"relative", @"cursor", @"captured", @"pointer" },
-                    },
-                    new MouseSettings.SensitivitySetting
-                    {
-                        LabelText = MouseSettingsStrings.CursorSensitivity,
-                        Current = localSensitivity,
-                    },
-                });
-            }
-
-            AddRange(new Drawable[]
-            {
-                new SettingsCheckbox
-                {
-                    LabelText = MouseSettingsStrings.DisableMouseWheelVolumeAdjust,
-                    TooltipText = MouseSettingsStrings.DisableMouseWheelVolumeAdjustTooltip,
-                    Current = osuConfig.GetBindable<bool>(OsuSetting.MouseDisableWheel),
-                },
-                new SettingsCheckbox
-                {
-                    LabelText = MouseSettingsStrings.DisableMouseButtons,
-                    Current = osuConfig.GetBindable<bool>(OsuSetting.MouseDisableButtons),
-                },
-            });
-        }
-
-        protected override void LoadComplete()
-        {
-            base.LoadComplete();
-
-            relativeMode.BindValueChanged(relative => localSensitivity.Disabled = !relative.NewValue, true);
-
-            handlerSensitivity.BindValueChanged(val =>
-            {
-                bool disabled = localSensitivity.Disabled;
-
-                localSensitivity.Disabled = false;
-                localSensitivity.Value = val.NewValue;
-                localSensitivity.Disabled = disabled;
-            }, true);
-
-            localSensitivity.BindValueChanged(val => handlerSensitivity.Value = val.NewValue);
-        }
-    }
-}

osu.Android/GameplayScreenRotationLocker.cs

@@ -5,29 +5,29 @@ using Android.Content.PM;
 using osu.Framework.Allocation;
 using osu.Framework.Bindables;
 using osu.Framework.Graphics;
-using osu.Game;
+using osu.Game.Screens.Play;
 
 namespace osu.Android
 {
     public partial class GameplayScreenRotationLocker : Component
     {
-        private Bindable<bool> localUserPlaying = null!;
+        private IBindable<LocalUserPlayingState> localUserPlaying = null!;
 
         [Resolved]
         private OsuGameActivity gameActivity { get; set; } = null!;
 
         [BackgroundDependencyLoader]
-        private void load(OsuGame game)
+        private void load(ILocalUserPlayInfo localUserPlayInfo)
         {
-            localUserPlaying = game.LocalUserPlaying.GetBoundCopy();
+            localUserPlaying = localUserPlayInfo.PlayingState.GetBoundCopy();
             localUserPlaying.BindValueChanged(updateLock, true);
         }
 
-        private void updateLock(ValueChangedEvent<bool> userPlaying)
+        private void updateLock(ValueChangedEvent<LocalUserPlayingState> userPlaying)
         {
             gameActivity.RunOnUiThread(() =>
             {
-                gameActivity.RequestedOrientation = userPlaying.NewValue ? ScreenOrientation.Locked : gameActivity.DefaultOrientation;
+                gameActivity.RequestedOrientation = userPlaying.NewValue == LocalUserPlayingState.Playing ? ScreenOrientation.Locked : gameActivity.DefaultOrientation;
             });
         }
     }

osu.Android/OsuGameActivity.cs

@@ -72,9 +72,9 @@ namespace osu.Android
             Debug.Assert(Resources?.DisplayMetrics != null);
 
             Point displaySize = new Point();
-#pragma warning disable 618 // GetSize is deprecated
+#pragma warning disable CA1422 // GetSize is deprecated
             WindowManager.DefaultDisplay.GetSize(displaySize);
-#pragma warning restore 618
+#pragma warning restore CA1422
             float smallestWidthDp = Math.Min(displaySize.X, displaySize.Y) / Resources.DisplayMetrics.Density;
             bool isTablet = smallestWidthDp >= 600f;
 

osu.Android/OsuGameAndroid.cs

@@ -5,12 +5,9 @@ using System;
 using Android.App;
 using Microsoft.Maui.Devices;
 using osu.Framework.Allocation;
-using osu.Framework.Android.Input;
 using osu.Framework.Extensions.ObjectExtensions;
-using osu.Framework.Input.Handlers;
 using osu.Framework.Platform;
 using osu.Game;
-using osu.Game.Overlays.Settings;
 using osu.Game.Updater;
 using osu.Game.Utils;
 
@@ -83,25 +80,10 @@ namespace osu.Android
             host.Window.CursorState |= CursorState.Hidden;
         }
 
-        protected override UpdateManager CreateUpdateManager() => new SimpleUpdateManager();
+        protected override UpdateManager CreateUpdateManager() => new MobileUpdateNotifier();
 
         protected override BatteryInfo CreateBatteryInfo() => new AndroidBatteryInfo();
 
-        public override SettingsSubsection CreateSettingsSubsectionFor(InputHandler handler)
-        {
-            switch (handler)
-            {
-                case AndroidMouseHandler mh:
-                    return new AndroidMouseSettings(mh);
-
-                case AndroidJoystickHandler jh:
-                    return new AndroidJoystickSettings(jh);
-
-                default:
-                    return base.CreateSettingsSubsectionFor(handler);
-            }
-        }
-
         private class AndroidBatteryInfo : BatteryInfo
         {
             public override double? ChargeLevel => Battery.ChargeLevel;

osu.Android/Resources/drawable/ic_launcher_background.xml

@@ -0,0 +1,618 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+  <group android:scaleX="0.67"
+      android:scaleY="0.67"
+      android:translateX="17.82"
+      android:translateY="17.82">
+    <group>
+      <clip-path
+          android:pathData="M0,0h108v108h-108z"/>
+      <path
+          android:pathData="M109.48,-1.48H-1.48V109.48H109.48V-1.48Z"
+          android:fillColor="#404041"/>
+      <group>
+        <clip-path
+            android:pathData="M0,-0.31H108V107.69H0V-0.31Z"/>
+        <group>
+          <clip-path
+              android:pathData="M215.01,-78.1H-78.39V215.3H215.01V-78.1Z"/>
+          <group>
+            <clip-path
+                android:pathData="M149.56,96.97H96.68V149.85H149.56V96.97Z"/>
+            <group>
+              <clip-path
+                  android:pathData="M149.56,96.97H96.68V149.85H149.56V96.97Z"/>
+              <path
+                  android:pathData="M100.57,98.05C100.34,98.05 100.15,98.24 100.15,98.47V102.61C100.15,102.84 100.34,103.03 100.57,103.03C100.79,103.03 100.98,102.84 100.98,102.61V98.47C100.98,98.24 100.79,98.05 100.57,98.05Z"
+                  android:strokeAlpha="0.2"
+                  android:fillColor="#000000"
+                  android:fillAlpha="0.2"/>
+              <path
+                  android:pathData="M101.86,99.22C101.63,99.22 101.44,99.41 101.44,99.63V101.45C101.44,101.67 101.63,101.86 101.86,101.86C102.08,101.86 102.27,101.67 102.27,101.45V99.63C102.27,99.41 102.08,99.22 101.86,99.22Z"
+                  android:strokeAlpha="0.2"
+                  android:fillColor="#000000"
+                  android:fillAlpha="0.2"/>
+              <path
+                  android:pathData="M104.44,100.54C104.44,101.06 104.33,101.57 104.13,102.05C103.94,102.51 103.65,102.92 103.3,103.28C102.95,103.63 102.53,103.91 102.07,104.11C101.59,104.31 101.09,104.41 100.57,104.41C100.04,104.41 99.54,104.31 99.06,104.11C98.6,103.91 98.19,103.63 97.83,103.28C97.48,102.92 97.2,102.51 97,102.05C96.8,101.57 96.7,101.06 96.7,100.54C96.7,100.02 96.8,99.51 97,99.04C97.2,98.58 97.48,98.16 97.83,97.81C98.19,97.45 98.6,97.18 99.06,96.98C99.54,96.78 100.04,96.67 100.57,96.67C101.09,96.67 101.59,96.77 102.07,96.98C102.53,97.17 102.95,97.45 103.3,97.81C103.65,98.16 103.93,98.58 104.13,99.04C104.33,99.51 104.44,100.02 104.44,100.54ZM103.78,100.54C103.78,98.77 102.34,97.33 100.57,97.33C98.8,97.33 97.36,98.77 97.36,100.54C97.36,102.31 98.8,103.75 100.57,103.75C102.34,103.75 103.78,102.31 103.78,100.54Z"
+                  android:strokeAlpha="0.2"
+                  android:fillColor="#000000"
+                  android:fillAlpha="0.2"/>
+              <path
+                  android:pathData="M99.28,101.86C99.51,101.86 99.69,101.67 99.69,101.45V99.64C99.69,99.41 99.51,99.23 99.28,99.23C99.05,99.23 98.87,99.41 98.87,99.64V101.45C98.87,101.68 99.05,101.86 99.28,101.86Z"
+                  android:strokeAlpha="0.2"
+                  android:fillColor="#000000"
+                  android:fillAlpha="0.2"/>
+            </group>
+          </group>
+          <group>
+            <clip-path
+                android:pathData="M149.56,44.09H96.68V96.97H149.56V44.09Z"/>
+            <group>
+              <clip-path
+                  android:pathData="M149.56,44.09H96.68V96.97H149.56V44.09Z"/>
+              <path
+                  android:pathData="M104.44,100.54C104.44,101.06 104.33,101.57 104.13,102.05C103.94,102.51 103.65,102.92 103.3,103.28C102.95,103.63 102.53,103.91 102.07,104.11C101.59,104.31 101.09,104.41 100.57,104.41C100.04,104.41 99.54,104.31 99.06,104.11C98.6,103.91 98.19,103.63 97.83,103.28C97.48,102.92 97.2,102.51 97,102.05C96.8,101.57 96.7,101.06 96.7,100.54C96.7,100.02 96.8,99.51 97,99.04C97.2,98.58 97.48,98.16 97.83,97.81C98.19,97.45 98.6,97.18 99.06,96.98C99.54,96.78 100.04,96.67 100.57,96.67C101.09,96.67 101.59,96.77 102.07,96.98C102.53,97.17 102.95,97.45 103.3,97.81C103.65,98.16 103.93,98.58 104.13,99.04C104.33,99.51 104.44,100.02 104.44,100.54ZM103.78,100.54C103.78,98.77 102.34,97.33 100.57,97.33C98.8,97.33 97.36,98.77 97.36,100.54C97.36,102.31 98.8,103.75 100.57,103.75C102.34,103.75 103.78,102.31 103.78,100.54Z"
+                  android:strokeAlpha="0.2"
+                  android:fillColor="#000000"
+                  android:fillAlpha="0.2"/>
+              <path
+                  android:pathData="M100.57,70.97C100.34,70.97 100.15,71.16 100.15,71.38V75.53C100.15,75.76 100.34,75.94 100.57,75.94C100.79,75.94 100.98,75.76 100.98,75.53V71.38C100.98,71.15 100.79,70.97 100.57,70.97Z"
+                  android:strokeAlpha="0.2"
+                  android:fillColor="#000000"
+                  android:fillAlpha="0.2"/>
+              <path
+                  android:pathData="M101.86,72.14C101.63,72.14 101.44,72.33 101.44,72.55V74.36C101.44,74.59 101.63,74.77 101.86,74.77C102.08,74.77 102.27,74.59 102.27,74.36V72.55C102.27,72.32 102.08,72.14 101.86,72.14Z"
+                  android:strokeAlpha="0.2"
+                  android:fillColor="#000000"
+                  android:fillAlpha="0.2"/>
+              <path
+                  android:pathData="M99.28,74.78C99.51,74.78 99.69,74.59 99.69,74.37V72.55C99.69,72.33 99.51,72.14 99.28,72.14C99.05,72.14 98.87,72.33 98.87,72.55V74.37C98.87,74.59 99.05,74.78 99.28,74.78Z"
+                  android:strokeAlpha="0.2"
+                  android:fillColor="#000000"
+                  android:fillAlpha="0.2"/>
+              <path
+                  android:pathData="M100.57,45.18C100.34,45.18 100.15,45.37 100.15,45.59V49.74C100.15,49.97 100.34,50.15 100.57,50.15C100.79,50.15 100.98,49.97 100.98,49.74V45.59C100.98,45.36 100.79,45.18 100.57,45.18Z"
+                  android:strokeAlpha="0.2"
+                  android:fillColor="#000000"
+                  android:fillAlpha="0.2"/>
+              <path
+                  android:pathData="M101.86,46.35C101.63,46.35 101.44,46.53 101.44,46.76V48.57C101.44,48.8 101.63,48.98 101.86,48.98C102.08,48.98 102.27,48.79 102.27,48.57V46.76C102.27,46.53 102.08,46.35 101.86,46.35Z"
+                  android:strokeAlpha="0.2"
+                  android:fillColor="#000000"
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+          </group>
+        </group>
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+  </group>
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osu.Android/Resources/drawable/monochrome.xml

