From 81e842f6b4bab33100c8f79eae63c6ab41155730 Mon Sep 17 00:00:00 2001
From: Dean Herbert <pe@ppy.sh>
Date: Thu, 19 Dec 2019 19:48:48 +0900
Subject: [PATCH 1/4] Fix waveform test beatmap accessing zip archive across
 multiple threads

---
 .../Editor/TestSceneEditorComposeTimeline.cs  | 14 +++-----
 osu.Game.Tests/WaveformTestBeatmap.cs         | 32 +++++++++++--------
 2 files changed, 24 insertions(+), 22 deletions(-)

diff --git a/osu.Game.Tests/Visual/Editor/TestSceneEditorComposeTimeline.cs b/osu.Game.Tests/Visual/Editor/TestSceneEditorComposeTimeline.cs
index e618256c03..ed6bc5fe0c 100644
--- a/osu.Game.Tests/Visual/Editor/TestSceneEditorComposeTimeline.cs
+++ b/osu.Game.Tests/Visual/Editor/TestSceneEditorComposeTimeline.cs
@@ -68,8 +68,11 @@ namespace osu.Game.Tests.Visual.Editor
         {
             private readonly Drawable marker;
 
-            private readonly IBindable<WorkingBeatmap> beatmap = new Bindable<WorkingBeatmap>();
-            private IAdjustableClock adjustableClock;
+            [Resolved]
+            private IBindable<WorkingBeatmap> beatmap { get; set; }
+
+            [Resolved]
+            private IAdjustableClock adjustableClock { get; set; }
 
             public AudioVisualiser()
             {
@@ -91,13 +94,6 @@ namespace osu.Game.Tests.Visual.Editor
                 };
             }
 
-            [BackgroundDependencyLoader]
-            private void load(IAdjustableClock adjustableClock, IBindable<WorkingBeatmap> beatmap)
-            {
-                this.adjustableClock = adjustableClock;
-                this.beatmap.BindTo(beatmap);
-            }
-
             protected override void Update()
             {
                 base.Update();
diff --git a/osu.Game.Tests/WaveformTestBeatmap.cs b/osu.Game.Tests/WaveformTestBeatmap.cs
index 0d16a78f75..59f322e24c 100644
--- a/osu.Game.Tests/WaveformTestBeatmap.cs
+++ b/osu.Game.Tests/WaveformTestBeatmap.cs
@@ -20,23 +20,21 @@ namespace osu.Game.Tests
     /// </summary>
     public class WaveformTestBeatmap : WorkingBeatmap
     {
-        private readonly ZipArchiveReader reader;
-        private readonly Stream stream;
         private readonly ITrackStore trackStore;
 
+        private Stream getStream() => TestResources.GetTestBeatmapStream();
+
+        private ZipArchiveReader getZipReader() => new ZipArchiveReader(getStream());
+
         public WaveformTestBeatmap(AudioManager audioManager)
             : base(new BeatmapInfo(), audioManager)
         {
-            stream = TestResources.GetTestBeatmapStream();
-            reader = new ZipArchiveReader(stream);
-            trackStore = audioManager.GetTrackStore(reader);
+            trackStore = audioManager.GetTrackStore(getZipReader());
         }
 
         protected override void Dispose(bool isDisposing)
         {
             base.Dispose(isDisposing);
-            stream?.Dispose();
-            reader?.Dispose();
             trackStore?.Dispose();
         }
 
@@ -50,15 +48,23 @@ namespace osu.Game.Tests
 
         protected override Track GetTrack() => trackStore.Get(firstAudioFile);
 
-        private string firstAudioFile => reader.Filenames.First(f => f.EndsWith(".mp3"));
-
-        private Stream getBeatmapStream() => reader.GetStream(reader.Filenames.First(f => f.EndsWith(".osu")));
+        private string firstAudioFile
+        {
+            get
+            {
+                using (var reader = getZipReader())
+                    return reader.Filenames.First(f => f.EndsWith(".mp3"));
+            }
+        }
 
         private Beatmap createTestBeatmap()
         {
-            using (var beatmapStream = getBeatmapStream())
-            using (var beatmapReader = new LineBufferedReader(beatmapStream))
-                return Decoder.GetDecoder<Beatmap>(beatmapReader).Decode(beatmapReader);
+            using (var reader = getZipReader())
+            {
+                using (var beatmapStream = reader.GetStream(reader.Filenames.First(f => f.EndsWith(".osu"))))
+                using (var beatmapReader = new LineBufferedReader(beatmapStream))
+                    return Decoder.GetDecoder<Beatmap>(beatmapReader).Decode(beatmapReader);
+            }
         }
     }
 }

From 351e826120093ea0fb383f37237b361d4debd741 Mon Sep 17 00:00:00 2001
From: Huo Yaoyuan <huoyaoyuan@hotmail.com>
Date: Mon, 16 Dec 2019 15:28:18 +0800
Subject: [PATCH 2/4] Upgrade project targets to netcoreapp3.1

