Merge pull request #30976 from frenzibyte/hide-some-settings

Hide debug settings in release builds

.github/workflows/ci.yml

@@ -114,7 +114,10 @@ jobs:
           dotnet-version: "8.0.x"
 
       - name: Install .NET workloads
-        run: dotnet workload install maui-android
+        # since windows image 20241113.3.0, not specifying a version here
+        # installs the .NET 7 version of android workload for very unknown reasons.
+        # revisit once we upgrade to .NET 9, it's probably fixed there.
+        run: dotnet workload install android --version (dotnet --version)
 
       - name: Compile
         run: dotnet build -c Debug osu.Android.slnf

osu.Android.props

@@ -10,7 +10,7 @@
     <EmbedAssembliesIntoApk>true</EmbedAssembliesIntoApk>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="ppy.osu.Framework.Android" Version="2024.1025.0" />
+    <PackageReference Include="ppy.osu.Framework.Android" Version="2024.1128.0" />
   </ItemGroup>
   <PropertyGroup>
     <!-- Fody does not handle Android build well, and warns when unchanged.

osu.Desktop/DiscordRichPresence.cs

@@ -15,6 +15,7 @@ using osu.Framework.Threading;
 using osu.Game;
 using osu.Game.Configuration;
 using osu.Game.Extensions;
+using osu.Game.Online;
 using osu.Game.Online.API;
 using osu.Game.Online.API.Requests.Responses;
 using osu.Game.Online.Multiplayer;
@@ -47,6 +48,9 @@ namespace osu.Desktop
         [Resolved]
         private MultiplayerClient multiplayerClient { get; set; } = null!;
 
+        [Resolved]
+        private LocalUserStatisticsProvider statisticsProvider { get; set; } = null!;
+
         [Resolved]
         private OsuConfigManager config { get; set; } = null!;
 
@@ -117,7 +121,9 @@ namespace osu.Desktop
             status.BindValueChanged(_ => schedulePresenceUpdate());
             activity.BindValueChanged(_ => schedulePresenceUpdate());
             privacyMode.BindValueChanged(_ => schedulePresenceUpdate());
+
             multiplayerClient.RoomUpdated += onRoomUpdated;
+            statisticsProvider.StatisticsUpdated += onStatisticsUpdated;
         }
 
         private void onReady(object _, ReadyMessage __)
@@ -133,6 +139,8 @@ namespace osu.Desktop
 
         private void onRoomUpdated() => schedulePresenceUpdate();
 
+        private void onStatisticsUpdated(UserStatisticsUpdate _) => schedulePresenceUpdate();
+
         private ScheduledDelegate? presenceUpdateDelegate;
 
         private void schedulePresenceUpdate()
@@ -167,7 +175,7 @@ namespace osu.Desktop
                 presence.State = clampLength(activity.Value.GetStatus(hideIdentifiableInformation));
                 presence.Details = clampLength(activity.Value.GetDetails(hideIdentifiableInformation) ?? string.Empty);
 
-                if (getBeatmapID(activity.Value) is int beatmapId && beatmapId > 0)
+                if (activity.Value.GetBeatmapID(hideIdentifiableInformation) is int beatmapId && beatmapId > 0)
                 {
                     presence.Buttons = new[]
                     {
@@ -229,10 +237,8 @@ namespace osu.Desktop
                 presence.Assets.LargeImageText = string.Empty;
             else
             {
-                if (user.Value.RulesetsStatistics != null && user.Value.RulesetsStatistics.TryGetValue(ruleset.Value.ShortName, out UserStatistics? statistics))
-                    presence.Assets.LargeImageText = $"{user.Value.Username}" + (statistics.GlobalRank > 0 ? $" (rank #{statistics.GlobalRank:N0})" : string.Empty);
-                else
-                    presence.Assets.LargeImageText = $"{user.Value.Username}" + (user.Value.Statistics?.GlobalRank > 0 ? $" (rank #{user.Value.Statistics.GlobalRank:N0})" : string.Empty);
+                var statistics = statisticsProvider.GetStatisticsFor(ruleset.Value);
+                presence.Assets.LargeImageText = $"{user.Value.Username}" + (statistics?.GlobalRank > 0 ? $" (rank #{statistics.GlobalRank:N0})" : string.Empty);
             }
 
             // small image
@@ -327,25 +333,14 @@ namespace osu.Desktop
             return true;
         }
 
-        private static int? getBeatmapID(UserActivity activity)
-        {
-            switch (activity)
-            {
-                case UserActivity.InGame game:
-                    return game.BeatmapID;
-
-                case UserActivity.EditingBeatmap edit:
-                    return edit.BeatmapID;
-            }
-
-            return null;
-        }
-
         protected override void Dispose(bool isDisposing)
         {
             if (multiplayerClient.IsNotNull())
                 multiplayerClient.RoomUpdated -= onRoomUpdated;
 
+            if (statisticsProvider.IsNotNull())
+                statisticsProvider.StatisticsUpdated -= onStatisticsUpdated;
+
             client.Dispose();
             base.Dispose(isDisposing);
         }

osu.Desktop/Windows/WindowsAssociationManager.cs

@@ -148,15 +148,7 @@ namespace osu.Desktop.Windows
             foreach (var association in uri_associations)
                 association.UpdateDescription(getLocalisedString(association.Description));
 
-            string getLocalisedString(LocalisableString s)
-            {
-                if (localisation == null)
-                    return s.ToString();
-
-                var b = localisation.GetLocalisedBindableString(s);
-                b.UnbindAll();
-                return b.Value;
-            }
+            string getLocalisedString(LocalisableString s) => localisation?.GetLocalisedString(s) ?? s.ToString();
         }
 
         #region Native interop

osu.Desktop/osu.Desktop.csproj

@@ -26,7 +26,7 @@
   <ItemGroup Label="Package References">
     <PackageReference Include="System.IO.Packaging" Version="8.0.1" />
     <PackageReference Include="DiscordRichPresence" Version="1.2.1.24" />
-    <PackageReference Include="Velopack" Version="0.0.869" />
+    <PackageReference Include="Velopack" Version="0.0.915" />
   </ItemGroup>
   <ItemGroup Label="Resources">
     <EmbeddedResource Include="lazer.ico" />

osu.Game.Benchmarks/BenchmarkUnstableRate.cs

@@ -4,28 +4,54 @@
 using System.Collections.Generic;
 using BenchmarkDotNet.Attributes;
 using osu.Framework.Utils;
-using osu.Game.Rulesets.Objects;
+using osu.Game.Beatmaps;
+using osu.Game.Beatmaps.ControlPoints;
+using osu.Game.Rulesets.Osu.Objects;
 using osu.Game.Rulesets.Scoring;
 
 namespace osu.Game.Benchmarks
 {
     public class BenchmarkUnstableRate : BenchmarkTest
     {
-        private List<HitEvent> events = null!;
+        private readonly List<List<HitEvent>> incrementalEventLists = new List<List<HitEvent>>();
 
         public override void SetUp()
         {
             base.SetUp();
-            events = new List<HitEvent>();
 