@@ -0,0 +1,8 @@
+<vector android:height="108dp" android:viewportHeight="434"
+    android:viewportWidth="434" android:width="108dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="#000000" android:pathData="M299.36,178.05C303.08,178.05 305.62,180.81 305.62,184.62V219.92C305.62,223.74 303.08,226.5 299.36,226.5C295.55,226.5 293.11,223.74 293.11,219.92V184.62C293.11,180.81 295.55,178.05 299.36,178.05ZM299.36,248.97C294.81,248.97 291.2,245.37 291.2,240.81C291.2,236.35 294.81,232.75 299.36,232.75C303.92,232.75 307.53,236.35 307.53,240.81C307.53,245.37 303.92,248.97 299.36,248.97Z"/>
+    <path android:fillColor="#000000" android:pathData="M276.52,195.12C280.34,195.12 282.77,197.87 282.77,201.58V225.01C282.77,242.29 272.12,248.97 259.19,248.97C246.15,248.97 235.49,242.29 235.49,225.01V201.58C235.49,197.87 237.93,195.12 241.75,195.12C245.46,195.12 248,197.87 248,201.58V224.16C248,233.6 251.98,237.31 259.19,237.31C266.29,237.31 270.27,233.6 270.27,224.16V201.58C270.27,197.87 272.81,195.12 276.52,195.12Z"/>
+    <path android:fillColor="#000000" android:pathData="M200.02,209.43C200.02,212.93 203.63,214.2 210.52,215.79C220.06,218.12 229.18,220.56 229.18,232.33C229.18,243.78 220.7,248.97 208.51,248.97C198.43,248.97 191.12,245.47 187.73,241.44C185.08,238.26 185.4,235.51 187.94,233.07C191.12,229.99 193.88,231.27 195.68,232.86C198.54,235.51 202.04,238.26 208.82,238.26C213.91,238.26 217.09,236.57 217.09,233.18C217.09,229.78 213.7,228.62 204.8,226.18C196,223.74 188.15,221.41 188.15,210.91C188.15,199.15 197.69,194.27 208.29,194.27C214.34,194.27 221.23,195.86 225.47,200.42C227.27,202.22 228.65,204.76 225.47,208.26C222.29,211.55 219.96,210.6 217.73,208.9C215.71,207.41 212.22,204.87 206.92,204.87C203.31,204.87 200.02,206.04 200.02,209.43Z"/>
+    <path android:fillColor="#000000" android:pathData="M153.74,248.97C138.46,248.97 127.5,237.27 127.5,221.53C127.5,205.68 138.46,194.09 153.74,194.09C169.03,194.09 179.99,205.68 179.99,221.53C179.99,237.27 169.03,248.97 153.74,248.97ZM153.74,237.27C162.59,237.27 168.12,230.46 168.12,221.53C168.12,212.6 162.59,205.68 153.74,205.68C144.89,205.68 139.36,212.6 139.36,221.53C139.36,230.46 144.89,237.27 153.74,237.27Z"/>
+    <path android:fillColor="#000000" android:pathData="M349,217.5C349,290.13 290.13,349 217.5,349C144.88,349 86,290.13 86,217.5C86,144.88 144.88,86 217.5,86C290.13,86 349,144.88 349,217.5ZM99.15,217.5C99.15,282.86 152.14,335.85 217.5,335.85C282.86,335.85 335.85,282.86 335.85,217.5C335.85,152.14 282.86,99.15 217.5,99.15C152.14,99.15 99.15,152.14 99.15,217.5Z"/>
+</vector>

osu.Android/Resources/mipmap-anydpi-v26/ic_launcher.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background"/>
+    <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
+    <monochrome android:drawable="@drawable/monochrome"/>
+</adaptive-icon>

osu.Android/osu.Android.csproj

@@ -1,13 +1,10 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <Import Project="..\osu.Android.props" />
   <PropertyGroup>
-    <TargetFramework>net6.0-android</TargetFramework>
+    <TargetFramework>net8.0-android</TargetFramework>
     <OutputType>Exe</OutputType>
     <RootNamespace>osu.Android</RootNamespace>
     <AssemblyName>osu.Android</AssemblyName>
-    <UseMauiEssentials>true</UseMauiEssentials>
-    <!-- This currently causes random lockups during gameplay. https://github.com/mono/mono/issues/18973 -->
-    <EnableLLVM>false</EnableLLVM>
     <Version>0.0.0</Version>
     <ApplicationVersion Condition=" '$(ApplicationVersion)' == '' ">1</ApplicationVersion>
     <ApplicationDisplayVersion Condition=" '$(ApplicationDisplayVersion)' == '' ">$(Version)</ApplicationDisplayVersion>
@@ -19,4 +16,7 @@
     <ProjectReference Include="..\osu.Game.Rulesets.Taiko\osu.Game.Rulesets.Taiko.csproj" />
     <ProjectReference Include="..\osu.Game\osu.Game.csproj" />
   </ItemGroup>
+  <ItemGroup>
+    <PackageReference Include="Microsoft.Maui.Essentials" Version="8.0.3" />
+  </ItemGroup>
 </Project>

osu.Desktop.slnf

@@ -16,15 +16,14 @@
       "osu.Game.Tournament.Tests\\osu.Game.Tournament.Tests.csproj",
       "osu.Game.Tournament\\osu.Game.Tournament.csproj",
       "osu.Game\\osu.Game.csproj",
-
-      "Templates\\Rulesets\\ruleset-empty\\osu.Game.Rulesets.EmptyFreeform\\osu.Game.Rulesets.EmptyFreeform.csproj",
       "Templates\\Rulesets\\ruleset-empty\\osu.Game.Rulesets.EmptyFreeform.Tests\\osu.Game.Rulesets.EmptyFreeform.Tests.csproj",
-      "Templates\\Rulesets\\ruleset-example\\osu.Game.Rulesets.Pippidon\\osu.Game.Rulesets.Pippidon.csproj",
+      "Templates\\Rulesets\\ruleset-empty\\osu.Game.Rulesets.EmptyFreeform\\osu.Game.Rulesets.EmptyFreeform.csproj",
       "Templates\\Rulesets\\ruleset-example\\osu.Game.Rulesets.Pippidon.Tests\\osu.Game.Rulesets.Pippidon.Tests.csproj",
-      "Templates\\Rulesets\\ruleset-scrolling-empty\\osu.Game.Rulesets.EmptyScrolling\\osu.Game.Rulesets.EmptyScrolling.csproj",
+      "Templates\\Rulesets\\ruleset-example\\osu.Game.Rulesets.Pippidon\\osu.Game.Rulesets.Pippidon.csproj",
       "Templates\\Rulesets\\ruleset-scrolling-empty\\osu.Game.Rulesets.EmptyScrolling.Tests\\osu.Game.Rulesets.EmptyScrolling.Tests.csproj",
-      "Templates\\Rulesets\\ruleset-scrolling-example\\osu.Game.Rulesets.Pippidon\\osu.Game.Rulesets.Pippidon.csproj",
-      "Templates\\Rulesets\\ruleset-scrolling-example\\osu.Game.Rulesets.Pippidon.Tests\\osu.Game.Rulesets.Pippidon.Tests.csproj"
+      "Templates\\Rulesets\\ruleset-scrolling-empty\\osu.Game.Rulesets.EmptyScrolling\\osu.Game.Rulesets.EmptyScrolling.csproj",
+      "Templates\\Rulesets\\ruleset-scrolling-example\\osu.Game.Rulesets.Pippidon.Tests\\osu.Game.Rulesets.Pippidon.Tests.csproj",
+      "Templates\\Rulesets\\ruleset-scrolling-example\\osu.Game.Rulesets.Pippidon\\osu.Game.Rulesets.Pippidon.csproj"
     ]
   }
-}
+}

osu.Desktop/DiscordRichPresence.cs

@@ -5,15 +5,21 @@ using System;
 using System.Text;
 using DiscordRPC;
 using DiscordRPC.Message;
+using Newtonsoft.Json;
 using osu.Framework.Allocation;
 using osu.Framework.Bindables;
+using osu.Framework.Extensions.ObjectExtensions;
 using osu.Framework.Graphics;
 using osu.Framework.Logging;
-using osu.Game.Beatmaps;
+using osu.Framework.Threading;
+using osu.Game;
 using osu.Game.Configuration;
 using osu.Game.Extensions;
 using osu.Game.Online.API;
 using osu.Game.Online.API.Requests.Responses;
+using osu.Game.Online.Multiplayer;
+using osu.Game.Online.Rooms;
+using osu.Game.Overlays;
 using osu.Game.Rulesets;
 using osu.Game.Users;
 using LogLevel = osu.Framework.Logging.LogLevel;
@@ -22,39 +28,78 @@ namespace osu.Desktop
 {
     internal partial class DiscordRichPresence : Component
     {
-        private const string client_id = "367827983903490050";
+        private const string client_id = "1216669957799018608";
 
         private DiscordRpcClient client = null!;
 
         [Resolved]
         private IBindable<RulesetInfo> ruleset { get; set; } = null!;
 
-        private IBindable<APIUser> user = null!;
-
         [Resolved]
         private IAPIProvider api { get; set; } = null!;
 
-        private readonly IBindable<UserStatus> status = new Bindable<UserStatus>();
-        private readonly IBindable<UserActivity> activity = new Bindable<UserActivity>();
+        [Resolved]
+        private OsuGame game { get; set; } = null!;
 
+        [Resolved]
+        private LoginOverlay? login { get; set; }
+
+        [Resolved]
+        private MultiplayerClient multiplayerClient { get; set; } = null!;
+
+        [Resolved]
+        private OsuConfigManager config { get; set; } = null!;
+
+        private readonly IBindable<UserStatus?> status = new Bindable<UserStatus?>();
+        private readonly IBindable<UserActivity> activity = new Bindable<UserActivity>();
         private readonly Bindable<DiscordRichPresenceMode> privacyMode = new Bindable<DiscordRichPresenceMode>();
 
         private readonly RichPresence presence = new RichPresence
         {
-            Assets = new Assets { LargeImageKey = "osu_logo_lazer", }
+            Assets = new Assets { LargeImageKey = "osu_logo_lazer" },
+            Secrets = new Secrets
+            {
+                JoinSecret = null,
+                SpectateSecret = null,
+            },
         };
 
+        private IBindable<APIUser>? user;
+
         [BackgroundDependencyLoader]
-        private void load(OsuConfigManager config)
+        private void load()
         {
             client = new DiscordRpcClient(client_id)
             {
-                SkipIdenticalPresence = false // handles better on discord IPC loss, see updateStatus call in onReady.
+                // SkipIdenticalPresence allows us to fire SetPresence at any point and leave it to the underlying implementation
+                // to check whether a difference has actually occurred before sending a command to Discord (with a minor caveat that's handled in onReady).
+                SkipIdenticalPresence = true
             };
 
             client.OnReady += onReady;
+            client.OnError += (_, e) => Logger.Log($"An error occurred with Discord RPC Client: {e.Message} ({e.Code})", LoggingTarget.Network, LogLevel.Error);
 
-            client.OnError += (_, e) => Logger.Log($"An error occurred with Discord RPC Client: {e.Code} {e.Message}", LoggingTarget.Network);
+            try
+            {
+                client.RegisterUriScheme();
+                client.Subscribe(EventType.Join);
+                client.OnJoin += onJoin;
+            }
+            catch (Exception ex)
+            {
+                // This is known to fail in at least the following sandboxed environments:
+                // - macOS (when packaged as an app bundle)
+                // - flatpak (see: https://github.com/flathub/sh.ppy.osu/issues/170)
+                // There is currently no better way to do this offered by Discord, so the best we can do is simply ignore it for now.
+                Logger.Log($"Failed to register Discord URI scheme: {ex}");
+            }
+
+            client.Initialize();
+        }
+
+        protected override void LoadComplete()
+        {
+            base.LoadComplete();
 
             config.BindWith(OsuSetting.DiscordRichPresence, privacyMode);
 
@@ -68,44 +113,68 @@ namespace osu.Desktop
                 activity.BindTo(u.NewValue.Activity);
             }, true);
 
-            ruleset.BindValueChanged(_ => updateStatus());
-            status.BindValueChanged(_ => updateStatus());
-            activity.BindValueChanged(_ => updateStatus());
-            privacyMode.BindValueChanged(_ => updateStatus());
-
-            client.Initialize();
+            ruleset.BindValueChanged(_ => schedulePresenceUpdate());
+            status.BindValueChanged(_ => schedulePresenceUpdate());
+            activity.BindValueChanged(_ => schedulePresenceUpdate());
+            privacyMode.BindValueChanged(_ => schedulePresenceUpdate());
+            multiplayerClient.RoomUpdated += onRoomUpdated;
         }
 
         private void onReady(object _, ReadyMessage __)
         {
             Logger.Log("Discord RPC Client ready.", LoggingTarget.Network, LogLevel.Debug);
-            updateStatus();
+
+            // when RPC is lost and reconnected, we have to clear presence state for updatePresence to work (see DiscordRpcClient.SkipIdenticalPresence).
+            if (client.CurrentPresence != null)
+                client.SetPresence(null);
+
+            schedulePresenceUpdate();
         }
 