---
 .../CatchRuleset__Tests_.xml                  |  4 +--
 .../ManiaRuleset__Tests_.xml                  |  4 +--
 .../runConfigurations/OsuRuleset__Tests_.xml  |  4 +--
 .../TaikoRuleset__Tests_.xml                  |  4 +--
 .../.idea/runConfigurations/Tournament.xml    |  4 +--
 .../runConfigurations/Tournament__Tests_.xml  |  4 +--
 .../.idea/runConfigurations/osu_.xml          |  4 +--
 .../.idea/runConfigurations/osu___Tests_.xml  |  4 +--
 .vscode/launch.json                           | 32 +++++++++----------
 .vscode/tasks.json                            |  2 +-
 README.md                                     |  4 +--
 osu.Desktop/osu.Desktop.csproj                |  2 +-
 .../osu.Game.Rulesets.Catch.Tests.csproj      |  2 +-
 .../osu.Game.Rulesets.Mania.Tests.csproj      |  2 +-
 .../osu.Game.Rulesets.Osu.Tests.csproj        |  2 +-
 .../osu.Game.Rulesets.Taiko.Tests.csproj      |  2 +-
 osu.Game.Tests/osu.Game.Tests.csproj          |  2 +-
 .../osu.Game.Tournament.Tests.csproj          |  2 +-
 18 files changed, 42 insertions(+), 42 deletions(-)