-            for (int i = 0; i < 1000; i++)
-                events.Add(new HitEvent(RNG.NextDouble(-200.0, 200.0), RNG.NextDouble(1.0, 2.0), HitResult.Great, new HitObject(), null, null));
+            var events = new List<HitEvent>();
+
+            for (int i = 0; i < 2048; i++)
+            {
+                // Ensure the object has hit windows populated.
+                var hitObject = new HitCircle();
+                hitObject.ApplyDefaults(new ControlPointInfo(), new BeatmapDifficulty());
+                events.Add(new HitEvent(RNG.NextDouble(-200.0, 200.0), RNG.NextDouble(1.0, 2.0), HitResult.Great, hitObject, null, null));
+
+                incrementalEventLists.Add(new List<HitEvent>(events));
+            }
         }
 
         [Benchmark]
         public void CalculateUnstableRate()
         {
-            _ = events.CalculateUnstableRate();
+            for (int i = 0; i < 2048; i++)
+            {
+                var events = incrementalEventLists[i];
+                _ = events.CalculateUnstableRate();
+            }
+        }
+
+        [Benchmark]
+        public void CalculateUnstableRateUsingIncrementalCalculation()
+        {
+            HitEventExtensions.UnstableRateCalculationResult? last = null;
+
+            for (int i = 0; i < 2048; i++)
+            {
+                var events = incrementalEventLists[i];
+                last = events.CalculateUnstableRate(last);
+            }
         }
     }
 }

osu.Game.Rulesets.Catch.Tests/Mods/TestSceneCatchModNoScope.cs

@@ -29,7 +29,7 @@ namespace osu.Game.Rulesets.Catch.Tests.Mods
                 },
                 Autoplay = true,
                 PassCondition = () => Player.ScoreProcessor.Combo.Value == 2,
-                Beatmap = new Beatmap
+                CreateBeatmap = () => new Beatmap
                 {
                     HitObjects = new List<HitObject>
                     {
@@ -59,7 +59,7 @@ namespace osu.Game.Rulesets.Catch.Tests.Mods
                 },
                 Autoplay = true,
                 PassCondition = () => true,
-                Beatmap = new Beatmap
+                CreateBeatmap = () => new Beatmap
                 {
                     HitObjects = new List<HitObject>
                     {
@@ -99,7 +99,7 @@ namespace osu.Game.Rulesets.Catch.Tests.Mods
                 },
                 Autoplay = true,
                 PassCondition = () => true,
-                Beatmap = new Beatmap
+                CreateBeatmap = () => new Beatmap
                 {
                     HitObjects = new List<HitObject>
                     {

osu.Game.Rulesets.Catch.Tests/Mods/TestSceneCatchModRelax.cs

@@ -28,7 +28,7 @@ namespace osu.Game.Rulesets.Catch.Tests.Mods
             Mod = new CatchModRelax(),
             Autoplay = false,
             PassCondition = passCondition,
-            Beatmap = new Beatmap
+            CreateBeatmap = () => new Beatmap
             {
                 HitObjects = new List<HitObject>
                 {

osu.Game.Rulesets.Catch.Tests/TestSceneCatchModHidden.cs

@@ -24,7 +24,7 @@ namespace osu.Game.Rulesets.Catch.Tests
         {
             CreateModTest(new ModTestData
             {
-                Beatmap = new Beatmap
+                CreateBeatmap = () => new Beatmap
                 {
                     HitObjects = new List<HitObject>
                     {

osu.Game.Rulesets.Catch/Edit/CatchDistanceSnapProvider.cs

@@ -10,7 +10,7 @@ namespace osu.Game.Rulesets.Catch.Edit
 {
     public partial class CatchDistanceSnapProvider : ComposerDistanceSnapProvider
     {
-        protected override double ReadCurrentDistanceSnap(HitObject before, HitObject after)
+        public override double ReadCurrentDistanceSnap(HitObject before, HitObject after)
         {
             // osu!catch's distance snap implementation is limited, in that a custom spacing cannot be specified.
             // Therefore this functionality is not currently used.

osu.Game.Rulesets.Catch/Edit/CatchHitObjectComposer.cs

@@ -70,6 +70,8 @@ namespace osu.Game.Rulesets.Catch.Edit
             }));
         }
 
+        protected override Drawable CreateHitObjectInspector() => new CatchHitObjectInspector(DistanceSnapProvider);
+
         protected override IEnumerable<TernaryButton> CreateTernaryButtons()
             => base.CreateTernaryButtons()
                    .Concat(DistanceSnapProvider.CreateTernaryButtons());

osu.Game.Rulesets.Catch/Edit/CatchHitObjectInspector.cs

@@ -0,0 +1,41 @@
+// 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.Linq;
+using osu.Game.Rulesets.Catch.Objects;
+using osu.Game.Rulesets.Objects;
+using osu.Game.Screens.Edit.Compose.Components;
+
+namespace osu.Game.Rulesets.Catch.Edit
+{
+    public partial class CatchHitObjectInspector(CatchDistanceSnapProvider snapProvider) : HitObjectInspector
+    {
+        protected override void AddInspectorValues(HitObject[] objects)
+        {
+            base.AddInspectorValues(objects);
+
+            if (objects.Length > 0)
+            {
+                HitObject firstSelectedHitObject = objects.MinBy(ho => ho.StartTime)!;
+                HitObject lastSelectedHitObject = objects.MaxBy(ho => ho.GetEndTime())!;
+
+                HitObject? precedingObject = EditorBeatmap.HitObjects.LastOrDefault(ho => ho.GetEndTime() < firstSelectedHitObject.StartTime);
+                HitObject? nextObject = EditorBeatmap.HitObjects.FirstOrDefault(ho => ho.StartTime > lastSelectedHitObject.GetEndTime());
+
+                if (precedingObject != null && precedingObject is not BananaShower)
+                {
+                    double previousSnap = snapProvider.ReadCurrentDistanceSnap(precedingObject, firstSelectedHitObject);
+                    AddHeader("To previous");
+                    AddValue($"{previousSnap:#,0.##}x");
+                }
+
+                if (nextObject != null && nextObject is not BananaShower)
+                {
+                    double nextSnap = snapProvider.ReadCurrentDistanceSnap(lastSelectedHitObject, nextObject);
+                    AddHeader("To next");
+                    AddValue($"{nextSnap:#,0.##}x");
+                }
+            }
+        }
+    }
+}

osu.Game.Rulesets.Mania.Tests/Editor/TestSceneManiaSelectionHandler.cs

@@ -5,6 +5,7 @@ using System.Linq;
 using NUnit.Framework;
 using osu.Framework.Testing;
 using osu.Game.Beatmaps;
+using osu.Game.Rulesets.Mania.Edit.Blueprints;
 using osu.Game.Rulesets.Mania.Objects;
 using osu.Game.Rulesets.Mania.UI;
 using osu.Game.Screens.Edit.Compose.Components;
@@ -106,7 +107,7 @@ namespace osu.Game.Rulesets.Mania.Tests.Editor
             AddStep("select everything", () => EditorBeatmap.SelectedHitObjects.AddRange(EditorBeatmap.HitObjects));
             AddStep("start drag", () =>
             {
-                InputManager.MoveMouseTo(this.ChildrenOfType<Column>().First());
+                InputManager.MoveMouseTo(this.ChildrenOfType<NoteSelectionBlueprint>().Single(blueprint => blueprint.IsSelected && blueprint.HitObject.StartTime == 0));
                 InputManager.PressButton(MouseButton.Left);
             });
             AddStep("end drag", () =>