-        private void updateStatus()
+        private void onRoomUpdated() => schedulePresenceUpdate();
+
+        private ScheduledDelegate? presenceUpdateDelegate;
+
+        private void schedulePresenceUpdate()
         {
-            if (!client.IsInitialized)
+            presenceUpdateDelegate?.Cancel();
+            presenceUpdateDelegate = Scheduler.AddDelayed(() =>
+            {
+                if (!client.IsInitialized)
+                    return;
+
+                if (status.Value == UserStatus.Offline || privacyMode.Value == DiscordRichPresenceMode.Off)
+                {
+                    client.ClearPresence();
+                    return;
+                }
+
+                bool hideIdentifiableInformation = privacyMode.Value == DiscordRichPresenceMode.Limited || status.Value == UserStatus.DoNotDisturb;
+
+                updatePresence(hideIdentifiableInformation);
+                client.SetPresence(presence);
+            }, 200);
+        }
+
+        private void updatePresence(bool hideIdentifiableInformation)
+        {
+            if (user == null)
                 return;
 
-            if (status.Value is UserStatusOffline || privacyMode.Value == DiscordRichPresenceMode.Off)
+            // user activity
+            if (activity.Value != null)
             {
-                client.ClearPresence();
-                return;
-            }
+                presence.State = clampLength(activity.Value.GetStatus(hideIdentifiableInformation));
+                presence.Details = clampLength(activity.Value.GetDetails(hideIdentifiableInformation) ?? string.Empty);
 
-            if (status.Value is UserStatusOnline && activity.Value != null)
-            {
-                presence.State = truncate(activity.Value.GetStatus(privacyMode.Value == DiscordRichPresenceMode.Limited));
-                presence.Details = truncate(getDetails(activity.Value));
-
-                if (getBeatmap(activity.Value) is IBeatmapInfo beatmap && beatmap.OnlineID > 0)
+                if (getBeatmapID(activity.Value) is int beatmapId && beatmapId > 0)
                 {
                     presence.Buttons = new[]
                     {
                         new Button
                         {
                             Label = "View beatmap",
-                            Url = $@"{api.WebsiteRootUrl}/beatmapsets/{beatmap.BeatmapSet?.OnlineID}#{ruleset.Value.ShortName}/{beatmap.OnlineID}"
+                            Url = $@"{api.WebsiteRootUrl}/beatmaps/{beatmapId}?mode={ruleset.Value.ShortName}"
                         }
                     };
                 }
@@ -120,7 +189,42 @@ namespace osu.Desktop
                 presence.Details = string.Empty;
             }
 
-            // update user information
+            // user party
+            if (!hideIdentifiableInformation && multiplayerClient.Room != null)
+            {
+                MultiplayerRoom room = multiplayerClient.Room;
+
+                presence.Party = new Party
+                {
+                    Privacy = string.IsNullOrEmpty(room.Settings.Password) ? Party.PrivacySetting.Public : Party.PrivacySetting.Private,
+                    ID = room.RoomID.ToString(),
+                    // technically lobbies can have infinite users, but Discord needs this to be set to something.
+                    // to make party display sensible, assign a powers of two above participants count (8 at minimum).
+                    Max = (int)Math.Max(8, Math.Pow(2, Math.Ceiling(Math.Log2(room.Users.Count)))),
+                    Size = room.Users.Count,
+                };
+
+                RoomSecret roomSecret = new RoomSecret
+                {
+                    RoomID = room.RoomID,
+                    Password = room.Settings.Password,
+                };
+
+                if (client.HasRegisteredUriScheme)
+                    presence.Secrets.JoinSecret = JsonConvert.SerializeObject(roomSecret);
+
+                // discord cannot handle both secrets and buttons at the same time, so we need to choose something.
+                // the multiplayer room seems more important.
+                presence.Buttons = null;
+            }
+            else
+            {
+                presence.Party = null;
+                presence.Secrets.JoinSecret = null;
+            }
+
+            // game images:
+            // large image tooltip
             if (privacyMode.Value == DiscordRichPresenceMode.Limited)
                 presence.Assets.LargeImageText = string.Empty;
             else
@@ -131,17 +235,57 @@ namespace osu.Desktop
                     presence.Assets.LargeImageText = $"{user.Value.Username}" + (user.Value.Statistics?.GlobalRank > 0 ? $" (rank #{user.Value.Statistics.GlobalRank:N0})" : string.Empty);
             }
 
-            // update ruleset
+            // small image
             presence.Assets.SmallImageKey = ruleset.Value.IsLegacyRuleset() ? $"mode_{ruleset.Value.OnlineID}" : "mode_custom";
             presence.Assets.SmallImageText = ruleset.Value.Name;
-
-            client.SetPresence(presence);
         }
 
+        private void onJoin(object sender, JoinMessage args) => Scheduler.AddOnce(() =>
+        {
+            game.Window?.Raise();
+
+            if (!api.IsLoggedIn)
+            {
+                login?.Show();
+                return;
+            }
+
+            Logger.Log($"Received room secret from Discord RPC Client: \"{args.Secret}\"", LoggingTarget.Network, LogLevel.Debug);
+
+            // Stable and lazer share the same Discord client ID, meaning they can accept join requests from each other.
+            // Since they aren't compatible in multi, see if stable's format is being used and log to avoid confusion.
+            if (args.Secret[0] != '{' || !tryParseRoomSecret(args.Secret, out long roomId, out string? password))
+            {
+                Logger.Log("Could not join multiplayer room, invitation is invalid or incompatible.", LoggingTarget.Network, LogLevel.Important);
+                return;
+            }
+
+            var request = new GetRoomRequest(roomId);
+            request.Success += room => Schedule(() =>
+            {
+                game.PresentMultiplayerMatch(room, password);
+            });
+            request.Failure += _ => Logger.Log($"Could not join multiplayer room, room could not be found (room ID: {roomId}).", LoggingTarget.Network, LogLevel.Important);
+            api.Queue(request);
+        });
+
         private static readonly int ellipsis_length = Encoding.UTF8.GetByteCount(new[] { '…' });
 
-        private string truncate(string str)
+        private static string clampLength(string str)
         {
+            // Empty strings are fine to discord even though single-character strings are not. Make it make sense.
+            if (string.IsNullOrEmpty(str))
+                return str;
+
+            // As above, discord decides that *non-empty* strings shorter than 2 characters cannot possibly be valid input, because... reasons?
+            // And yes, that is two *characters*, or *codepoints*, not *bytes* as further down below (as determined by empirical testing).
+            // Also, spaces don't count. Because reasons, clearly.
+            // That all seems very questionable, and isn't even documented anywhere. So to *make it* accept such valid input,
+            // just tack on enough of U+200B ZERO WIDTH SPACEs at the end. After making sure to trim whitespace.
+            string trimmed = str.Trim();
+            if (trimmed.Length < 2)
+                return trimmed.PadRight(2, '\u200B');
+
             if (Encoding.UTF8.GetByteCount(str) <= 128)
                 return str;
 
@@ -159,44 +303,60 @@ namespace osu.Desktop
             });
         }
 
-        private IBeatmapInfo? getBeatmap(UserActivity activity)
+        private static bool tryParseRoomSecret(string secretJson, out long roomId, out string? password)
+        {
+            roomId = 0;
+            password = null;
+
+            RoomSecret? roomSecret;
+
+            try
+            {
+                roomSecret = JsonConvert.DeserializeObject<RoomSecret>(secretJson);
+            }
+            catch
+            {
+                return false;
+            }
+
+            if (roomSecret == null) return false;
+
+            roomId = roomSecret.RoomID;
+            password = roomSecret.Password;
+
+            return true;
+        }
+
+        private static int? getBeatmapID(UserActivity activity)
         {
             switch (activity)
             {
                 case UserActivity.InGame game:
-                    return game.BeatmapInfo;
+                    return game.BeatmapID;
 
                 case UserActivity.EditingBeatmap edit:
-                    return edit.BeatmapInfo;
+                    return edit.BeatmapID;
             }
 
             return null;
         }
 
-        private string getDetails(UserActivity activity)
-        {
-            switch (activity)
-            {
-                case UserActivity.InGame game:
-                    return game.BeatmapInfo.ToString() ?? string.Empty;
-
-                case UserActivity.EditingBeatmap edit:
-                    return edit.BeatmapInfo.ToString() ?? string.Empty;
-
-                case UserActivity.WatchingReplay watching:
-                    return watching.BeatmapInfo?.ToString() ?? string.Empty;
-
-                case UserActivity.InLobby lobby:
-                    return privacyMode.Value == DiscordRichPresenceMode.Limited ? string.Empty : lobby.Room.Name.Value;
-            }
-
-            return string.Empty;
-        }
-
         protected override void Dispose(bool isDisposing)
         {
+            if (multiplayerClient.IsNotNull())
+                multiplayerClient.RoomUpdated -= onRoomUpdated;
+
             client.Dispose();
             base.Dispose(isDisposing);
         }
+
+        private class RoomSecret
+        {
+            [JsonProperty(@"roomId", Required = Required.Always)]
+            public long RoomID { get; set; }
+
+            [JsonProperty(@"password", Required = Required.AllowNull)]
+            public string? Password { get; set; }
+        }
     }
 }