diff --git a/.idea/.idea.osu.Desktop/.idea/runConfigurations/CatchRuleset__Tests_.xml b/.idea/.idea.osu.Desktop/.idea/runConfigurations/CatchRuleset__Tests_.xml
index 5372b6f28a..a4154623b6 100644
--- a/.idea/.idea.osu.Desktop/.idea/runConfigurations/CatchRuleset__Tests_.xml
+++ b/.idea/.idea.osu.Desktop/.idea/runConfigurations/CatchRuleset__Tests_.xml
@@ -1,6 +1,6 @@
 <component name="ProjectRunConfigurationManager">
   <configuration default="false" name="CatchRuleset (Tests)" type="DotNetProject" factoryName=".NET Project" folderName="Ruleset">
-    <option name="EXE_PATH" value="$PROJECT_DIR$/osu.Game.Rulesets.Catch.Tests/bin/Debug/netcoreapp3.0/osu.Game.Rulesets.Catch.Tests.dll" />
+    <option name="EXE_PATH" value="$PROJECT_DIR$/osu.Game.Rulesets.Catch.Tests/bin/Debug/netcoreapp3.1/osu.Game.Rulesets.Catch.Tests.dll" />
     <option name="PROGRAM_PARAMETERS" value="" />
     <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$/osu.Game.Rulesets.Catch.Tests" />
     <option name="PASS_PARENT_ENVS" value="1" />
@@ -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=".NETCoreApp,Version=v3.0" />
+    <option name="PROJECT_TFM" value=".NETCoreApp,Version=v3.1" />
     <browser url="http://localhost:5000" />
     <method v="2">
       <option name="Build" enabled="true" />
diff --git a/.idea/.idea.osu.Desktop/.idea/runConfigurations/ManiaRuleset__Tests_.xml b/.idea/.idea.osu.Desktop/.idea/runConfigurations/ManiaRuleset__Tests_.xml
index 45a94f37c0..080dc04001 100644
--- a/.idea/.idea.osu.Desktop/.idea/runConfigurations/ManiaRuleset__Tests_.xml
+++ b/.idea/.idea.osu.Desktop/.idea/runConfigurations/ManiaRuleset__Tests_.xml
@@ -1,6 +1,6 @@
 <component name="ProjectRunConfigurationManager">
   <configuration default="false" name="ManiaRuleset (Tests)" type="DotNetProject" factoryName=".NET Project" folderName="Ruleset">
-    <option name="EXE_PATH" value="$PROJECT_DIR$/osu.Game.Rulesets.Mania.Tests/bin/Debug/netcoreapp3.0/osu.Game.Rulesets.Mania.Tests.dll" />
+    <option name="EXE_PATH" value="$PROJECT_DIR$/osu.Game.Rulesets.Mania.Tests/bin/Debug/netcoreapp3.1/osu.Game.Rulesets.Mania.Tests.dll" />
     <option name="PROGRAM_PARAMETERS" value="" />
     <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$/osu.Game.Rulesets.Mania.Tests" />
     <option name="PASS_PARENT_ENVS" value="1" />
@@ -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=".NETCoreApp,Version=v3.0" />
+    <option name="PROJECT_TFM" value=".NETCoreApp,Version=v3.1" />
     <browser url="http://localhost:5000" />
     <method v="2">
       <option name="Build" enabled="true" />
diff --git a/.idea/.idea.osu.Desktop/.idea/runConfigurations/OsuRuleset__Tests_.xml b/.idea/.idea.osu.Desktop/.idea/runConfigurations/OsuRuleset__Tests_.xml
index 1f09381e08..3de6a7e609 100644
--- a/.idea/.idea.osu.Desktop/.idea/runConfigurations/OsuRuleset__Tests_.xml
+++ b/.idea/.idea.osu.Desktop/.idea/runConfigurations/OsuRuleset__Tests_.xml
@@ -1,6 +1,6 @@
 <component name="ProjectRunConfigurationManager">
   <configuration default="false" name="OsuRuleset (Tests)" type="DotNetProject" factoryName=".NET Project" folderName="Ruleset">
-    <option name="EXE_PATH" value="$PROJECT_DIR$/osu.Game.Rulesets.Osu.Tests/bin/Debug/netcoreapp3.0/osu.Game.Rulesets.Osu.Tests.dll" />
+    <option name="EXE_PATH" value="$PROJECT_DIR$/osu.Game.Rulesets.Osu.Tests/bin/Debug/netcoreapp3.1/osu.Game.Rulesets.Osu.Tests.dll" />
     <option name="PROGRAM_PARAMETERS" value="" />
     <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$/osu.Game.Rulesets.Osu.Tests" />
     <option name="PASS_PARENT_ENVS" value="1" />
@@ -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=".NETCoreApp,Version=v3.0" />
+    <option name="PROJECT_TFM" value=".NETCoreApp,Version=v3.1" />
     <browser url="http://localhost:5000" />
     <method v="2">
       <option name="Build" enabled="true" />
diff --git a/.idea/.idea.osu.Desktop/.idea/runConfigurations/TaikoRuleset__Tests_.xml b/.idea/.idea.osu.Desktop/.idea/runConfigurations/TaikoRuleset__Tests_.xml
index ba530f0ddf..da14c2a29e 100644
--- a/.idea/.idea.osu.Desktop/.idea/runConfigurations/TaikoRuleset__Tests_.xml
+++ b/.idea/.idea.osu.Desktop/.idea/runConfigurations/TaikoRuleset__Tests_.xml
@@ -1,6 +1,6 @@
 <component name="ProjectRunConfigurationManager">
   <configuration default="false" name="TaikoRuleset (Tests)" type="DotNetProject" factoryName=".NET Project" folderName="Ruleset">
-    <option name="EXE_PATH" value="$PROJECT_DIR$/osu.Game.Rulesets.Taiko.Tests/bin/Debug/netcoreapp3.0/osu.Game.Rulesets.Taiko.Tests.dll" />
+    <option name="EXE_PATH" value="$PROJECT_DIR$/osu.Game.Rulesets.Taiko.Tests/bin/Debug/netcoreapp3.1/osu.Game.Rulesets.Taiko.Tests.dll" />
     <option name="PROGRAM_PARAMETERS" value="" />
     <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$/osu.Game.Rulesets.Taiko.Tests" />
     <option name="PASS_PARENT_ENVS" value="1" />
@@ -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=".NETCoreApp,Version=v3.0" />
+    <option name="PROJECT_TFM" value=".NETCoreApp,Version=v3.1" />
     <browser url="http://localhost:5000" />
     <method v="2">
       <option name="Build" enabled="true" />
diff --git a/.idea/.idea.osu.Desktop/.idea/runConfigurations/Tournament.xml b/.idea/.idea.osu.Desktop/.idea/runConfigurations/Tournament.xml
index 89d5b45f67..45d1ce25e9 100644
--- a/.idea/.idea.osu.Desktop/.idea/runConfigurations/Tournament.xml
+++ b/.idea/.idea.osu.Desktop/.idea/runConfigurations/Tournament.xml
@@ -1,6 +1,6 @@
 <component name="ProjectRunConfigurationManager">
   <configuration default="false" name="Tournament" type="DotNetProject" factoryName=".NET Project" folderName="Tournament">