osu.Game.Rulesets.Mania.Tests/ManiaScoreProcessorTest.cs

@@ -0,0 +1,39 @@
+// 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.Collections.Generic;
+using NUnit.Framework;
+using osu.Game.Rulesets.Mania.Scoring;
+using osu.Game.Rulesets.Scoring;
+using osu.Game.Scoring;
+
+namespace osu.Game.Rulesets.Mania.Tests
+{
+    [TestFixture]
+    public class ManiaScoreProcessorTest
+    {
+        [TestCase(ScoreRank.X, 1, HitResult.Perfect)]
+        [TestCase(ScoreRank.X, 0.99, HitResult.Great)]
+        [TestCase(ScoreRank.D, 0.1, HitResult.Great)]
+        [TestCase(ScoreRank.X, 0.99, HitResult.Perfect, HitResult.Great)]
+        [TestCase(ScoreRank.X, 0.99, HitResult.Great, HitResult.Great)]
+        [TestCase(ScoreRank.S, 0.99, HitResult.Perfect, HitResult.Good)]
+        [TestCase(ScoreRank.S, 0.99, HitResult.Perfect, HitResult.Ok)]
+        [TestCase(ScoreRank.S, 0.99, HitResult.Perfect, HitResult.Meh)]
+        [TestCase(ScoreRank.S, 0.99, HitResult.Perfect, HitResult.Miss)]
+        [TestCase(ScoreRank.S, 0.99, HitResult.Great, HitResult.Good)]
+        [TestCase(ScoreRank.S, 0.99, HitResult.Great, HitResult.Ok)]
+        [TestCase(ScoreRank.S, 0.99, HitResult.Great, HitResult.Meh)]
+        [TestCase(ScoreRank.S, 0.99, HitResult.Great, HitResult.Miss)]
+        public void TestRanks(ScoreRank expected, double accuracy, params HitResult[] results)
+        {
+            var scoreProcessor = new ManiaScoreProcessor();
+
+            Dictionary<HitResult, int> resultsDict = new Dictionary<HitResult, int>();
+            foreach (var result in results)
+                resultsDict[result] = resultsDict.GetValueOrDefault(result) + 1;
+
+            Assert.That(scoreProcessor.RankFromScore(accuracy, resultsDict), Is.EqualTo(expected));
+        }
+    }
+}

osu.Game.Rulesets.Mania.Tests/Mods/TestSceneManiaModAutoplay.cs

@@ -19,7 +19,7 @@ namespace osu.Game.Rulesets.Mania.Tests.Mods
             CreateModTest(new ModTestData
             {
                 Autoplay = true,
-                Beatmap = new ManiaBeatmap(new StageDefinition(1))
+                CreateBeatmap = () => new ManiaBeatmap(new StageDefinition(1))
                 {
                     HitObjects = new List<ManiaHitObject>
                     {

osu.Game.Rulesets.Mania.Tests/Mods/TestSceneManiaModDoubleTime.cs

@@ -29,7 +29,7 @@ namespace osu.Game.Rulesets.Mania.Tests.Mods
                                   && Precision.AlmostEquals(Player.ScoreProcessor.Accuracy.Value, 0.9836, 0.01)
                                   && Player.ScoreProcessor.TotalScore.Value == 946_049,
             Autoplay = false,
-            Beatmap = new Beatmap
+            CreateBeatmap = () => new Beatmap
             {
                 BeatmapInfo = { Ruleset = new ManiaRuleset().RulesetInfo },
                 Difficulty = { OverallDifficulty = 10 },
@@ -56,7 +56,7 @@ namespace osu.Game.Rulesets.Mania.Tests.Mods
                                       && Player.ScoreProcessor.Accuracy.Value == 1
                                       && Player.ScoreProcessor.TotalScore.Value == (long)(1_000_000 * doubleTime.ScoreMultiplier),
                 Autoplay = false,
-                Beatmap = new Beatmap
+                CreateBeatmap = () => new Beatmap
                 {
                     BeatmapInfo = { Ruleset = new ManiaRuleset().RulesetInfo },
                     Difficulty = { OverallDifficulty = 10 },

osu.Game.Rulesets.Mania.Tests/Mods/TestSceneManiaModFadeIn.cs

@@ -74,7 +74,7 @@ namespace osu.Game.Rulesets.Mania.Tests.Mods
             CreateModTest(new ModTestData
             {
                 Mod = new ManiaModHidden(),
-                Beatmap = new Beatmap
+                CreateBeatmap = () => new Beatmap
                 {
                     HitObjects = Enumerable.Range(1, 100).Select(i => (HitObject)new Note { StartTime = 1000 + 200 * i }).ToList(),
                     Breaks = { new BreakPeriod(2000, 28000) }

osu.Game.Rulesets.Mania.Tests/Mods/TestSceneManiaModHidden.cs

@@ -74,7 +74,7 @@ namespace osu.Game.Rulesets.Mania.Tests.Mods
             CreateModTest(new ModTestData
             {
                 Mod = new ManiaModHidden(),
-                Beatmap = new Beatmap
+                CreateBeatmap = () => new Beatmap
                 {
                     HitObjects = Enumerable.Range(1, 100).Select(i => (HitObject)new Note { StartTime = 1000 + 200 * i }).ToList(),
                     Breaks = { new BreakPeriod(2000, 28000) }

osu.Game.Rulesets.Mania.Tests/Mods/TestSceneManiaModPerfect.cs

@@ -36,7 +36,7 @@ namespace osu.Game.Rulesets.Mania.Tests.Mods
             Mod = new ManiaModPerfect(),
             PassCondition = () => ((ModFailConditionTestPlayer)Player).CheckFailed(false),
             Autoplay = false,
-            Beatmap = new Beatmap
+            CreateBeatmap = () => new Beatmap
             {
                 HitObjects = new List<HitObject>
                 {
@@ -59,7 +59,7 @@ namespace osu.Game.Rulesets.Mania.Tests.Mods
             Mod = new ManiaModPerfect(),
             PassCondition = () => ((ModFailConditionTestPlayer)Player).CheckFailed(true) && Player.Results.Count == 2,
             Autoplay = false,
-            Beatmap = new Beatmap
+            CreateBeatmap = () => new Beatmap
             {
                 HitObjects = new List<HitObject>
                 {

osu.Game.Rulesets.Mania.Tests/Mods/TestSceneManiaModSuddenDeath.cs

@@ -28,7 +28,7 @@ namespace osu.Game.Rulesets.Mania.Tests.Mods
             Mod = new ManiaModSuddenDeath(),
             PassCondition = () => ((ModFailConditionTestPlayer)Player).CheckFailed(false),
             Autoplay = false,
-            Beatmap = new Beatmap
+            CreateBeatmap = () => new Beatmap
             {
                 HitObjects = new List<HitObject>
                 {
@@ -51,7 +51,7 @@ namespace osu.Game.Rulesets.Mania.Tests.Mods
             Mod = new ManiaModSuddenDeath(),
             PassCondition = () => ((ModFailConditionTestPlayer)Player).CheckFailed(true) && Player.Results.Count == 2,
             Autoplay = false,
-            Beatmap = new Beatmap
+            CreateBeatmap = () => new Beatmap
             {
                 HitObjects = new List<HitObject>
                 {

osu.Game.Rulesets.Mania/Configuration/ManiaRulesetConfigManager.cs

@@ -21,7 +21,7 @@ namespace osu.Game.Rulesets.Mania.Configuration
         {
             base.InitialiseDefaults();
 