osu.Desktop/NVAPI.cs

@@ -0,0 +1,757 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+#nullable disable
+
+#pragma warning disable IDE1006 // Naming rule violation
+
+using System;
+using System.Diagnostics.CodeAnalysis;
+using System.Runtime.InteropServices;
+using System.Runtime.Versioning;
+using osu.Framework.Logging;
+
+namespace osu.Desktop
+{
+    [SuppressMessage("ReSharper", "InconsistentNaming")]
+    [SupportedOSPlatform("windows")]
+    internal static class NVAPI
+    {
+        private const string osu_filename = "osu!.exe";
+
+        // This is a good reference:
+        // https://github.com/errollw/Warp-and-Blend-Quadros/blob/master/WarpBlend-Quadros/UnwarpAll-Quadros/include/nvapi.h
+        // Note our Stride == their VERSION (e.g. NVDRS_SETTING_VER)
+
+        public const int MAX_PHYSICAL_GPUS = 64;
+        public const int UNICODE_STRING_MAX = 2048;
+
+        public const string APPLICATION_NAME = @"osu!";
+        public const string PROFILE_NAME = @"osu!";
+
+        [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+        public delegate NvStatus EnumPhysicalGPUsDelegate([Out] IntPtr[] gpuHandles, out int gpuCount);
+
+        public static readonly EnumPhysicalGPUsDelegate EnumPhysicalGPUs;
+
+        [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+        public delegate NvStatus EnumLogicalGPUsDelegate([Out] IntPtr[] gpuHandles, out int gpuCount);
+
+        public static readonly EnumLogicalGPUsDelegate EnumLogicalGPUs;
+
+        [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+        public delegate NvStatus GetSystemTypeDelegate(IntPtr gpuHandle, out NvSystemType systemType);
+
+        public static readonly GetSystemTypeDelegate GetSystemType;
+
+        [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+        public delegate NvStatus GetGPUTypeDelegate(IntPtr gpuHandle, out NvGpuType gpuType);
+
+        public static readonly GetGPUTypeDelegate GetGPUType;
+
+        [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+        public delegate NvStatus CreateSessionDelegate(out IntPtr sessionHandle);
+
+        public static CreateSessionDelegate CreateSession;
+
+        [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+        public delegate NvStatus LoadSettingsDelegate(IntPtr sessionHandle);
+
+        public static LoadSettingsDelegate LoadSettings;
+
+        [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+        public delegate NvStatus FindApplicationByNameDelegate(IntPtr sessionHandle, [MarshalAs(UnmanagedType.BStr)] string appName, out IntPtr profileHandle, ref NvApplication application);
+
+        public static FindApplicationByNameDelegate FindApplicationByName;
+
+        [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+        public delegate NvStatus GetCurrentGlobalProfileDelegate(IntPtr sessionHandle, out IntPtr profileHandle);
+
+        public static GetCurrentGlobalProfileDelegate GetCurrentGlobalProfile;
+
+        [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+        public delegate NvStatus GetProfileInfoDelegate(IntPtr sessionHandle, IntPtr profileHandle, ref NvProfile profile);
+
+        public static GetProfileInfoDelegate GetProfileInfo;
+
+        [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+        public delegate NvStatus GetSettingDelegate(IntPtr sessionHandle, IntPtr profileHandle, NvSettingID settingID, ref NvSetting setting);
+
+        public static GetSettingDelegate GetSetting;
+
+        [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+        private delegate NvStatus CreateProfileDelegate(IntPtr sessionHandle, ref NvProfile profile, out IntPtr profileHandle);
+
+        private static readonly CreateProfileDelegate CreateProfile;
+
+        [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+        private delegate NvStatus SetSettingDelegate(IntPtr sessionHandle, IntPtr profileHandle, ref NvSetting setting);
+
+        private static readonly SetSettingDelegate SetSetting;
+
+        [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+        private delegate NvStatus EnumApplicationsDelegate(IntPtr sessionHandle, IntPtr profileHandle, uint startIndex, ref uint appCount, [In, Out, MarshalAs(UnmanagedType.LPArray)] NvApplication[] applications);
+
+        private static readonly EnumApplicationsDelegate EnumApplications;
+
+        [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+        private delegate NvStatus CreateApplicationDelegate(IntPtr sessionHandle, IntPtr profileHandle, ref NvApplication application);
+
+        private static readonly CreateApplicationDelegate CreateApplication;
+
+        [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+        private delegate NvStatus SaveSettingsDelegate(IntPtr sessionHandle);
+
+        private static readonly SaveSettingsDelegate SaveSettings;
+
+        public static NvStatus Status { get; private set; } = NvStatus.OK;
+        public static bool Available { get; private set; }
+
+        private static IntPtr sessionHandle;
+
+        public static bool IsUsingOptimusDedicatedGpu
+        {
+            get
+            {
+                if (!Available)
+                    return false;
+
+                if (!IsLaptop)
+                    return false;
+
+                IntPtr profileHandle;
+                if (!getProfile(out profileHandle, out _, out bool _))
+                    return false;
+
+                // Get the optimus setting
+                NvSetting setting;
+                if (!getSetting(NvSettingID.SHIM_RENDERING_MODE_ID, profileHandle, out setting))
+                    return false;
+
+                return (setting.U32CurrentValue & (uint)NvShimSetting.SHIM_RENDERING_MODE_ENABLE) > 0;
+            }
+        }
+
+        public static bool IsLaptop
+        {
+            get
+            {
+                if (!Available)
+                    return false;
+
+                // Make sure that this is a laptop.
+                IntPtr[] gpus = new IntPtr[64];
+                if (checkError(EnumPhysicalGPUs(gpus, out int gpuCount), nameof(EnumPhysicalGPUs)))
+                    return false;
+
+                for (int i = 0; i < gpuCount; i++)
+                {
+                    if (checkError(GetSystemType(gpus[i], out var type), nameof(GetSystemType)))
+                        return false;
+
+                    if (type == NvSystemType.LAPTOP)
+                        return true;
+                }
+
+                return false;
+            }
+        }
+
+        public static NvThreadControlSetting ThreadedOptimisations
+        {
+            get
+            {
+                if (!Available)
+                    return NvThreadControlSetting.OGL_THREAD_CONTROL_DEFAULT;
+
+                IntPtr profileHandle;
+                if (!getProfile(out profileHandle, out _, out bool _))
+                    return NvThreadControlSetting.OGL_THREAD_CONTROL_DEFAULT;
+
+                // Get the threaded optimisations setting
+                NvSetting setting;
+                if (!getSetting(NvSettingID.OGL_THREAD_CONTROL_ID, profileHandle, out setting))
+                    return NvThreadControlSetting.OGL_THREAD_CONTROL_DEFAULT;
+
+                return (NvThreadControlSetting)setting.U32CurrentValue;
+            }
+            set
+            {
+                if (!Available)
+                    return;
+
+                bool success = setSetting(NvSettingID.OGL_THREAD_CONTROL_ID, (uint)value);
+
+                Logger.Log(success ? $"[NVAPI] Threaded optimizations set to \"{value}\"!" : "[NVAPI] Threaded optimizations set failed!");
+            }
+        }
+
+        /// <summary>
+        /// Checks if the profile contains the current application.
+        /// </summary>
+        /// <returns>If the profile contains the current application.</returns>
+        private static bool containsApplication(IntPtr profileHandle, NvProfile profile, out NvApplication application)
+        {
+            application = new NvApplication
+            {
+                Version = NvApplication.Stride
+            };
+
+            if (profile.NumOfApps == 0)
+                return false;
+
+            NvApplication[] applications = new NvApplication[profile.NumOfApps];
+            applications[0].Version = NvApplication.Stride;
+
+            uint numApps = profile.NumOfApps;
+
+            if (checkError(EnumApplications(sessionHandle, profileHandle, 0, ref numApps, applications), nameof(EnumApplications)))
+                return false;
+
+            for (uint i = 0; i < numApps; i++)
+            {
+                if (applications[i].AppName == osu_filename)
+                {
+                    application = applications[i];
+                    return true;
+                }
+            }
+
+            return false;
+        }
+
+        /// <summary>
+        /// Retrieves the profile of the current application.
+        /// </summary>
+        /// <param name="profileHandle">The profile handle.</param>
+        /// <param name="application">The current application description.</param>
+        /// <param name="isApplicationSpecific">If this profile is not a global (default) profile.</param>
+        /// <returns>If the operation succeeded.</returns>
+        private static bool getProfile(out IntPtr profileHandle, out NvApplication application, out bool isApplicationSpecific)
+        {
+            application = new NvApplication
+            {
+                Version = NvApplication.Stride
+            };
+
+            isApplicationSpecific = true;
+
+            if (checkError(FindApplicationByName(sessionHandle, osu_filename, out profileHandle, ref application), nameof(FindApplicationByName)))
+            {
+                isApplicationSpecific = false;
+                if (checkError(GetCurrentGlobalProfile(sessionHandle, out profileHandle), nameof(GetCurrentGlobalProfile)))
+                    return false;
+            }
+
+            return true;
+        }
+
+        /// <summary>
+        /// Creates a profile.
+        /// </summary>
+        /// <param name="profileHandle">The profile handle.</param>
+        /// <returns>If the operation succeeded.</returns>
+        private static bool createProfile(out IntPtr profileHandle)
+        {
+            NvProfile newProfile = new NvProfile
+            {
+                Version = NvProfile.Stride,
+                IsPredefined = 0,
+                ProfileName = PROFILE_NAME,
+                GpuSupport = NvDrsGpuSupport.Geforce
+            };
+
+            if (checkError(CreateProfile(sessionHandle, ref newProfile, out profileHandle), nameof(CreateProfile)))
+                return false;
+
+            return true;
+        }
+
+        /// <summary>
+        /// Retrieves a setting from the profile.
+        /// </summary>
+        /// <param name="settingId">The setting to retrieve.</param>
+        /// <param name="profileHandle">The profile handle to retrieve the setting from.</param>
+        /// <param name="setting">The setting.</param>
+        /// <returns>If the operation succeeded.</returns>
+        private static bool getSetting(NvSettingID settingId, IntPtr profileHandle, out NvSetting setting)
+        {
+            setting = new NvSetting
+            {
+                Version = NvSetting.Stride,
+                SettingID = settingId
+            };
+
+            if (checkError(GetSetting(sessionHandle, profileHandle, settingId, ref setting), nameof(GetSetting)))
+                return false;
+
+            return true;
+        }
+
+        private static bool setSetting(NvSettingID settingId, uint settingValue)
+        {
+            NvApplication application;
+            IntPtr profileHandle;
+            bool isApplicationSpecific;
+            if (!getProfile(out profileHandle, out application, out isApplicationSpecific))
+                return false;
+
+            if (!isApplicationSpecific)
+            {
+                // We don't want to interfere with the user's other settings, so let's create a separate config for osu!
+                if (!createProfile(out profileHandle))
+                    return false;
+            }
+
+            NvSetting newSetting = new NvSetting
+            {
+                Version = NvSetting.Stride,
+                SettingID = settingId,
+                U32CurrentValue = settingValue
+            };
+
+            // Set the thread state
+            if (checkError(SetSetting(sessionHandle, profileHandle, ref newSetting), nameof(SetSetting)))
+                return false;
+
+            // Get the profile (needed to check app count)
+            NvProfile profile = new NvProfile
+            {
+                Version = NvProfile.Stride
+            };
+            if (checkError(GetProfileInfo(sessionHandle, profileHandle, ref profile), nameof(GetProfileInfo)))
+                return false;
+
+            if (!containsApplication(profileHandle, profile, out application))
+            {
+                // Need to add the current application to the profile
+                application.IsPredefined = 0;
+
+                application.AppName = osu_filename;
+                application.UserFriendlyName = APPLICATION_NAME;
+
+                if (checkError(CreateApplication(sessionHandle, profileHandle, ref application), nameof(CreateApplication)))
+                    return false;
+            }
+
+            // Save!
+            return !checkError(SaveSettings(sessionHandle), nameof(SaveSettings));
+        }
+
+        /// <summary>
+        /// Creates a session to access the driver configuration.
+        /// </summary>
+        /// <returns>If the operation succeeded.</returns>
+        private static bool createSession()
+        {
+            if (checkError(CreateSession(out sessionHandle), nameof(CreateSession)))
+                return false;
+
+            // Load settings into session
+            if (checkError(LoadSettings(sessionHandle), nameof(LoadSettings)))
+                return false;
+
+            return true;
+        }
+
+        private static bool checkError(NvStatus status, string caller)
+        {
+            Status = status;
+
+            bool hasError = status != NvStatus.OK;
+            if (hasError)
+                Logger.Log($"[NVAPI] {caller} call failed with status code {status}");
+
+            return hasError;
+        }
+
+        static NVAPI()
+        {
+            // TODO: check whether gpu vendor contains NVIDIA before attempting load?
+
+            try
+            {
+                // Try to load NVAPI
+                if ((IntPtr.Size == 4 && loadLibrary(@"nvapi.dll") == IntPtr.Zero)
+                    || (IntPtr.Size == 8 && loadLibrary(@"nvapi64.dll") == IntPtr.Zero))
+                {
+                    return;
+                }
+
+                InitializeDelegate initialize;
+                getDelegate(0x0150E828, out initialize);
+
+                if (initialize?.Invoke() == NvStatus.OK)
+                {
+                    // IDs can be found here: https://github.com/jNizM/AHK_NVIDIA_NvAPI/blob/master/info/NvAPI_IDs.txt
+
+                    getDelegate(0xE5AC921F, out EnumPhysicalGPUs);
+                    getDelegate(0x48B3EA59, out EnumLogicalGPUs);
+                    getDelegate(0xBAAABFCC, out GetSystemType);
+                    getDelegate(0xC33BAEB1, out GetGPUType);
+                    getDelegate(0x0694D52E, out CreateSession);
+                    getDelegate(0x375DBD6B, out LoadSettings);
+                    getDelegate(0xEEE566B2, out FindApplicationByName);
+                    getDelegate(0x617BFF9F, out GetCurrentGlobalProfile);
+                    getDelegate(0x577DD202, out SetSetting);
+                    getDelegate(0x61CD6FD6, out GetProfileInfo);
+                    getDelegate(0x73BF8338, out GetSetting);
+                    getDelegate(0xCC176068, out CreateProfile);
+                    getDelegate(0x7FA2173A, out EnumApplications);
+                    getDelegate(0x4347A9DE, out CreateApplication);
+                    getDelegate(0xFCBC7E14, out SaveSettings);
+                }
+
+                if (createSession())
+                    Available = true;
+            }
+            catch { }
+        }
+
+        private static void getDelegate<T>(uint id, out T newDelegate) where T : class
+        {
+            IntPtr ptr = IntPtr.Size == 4 ? queryInterface32(id) : queryInterface64(id);
+            newDelegate = ptr == IntPtr.Zero ? null : Marshal.GetDelegateForFunctionPointer(ptr, typeof(T)) as T;
+        }
+
+        [DllImport("kernel32.dll", EntryPoint = "LoadLibrary")]
+        private static extern IntPtr loadLibrary(string dllToLoad);
+
+        [DllImport(@"nvapi.dll", EntryPoint = "nvapi_QueryInterface", CallingConvention = CallingConvention.Cdecl)]
+        private static extern IntPtr queryInterface32(uint id);
+
+        [DllImport(@"nvapi64.dll", EntryPoint = "nvapi_QueryInterface", CallingConvention = CallingConvention.Cdecl)]
+        private static extern IntPtr queryInterface64(uint id);
+
+        private delegate NvStatus InitializeDelegate();
+    }
+
+    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
+    internal struct NvSetting
+    {
+        public uint Version;
+
+        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = NVAPI.UNICODE_STRING_MAX)]
+        public string SettingName;
+
+        public NvSettingID SettingID;
+        public uint SettingType;
+        public uint SettingLocation;
+        public uint IsCurrentPredefined;
+        public uint IsPredefinedValid;
+
+        public uint U32PredefinedValue;
+
+        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = NVAPI.UNICODE_STRING_MAX)]
+        public string StringPredefinedValue;
+
+        public uint U32CurrentValue;
+
+        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = NVAPI.UNICODE_STRING_MAX)]
+        public string StringCurrentValue;
+
+        public static uint Stride => (uint)Marshal.SizeOf(typeof(NvSetting)) | (1 << 16);
+    }
+