-    <option name="EXE_PATH" value="$PROJECT_DIR$/osu.Desktop/bin/Debug/netcoreapp3.0/osu!.dll" />
+    <option name="EXE_PATH" value="$PROJECT_DIR$/osu.Desktop/bin/Debug/netcoreapp3.1/osu!.dll" />
     <option name="PROGRAM_PARAMETERS" value="--tournament" />
     <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$/osu.Desktop" />
     <option name="PASS_PARENT_ENVS" value="1" />
@@ -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=".NETCoreApp,Version=v3.0" />
+    <option name="PROJECT_TFM" value=".NETCoreApp,Version=v3.1" />
     <method v="2">
       <option name="Build" enabled="true" />
     </method>
diff --git a/.idea/.idea.osu.Desktop/.idea/runConfigurations/Tournament__Tests_.xml b/.idea/.idea.osu.Desktop/.idea/runConfigurations/Tournament__Tests_.xml
index e2628a1bb4..ba80f7c100 100644
--- a/.idea/.idea.osu.Desktop/.idea/runConfigurations/Tournament__Tests_.xml
+++ b/.idea/.idea.osu.Desktop/.idea/runConfigurations/Tournament__Tests_.xml
@@ -1,6 +1,6 @@
 <component name="ProjectRunConfigurationManager">
   <configuration default="false" name="Tournament (Tests)" type="DotNetProject" factoryName=".NET Project" folderName="Tournament">
-    <option name="EXE_PATH" value="$PROJECT_DIR$/osu.Game.Tournament.Tests/bin/Debug/netcoreapp2.1/osu.Game.Tournament.Tests.dll" />
+    <option name="EXE_PATH" value="$PROJECT_DIR$/osu.Game.Tournament.Tests/bin/Debug/netcoreapp3.1/osu.Game.Tournament.Tests.dll" />
     <option name="PROGRAM_PARAMETERS" value="" />
     <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$/osu.Game.Tournament.Tests" />
     <option name="PASS_PARENT_ENVS" value="1" />
@@ -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=".NETCoreApp,Version=v2.1" />
+    <option name="PROJECT_TFM" value=".NETCoreApp,Version=v3.1" />
     <browser url="http://localhost:5000" />
     <method v="2">
       <option name="Build" enabled="true" />
diff --git a/.idea/.idea.osu.Desktop/.idea/runConfigurations/osu_.xml b/.idea/.idea.osu.Desktop/.idea/runConfigurations/osu_.xml
index f1d0957b8e..911c3ed9b7 100644
--- a/.idea/.idea.osu.Desktop/.idea/runConfigurations/osu_.xml
+++ b/.idea/.idea.osu.Desktop/.idea/runConfigurations/osu_.xml
@@ -1,6 +1,6 @@
 <component name="ProjectRunConfigurationManager">
   <configuration default="false" name="osu!" type="DotNetProject" factoryName=".NET Project" folderName="osu!">
-    <option name="EXE_PATH" value="$PROJECT_DIR$/osu.Desktop/bin/Debug/netcoreapp3.0/osu!.dll" />
+    <option name="EXE_PATH" value="$PROJECT_DIR$/osu.Desktop/bin/Debug/netcoreapp3.1/osu!.dll" />
     <option name="PROGRAM_PARAMETERS" value="" />
     <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$/osu.Desktop" />
     <option name="PASS_PARENT_ENVS" value="1" />
@@ -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=".NETCoreApp,Version=v3.0" />
+    <option name="PROJECT_TFM" value=".NETCoreApp,Version=v3.1" />
     <method v="2">
       <option name="Build" enabled="true" />
     </method>
diff --git a/.idea/.idea.osu.Desktop/.idea/runConfigurations/osu___Tests_.xml b/.idea/.idea.osu.Desktop/.idea/runConfigurations/osu___Tests_.xml
index 23b49abcad..ec3c81f4cd 100644
--- a/.idea/.idea.osu.Desktop/.idea/runConfigurations/osu___Tests_.xml
+++ b/.idea/.idea.osu.Desktop/.idea/runConfigurations/osu___Tests_.xml
@@ -1,6 +1,6 @@
 <component name="ProjectRunConfigurationManager">
   <configuration default="false" name="osu! (Tests)" type="DotNetProject" factoryName=".NET Project" folderName="osu!">
-    <option name="EXE_PATH" value="$PROJECT_DIR$/osu.Game.Tests/bin/Debug/netcoreapp3.0/osu.Game.Tests.dll" />
+    <option name="EXE_PATH" value="$PROJECT_DIR$/osu.Game.Tests/bin/Debug/netcoreapp3.1/osu.Game.Tests.dll" />
     <option name="PROGRAM_PARAMETERS" value="" />
     <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$/osu.Game.Tests" />
     <option name="PASS_PARENT_ENVS" value="1" />
@@ -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=".NETCoreApp,Version=v3.0" />
+    <option name="PROJECT_TFM" value=".NETCoreApp,Version=v3.1" />
     <method v="2">
       <option name="Build" enabled="true" />
     </method>
diff --git a/.vscode/launch.json b/.vscode/launch.json
index 5940df2191..e7b691909e 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -6,13 +6,13 @@
             "request": "launch",
             "program": "dotnet",
             "args": [
-                "${workspaceRoot}/osu.Desktop/bin/Debug/netcoreapp3.0/osu!.dll"
+                "${workspaceRoot}/osu.Desktop/bin/Debug/netcoreapp3.1/osu!.dll"
             ],
             "cwd": "${workspaceRoot}",
             "preLaunchTask": "Build osu! (Debug)",
             "linux": {
                 "env": {
-                    "LD_LIBRARY_PATH": "${workspaceRoot}/osu.Desktop/bin/Debug/netcoreapp3.0:${env:LD_LIBRARY_PATH}"
+                    "LD_LIBRARY_PATH": "${workspaceRoot}/osu.Desktop/bin/Debug/netcoreapp3.1:${env:LD_LIBRARY_PATH}"
                 }
             },
             "console": "internalConsole"
@@ -23,13 +23,13 @@
             "request": "launch",
             "program": "dotnet",
             "args": [
-                "${workspaceRoot}/osu.Desktop/bin/Release/netcoreapp3.0/osu!.dll"
+                "${workspaceRoot}/osu.Desktop/bin/Release/netcoreapp3.1/osu!.dll"
             ],
             "cwd": "${workspaceRoot}",
             "preLaunchTask": "Build osu! (Release)",
             "linux": {
                 "env": {
-                    "LD_LIBRARY_PATH": "${workspaceRoot}/osu.Desktop/bin/Release/netcoreapp3.0:${env:LD_LIBRARY_PATH}"
+                    "LD_LIBRARY_PATH": "${workspaceRoot}/osu.Desktop/bin/Release/netcoreapp3.1:${env:LD_LIBRARY_PATH}"