-            SetDefault(ManiaRulesetSetting.ScrollSpeed, 8, 1, 40);
+            SetDefault(ManiaRulesetSetting.ScrollSpeed, 8.0, 1.0, 40.0, 0.1);
             SetDefault(ManiaRulesetSetting.ScrollDirection, ManiaScrollingDirection.Down);
             SetDefault(ManiaRulesetSetting.TimingBasedNoteColouring, false);
 
@@ -31,7 +31,7 @@ namespace osu.Game.Rulesets.Mania.Configuration
 
             if (Get<double?>(ManiaRulesetSetting.ScrollTime) is double scrollTime)
             {
-                SetValue(ManiaRulesetSetting.ScrollSpeed, (int)Math.Round(DrawableManiaRuleset.MAX_TIME_RANGE / scrollTime));
+                SetValue(ManiaRulesetSetting.ScrollSpeed, Math.Round(DrawableManiaRuleset.MAX_TIME_RANGE / scrollTime));
                 SetValue<double?>(ManiaRulesetSetting.ScrollTime, null);
             }
 #pragma warning restore CS0618
@@ -39,7 +39,7 @@ namespace osu.Game.Rulesets.Mania.Configuration
 
         public override TrackedSettings CreateTrackedSettings() => new TrackedSettings
         {
-            new TrackedSetting<int>(ManiaRulesetSetting.ScrollSpeed,
+            new TrackedSetting<double>(ManiaRulesetSetting.ScrollSpeed,
                 speed => new SettingDescription(
                     rawValue: speed,
                     name: RulesetSettingsStrings.ScrollSpeed,

osu.Game.Rulesets.Mania/Difficulty/Skills/Strain.cs

@@ -5,6 +5,7 @@ using System;
 using osu.Framework.Utils;
 using osu.Game.Rulesets.Difficulty.Preprocessing;
 using osu.Game.Rulesets.Difficulty.Skills;
+using osu.Game.Rulesets.Difficulty.Utils;
 using osu.Game.Rulesets.Mania.Difficulty.Preprocessing;
 using osu.Game.Rulesets.Mods;
 
@@ -73,7 +74,7 @@ namespace osu.Game.Rulesets.Mania.Difficulty.Skills
             // 0.0 +--------+-+---------------> Release Difference / ms
             //         release_threshold
             if (isOverlapping)
-                holdAddition = 1 / (1 + Math.Exp(0.27 * (release_threshold - closestEndTime)));
+                holdAddition = DifficultyCalculationUtils.Logistic(x: closestEndTime, multiplier: 0.27, midpointOffset: release_threshold);
 
             // Decay and increase individualStrains in own column
             individualStrains[column] = applyDecay(individualStrains[column], startTime - startTimes[column], individual_decay_base);

osu.Game.Rulesets.Mania/Edit/Blueprints/Components/EditBodyPiece.cs

@@ -3,21 +3,39 @@
 
 using osu.Framework.Allocation;
 using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Shapes;
 using osu.Game.Graphics;
-using osu.Game.Rulesets.Mania.Skinning.Default;
 
 namespace osu.Game.Rulesets.Mania.Edit.Blueprints.Components
 {
-    public partial class EditBodyPiece : DefaultBodyPiece
+    public partial class EditBodyPiece : CompositeDrawable
     {
+        private readonly Container border;
+
+        public EditBodyPiece()
+        {
+            InternalChildren = new Drawable[]
+            {
+                border = new Container
+                {
+                    RelativeSizeAxes = Axes.Both,
+                    Masking = true,
+                    BorderThickness = 3,
+                    Child = new Box
+                    {
+                        RelativeSizeAxes = Axes.Both,
+                        Alpha = 0,
+                        AlwaysPresent = true,
+                    },
+                },
+            };
+        }
+
         [BackgroundDependencyLoader]
         private void load(OsuColour colours)
         {
-            AccentColour.Value = colours.Yellow;
-
-            Background.Alpha = 0.5f;
+            border.BorderColour = colours.YellowDarker;
         }
-
-        protected override Drawable CreateForeground() => base.CreateForeground().With(d => d.Alpha = 0);
     }
 }

osu.Game.Rulesets.Mania/Edit/Blueprints/Components/EditHoldNoteEndPiece.cs

@@ -4,6 +4,7 @@
 using System;
 using osu.Framework.Allocation;
 using osu.Framework.Extensions.Color4Extensions;
+using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Input.Events;
 using osu.Game.Graphics;
@@ -26,10 +27,11 @@ namespace osu.Game.Rulesets.Mania.Edit.Blueprints.Components
         {
             Height = DefaultNotePiece.NOTE_HEIGHT;
 
-            CornerRadius = 5;
-            Masking = true;
-
-            InternalChild = new DefaultNotePiece();
+            InternalChild = new EditNotePiece
+            {
+                RelativeSizeAxes = Axes.Both,
+                Height = 1,
+            };
         }
 
         protected override void LoadComplete()
@@ -60,19 +62,23 @@ namespace osu.Game.Rulesets.Mania.Edit.Blueprints.Components
         {
             base.OnDrag(e);
             Dragging?.Invoke(e.ScreenSpaceMousePosition);
+            updateState();
         }
 
         protected override void OnDragEnd(DragEndEvent e)
         {
             base.OnDragEnd(e);
             DragEnded?.Invoke();
+            updateState();
         }
 
         private void updateState()
         {
+            InternalChild.Colour = Colour4.White;
+
             var colour = colours.Yellow;
 
-            if (IsHovered)
+            if (IsHovered || IsDragged)
                 colour = colour.Lighten(1);
 
             Colour = colour;

osu.Game.Rulesets.Mania/Edit/Blueprints/Components/EditNotePiece.cs

@@ -2,28 +2,63 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using osu.Framework.Allocation;
+using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Shapes;
 using osu.Game.Graphics;
-using osu.Game.Rulesets.Mania.Skinning.Default;
+using osu.Game.Rulesets.Mania.UI;
+using osu.Game.Rulesets.UI.Scrolling;
+using osuTK;
 
 namespace osu.Game.Rulesets.Mania.Edit.Blueprints.Components
 {
     public partial class EditNotePiece : CompositeDrawable
     {
+        private readonly Container border;
+        private readonly Box box;
+
+        [Resolved]
+        private Column? column { get; set; }
+
         public EditNotePiece()
         {
-            Height = DefaultNotePiece.NOTE_HEIGHT;
-
-            CornerRadius = 5;
-            Masking = true;
-
-            InternalChild = new DefaultNotePiece();
+            InternalChildren = new Drawable[]
+            {
+                border = new Container
+                {
+                    RelativeSizeAxes = Axes.Both,
+                    Masking = true,
+                    BorderThickness = 3,
+                    Child = new Box
+                    {
+                        RelativeSizeAxes = Axes.Both,
+                        Alpha = 0,
+                        AlwaysPresent = true,
+                    },
+                },
+                box = new Box
+                {
+                    RelativeSizeAxes = Axes.X,
+                    Height = 3,
+                    Anchor = Anchor.BottomCentre,
+                    Origin = Anchor.BottomCentre,
+                },
+            };
         }
 