+    [StructLayout(LayoutKind.Sequential, Pack = 8, CharSet = CharSet.Unicode)]
+    internal struct NvProfile
+    {
+        public uint Version;
+
+        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = NVAPI.UNICODE_STRING_MAX)]
+        public string ProfileName;
+
+        public NvDrsGpuSupport GpuSupport;
+        public uint IsPredefined;
+        public uint NumOfApps;
+        public uint NumOfSettings;
+
+        public static uint Stride => (uint)Marshal.SizeOf(typeof(NvProfile)) | (1 << 16);
+    }
+
+    [StructLayout(LayoutKind.Sequential, Pack = 8, CharSet = CharSet.Unicode)]
+    internal struct NvApplication
+    {
+        public uint Version;
+        public uint IsPredefined;
+
+        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = NVAPI.UNICODE_STRING_MAX)]
+        public string AppName;
+
+        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = NVAPI.UNICODE_STRING_MAX)]
+        public string UserFriendlyName;
+
+        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = NVAPI.UNICODE_STRING_MAX)]
+        public string Launcher;
+
+        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = NVAPI.UNICODE_STRING_MAX)]
+        public string FileInFolder;
+
+        public static uint Stride => (uint)Marshal.SizeOf(typeof(NvApplication)) | (2 << 16);
+    }
+
+    [SuppressMessage("ReSharper", "InconsistentNaming")]
+    internal enum NvStatus
+    {
+        OK = 0, // Success. Request is completed.
+        ERROR = -1, // Generic error
+        LIBRARY_NOT_FOUND = -2, // NVAPI support library cannot be loaded.
+        NO_IMPLEMENTATION = -3, // not implemented in current driver installation
+        API_NOT_INITIALIZED = -4, // Initialize has not been called (successfully)
+        INVALID_ARGUMENT = -5, // The argument/parameter value is not valid or NULL.
+        NVIDIA_DEVICE_NOT_FOUND = -6, // No NVIDIA display driver, or NVIDIA GPU driving a display, was found.
+        END_ENUMERATION = -7, // No more items to enumerate
+        INVALID_HANDLE = -8, // Invalid handle
+        INCOMPATIBLE_STRUCT_VERSION = -9, // An argument's structure version is not supported
+        HANDLE_INVALIDATED = -10, // The handle is no longer valid (likely due to GPU or display re-configuration)
+        OPENGL_CONTEXT_NOT_CURRENT = -11, // No NVIDIA OpenGL context is current (but needs to be)
+        INVALID_POINTER = -14, // An invalid pointer, usually NULL, was passed as a parameter
+        NO_GL_EXPERT = -12, // OpenGL Expert is not supported by the current drivers
+        INSTRUMENTATION_DISABLED = -13, // OpenGL Expert is supported, but driver instrumentation is currently disabled
+        NO_GL_NSIGHT = -15, // OpenGL does not support Nsight
+
+        EXPECTED_LOGICAL_GPU_HANDLE = -100, // Expected a logical GPU handle for one or more parameters
+        EXPECTED_PHYSICAL_GPU_HANDLE = -101, // Expected a physical GPU handle for one or more parameters
+        EXPECTED_DISPLAY_HANDLE = -102, // Expected an NV display handle for one or more parameters
+        INVALID_COMBINATION = -103, // The combination of parameters is not valid.
+        NOT_SUPPORTED = -104, // Requested feature is not supported in the selected GPU
+        PORTID_NOT_FOUND = -105, // No port ID was found for the I2C transaction
+        EXPECTED_UNATTACHED_DISPLAY_HANDLE = -106, // Expected an unattached display handle as one of the input parameters.
+        INVALID_PERF_LEVEL = -107, // Invalid perf level
+        DEVICE_BUSY = -108, // Device is busy; request not fulfilled
+        NV_PERSIST_FILE_NOT_FOUND = -109, // NV persist file is not found
+        PERSIST_DATA_NOT_FOUND = -110, // NV persist data is not found
+        EXPECTED_TV_DISPLAY = -111, // Expected a TV output display
+        EXPECTED_TV_DISPLAY_ON_DCONNECTOR = -112, // Expected a TV output on the D Connector - HDTV_EIAJ4120.
+        NO_ACTIVE_SLI_TOPOLOGY = -113, // SLI is not active on this device.
+        SLI_RENDERING_MODE_NOTALLOWED = -114, // Setup of SLI rendering mode is not possible right now.
+        EXPECTED_DIGITAL_FLAT_PANEL = -115, // Expected a digital flat panel.
+        ARGUMENT_EXCEED_MAX_SIZE = -116, // Argument exceeds the expected size.
+        DEVICE_SWITCHING_NOT_ALLOWED = -117, // Inhibit is ON due to one of the flags in NV_GPU_DISPLAY_CHANGE_INHIBIT or SLI active.
+        TESTING_CLOCKS_NOT_SUPPORTED = -118, // Testing of clocks is not supported.
+        UNKNOWN_UNDERSCAN_CONFIG = -119, // The specified underscan config is from an unknown source (e.g. INF)
+        TIMEOUT_RECONFIGURING_GPU_TOPO = -120, // Timeout while reconfiguring GPUs
+        DATA_NOT_FOUND = -121, // Requested data was not found
+        EXPECTED_ANALOG_DISPLAY = -122, // Expected an analog display
+        NO_VIDLINK = -123, // No SLI video bridge is present
+        REQUIRES_REBOOT = -124, // NVAPI requires a reboot for the settings to take effect
+        INVALID_HYBRID_MODE = -125, // The function is not supported with the current Hybrid mode.
+        MIXED_TARGET_TYPES = -126, // The target types are not all the same
+        SYSWOW64_NOT_SUPPORTED = -127, // The function is not supported from 32-bit on a 64-bit system.
+        IMPLICIT_SET_GPU_TOPOLOGY_CHANGE_NOT_ALLOWED = -128, // There is no implicit GPU topology active. Use SetHybridMode to change topology.
+        REQUEST_USER_TO_CLOSE_NON_MIGRATABLE_APPS = -129, // Prompt the user to close all non-migratable applications.
+        OUT_OF_MEMORY = -130, // Could not allocate sufficient memory to complete the call.
+        WAS_STILL_DRAWING = -131, // The previous operation that is transferring information to or from this surface is incomplete.
+        FILE_NOT_FOUND = -132, // The file was not found.
+        TOO_MANY_UNIQUE_STATE_OBJECTS = -133, // There are too many unique instances of a particular type of state object.
+        INVALID_CALL = -134, // The method call is invalid. For example, a method's parameter may not be a valid pointer.
+        D3D10_1_LIBRARY_NOT_FOUND = -135, // d3d10_1.dll cannot be loaded.
+        FUNCTION_NOT_FOUND = -136, // Couldn't find the function in the loaded DLL.
+        INVALID_USER_PRIVILEGE = -137, // Current User is not Admin.
+        EXPECTED_NON_PRIMARY_DISPLAY_HANDLE = -138, // The handle corresponds to GDIPrimary.
+        EXPECTED_COMPUTE_GPU_HANDLE = -139, // Setting Physx GPU requires that the GPU is compute-capable.
+        STEREO_NOT_INITIALIZED = -140, // The Stereo part of NVAPI failed to initialize completely. Check if the stereo driver is installed.
+        STEREO_REGISTRY_ACCESS_FAILED = -141, // Access to stereo-related registry keys or values has failed.
+        STEREO_REGISTRY_PROFILE_TYPE_NOT_SUPPORTED = -142, // The given registry profile type is not supported.
+        STEREO_REGISTRY_VALUE_NOT_SUPPORTED = -143, // The given registry value is not supported.
+        STEREO_NOT_ENABLED = -144, // Stereo is not enabled and the function needed it to execute completely.
+        STEREO_NOT_TURNED_ON = -145, // Stereo is not turned on and the function needed it to execute completely.
+        STEREO_INVALID_DEVICE_INTERFACE = -146, // Invalid device interface.
+        STEREO_PARAMETER_OUT_OF_RANGE = -147, // Separation percentage or JPEG image capture quality is out of [0-100] range.
+        STEREO_FRUSTUM_ADJUST_MODE_NOT_SUPPORTED = -148, // The given frustum adjust mode is not supported.
+        TOPO_NOT_POSSIBLE = -149, // The mosaic topology is not possible given the current state of the hardware.
+        MODE_CHANGE_FAILED = -150, // An attempt to do a display resolution mode change has failed.
+        D3D11_LIBRARY_NOT_FOUND = -151, // d3d11.dll/d3d11_beta.dll cannot be loaded.
+        INVALID_ADDRESS = -152, // Address is outside of valid range.
+        STRING_TOO_SMALL = -153, // The pre-allocated string is too small to hold the result.
+        MATCHING_DEVICE_NOT_FOUND = -154, // The input does not match any of the available devices.
+        DRIVER_RUNNING = -155, // Driver is running.
+        DRIVER_NOTRUNNING = -156, // Driver is not running.
+        ERROR_DRIVER_RELOAD_REQUIRED = -157, // A driver reload is required to apply these settings.
+        SET_NOT_ALLOWED = -158, // Intended setting is not allowed.
+        ADVANCED_DISPLAY_TOPOLOGY_REQUIRED = -159, // Information can't be returned due to "advanced display topology".
+        SETTING_NOT_FOUND = -160, // Setting is not found.
+        SETTING_SIZE_TOO_LARGE = -161, // Setting size is too large.
+        TOO_MANY_SETTINGS_IN_PROFILE = -162, // There are too many settings for a profile.
+        PROFILE_NOT_FOUND = -163, // Profile is not found.
+        PROFILE_NAME_IN_USE = -164, // Profile name is duplicated.
+        PROFILE_NAME_EMPTY = -165, // Profile name is empty.
+        EXECUTABLE_NOT_FOUND = -166, // Application not found in the Profile.
+        EXECUTABLE_ALREADY_IN_USE = -167, // Application already exists in the other profile.
+        DATATYPE_MISMATCH = -168, // Data Type mismatch
+        PROFILE_REMOVED = -169, // The profile passed as parameter has been removed and is no longer valid.
+        UNREGISTERED_RESOURCE = -170, // An unregistered resource was passed as a parameter.
+        ID_OUT_OF_RANGE = -171, // The DisplayId corresponds to a display which is not within the normal outputId range.
+        DISPLAYCONFIG_VALIDATION_FAILED = -172, // Display topology is not valid so the driver cannot do a mode set on this configuration.
+        DPMST_CHANGED = -173, // Display Port Multi-Stream topology has been changed.
+        INSUFFICIENT_BUFFER = -174, // Input buffer is insufficient to hold the contents.
+        ACCESS_DENIED = -175, // No access to the caller.
+        MOSAIC_NOT_ACTIVE = -176, // The requested action cannot be performed without Mosaic being enabled.
+        SHARE_RESOURCE_RELOCATED = -177, // The surface is relocated away from video memory.
+        REQUEST_USER_TO_DISABLE_DWM = -178, // The user should disable DWM before calling NvAPI.
+        D3D_DEVICE_LOST = -179, // D3D device status is D3DERR_DEVICELOST or D3DERR_DEVICENOTRESET - the user has to reset the device.
+        INVALID_CONFIGURATION = -180, // The requested action cannot be performed in the current state.
+        STEREO_HANDSHAKE_NOT_DONE = -181, // Call failed as stereo handshake not completed.
+        EXECUTABLE_PATH_IS_AMBIGUOUS = -182, // The path provided was too short to determine the correct NVDRS_APPLICATION
+        DEFAULT_STEREO_PROFILE_IS_NOT_DEFINED = -183, // Default stereo profile is not currently defined
+        DEFAULT_STEREO_PROFILE_DOES_NOT_EXIST = -184, // Default stereo profile does not exist
+        CLUSTER_ALREADY_EXISTS = -185, // A cluster is already defined with the given configuration.
+        DPMST_DISPLAY_ID_EXPECTED = -186, // The input display id is not that of a multi stream enabled connector or a display device in a multi stream topology
+        INVALID_DISPLAY_ID = -187, // The input display id is not valid or the monitor associated to it does not support the current operation
+        STREAM_IS_OUT_OF_SYNC = -188, // While playing secure audio stream, stream goes out of sync
+        INCOMPATIBLE_AUDIO_DRIVER = -189, // Older audio driver version than required
+        VALUE_ALREADY_SET = -190, // Value already set, setting again not allowed.
+        TIMEOUT = -191, // Requested operation timed out
+        GPU_WORKSTATION_FEATURE_INCOMPLETE = -192, // The requested workstation feature set has incomplete driver internal allocation resources
+        STEREO_INIT_ACTIVATION_NOT_DONE = -193, // Call failed because InitActivation was not called.
+        SYNC_NOT_ACTIVE = -194, // The requested action cannot be performed without Sync being enabled.
+        SYNC_MASTER_NOT_FOUND = -195, // The requested action cannot be performed without Sync Master being enabled.
+        INVALID_SYNC_TOPOLOGY = -196, // Invalid displays passed in the NV_GSYNC_DISPLAY pointer.
+
+        ECID_SIGN_ALGO_UNSUPPORTED = -197, // The specified signing algorithm is not supported. Either an incorrect value was entered or the current installed driver/hardware does not support the input value.
+        ECID_KEY_VERIFICATION_FAILED = -198, // The encrypted public key verification has failed.
+        FIRMWARE_OUT_OF_DATE = -199, // The device's firmware is out of date.
+        FIRMWARE_REVISION_NOT_SUPPORTED = -200, // The device's firmware is not supported.
+    }
+
+    [SuppressMessage("ReSharper", "InconsistentNaming")]
+    internal enum NvSystemType
+    {
+        UNKNOWN = 0,
+        LAPTOP = 1,
+        DESKTOP = 2
+    }
+
+    [SuppressMessage("ReSharper", "InconsistentNaming")]
+    internal enum NvGpuType
+    {
+        UNKNOWN = 0,
+        IGPU = 1, // Integrated
+        DGPU = 2, // Discrete
+    }
+
+    [SuppressMessage("ReSharper", "InconsistentNaming")]
+    internal enum NvSettingID : uint
+    {
+        OGL_AA_LINE_GAMMA_ID = 0x2089BF6C,
+        OGL_DEEP_COLOR_SCANOUT_ID = 0x2097C2F6,
+        OGL_DEFAULT_SWAP_INTERVAL_ID = 0x206A6582,
+        OGL_DEFAULT_SWAP_INTERVAL_FRACTIONAL_ID = 0x206C4581,
+        OGL_DEFAULT_SWAP_INTERVAL_SIGN_ID = 0x20655CFA,
+        OGL_EVENT_LOG_SEVERITY_THRESHOLD_ID = 0x209DF23E,
+        OGL_EXTENSION_STRING_VERSION_ID = 0x20FF7493,
+        OGL_FORCE_BLIT_ID = 0x201F619F,
+        OGL_FORCE_STEREO_ID = 0x204D9A0C,
+        OGL_IMPLICIT_GPU_AFFINITY_ID = 0x20D0F3E6,
+        OGL_MAX_FRAMES_ALLOWED_ID = 0x208E55E3,
+        OGL_MULTIMON_ID = 0x200AEBFC,
+        OGL_OVERLAY_PIXEL_TYPE_ID = 0x209AE66F,
+        OGL_OVERLAY_SUPPORT_ID = 0x206C28C4,
+        OGL_QUALITY_ENHANCEMENTS_ID = 0x20797D6C,
+        OGL_SINGLE_BACKDEPTH_BUFFER_ID = 0x20A29055,
+        OGL_THREAD_CONTROL_ID = 0x20C1221E,
+        OGL_TRIPLE_BUFFER_ID = 0x20FDD1F9,
+        OGL_VIDEO_EDITING_MODE_ID = 0x20EE02B4,
+        AA_BEHAVIOR_FLAGS_ID = 0x10ECDB82,
+        AA_MODE_ALPHATOCOVERAGE_ID = 0x10FC2D9C,
+        AA_MODE_GAMMACORRECTION_ID = 0x107D639D,
+        AA_MODE_METHOD_ID = 0x10D773D2,
+        AA_MODE_REPLAY_ID = 0x10D48A85,
+        AA_MODE_SELECTOR_ID = 0x107EFC5B,
+        AA_MODE_SELECTOR_SLIAA_ID = 0x107AFC5B,
+        ANISO_MODE_LEVEL_ID = 0x101E61A9,
+        ANISO_MODE_SELECTOR_ID = 0x10D2BB16,
+        APPLICATION_PROFILE_NOTIFICATION_TIMEOUT_ID = 0x104554B6,
+        APPLICATION_STEAM_ID_ID = 0x107CDDBC,
+        CPL_HIDDEN_PROFILE_ID = 0x106D5CFF,
+        CUDA_EXCLUDED_GPUS_ID = 0x10354FF8,
+        D3DOGL_GPU_MAX_POWER_ID = 0x10D1EF29,
+        EXPORT_PERF_COUNTERS_ID = 0x108F0841,
+        FXAA_ALLOW_ID = 0x1034CB89,
+        FXAA_ENABLE_ID = 0x1074C972,
+        FXAA_INDICATOR_ENABLE_ID = 0x1068FB9C,
+        MCSFRSHOWSPLIT_ID = 0x10287051,
+        OPTIMUS_MAXAA_ID = 0x10F9DC83,
+        PHYSXINDICATOR_ID = 0x1094F16F,
+        PREFERRED_PSTATE_ID = 0x1057EB71,
+        PREVENT_UI_AF_OVERRIDE_ID = 0x103BCCB5,
+        PS_FRAMERATE_LIMITER_ID = 0x10834FEE,
+        PS_FRAMERATE_LIMITER_GPS_CTRL_ID = 0x10834F01,
+        SHIM_MAXRES_ID = 0x10F9DC82,
+        SHIM_MCCOMPAT_ID = 0x10F9DC80,
+        SHIM_RENDERING_MODE_ID = 0x10F9DC81,
+        SHIM_RENDERING_OPTIONS_ID = 0x10F9DC84,
+        SLI_GPU_COUNT_ID = 0x1033DCD1,
+        SLI_PREDEFINED_GPU_COUNT_ID = 0x1033DCD2,
+        SLI_PREDEFINED_GPU_COUNT_DX10_ID = 0x1033DCD3,
+        SLI_PREDEFINED_MODE_ID = 0x1033CEC1,
+        SLI_PREDEFINED_MODE_DX10_ID = 0x1033CEC2,
+        SLI_RENDERING_MODE_ID = 0x1033CED1,
+        VRRFEATUREINDICATOR_ID = 0x1094F157,
+        VRROVERLAYINDICATOR_ID = 0x1095F16F,
+        VRRREQUESTSTATE_ID = 0x1094F1F7,
+        VSYNCSMOOTHAFR_ID = 0x101AE763,
+        VSYNCVRRCONTROL_ID = 0x10A879CE,
+        VSYNC_BEHAVIOR_FLAGS_ID = 0x10FDEC23,
+        WKS_API_STEREO_EYES_EXCHANGE_ID = 0x11AE435C,
+        WKS_API_STEREO_MODE_ID = 0x11E91A61,
+        WKS_MEMORY_ALLOCATION_POLICY_ID = 0x11112233,
+        WKS_STEREO_DONGLE_SUPPORT_ID = 0x112493BD,
+        WKS_STEREO_SUPPORT_ID = 0x11AA9E99,
+        WKS_STEREO_SWAP_MODE_ID = 0x11333333,
+        AO_MODE_ID = 0x00667329,
+        AO_MODE_ACTIVE_ID = 0x00664339,
+        AUTO_LODBIASADJUST_ID = 0x00638E8F,
+        ICAFE_LOGO_CONFIG_ID = 0x00DB1337,
+        LODBIASADJUST_ID = 0x00738E8F,
+        PRERENDERLIMIT_ID = 0x007BA09E,
+        PS_DYNAMIC_TILING_ID = 0x00E5C6C0,
+        PS_SHADERDISKCACHE_ID = 0x00198FFF,
+        PS_TEXFILTER_ANISO_OPTS2_ID = 0x00E73211,
+        PS_TEXFILTER_BILINEAR_IN_ANISO_ID = 0x0084CD70,
+        PS_TEXFILTER_DISABLE_TRILIN_SLOPE_ID = 0x002ECAF2,
+        PS_TEXFILTER_NO_NEG_LODBIAS_ID = 0x0019BB68,
+        QUALITY_ENHANCEMENTS_ID = 0x00CE2691,
+        REFRESH_RATE_OVERRIDE_ID = 0x0064B541,
+        SET_POWER_THROTTLE_FOR_PCIe_COMPLIANCE_ID = 0x00AE785C,
+        SET_VAB_DATA_ID = 0x00AB8687,
+        VSYNCMODE_ID = 0x00A879CF,
+        VSYNCTEARCONTROL_ID = 0x005A375C,
+        TOTAL_DWORD_SETTING_NUM = 80,
+        TOTAL_WSTRING_SETTING_NUM = 4,
+        TOTAL_SETTING_NUM = 84,
+        INVALID_SETTING_ID = 0xFFFFFFFF
+    }
+
+    [SuppressMessage("ReSharper", "InconsistentNaming")]
+    internal enum NvShimSetting : uint
+    {
+        SHIM_RENDERING_MODE_INTEGRATED = 0x00000000,
+        SHIM_RENDERING_MODE_ENABLE = 0x00000001,
+        SHIM_RENDERING_MODE_USER_EDITABLE = 0x00000002,
+        SHIM_RENDERING_MODE_MASK = 0x00000003,
+        SHIM_RENDERING_MODE_VIDEO_MASK = 0x00000004,
+        SHIM_RENDERING_MODE_VARYING_BIT = 0x00000008,
+        SHIM_RENDERING_MODE_AUTO_SELECT = 0x00000010,
+        SHIM_RENDERING_MODE_OVERRIDE_BIT = 0x80000000,
+        SHIM_RENDERING_MODE_NUM_VALUES = 8,
+        SHIM_RENDERING_MODE_DEFAULT = SHIM_RENDERING_MODE_AUTO_SELECT
+    }
+
+    [SuppressMessage("ReSharper", "InconsistentNaming")]
+    internal enum NvThreadControlSetting : uint
+    {
+        OGL_THREAD_CONTROL_ENABLE = 0x00000001,
+        OGL_THREAD_CONTROL_DISABLE = 0x00000002,
+        OGL_THREAD_CONTROL_NUM_VALUES = 2,
+        OGL_THREAD_CONTROL_DEFAULT = 0
+    }
+
+    [Flags]
+    internal enum NvDrsGpuSupport : uint
+    {
+        Geforce = 1 << 0,
+        Quadro = 1 << 1,
+        Nvs = 1 << 2
+    }
+}