                 }
             },
             "console": "internalConsole"
@@ -40,13 +40,13 @@
             "request": "launch",
             "program": "dotnet",
             "args": [
-                "${workspaceRoot}/osu.Game.Tests/bin/Debug/netcoreapp3.0/osu.Game.Tests.dll"
+                "${workspaceRoot}/osu.Game.Tests/bin/Debug/netcoreapp3.1/osu.Game.Tests.dll"
             ],
             "cwd": "${workspaceRoot}",
             "preLaunchTask": "Build tests (Debug)",
             "linux": {
                 "env": {
-                    "LD_LIBRARY_PATH": "${workspaceRoot}/osu.Game.Tests/bin/Debug/netcoreapp3.0:${env:LD_LIBRARY_PATH}"
+                    "LD_LIBRARY_PATH": "${workspaceRoot}/osu.Game.Tests/bin/Debug/netcoreapp3.1:${env:LD_LIBRARY_PATH}"
                 }
             },
             "console": "internalConsole"
@@ -56,13 +56,13 @@
             "request": "launch",
             "program": "dotnet",
             "args": [
-                "${workspaceRoot}/osu.Game.Tests/bin/Release/netcoreapp3.0/osu.Game.Tests.dll"
+                "${workspaceRoot}/osu.Game.Tests/bin/Release/netcoreapp3.1/osu.Game.Tests.dll"
             ],
             "cwd": "${workspaceRoot}",
             "preLaunchTask": "Build tests (Release)",
             "linux": {
                 "env": {
-                    "LD_LIBRARY_PATH": "${workspaceRoot}/osu.Game.Tests/bin/Release/netcoreapp3.0:${env:LD_LIBRARY_PATH}"
+                    "LD_LIBRARY_PATH": "${workspaceRoot}/osu.Game.Tests/bin/Release/netcoreapp3.1:${env:LD_LIBRARY_PATH}"
                 }
             },
             "console": "internalConsole"
@@ -73,14 +73,14 @@
             "request": "launch",
             "program": "dotnet",
             "args": [
-                "${workspaceRoot}/osu.Desktop/bin/Debug/netcoreapp3.0/osu!.dll",
+                "${workspaceRoot}/osu.Desktop/bin/Debug/netcoreapp3.1/osu!.dll",
                 "--tournament"
             ],
             "cwd": "${workspaceRoot}",
             "preLaunchTask": "Build osu! (Debug)",
             "linux": {
                 "env": {
-                    "LD_LIBRARY_PATH": "${workspaceRoot}/osu.Desktop/bin/Debug/netcoreapp3.0:${env:LD_LIBRARY_PATH}"
+                    "LD_LIBRARY_PATH": "${workspaceRoot}/osu.Desktop/bin/Debug/netcoreapp3.1:${env:LD_LIBRARY_PATH}"
                 }
             },
             "console": "internalConsole"
@@ -91,14 +91,14 @@
             "request": "launch",
             "program": "dotnet",
             "args": [
-                "${workspaceRoot}/osu.Desktop/bin/Release/netcoreapp3.0/osu!.dll",
+                "${workspaceRoot}/osu.Desktop/bin/Release/netcoreapp3.1/osu!.dll",
                 "--tournament"
             ],
             "cwd": "${workspaceRoot}",
             "preLaunchTask": "Build osu! (Release)",
             "linux": {
                 "env": {
-                    "LD_LIBRARY_PATH": "${workspaceRoot}/osu.Desktop/bin/Release/netcoreapp3.0:${env:LD_LIBRARY_PATH}"
+                    "LD_LIBRARY_PATH": "${workspaceRoot}/osu.Desktop/bin/Release/netcoreapp3.1:${env:LD_LIBRARY_PATH}"
                 }
             },
             "console": "internalConsole"
@@ -109,14 +109,14 @@
             "request": "launch",
             "program": "dotnet",
             "args": [
-                "${workspaceRoot}/osu.Game.Tournament.Tests/bin/Debug/netcoreapp3.0/osu.Game.Tournament.Tests.dll",
+                "${workspaceRoot}/osu.Game.Tournament.Tests/bin/Debug/netcoreapp3.1/osu.Game.Tournament.Tests.dll",
                 "--tournament"
             ],
             "cwd": "${workspaceRoot}",
             "preLaunchTask": "Build tournament tests (Debug)",
             "linux": {
                 "env": {
-                    "LD_LIBRARY_PATH": "${workspaceRoot}/osu.Game.Tournament.Tests/bin/Debug/netcoreapp3.0:${env:LD_LIBRARY_PATH}"
+                    "LD_LIBRARY_PATH": "${workspaceRoot}/osu.Game.Tournament.Tests/bin/Debug/netcoreapp3.1:${env:LD_LIBRARY_PATH}"
                 }
             },
             "console": "internalConsole"
@@ -127,14 +127,14 @@
             "request": "launch",
             "program": "dotnet",
             "args": [
-                "${workspaceRoot}/osu.Game.Tournament.Tests/bin/Debug/netcoreapp3.0/osu.Game.Tournament.Tests.dll",
+                "${workspaceRoot}/osu.Game.Tournament.Tests/bin/Debug/netcoreapp3.1/osu.Game.Tournament.Tests.dll",
                 "--tournament"
             ],
             "cwd": "${workspaceRoot}",
             "preLaunchTask": "Build tournament tests (Release)",
             "linux": {
                 "env": {
-                    "LD_LIBRARY_PATH": "${workspaceRoot}/osu.Game.Tournament.Tests/bin/Debug/netcoreapp3.0:${env:LD_LIBRARY_PATH}"
+                    "LD_LIBRARY_PATH": "${workspaceRoot}/osu.Game.Tournament.Tests/bin/Debug/netcoreapp3.1:${env:LD_LIBRARY_PATH}"
                 }
             },
             "console": "internalConsole"
diff --git a/.vscode/tasks.json b/.vscode/tasks.json
index 04ff7c1bea..c087800d2a 100644
--- a/.vscode/tasks.json
+++ b/.vscode/tasks.json
@@ -95,7 +95,7 @@
             "problemMatcher": "$msCompile"
         },
         {
-            "label": "Restore (netcoreapp3.0)",
+            "label": "Restore (netcoreapp3.1)",
             "type": "shell",
             "command": "dotnet",
             "args": [
diff --git a/README.md b/README.md
index 753dee548b..67027bb9f3 100644
--- a/README.md
+++ b/README.md
@@ -21,9 +21,9 @@ Detailed changelogs are published on the [official osu! site](https://osu.ppy.sh
 