         [BackgroundDependencyLoader]
         private void load(OsuColour colours)
         {
-            Colour = colours.Yellow;
+            border.BorderColour = colours.YellowDark;
+            box.Colour = colours.YellowLight;
+        }
+
+        protected override void Update()
+        {
+            base.Update();
+
+            if (column != null)
+                Scale = new Vector2(1, column.ScrollingInfo.Direction.Value == ScrollingDirection.Down ? 1 : -1);
         }
     }
 }

osu.Game.Rulesets.Mania/Edit/Blueprints/HoldNotePlacementBlueprint.cs

@@ -4,8 +4,10 @@
 using System;
 using osu.Framework.Allocation;
 using osu.Framework.Graphics;
+using osu.Framework.Graphics.Shapes;
 using osu.Framework.Input.Events;
 using osu.Framework.Utils;
+using osu.Game.Graphics;
 using osu.Game.Rulesets.Edit;
 using osu.Game.Rulesets.Mania.Edit.Blueprints.Components;
 using osu.Game.Rulesets.Mania.Objects;
@@ -17,9 +19,9 @@ namespace osu.Game.Rulesets.Mania.Edit.Blueprints
 {
     public partial class HoldNotePlacementBlueprint : ManiaPlacementBlueprint<HoldNote>
     {
-        private readonly EditBodyPiece bodyPiece;
-        private readonly EditNotePiece headPiece;
-        private readonly EditNotePiece tailPiece;
+        private EditBodyPiece bodyPiece = null!;
+        private Circle headPiece = null!;
+        private Circle tailPiece = null!;
 
         [Resolved]
         private IScrollingInfo scrollingInfo { get; set; } = null!;
@@ -28,14 +30,29 @@ namespace osu.Game.Rulesets.Mania.Edit.Blueprints
 
         public HoldNotePlacementBlueprint()
             : base(new HoldNote())
+        {
+        }
+
+        [BackgroundDependencyLoader]
+        private void load(OsuColour colours)
         {
             RelativeSizeAxes = Axes.Both;
 
             InternalChildren = new Drawable[]
             {
                 bodyPiece = new EditBodyPiece { Origin = Anchor.TopCentre },
-                headPiece = new EditNotePiece { Origin = Anchor.Centre },
-                tailPiece = new EditNotePiece { Origin = Anchor.Centre }
+                headPiece = new Circle
+                {
+                    Origin = Anchor.Centre,
+                    Colour = colours.Yellow,
+                    Height = 10
+                },
+                tailPiece = new Circle
+                {
+                    Origin = Anchor.Centre,
+                    Colour = colours.Yellow,
+                    Height = 10
+                },
             };
         }
 

osu.Game.Rulesets.Mania/Edit/Blueprints/HoldNoteSelectionBlueprint.cs

@@ -2,14 +2,14 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using osu.Framework.Allocation;
+using osu.Framework.Bindables;
 using osu.Framework.Graphics;
-using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Primitives;
-using osu.Framework.Graphics.Shapes;
-using osu.Game.Graphics;
 using osu.Game.Rulesets.Edit;
 using osu.Game.Rulesets.Mania.Edit.Blueprints.Components;
 using osu.Game.Rulesets.Mania.Objects;
+using osu.Game.Rulesets.Mania.Objects.Drawables;
+using osu.Game.Rulesets.UI.Scrolling;
 using osu.Game.Screens.Edit;
 using osuTK;
 
@@ -17,9 +17,6 @@ namespace osu.Game.Rulesets.Mania.Edit.Blueprints
 {
     public partial class HoldNoteSelectionBlueprint : ManiaSelectionBlueprint<HoldNote>
     {
-        [Resolved]
-        private OsuColour colours { get; set; } = null!;
-
         [Resolved]
         private IEditorChangeHandler? changeHandler { get; set; }
 
@@ -29,9 +26,12 @@ namespace osu.Game.Rulesets.Mania.Edit.Blueprints
         [Resolved]
         private IPositionSnapProvider? positionSnapProvider { get; set; }
 
+        private EditBodyPiece body = null!;
         private EditHoldNoteEndPiece head = null!;
         private EditHoldNoteEndPiece tail = null!;
 
+        protected new DrawableHoldNote DrawableObject => (DrawableHoldNote)base.DrawableObject;
+
         public HoldNoteSelectionBlueprint(HoldNote hold)
             : base(hold)
         {
@@ -42,9 +42,17 @@ namespace osu.Game.Rulesets.Mania.Edit.Blueprints
         {
             InternalChildren = new Drawable[]
             {
+                body = new EditBodyPiece
+                {
+                    RelativeSizeAxes = Axes.Both,
+                    Anchor = Anchor.BottomCentre,
+                    Origin = Anchor.BottomCentre,
+                },
                 head = new EditHoldNoteEndPiece
                 {
                     RelativeSizeAxes = Axes.X,
+                    Anchor = Anchor.BottomCentre,
+                    Origin = Anchor.BottomCentre,
                     DragStarted = () => changeHandler?.BeginChange(),
                     Dragging = pos =>
                     {
@@ -64,6 +72,8 @@ namespace osu.Game.Rulesets.Mania.Edit.Blueprints
                 tail = new EditHoldNoteEndPiece
                 {
                     RelativeSizeAxes = Axes.X,
+                    Anchor = Anchor.BottomCentre,
+                    Origin = Anchor.BottomCentre,
                     DragStarted = () => changeHandler?.BeginChange(),
                     Dragging = pos =>
                     {
@@ -79,19 +89,6 @@ namespace osu.Game.Rulesets.Mania.Edit.Blueprints
                     },
                     DragEnded = () => changeHandler?.EndChange(),
                 },
-                new Container
-                {
-                    RelativeSizeAxes = Axes.Both,
-                    Masking = true,
-                    BorderThickness = 1,
-                    BorderColour = colours.Yellow,
-                    Child = new Box
-                    {
-                        RelativeSizeAxes = Axes.Both,
-                        Alpha = 0,
-                        AlwaysPresent = true,
-                    }
-                }
             };
         }
 
@@ -99,11 +96,23 @@ namespace osu.Game.Rulesets.Mania.Edit.Blueprints
         {
             base.Update();
 
+            head.Height = DrawableObject.Head.DrawHeight;
             head.Y = HitObjectContainer.PositionAtTime(HitObject.Head.StartTime, HitObject.StartTime);
+            tail.Height = DrawableObject.Tail.DrawHeight;
             tail.Y = HitObjectContainer.PositionAtTime(HitObject.Tail.StartTime, HitObject.StartTime);
             Height = HitObjectContainer.LengthAtTime(HitObject.StartTime, HitObject.EndTime) + tail.DrawHeight;
         }
 