osu.Desktop/OsuGameDesktop.cs

@@ -2,11 +2,12 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using System;
-using System.Diagnostics;
 using System.IO;
 using System.Reflection;
 using System.Runtime.Versioning;
+using System.Threading.Tasks;
 using Microsoft.Win32;
+using osu.Desktop.Performance;
 using osu.Desktop.Security;
 using osu.Framework.Platform;
 using osu.Game;
@@ -15,11 +16,12 @@ using osu.Framework;
 using osu.Framework.Logging;
 using osu.Game.Updater;
 using osu.Desktop.Windows;
+using osu.Framework.Allocation;
 using osu.Game.IO;
 using osu.Game.IPC;
 using osu.Game.Online.Multiplayer;
+using osu.Game.Performance;
 using osu.Game.Utils;
-using SDL2;
 
 namespace osu.Desktop
 {
@@ -28,6 +30,9 @@ namespace osu.Desktop
         private OsuSchemeLinkIPCChannel? osuSchemeLinkIPCChannel;
         private ArchiveImportIPCChannel? archiveImportIPCChannel;
 
+        [Cached(typeof(IHighPerformanceSessionManager))]
+        private readonly HighPerformanceSessionManager highPerformanceSessionManager = new HighPerformanceSessionManager();
+
         public OsuGameDesktop(string[]? args = null)
             : base(args)
         {
@@ -86,46 +91,24 @@ namespace osu.Desktop
         [SupportedOSPlatform("windows")]
         private string? getStableInstallPathFromRegistry()
         {
-            using (RegistryKey? key = Registry.ClassesRoot.OpenSubKey("osu"))
-                return key?.OpenSubKey(@"shell\open\command")?.GetValue(string.Empty)?.ToString()?.Split('"')[1].Replace("osu!.exe", "");
+            using (RegistryKey? key = Registry.ClassesRoot.OpenSubKey("osu!"))
+                return key?.OpenSubKey(WindowsAssociationManager.SHELL_OPEN_COMMAND)?.GetValue(string.Empty)?.ToString()?.Split('"')[1].Replace("osu!.exe", "");
         }
 