 ## Requirements
 
-- A desktop platform with the [.NET Core SDK 3.0](https://www.microsoft.com/net/learn/get-started) or higher installed.
+- A desktop platform with the [.NET Core 3.1 SDK](https://dotnet.microsoft.com/download) or higher installed.
 - When running on Linux, please have a system-wide FFmpeg installation available to support video decoding.
-- When running on Windows 7 or 8.1, **[additional prerequisites](https://docs.microsoft.com/en-us/dotnet/core/install/dependencies?tabs=netcore30&pivots=os-windows)** may be required to correctly run .NET Core applications if your operating system is not up-to-date with the latest service packs.
+- When running on Windows 7 or 8.1, **[additional prerequisites](https://docs.microsoft.com/en-us/dotnet/core/install/dependencies?tabs=netcore31&pivots=os-windows)** may be required to correctly run .NET Core applications if your operating system is not up-to-date with the latest service packs.
 - When developing with mobile, [Xamarin](https://docs.microsoft.com/en-us/xamarin/) is required, which is shipped together with Visual Studio or [Visual Studio for Mac](https://visualstudio.microsoft.com/vs/mac/).
 - When working with the codebase, we recommend using an IDE with intelligent code completion and syntax highlighting, such as [Visual Studio 2019+](https://visualstudio.microsoft.com/vs/), [JetBrains Rider](https://www.jetbrains.com/rider/) or [Visual Studio Code](https://code.visualstudio.com/).
 
diff --git a/osu.Desktop/osu.Desktop.csproj b/osu.Desktop/osu.Desktop.csproj
index 61299cc23f..da47ad8223 100644
--- a/osu.Desktop/osu.Desktop.csproj
+++ b/osu.Desktop/osu.Desktop.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup Label="Project">
-    <TargetFramework>netcoreapp3.0</TargetFramework>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
     <OutputType>WinExe</OutputType>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <Description>click the circles. to the beat.</Description>
diff --git a/osu.Game.Rulesets.Catch.Tests/osu.Game.Rulesets.Catch.Tests.csproj b/osu.Game.Rulesets.Catch.Tests/osu.Game.Rulesets.Catch.Tests.csproj
index 1dbe9b39ee..9559d13328 100644
--- a/osu.Game.Rulesets.Catch.Tests/osu.Game.Rulesets.Catch.Tests.csproj
+++ b/osu.Game.Rulesets.Catch.Tests/osu.Game.Rulesets.Catch.Tests.csproj
@@ -9,7 +9,7 @@
   </ItemGroup>
   <PropertyGroup Label="Project">
     <OutputType>WinExe</OutputType>
-    <TargetFramework>netcoreapp3.0</TargetFramework>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
   </PropertyGroup>
   <ItemGroup Label="Project References">
     <ProjectReference Include="..\osu.Game.Rulesets.Catch\osu.Game.Rulesets.Catch.csproj" />
diff --git a/osu.Game.Rulesets.Mania.Tests/osu.Game.Rulesets.Mania.Tests.csproj b/osu.Game.Rulesets.Mania.Tests/osu.Game.Rulesets.Mania.Tests.csproj
index 8fc4dbfe72..dea6e6c0fb 100644
--- a/osu.Game.Rulesets.Mania.Tests/osu.Game.Rulesets.Mania.Tests.csproj
+++ b/osu.Game.Rulesets.Mania.Tests/osu.Game.Rulesets.Mania.Tests.csproj
@@ -9,7 +9,7 @@
   </ItemGroup>
   <PropertyGroup Label="Project">
     <OutputType>WinExe</OutputType>
-    <TargetFramework>netcoreapp3.0</TargetFramework>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
   </PropertyGroup>
   <ItemGroup Label="Project References">
     <ProjectReference Include="..\osu.Game.Rulesets.Mania\osu.Game.Rulesets.Mania.csproj" />
diff --git a/osu.Game.Rulesets.Osu.Tests/osu.Game.Rulesets.Osu.Tests.csproj b/osu.Game.Rulesets.Osu.Tests/osu.Game.Rulesets.Osu.Tests.csproj
index fddf176fd0..9d4e016eae 100644
--- a/osu.Game.Rulesets.Osu.Tests/osu.Game.Rulesets.Osu.Tests.csproj
+++ b/osu.Game.Rulesets.Osu.Tests/osu.Game.Rulesets.Osu.Tests.csproj
@@ -9,7 +9,7 @@
   </ItemGroup>
   <PropertyGroup Label="Project">
     <OutputType>WinExe</OutputType>
-    <TargetFramework>netcoreapp3.0</TargetFramework>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
   </PropertyGroup>
   <ItemGroup Label="Project References">
     <ProjectReference Include="..\osu.Game.Rulesets.Osu\osu.Game.Rulesets.Osu.csproj" />
diff --git a/osu.Game.Rulesets.Taiko.Tests/osu.Game.Rulesets.Taiko.Tests.csproj b/osu.Game.Rulesets.Taiko.Tests/osu.Game.Rulesets.Taiko.Tests.csproj
index b5bd384e05..d728d65bfd 100644
--- a/osu.Game.Rulesets.Taiko.Tests/osu.Game.Rulesets.Taiko.Tests.csproj
+++ b/osu.Game.Rulesets.Taiko.Tests/osu.Game.Rulesets.Taiko.Tests.csproj
@@ -9,7 +9,7 @@
   </ItemGroup>
   <PropertyGroup Label="Project">
     <OutputType>WinExe</OutputType>
-    <TargetFramework>netcoreapp3.0</TargetFramework>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
   </PropertyGroup>
   <ItemGroup Label="Project References">
     <ProjectReference Include="..\osu.Game.Rulesets.Taiko\osu.Game.Rulesets.Taiko.csproj" />
diff --git a/osu.Game.Tests/osu.Game.Tests.csproj b/osu.Game.Tests/osu.Game.Tests.csproj
index c5998c9cfc..6c799e5e90 100644
--- a/osu.Game.Tests/osu.Game.Tests.csproj
+++ b/osu.Game.Tests/osu.Game.Tests.csproj
@@ -10,7 +10,7 @@
   </ItemGroup>
   <PropertyGroup Label="Project">
     <OutputType>WinExe</OutputType>
-    <TargetFramework>netcoreapp3.0</TargetFramework>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
   </PropertyGroup>
   <ItemGroup Label="Project References">
     <ProjectReference Include="..\osu.Game.Rulesets.Osu\osu.Game.Rulesets.Osu.csproj" />
diff --git a/osu.Game.Tournament.Tests/osu.Game.Tournament.Tests.csproj b/osu.Game.Tournament.Tests/osu.Game.Tournament.Tests.csproj
index d58a724c27..7ecfd6ef70 100644
--- a/osu.Game.Tournament.Tests/osu.Game.Tournament.Tests.csproj
+++ b/osu.Game.Tournament.Tests/osu.Game.Tournament.Tests.csproj
@@ -11,7 +11,7 @@
   </ItemGroup>
   <PropertyGroup Label="Project">
     <OutputType>WinExe</OutputType>
-    <TargetFramework>netcoreapp3.0</TargetFramework>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
   </PropertyGroup>
   <ItemGroup Label="Project References">
     <ProjectReference Include="..\osu.Game.Rulesets.Catch\osu.Game.Rulesets.Catch.csproj" />