+        protected override void OnDirectionChanged(ValueChangedEvent<ScrollingDirection> direction)
+        {
+            Origin = direction.NewValue == ScrollingDirection.Down ? Anchor.BottomCentre : Anchor.TopCentre;
+
+            foreach (var child in InternalChildren)
+                child.Anchor = Origin;
+
+            head.Scale = tail.Scale = body.Scale = new Vector2(1, direction.NewValue == ScrollingDirection.Down ? 1 : -1);
+        }
+
         public override Quad SelectionQuad => ScreenSpaceDrawQuad;
 
         public override Vector2 ScreenSpaceSelectionPoint => head.ScreenSpaceDrawQuad.Centre;

osu.Game.Rulesets.Mania/Edit/Blueprints/ManiaSelectionBlueprint.cs

@@ -37,16 +37,10 @@ namespace osu.Game.Rulesets.Mania.Edit.Blueprints
         protected override void LoadComplete()
         {
             base.LoadComplete();
-            directionBindable.BindValueChanged(onDirectionChanged, true);
+            directionBindable.BindValueChanged(OnDirectionChanged, true);
         }
 
-        private void onDirectionChanged(ValueChangedEvent<ScrollingDirection> direction)
-        {
-            var anchor = direction.NewValue == ScrollingDirection.Up ? Anchor.TopCentre : Anchor.BottomCentre;
-            Anchor = Origin = anchor;
-            foreach (var child in InternalChildren)
-                child.Anchor = child.Origin = anchor;
-        }
+        protected abstract void OnDirectionChanged(ValueChangedEvent<ScrollingDirection> direction);
 
         protected override void Update()
         {

osu.Game.Rulesets.Mania/Edit/Blueprints/NotePlacementBlueprint.cs

@@ -1,10 +1,12 @@
 // 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.Graphics;
+using osu.Framework.Graphics.Shapes;
 using osu.Framework.Input.Events;
+using osu.Game.Graphics;
 using osu.Game.Rulesets.Edit;
-using osu.Game.Rulesets.Mania.Edit.Blueprints.Components;
 using osu.Game.Rulesets.Mania.Objects;
 using osuTK.Input;
 
@@ -12,14 +14,25 @@ namespace osu.Game.Rulesets.Mania.Edit.Blueprints
 {
     public partial class NotePlacementBlueprint : ManiaPlacementBlueprint<Note>
     {
-        private readonly EditNotePiece piece;
+        private Circle piece = null!;
 
         public NotePlacementBlueprint()
             : base(new Note())
         {
-            RelativeSizeAxes = Axes.Both;
+        }
 
-            InternalChild = piece = new EditNotePiece { Origin = Anchor.Centre };
+        [BackgroundDependencyLoader]
+        private void load(OsuColour colours)
+        {
+            RelativeSizeAxes = Axes.Both;
+            Masking = true;
+
+            InternalChild = piece = new Circle
+            {
+                Origin = Anchor.Centre,
+                Colour = colours.Yellow,
+                Height = 10
+            };
         }
 
         public override void UpdateTimeAndPosition(SnapResult result)

osu.Game.Rulesets.Mania/Edit/Blueprints/NoteSelectionBlueprint.cs

@@ -1,18 +1,42 @@
 // 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.Bindables;
 using osu.Framework.Graphics;
 using osu.Game.Rulesets.Mania.Edit.Blueprints.Components;
 using osu.Game.Rulesets.Mania.Objects;
+using osu.Game.Rulesets.UI.Scrolling;
+using osuTK;
 
 namespace osu.Game.Rulesets.Mania.Edit.Blueprints
 {
     public partial class NoteSelectionBlueprint : ManiaSelectionBlueprint<Note>
     {
+        private readonly EditNotePiece notePiece;
+
         public NoteSelectionBlueprint(Note note)
             : base(note)
         {
-            AddInternal(new EditNotePiece { RelativeSizeAxes = Axes.X });
+            Anchor = Anchor.BottomCentre;
+            Origin = Anchor.BottomCentre;
+            AddInternal(notePiece = new EditNotePiece
+            {
+                RelativeSizeAxes = Axes.X,
+                Anchor = Anchor.BottomCentre,
+                Origin = Anchor.BottomCentre,
+            });
+        }
+
+        protected override void Update()
+        {
+            base.Update();
+
+            notePiece.Height = DrawableObject.DrawHeight;
+        }
+
+        protected override void OnDirectionChanged(ValueChangedEvent<ScrollingDirection> direction)
+        {
+            notePiece.Scale = new Vector2(1, direction.NewValue == ScrollingDirection.Down ? 1 : -1);
         }
     }
 }

osu.Game.Rulesets.Mania/Edit/DrawableManiaEditorRuleset.cs

@@ -44,7 +44,7 @@ namespace osu.Game.Rulesets.Mania.Edit
 
         protected override void Update()
         {
-            TargetTimeRange = TimelineTimeRange == null || ShowSpeedChanges.Value ? ComputeScrollTime(Config.Get<int>(ManiaRulesetSetting.ScrollSpeed)) : TimelineTimeRange.Value;
+            TargetTimeRange = TimelineTimeRange == null || ShowSpeedChanges.Value ? ComputeScrollTime(Config.Get<double>(ManiaRulesetSetting.ScrollSpeed)) : TimelineTimeRange.Value;
             base.Update();
         }
     }

osu.Game.Rulesets.Mania/Edit/EditorColumn.cs

@@ -0,0 +1,45 @@
+// 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.Graphics;
+using osu.Game.Rulesets.Mania.Objects.Drawables;
+using osu.Game.Rulesets.Mania.UI;
+using osu.Game.Rulesets.Objects.Drawables;
+
+namespace osu.Game.Rulesets.Mania.Edit
+{
+    public partial class EditorColumn : Column
+    {
+        public EditorColumn(int index, bool isSpecial)
+            : base(index, isSpecial)
+        {
+        }
+
+        protected override void OnNewDrawableHitObject(DrawableHitObject drawableHitObject)
+        {
+            base.OnNewDrawableHitObject(drawableHitObject);
+            drawableHitObject.ApplyCustomUpdateState += (dho, state) =>
+            {
+                switch (dho)
+                {
+                    // hold note heads are exempt from what follows due to the "freezing" mechanic
+                    // which already ensures they'll never fade away on their own.
+                    case DrawableHoldNoteHead:
+                        break;
+
+                    // mania features instantaneous hitobject fade-outs.
+                    // this means that without manual intervention stopping the clock at the precise time of hitting the object
+                    // means the object will fade out.
+                    // this is anti-user in editor contexts, as the user is expecting to continue the see the note on the receptor line.
+                    // therefore, apply a crude workaround to prevent it from going away.
+                    default:
+                    {
+                        if (state == ArmedState.Hit)
+                            dho.FadeTo(1).Delay(1).FadeOut().Expire();
+                        break;
+                    }
+                }
+            };
+        }
+    }
+}

osu.Game.Rulesets.Mania/Edit/EditorStage.cs

@@ -0,0 +1,18 @@
+// 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.Rulesets.Mania.Beatmaps;
+using osu.Game.Rulesets.Mania.UI;
+
+namespace osu.Game.Rulesets.Mania.Edit
+{
+    public partial class EditorStage : Stage
+    {
+        public EditorStage(int firstColumnIndex, StageDefinition definition, ref ManiaAction columnStartAction)
+            : base(firstColumnIndex, definition, ref columnStartAction)
+        {
+        }
+
+        protected override Column CreateColumn(int index, bool isSpecial) => new EditorColumn(index, isSpecial);
+    }
+}