+        public static bool IsPackageManaged => !string.IsNullOrEmpty(Environment.GetEnvironmentVariable("OSU_EXTERNAL_UPDATE_PROVIDER"));
+
         protected override UpdateManager CreateUpdateManager()
         {
-            string? packageManaged = Environment.GetEnvironmentVariable("OSU_EXTERNAL_UPDATE_PROVIDER");
-
-            if (!string.IsNullOrEmpty(packageManaged))
+            if (IsPackageManaged)
                 return new NoActionUpdateManager();
 
-            switch (RuntimeInfo.OS)
-            {
-                case RuntimeInfo.Platform.Windows:
-                    Debug.Assert(OperatingSystem.IsWindows());
-
-                    return new SquirrelUpdateManager();
-
-                default:
-                    return new SimpleUpdateManager();
-            }
+            return new VelopackUpdateManager();
         }
 
         public override bool RestartAppWhenExited()
         {
-            switch (RuntimeInfo.OS)
-            {
-                case RuntimeInfo.Platform.Windows:
-                    Debug.Assert(OperatingSystem.IsWindows());
-
-                    // Of note, this is an async method in squirrel that adds an arbitrary delay before returning
-                    // likely to ensure the external process is in a good state.
-                    //
-                    // We're not waiting on that here, but the outro playing before the actual exit should be enough
-                    // to cover this.
-                    Squirrel.UpdateManager.RestartAppWhenExited().FireAndForget();
-                    return true;
-            }
-
-            return base.RestartAppWhenExited();
+            Task.Run(() => Velopack.UpdateExe.Start()).FireAndForget();
+            return true;
         }
 
         protected override void LoadComplete()
@@ -155,7 +138,7 @@ namespace osu.Desktop
             host.Window.Title = Name;
         }
 
-        protected override BatteryInfo CreateBatteryInfo() => new SDL2BatteryInfo();
+        protected override BatteryInfo CreateBatteryInfo() => FrameworkEnvironment.UseSDL3 ? new SDL3BatteryInfo() : new SDL2BatteryInfo();
 
         protected override void Dispose(bool isDisposing)
         {
@@ -163,23 +146,5 @@ namespace osu.Desktop
             osuSchemeLinkIPCChannel?.Dispose();
             archiveImportIPCChannel?.Dispose();
         }
-
-        private class SDL2BatteryInfo : BatteryInfo
-        {
-            public override double? ChargeLevel
-            {
-                get
-                {
-                    SDL.SDL_GetPowerInfo(out _, out int percentage);
-
-                    if (percentage == -1)
-                        return null;
-
-                    return percentage / 100.0;
-                }
-            }
-
-            public override bool OnBattery => SDL.SDL_GetPowerInfo(out _, out _) == SDL.SDL_PowerState.SDL_POWERSTATE_ON_BATTERY;
-        }
     }
 }

osu.Desktop/Performance/HighPerformanceSessionManager.cs

@@ -0,0 +1,60 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System;
+using System.Runtime;
+using System.Threading;
+using osu.Framework.Allocation;
+using osu.Framework.Logging;
+using osu.Game.Performance;
+
+namespace osu.Desktop.Performance
+{
+    public class HighPerformanceSessionManager : IHighPerformanceSessionManager
+    {
+        public bool IsSessionActive => activeSessions > 0;
+
+        private int activeSessions;
+
+        private GCLatencyMode originalGCMode;
+
+        public IDisposable BeginSession()
+        {
+            enterSession();
+            return new InvokeOnDisposal<HighPerformanceSessionManager>(this, static m => m.exitSession());
+        }
+
+        private void enterSession()
+        {
+            if (Interlocked.Increment(ref activeSessions) > 1)
+            {
+                Logger.Log($"High performance session requested ({activeSessions} running in total)");
+                return;
+            }
+
+            Logger.Log("Starting high performance session");
+
+            originalGCMode = GCSettings.LatencyMode;
+            GCSettings.LatencyMode = GCLatencyMode.LowLatency;
+
+            // Without doing this, the new GC mode won't kick in until the next GC, which could be at a more noticeable point in time.
+            GC.Collect(0);
+        }
+
+        private void exitSession()
+        {
+            if (Interlocked.Decrement(ref activeSessions) > 0)
+            {
+                Logger.Log($"High performance session finished ({activeSessions} others remain)");
+                return;
+            }
+
+            Logger.Log("Ending high performance session");
+
+            if (GCSettings.LatencyMode == GCLatencyMode.LowLatency)
+                GCSettings.LatencyMode = originalGCMode;
+
+            // No GC.Collect() as we were already collecting at a higher frequency in the old mode.
+        }
+    }
+}

osu.Desktop/Program.cs

@@ -5,6 +5,7 @@ using System;
 using System.IO;
 using System.Runtime.Versioning;
 using osu.Desktop.LegacyIpc;
+using osu.Desktop.Windows;
 using osu.Framework;
 using osu.Framework.Development;
 using osu.Framework.Logging;
@@ -12,8 +13,8 @@ using osu.Framework.Platform;
 using osu.Game;
 using osu.Game.IPC;
 using osu.Game.Tournament;
-using SDL2;
-using Squirrel;
+using SDL;
+using Velopack;
 
 namespace osu.Desktop
 {
@@ -30,30 +31,41 @@ namespace osu.Desktop
         [STAThread]
         public static void Main(string[] args)
         {
-            // run Squirrel first, as the app may exit after these run
+            // IMPORTANT DON'T IGNORE: For general sanity, velopack's setup needs to run before anything else.
+            // This has bitten us in the rear before (bricked updater), and although the underlying issue from
+            // last time has been fixed, let's not tempt fate.
+            setupVelopack();
+
             if (OperatingSystem.IsWindows())
             {
                 var windowsVersion = Environment.OSVersion.Version;
 
-                // While .NET 6 still supports Windows 7 and above, we are limited by realm currently, as they choose to only support 8.1 and higher.
-                // See https://www.mongodb.com/docs/realm/sdk/dotnet/#supported-platforms
+                // While .NET 8 only supports Windows 10 and above, running on Windows 7/8.1 may still work. We are limited by realm currently, as they choose to only support 8.1 and higher.
+                // See https://www.mongodb.com/docs/realm/sdk/dotnet/compatibility/
                 if (windowsVersion.Major < 6 || (windowsVersion.Major == 6 && windowsVersion.Minor <= 2))
                 {
-                    // If users running in compatibility mode becomes more of a common thing, we may want to provide better guidance or even consider
-                    // disabling it ourselves.
-                    // We could also better detect compatibility mode if required:
-                    // https://stackoverflow.com/questions/10744651/how-i-can-detect-if-my-application-is-running-under-compatibility-mode#comment58183249_10744730
-                    SDL.SDL_ShowSimpleMessageBox(SDL.SDL_MessageBoxFlags.SDL_MESSAGEBOX_ERROR,
-                        "Your operating system is too old to run osu!",
-                        "This version of osu! requires at least Windows 8.1 to run.\n"
-                        + "Please upgrade your operating system or consider using an older version of osu!.\n\n"
-                        + "If you are running a newer version of windows, please check you don't have \"Compatibility mode\" turned on for osu!", IntPtr.Zero);
-                    return;
+                    unsafe
+                    {
+                        // If users running in compatibility mode becomes more of a common thing, we may want to provide better guidance or even consider
+                        // disabling it ourselves.
+                        // We could also better detect compatibility mode if required:
+                        // https://stackoverflow.com/questions/10744651/how-i-can-detect-if-my-application-is-running-under-compatibility-mode#comment58183249_10744730
+                        SDL3.SDL_ShowSimpleMessageBox(SDL_MessageBoxFlags.SDL_MESSAGEBOX_ERROR,
+                            "Your operating system is too old to run osu!"u8,
+                            "This version of osu! requires at least Windows 8.1 to run.\n"u8
+                            + "Please upgrade your operating system or consider using an older version of osu!.\n\n"u8
+                            + "If you are running a newer version of windows, please check you don't have \"Compatibility mode\" turned on for osu!"u8, null);
+                        return;
+                    }
                 }
-
-                setupSquirrel();
             }
 
+            // NVIDIA profiles are based on the executable name of a process.
+            // Lazer and stable share the same executable name.
+            // Stable sets this setting to "Off", which may not be what we want, so let's force it back to the default "Auto" on startup.
+            if (OperatingSystem.IsWindows())
+                NVAPI.ThreadedOptimisations = NvThreadControlSetting.OGL_THREAD_CONTROL_DEFAULT;
+
             // Back up the cwd before DesktopGameHost changes it
             string cwd = Environment.CurrentDirectory;
 
@@ -85,7 +97,13 @@ namespace osu.Desktop
                 }
             }
 
-            using (DesktopGameHost host = Host.GetSuitableDesktopHost(gameName, new HostOptions { BindIPC = true }))
+            var hostOptions = new HostOptions
+            {
+                IPCPort = !tournamentClient ? OsuGame.IPC_PORT : null,
+                FriendlyGameName = OsuGameBase.GAME_NAME,
+            };
+
+            using (DesktopGameHost host = Host.GetSuitableDesktopHost(gameName, hostOptions))
             {
                 if (!host.IsPrimaryInstance)
                 {
@@ -149,29 +167,28 @@ namespace osu.Desktop
             return false;
         }
 
-        [SupportedOSPlatform("windows")]
-        private static void setupSquirrel()
+        private static void setupVelopack()
         {
-            SquirrelAwareApp.HandleEvents(onInitialInstall: (_, tools) =>
+            if (OsuGameDesktop.IsPackageManaged)
             {
-                tools.CreateShortcutForThisExe();
-                tools.CreateUninstallerRegistryEntry();
-            }, onAppUpdate: (_, tools) =>
-            {
-                tools.CreateUninstallerRegistryEntry();
-            }, onAppUninstall: (_, tools) =>
-            {
-                tools.RemoveShortcutForThisExe();
-                tools.RemoveUninstallerRegistryEntry();
-            }, onEveryRun: (_, _, _) =>
-            {
-                // While setting the `ProcessAppUserModelId` fixes duplicate icons/shortcuts on the taskbar, it currently
-                // causes the right-click context menu to function incorrectly.
-                //
-                // This may turn out to be non-required after an alternative solution is implemented.
-                // see https://github.com/clowd/Clowd.Squirrel/issues/24
-                // tools.SetProcessAppUserModelId();
-            });
+                Logger.Log("Updates are being managed by an external provider. Skipping Velopack setup.");
+                return;
+            }
+
+            var app = VelopackApp.Build();
+
+            if (OperatingSystem.IsWindows())
+                configureWindows(app);
+
+            app.Run();
+        }
+
+        [SupportedOSPlatform("windows")]
+        private static void configureWindows(VelopackApp app)
+        {
+            app.WithFirstRun(_ => WindowsAssociationManager.InstallAssociations());
+            app.WithAfterUpdateFastCallback(_ => WindowsAssociationManager.UpdateAssociations());
+            app.WithBeforeUninstallFastCallback(_ => WindowsAssociationManager.UninstallAssociations());
         }
     }
 }

osu.Desktop/SDL2BatteryInfo.cs

@@ -0,0 +1,25 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using osu.Game.Utils;
+
+namespace osu.Desktop
+{
+    internal class SDL2BatteryInfo : BatteryInfo
+    {
+        public override double? ChargeLevel
+        {
+            get
+            {
+                SDL2.SDL.SDL_GetPowerInfo(out _, out int percentage);
+
+                if (percentage == -1)
+                    return null;
+
+                return percentage / 100.0;
+            }
+        }
+
+        public override bool OnBattery => SDL2.SDL.SDL_GetPowerInfo(out _, out _) == SDL2.SDL.SDL_PowerState.SDL_POWERSTATE_ON_BATTERY;
+    }
+}

osu.Desktop/SDL3BatteryInfo.cs

@@ -0,0 +1,27 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using osu.Game.Utils;
+using SDL;
+
+namespace osu.Desktop
+{
+    internal unsafe class SDL3BatteryInfo : BatteryInfo
+    {
+        public override double? ChargeLevel
+        {
+            get
+            {
+                int percentage;
+                SDL3.SDL_GetPowerInfo(null, &percentage);
+
+                if (percentage == -1)
+                    return null;
+
+                return percentage / 100.0;
+            }
+        }
+
+        public override bool OnBattery => SDL3.SDL_GetPowerInfo(null, null) == SDL_PowerState.SDL_POWERSTATE_ON_BATTERY;
+    }
+}

osu.Desktop/Security/ElevatedPrivilegesChecker.cs

@@ -2,7 +2,6 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using System;
-using System.Security.Principal;
 using osu.Framework;
 using osu.Framework.Allocation;
 using osu.Framework.Graphics;
@@ -21,48 +20,14 @@ namespace osu.Desktop.Security
         [Resolved]
         private INotificationOverlay notifications { get; set; } = null!;
 