From 0ebdf90dfa9d4ed99b6df992844fe16a85beaf33 Mon Sep 17 00:00:00 2001
From: smoogipoo <smoogipoo@smgi.me>
Date: Fri, 20 Dec 2019 18:07:39 +0900
Subject: [PATCH 3/4] Move methods below ctor

---
 osu.Game.Tests/WaveformTestBeatmap.cs | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/osu.Game.Tests/WaveformTestBeatmap.cs b/osu.Game.Tests/WaveformTestBeatmap.cs
index 59f322e24c..b7d7bb1ee1 100644
--- a/osu.Game.Tests/WaveformTestBeatmap.cs
+++ b/osu.Game.Tests/WaveformTestBeatmap.cs
@@ -22,10 +22,6 @@ namespace osu.Game.Tests
     {
         private readonly ITrackStore trackStore;
 
-        private Stream getStream() => TestResources.GetTestBeatmapStream();
-
-        private ZipArchiveReader getZipReader() => new ZipArchiveReader(getStream());
-
         public WaveformTestBeatmap(AudioManager audioManager)
             : base(new BeatmapInfo(), audioManager)
         {
@@ -38,6 +34,10 @@ namespace osu.Game.Tests
             trackStore?.Dispose();
         }
 
+        private Stream getStream() => TestResources.GetTestBeatmapStream();
+
+        private ZipArchiveReader getZipReader() => new ZipArchiveReader(getStream());
+
         protected override IBeatmap GetBeatmap() => createTestBeatmap();
 
         protected override Texture GetBackground() => null;

From 492a91067191708b5e4d1896181249a4c0fcb3ef Mon Sep 17 00:00:00 2001
From: Dean Herbert <pe@ppy.sh>
Date: Fri, 20 Dec 2019 19:08:05 +0900
Subject: [PATCH 4/4] Update missed launch configurations