osu.Game.Rulesets.Mania/Edit/ManiaEditorPlayfield.cs

@@ -13,5 +13,8 @@ namespace osu.Game.Rulesets.Mania.Edit
             : base(stages)
         {
         }
+
+        protected override Stage CreateStage(int firstColumnIndex, StageDefinition stageDefinition, ref ManiaAction columnAction)
+            => new EditorStage(firstColumnIndex, stageDefinition, ref columnAction);
     }
 }

osu.Game.Rulesets.Mania/Edit/ManiaHitObjectComposer.cs

@@ -92,7 +92,7 @@ namespace osu.Game.Rulesets.Mania.Edit
             base.Update();
 
             if (screenWithTimeline?.TimelineArea.Timeline != null)
-                drawableRuleset.TimelineTimeRange = EditorClock.TrackLength / screenWithTimeline.TimelineArea.Timeline.CurrentZoom / 2;
+                drawableRuleset.TimelineTimeRange = EditorClock.TrackLength / screenWithTimeline.TimelineArea.Timeline.CurrentZoom.Value / 2;
         }
     }
 }

osu.Game.Rulesets.Mania/Edit/Setup/ManiaDifficultySection.cs

@@ -55,7 +55,7 @@ namespace osu.Game.Rulesets.Mania.Edit.Setup
                 {
                     Caption = "Use special (N+1) style",
                     HintText = "Changes one column to act as a classic \"scratch\" or \"special\" column, which can be moved around by the user's skin (to the left/right/centre). Generally used in 6K (5+1) or 8K (7+1) configurations.",
-                    Current = { Value = Beatmap.BeatmapInfo.SpecialStyle }
+                    Current = { Value = Beatmap.SpecialStyle }
                 },
                 healthDrainSlider = new FormSliderBar<float>
                 {
@@ -157,7 +157,7 @@ namespace osu.Game.Rulesets.Mania.Edit.Setup
             // for now, update these on commit rather than making BeatmapMetadata bindables.
             // after switching database engines we can reconsider if switching to bindables is a good direction.
             Beatmap.Difficulty.CircleSize = keyCountSlider.Current.Value;
-            Beatmap.BeatmapInfo.SpecialStyle = specialStyle.Current.Value;
+            Beatmap.SpecialStyle = specialStyle.Current.Value;
             Beatmap.Difficulty.DrainRate = healthDrainSlider.Current.Value;
             Beatmap.Difficulty.OverallDifficulty = overallDifficultySlider.Current.Value;
             Beatmap.Difficulty.SliderMultiplier = baseVelocitySlider.Current.Value;

osu.Game.Rulesets.Mania/ManiaSettingsSubsection.cs

@@ -33,11 +33,11 @@ namespace osu.Game.Rulesets.Mania
                     LabelText = RulesetSettingsStrings.ScrollingDirection,
                     Current = config.GetBindable<ManiaScrollingDirection>(ManiaRulesetSetting.ScrollDirection)
                 },
-                new SettingsSlider<int, ManiaScrollSlider>
+                new SettingsSlider<double, ManiaScrollSlider>
                 {
                     LabelText = RulesetSettingsStrings.ScrollSpeed,
-                    Current = config.GetBindable<int>(ManiaRulesetSetting.ScrollSpeed),
-                    KeyboardStep = 5
+                    Current = config.GetBindable<double>(ManiaRulesetSetting.ScrollSpeed),
+                    KeyboardStep = 1
                 },
                 new SettingsCheckbox
                 {
@@ -48,7 +48,7 @@ namespace osu.Game.Rulesets.Mania
             };
         }
 
-        private partial class ManiaScrollSlider : RoundedSliderBar<int>
+        private partial class ManiaScrollSlider : RoundedSliderBar<double>
         {
             public override LocalisableString TooltipText => RulesetSettingsStrings.ScrollSpeedTooltip((int)DrawableManiaRuleset.ComputeScrollTime(Current.Value), Current.Value);
         }

osu.Game.Rulesets.Mania/Scoring/ManiaScoreProcessor.cs

@@ -9,6 +9,7 @@ using osu.Game.Rulesets.Judgements;
 using osu.Game.Rulesets.Mania.Objects;
 using osu.Game.Rulesets.Objects;
 using osu.Game.Rulesets.Scoring;
+using osu.Game.Scoring;
 
 namespace osu.Game.Rulesets.Mania.Scoring
 {
@@ -58,6 +59,24 @@ namespace osu.Game.Rulesets.Mania.Scoring
             return GetBaseScoreForResult(result);
         }
 
+        public override ScoreRank RankFromScore(double accuracy, IReadOnlyDictionary<HitResult, int> results)
+        {
+            ScoreRank rank = base.RankFromScore(accuracy, results);
+
+            if (rank != ScoreRank.S)
+                return rank;
+
+            // SS is expected as long as all hitobjects have been hit with either a GREAT or PERFECT result.
+
+            bool anyImperfect =
+                results.GetValueOrDefault(HitResult.Good) > 0
+                || results.GetValueOrDefault(HitResult.Ok) > 0
+                || results.GetValueOrDefault(HitResult.Meh) > 0
+                || results.GetValueOrDefault(HitResult.Miss) > 0;
+
+            return anyImperfect ? rank : ScoreRank.X;
+        }
+
         private class JudgementOrderComparer : IComparer<HitObject>
         {
             public static readonly JudgementOrderComparer DEFAULT = new JudgementOrderComparer();

osu.Game.Rulesets.Mania/Skinning/Legacy/LegacyStageBackground.cs

@@ -54,7 +54,8 @@ namespace osu.Game.Rulesets.Mania.Skinning.Legacy
                 },
                 columnBackgrounds = new ColumnFlow<Drawable>(stageDefinition)
                 {
-                    RelativeSizeAxes = Axes.Y
+                    RelativeSizeAxes = Axes.Y,
+                    Masking = false,
                 },
                 new HitTargetInsetContainer
                 {
@@ -126,8 +127,8 @@ namespace osu.Game.Rulesets.Mania.Skinning.Legacy
                             },
                             new Container
                             {
+                                X = isLastColumn ? -0.16f : 0,
                                 Anchor = Anchor.TopRight,
-                                Origin = Anchor.TopRight,
                                 RelativeSizeAxes = Axes.Y,
                                 Width = rightLineWidth,
                                 Scale = new Vector2(0.740f, 1),

osu.Game.Rulesets.Mania/Skinning/Legacy/ManiaLegacySkinTransformer.cs

@@ -164,10 +164,10 @@ namespace osu.Game.Rulesets.Mania.Skinning.Legacy
 
         private Drawable getResult(HitResult result)
         {
-            if (!hit_result_mapping.ContainsKey(result))
+            if (!hit_result_mapping.TryGetValue(result, out var value))
                 return null;
 
-            string filename = this.GetManiaSkinConfig<string>(hit_result_mapping[result])?.Value
+            string filename = this.GetManiaSkinConfig<string>(value)?.Value
                               ?? default_hit_result_skin_filenames[result];
 
             var animation = this.GetAnimation(filename, true, true, frameLength: 1000 / 20d);

osu.Game.Rulesets.Mania/UI/ColumnFlow.cs

@@ -28,6 +28,12 @@ namespace osu.Game.Rulesets.Mania.UI
         private readonly FillFlowContainer<Container<TContent>> columns;
         private readonly StageDefinition stageDefinition;
 