-        private bool elevated;
-
-        [BackgroundDependencyLoader]
-        private void load()
-        {
-            elevated = checkElevated();
-        }
-
         protected override void LoadComplete()
         {
             base.LoadComplete();
 
-            if (elevated)
+            if (Environment.IsPrivilegedProcess)
                 notifications.Post(new ElevatedPrivilegesNotification());
         }
 
-        private bool checkElevated()
-        {
-            try
-            {
-                switch (RuntimeInfo.OS)
-                {
-                    case RuntimeInfo.Platform.Windows:
-                        if (!OperatingSystem.IsWindows()) return false;
-
-                        var windowsIdentity = WindowsIdentity.GetCurrent();
-                        var windowsPrincipal = new WindowsPrincipal(windowsIdentity);
-
-                        return windowsPrincipal.IsInRole(WindowsBuiltInRole.Administrator);
-
-                    case RuntimeInfo.Platform.macOS:
-                    case RuntimeInfo.Platform.Linux:
-                        return Mono.Unix.Native.Syscall.geteuid() == 0;
-                }
-            }
-            catch
-            {
-            }
-
-            return false;
-        }
-
         private partial class ElevatedPrivilegesNotification : SimpleNotification
         {
             public override bool IsImportant => true;

osu.Desktop/Updater/SquirrelUpdateManager.cs

@@ -1,180 +0,0 @@
-// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
-// See the LICENCE file in the repository root for full licence text.
-
-using System;
-using System.Runtime.Versioning;
-using System.Threading.Tasks;
-using osu.Framework.Allocation;
-using osu.Framework.Logging;
-using osu.Game;
-using osu.Game.Overlays;
-using osu.Game.Overlays.Notifications;
-using osu.Game.Screens.Play;
-using Squirrel;
-using Squirrel.SimpleSplat;
-using LogLevel = Squirrel.SimpleSplat.LogLevel;
-using UpdateManager = osu.Game.Updater.UpdateManager;
-
-namespace osu.Desktop.Updater
-{
-    [SupportedOSPlatform("windows")]
-    public partial class SquirrelUpdateManager : UpdateManager
-    {
-        private Squirrel.UpdateManager? updateManager;
-        private INotificationOverlay notificationOverlay = null!;
-
-        public Task PrepareUpdateAsync() => Squirrel.UpdateManager.RestartAppWhenExited();
-
-        private static readonly Logger logger = Logger.GetLogger("updater");
-
-        /// <summary>
-        /// Whether an update has been downloaded but not yet applied.
-        /// </summary>
-        private bool updatePending;
-
-        private readonly SquirrelLogger squirrelLogger = new SquirrelLogger();
-
-        [Resolved]
-        private OsuGameBase game { get; set; } = null!;
-
-        [Resolved]
-        private ILocalUserPlayInfo? localUserInfo { get; set; }
-
-        [BackgroundDependencyLoader]
-        private void load(INotificationOverlay notifications)
-        {
-            notificationOverlay = notifications;
-
-            SquirrelLocator.CurrentMutable.Register(() => squirrelLogger, typeof(ILogger));
-        }
-
-        protected override async Task<bool> PerformUpdateCheck() => await checkForUpdateAsync().ConfigureAwait(false);
-
-        private async Task<bool> checkForUpdateAsync(bool useDeltaPatching = true, UpdateProgressNotification? notification = null)
-        {
-            // should we schedule a retry on completion of this check?
-            bool scheduleRecheck = true;
-
-            const string? github_token = null; // TODO: populate.
-
-            try
-            {
-                // Avoid any kind of update checking while gameplay is running.
-                if (localUserInfo?.IsPlaying.Value == true)
-                    return false;
-
-                updateManager ??= new GithubUpdateManager(@"https://github.com/ppy/osu", false, github_token, @"osulazer");
-
-                var info = await updateManager.CheckForUpdate(!useDeltaPatching).ConfigureAwait(false);
-
-                if (info.ReleasesToApply.Count == 0)
-                {
-                    if (updatePending)
-                    {
-                        // the user may have dismissed the completion notice, so show it again.
-                        notificationOverlay.Post(new UpdateApplicationCompleteNotification
-                        {
-                            Activated = () =>
-                            {
-                                restartToApplyUpdate();
-                                return true;
-                            },
-                        });
-                        return true;
-                    }
-
-                    // no updates available. bail and retry later.
-                    return false;
-                }
-
-                scheduleRecheck = false;
-
-                if (notification == null)
-                {
-                    notification = new UpdateProgressNotification
-                    {
-                        CompletionClickAction = restartToApplyUpdate,
-                    };
-
-                    Schedule(() => notificationOverlay.Post(notification));
-                }
-
-                notification.StartDownload();
-
-                try
-                {
-                    await updateManager.DownloadReleases(info.ReleasesToApply, p => notification.Progress = p / 100f).ConfigureAwait(false);
-
-                    notification.StartInstall();
-
-                    await updateManager.ApplyReleases(info, p => notification.Progress = p / 100f).ConfigureAwait(false);
-
-                    notification.State = ProgressNotificationState.Completed;
-                    updatePending = true;
-                }
-                catch (Exception e)
-                {
-                    if (useDeltaPatching)
-                    {
-                        logger.Add(@"delta patching failed; will attempt full download!");
-
-                        // could fail if deltas are unavailable for full update path (https://github.com/Squirrel/Squirrel.Windows/issues/959)
-                        // try again without deltas.
-                        await checkForUpdateAsync(false, notification).ConfigureAwait(false);
-                    }
-                    else
-                    {
-                        // In the case of an error, a separate notification will be displayed.
-                        notification.FailDownload();
-                        Logger.Error(e, @"update failed!");
-                    }
-                }
-            }
-            catch (Exception)
-            {
-                // we'll ignore this and retry later. can be triggered by no internet connection or thread abortion.
-                scheduleRecheck = true;
-            }
-            finally
-            {
-                if (scheduleRecheck)
-                {
-                    // check again in 30 minutes.
-                    Scheduler.AddDelayed(() => Task.Run(async () => await checkForUpdateAsync().ConfigureAwait(false)), 60000 * 30);
-                }
-            }
-
-            return true;
-        }
-
-        private bool restartToApplyUpdate()
-        {
-            PrepareUpdateAsync()
-                .ContinueWith(_ => Schedule(() => game.AttemptExit()));
-            return true;
-        }
-
-        protected override void Dispose(bool isDisposing)
-        {
-            base.Dispose(isDisposing);
-            updateManager?.Dispose();
-        }
-
-        private class SquirrelLogger : ILogger, IDisposable
-        {
-            public LogLevel Level { get; set; } = LogLevel.Info;
-
-            public void Write(string message, LogLevel logLevel)
-            {
-                if (logLevel < Level)
-                    return;
-
-                logger.Add(message);
-            }
-
-            public void Dispose()
-            {
-            }
-        }
-    }
-}

osu.Desktop/Updater/VelopackUpdateManager.cs

@@ -0,0 +1,148 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System;
+using System.Threading.Tasks;
+using osu.Framework.Allocation;
+using osu.Framework.Logging;
+using osu.Game;
+using osu.Game.Overlays;
+using osu.Game.Overlays.Notifications;
+using osu.Game.Screens.Play;
+using Velopack;
+using Velopack.Sources;
+
+namespace osu.Desktop.Updater
+{
+    public partial class VelopackUpdateManager : Game.Updater.UpdateManager
+    {
+        private readonly UpdateManager updateManager;
+        private INotificationOverlay notificationOverlay = null!;
+
+        [Resolved]
+        private OsuGameBase game { get; set; } = null!;
+
+        [Resolved]
+        private ILocalUserPlayInfo? localUserInfo { get; set; }
+
+        private bool isInGameplay => localUserInfo?.PlayingState.Value != LocalUserPlayingState.NotPlaying;
+
+        private UpdateInfo? pendingUpdate;
+
+        public VelopackUpdateManager()
+        {
+            updateManager = new UpdateManager(new GithubSource(@"https://github.com/ppy/osu", null, false), new UpdateOptions
+            {
+                AllowVersionDowngrade = true,
+            });
+        }
+
+        [BackgroundDependencyLoader]
+        private void load(INotificationOverlay notifications)
+        {
+            notificationOverlay = notifications;
+        }
+
+        protected override async Task<bool> PerformUpdateCheck() => await checkForUpdateAsync().ConfigureAwait(false);
+
+        private async Task<bool> checkForUpdateAsync()
+        {
+            // whether to check again in 30 minutes. generally only if there's an error or no update was found (yet).
+            bool scheduleRecheck = false;
+
+            try
+            {
+                // Avoid any kind of update checking while gameplay is running.
+                if (isInGameplay)
+                {
+                    scheduleRecheck = true;
+                    return true;
+                }
+
+                // TODO: we should probably be checking if there's a more recent update, rather than shortcutting here.
+                // Velopack does support this scenario (see https://github.com/ppy/osu/pull/28743#discussion_r1743495975).
+                if (pendingUpdate != null)
+                {
+                    // If there is an update pending restart, show the notification to restart again.
+                    notificationOverlay.Post(new UpdateApplicationCompleteNotification
+                    {
+                        Activated = () =>
+                        {
+                            Task.Run(restartToApplyUpdate);
+                            return true;
+                        }
+                    });
+
+                    return true;
+                }
+
+                pendingUpdate = await updateManager.CheckForUpdatesAsync().ConfigureAwait(false);
+
+                // No update is available. We'll check again later.
+                if (pendingUpdate == null)
+                {
+                    scheduleRecheck = true;
+                    return false;
+                }
+
+                // An update is found, let's notify the user and start downloading it.
+                UpdateProgressNotification notification = new UpdateProgressNotification
+                {
+                    CompletionClickAction = () =>
+                    {
+                        Task.Run(restartToApplyUpdate);
+                        return true;
+                    },
+                };
+
+                runOutsideOfGameplay(() => notificationOverlay.Post(notification));
+                notification.StartDownload();
+
+                try
+                {
+                    await updateManager.DownloadUpdatesAsync(pendingUpdate, p => notification.Progress = p / 100f).ConfigureAwait(false);
+                    runOutsideOfGameplay(() => notification.State = ProgressNotificationState.Completed);
+                }
+                catch (Exception e)
+                {
+                    // In the case of an error, a separate notification will be displayed.
+                    scheduleRecheck = true;
+                    notification.FailDownload();
+                    Logger.Error(e, @"update failed!");
+                }
+            }
+            catch (Exception e)
+            {
+                // we'll ignore this and retry later. can be triggered by no internet connection or thread abortion.
+                scheduleRecheck = true;
+                Logger.Log($@"update check failed ({e.Message})");
+            }
+            finally
+            {
+                if (scheduleRecheck)
+                {
+                    Scheduler.AddDelayed(() => Task.Run(async () => await checkForUpdateAsync().ConfigureAwait(false)), 60000 * 30);
+                }
+            }
+
+            return true;
+        }
+
+        private void runOutsideOfGameplay(Action action)
+        {
+            if (isInGameplay)
+            {
+                Scheduler.AddDelayed(() => runOutsideOfGameplay(action), 1000);
+                return;
+            }
+
+            action();
+        }
+
+        private async Task restartToApplyUpdate()
+        {
+            await updateManager.WaitExitThenApplyUpdatesAsync(pendingUpdate?.TargetFullRelease).ConfigureAwait(false);
+            Schedule(() => game.AttemptExit());
+        }
+    }
+}

osu.Desktop/Windows/GameplayWinKeyBlocker.cs

@@ -13,7 +13,7 @@ namespace osu.Desktop.Windows
     public partial class GameplayWinKeyBlocker : Component
     {
         private Bindable<bool> disableWinKey = null!;
-        private IBindable<bool> localUserPlaying = null!;
+        private IBindable<LocalUserPlayingState> localUserPlaying = null!;
         private IBindable<bool> isActive = null!;
 
         [Resolved]
@@ -22,7 +22,7 @@ namespace osu.Desktop.Windows
         [BackgroundDependencyLoader]
         private void load(ILocalUserPlayInfo localUserInfo, OsuConfigManager config)
         {
-            localUserPlaying = localUserInfo.IsPlaying.GetBoundCopy();
+            localUserPlaying = localUserInfo.PlayingState.GetBoundCopy();
             localUserPlaying.BindValueChanged(_ => updateBlocking());
 
             isActive = host.IsActive.GetBoundCopy();
@@ -34,7 +34,7 @@ namespace osu.Desktop.Windows
 
         private void updateBlocking()
         {
-            bool shouldDisable = isActive.Value && disableWinKey.Value && localUserPlaying.Value;
+            bool shouldDisable = isActive.Value && disableWinKey.Value && localUserPlaying.Value == LocalUserPlayingState.Playing;
 
             if (shouldDisable)
                 host.InputThread.Scheduler.Add(WindowsKey.Disable);