---
 osu.Game.Rulesets.Catch.Tests/.vscode/launch.json | 4 ++--
 osu.Game.Rulesets.Mania.Tests/.vscode/launch.json | 4 ++--
 osu.Game.Rulesets.Osu.Tests/.vscode/launch.json   | 4 ++--
 osu.Game.Rulesets.Taiko.Tests/.vscode/launch.json | 4 ++--
 4 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/osu.Game.Rulesets.Catch.Tests/.vscode/launch.json b/osu.Game.Rulesets.Catch.Tests/.vscode/launch.json
index 4030d2d9e7..67d27c33eb 100644
--- a/osu.Game.Rulesets.Catch.Tests/.vscode/launch.json
+++ b/osu.Game.Rulesets.Catch.Tests/.vscode/launch.json
@@ -7,7 +7,7 @@
             "request": "launch",
             "program": "dotnet",
             "args": [
-                "${workspaceRoot}/bin/Debug/netcoreapp3.0/osu.Game.Rulesets.Catch.Tests.dll"
+                "${workspaceRoot}/bin/Debug/netcoreapp3.1/osu.Game.Rulesets.Catch.Tests.dll"
             ],
             "cwd": "${workspaceRoot}",
             "preLaunchTask": "Build (Debug)",
@@ -20,7 +20,7 @@
             "request": "launch",
             "program": "dotnet",
             "args": [
-                "${workspaceRoot}/bin/Release/netcoreapp3.0/osu.Game.Rulesets.Catch.Tests.dll"
+                "${workspaceRoot}/bin/Release/netcoreapp3.1/osu.Game.Rulesets.Catch.Tests.dll"
             ],
             "cwd": "${workspaceRoot}",
             "preLaunchTask": "Build (Release)",
diff --git a/osu.Game.Rulesets.Mania.Tests/.vscode/launch.json b/osu.Game.Rulesets.Mania.Tests/.vscode/launch.json
index 779eb4f277..0811c2724c 100644
--- a/osu.Game.Rulesets.Mania.Tests/.vscode/launch.json
+++ b/osu.Game.Rulesets.Mania.Tests/.vscode/launch.json
@@ -7,7 +7,7 @@
             "request": "launch",
             "program": "dotnet",
             "args": [
-                "${workspaceRoot}/bin/Debug/netcoreapp3.0/osu.Game.Rulesets.Mania.Tests.dll"
+                "${workspaceRoot}/bin/Debug/netcoreapp3.1/osu.Game.Rulesets.Mania.Tests.dll"
             ],
             "cwd": "${workspaceRoot}",
             "preLaunchTask": "Build (Debug)",
@@ -20,7 +20,7 @@
             "request": "launch",
             "program": "dotnet",
             "args": [
-                "${workspaceRoot}/bin/Release/netcoreapp3.0/osu.Game.Rulesets.Mania.Tests.dll"
+                "${workspaceRoot}/bin/Release/netcoreapp3.1/osu.Game.Rulesets.Mania.Tests.dll"
             ],
             "cwd": "${workspaceRoot}",
             "preLaunchTask": "Build (Release)",
diff --git a/osu.Game.Rulesets.Osu.Tests/.vscode/launch.json b/osu.Game.Rulesets.Osu.Tests/.vscode/launch.json
index 67338b7bbe..94568e3852 100644
--- a/osu.Game.Rulesets.Osu.Tests/.vscode/launch.json
+++ b/osu.Game.Rulesets.Osu.Tests/.vscode/launch.json
@@ -7,7 +7,7 @@
             "request": "launch",
             "program": "dotnet",
             "args": [
-                "${workspaceRoot}/bin/Debug/netcoreapp3.0/osu.Game.Rulesets.Osu.Tests.dll"
+                "${workspaceRoot}/bin/Debug/netcoreapp3.1/osu.Game.Rulesets.Osu.Tests.dll"
             ],
             "cwd": "${workspaceRoot}",
             "preLaunchTask": "Build (Debug)",
@@ -20,7 +20,7 @@
             "request": "launch",
             "program": "dotnet",
             "args": [
-                "${workspaceRoot}/bin/Release/netcoreapp3.0/osu.Game.Rulesets.Osu.Tests.dll"
+                "${workspaceRoot}/bin/Release/netcoreapp3.1/osu.Game.Rulesets.Osu.Tests.dll"
             ],
             "cwd": "${workspaceRoot}",
             "preLaunchTask": "Build (Release)",
diff --git a/osu.Game.Rulesets.Taiko.Tests/.vscode/launch.json b/osu.Game.Rulesets.Taiko.Tests/.vscode/launch.json
index 7d929e6bbf..5b02ecfc91 100644
--- a/osu.Game.Rulesets.Taiko.Tests/.vscode/launch.json
+++ b/osu.Game.Rulesets.Taiko.Tests/.vscode/launch.json
@@ -7,7 +7,7 @@
             "request": "launch",
             "program": "dotnet",
             "args": [
-                "${workspaceRoot}/bin/Debug/netcoreapp3.0/osu.Game.Rulesets.Taiko.Tests.dll"
+                "${workspaceRoot}/bin/Debug/netcoreapp3.1/osu.Game.Rulesets.Taiko.Tests.dll"
             ],
             "cwd": "${workspaceRoot}",
             "preLaunchTask": "Build (Debug)",
@@ -20,7 +20,7 @@
             "request": "launch",
             "program": "dotnet",
             "args": [
-                "${workspaceRoot}/bin/Release/netcoreapp3.0/osu.Game.Rulesets.Taiko.Tests.dll"
+                "${workspaceRoot}/bin/Release/netcoreapp3.1/osu.Game.Rulesets.Taiko.Tests.dll"
             ],
             "cwd": "${workspaceRoot}",
             "preLaunchTask": "Build (Release)",