+        public new bool Masking
+        {
+            get => base.Masking;
+            set => base.Masking = value;
+        }
+
         public ColumnFlow(StageDefinition stageDefinition)
         {
             this.stageDefinition = stageDefinition;

osu.Game.Rulesets.Mania/UI/DrawableManiaRuleset.cs

@@ -56,7 +56,7 @@ namespace osu.Game.Rulesets.Mania.UI
         protected new ManiaRulesetConfigManager Config => (ManiaRulesetConfigManager)base.Config;
 
         private readonly Bindable<ManiaScrollingDirection> configDirection = new Bindable<ManiaScrollingDirection>();
-        private readonly BindableInt configScrollSpeed = new BindableInt();
+        private readonly BindableDouble configScrollSpeed = new BindableDouble();
 
         private double currentTimeRange;
         protected double TargetTimeRange;
@@ -160,7 +160,7 @@ namespace osu.Game.Rulesets.Mania.UI
         /// </summary>
         /// <param name="scrollSpeed">The scroll speed.</param>
         /// <returns>The scroll time.</returns>
-        public static double ComputeScrollTime(int scrollSpeed) => MAX_TIME_RANGE / scrollSpeed;
+        public static double ComputeScrollTime(double scrollSpeed) => MAX_TIME_RANGE / scrollSpeed;
 
         public override PlayfieldAdjustmentContainer CreatePlayfieldAdjustmentContainer() => new ManiaPlayfieldAdjustmentContainer();
 

osu.Game.Rulesets.Mania/UI/ManiaPlayfield.cs

@@ -7,6 +7,7 @@ using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using System;
 using System.Collections.Generic;
+using JetBrains.Annotations;
 using osu.Framework.Allocation;
 using osu.Framework.Graphics.Primitives;
 using osu.Game.Rulesets.Mania.Beatmaps;
@@ -71,7 +72,7 @@ namespace osu.Game.Rulesets.Mania.UI
 
             for (int i = 0; i < stageDefinitions.Count; i++)
             {
-                var newStage = new Stage(firstColumnIndex, stageDefinitions[i], ref columnAction);
+                var newStage = CreateStage(firstColumnIndex, stageDefinitions[i], ref columnAction);
 
                 playfieldGrid.Content[0][i] = newStage;
 
@@ -82,6 +83,9 @@ namespace osu.Game.Rulesets.Mania.UI
             }
         }
 
+        [Pure]
+        protected virtual Stage CreateStage(int firstColumnIndex, StageDefinition stageDefinition, ref ManiaAction columnAction) => new Stage(firstColumnIndex, stageDefinition, ref columnAction);
+
         public override void Add(HitObject hitObject) => getStageByColumn(((ManiaHitObject)hitObject).Column).Add(hitObject);
 
         public override bool Remove(HitObject hitObject) => getStageByColumn(((ManiaHitObject)hitObject).Column).Remove(hitObject);

osu.Game.Rulesets.Mania/UI/Stage.cs

@@ -3,6 +3,7 @@
 
 using System;
 using System.Linq;
+using JetBrains.Annotations;
 using osu.Framework.Allocation;
 using osu.Framework.Extensions.ObjectExtensions;
 using osu.Framework.Graphics;
@@ -134,12 +135,14 @@ namespace osu.Game.Rulesets.Mania.UI
             {
                 bool isSpecial = definition.IsSpecialColumn(i);
 
-                var column = new Column(firstColumnIndex + i, isSpecial)
+                var action = columnStartAction;
+                columnStartAction++;
+                var column = CreateColumn(firstColumnIndex + i, isSpecial).With(c =>
                 {
-                    RelativeSizeAxes = Axes.Both,
-                    Width = 1,
-                    Action = { Value = columnStartAction++ }
-                };
+                    c.RelativeSizeAxes = Axes.Both;
+                    c.Width = 1;
+                    c.Action.Value = action;
+                });
 
                 topLevelContainer.Add(column.TopLevelContainer.CreateProxy());
                 columnBackgrounds.Add(column.BackgroundContainer.CreateProxy());
@@ -154,6 +157,9 @@ namespace osu.Game.Rulesets.Mania.UI
             RegisterPool<BarLine, DrawableBarLine>(50, 200);
         }
 
+        [Pure]
+        protected virtual Column CreateColumn(int index, bool isSpecial) => new Column(index, isSpecial);
+
         [BackgroundDependencyLoader]
         private void load(ISkinSource skin)
         {

osu.Game.Rulesets.Osu.Tests.iOS/osu.Game.Rulesets.Osu.Tests.iOS.csproj

@@ -17,4 +17,8 @@
     <ProjectReference Include="..\osu.Game\osu.Game.csproj" />
     <ProjectReference Include="..\osu.Game.Rulesets.Osu\osu.Game.Rulesets.Osu.csproj" />
   </ItemGroup>
+  <ItemGroup Label="Package References">
+    <PackageReference Include="DeepEqual" Version="2.0.0" />
+    <PackageReference Include="Moq" Version="4.17.2" />
+  </ItemGroup>
 </Project>

osu.Game.Rulesets.Osu.Tests/Editor/TestSceneOsuComposerSelection.cs

@@ -231,6 +231,36 @@ namespace osu.Game.Rulesets.Osu.Tests.Editor
             AddAssert("slider still has 2 anchors", () => secondSlider.Path.ControlPoints.Count, () => Is.EqualTo(2));
         }
 
+        [Test]
+        public void TestControlClickDoesNotDiscardExistingSelectionEvenIfNothingHit()
+        {
+            var firstSlider = new Slider
+            {
+                StartTime = 0,
+                Position = new Vector2(0, 0),
+                Path = new SliderPath
+                {
+                    ControlPoints =
+                    {
+                        new PathControlPoint(),
+                        new PathControlPoint(new Vector2(100))
+                    }
+                }
+            };
+
+            AddStep("add object", () => EditorBeatmap.AddRange([firstSlider]));
+            AddStep("select first slider", () => EditorBeatmap.SelectedHitObjects.AddRange([firstSlider]));
+
+            AddStep("move mouse to middle of playfield", () => InputManager.MoveMouseTo(blueprintContainer.ScreenSpaceDrawQuad.Centre));
+            AddStep("control-click left mouse", () =>
+            {
+                InputManager.PressKey(Key.ControlLeft);
+                InputManager.Click(MouseButton.Left);
+                InputManager.ReleaseKey(Key.ControlLeft);
+            });
+            AddAssert("selection preserved", () => EditorBeatmap.SelectedHitObjects.Count, () => Is.EqualTo(1));
+        }
+
         private ComposeBlueprintContainer blueprintContainer
             => Editor.ChildrenOfType<ComposeBlueprintContainer>().First();
 

osu.Game.Rulesets.Osu.Tests/Editor/TestSceneOsuEditorGrids.cs

@@ -191,7 +191,7 @@ namespace osu.Game.Rulesets.Osu.Tests.Editor
 
         private void gridSizeIs(int size)
             => AddAssert($"grid size is {size}", () => this.ChildrenOfType<RectangularPositionSnapGrid>().Single().Spacing.Value == new Vector2(size)
-                                                       && EditorBeatmap.BeatmapInfo.GridSize == size);
+                                                       && EditorBeatmap.GridSize == size);
 
         [Test]
         public void TestGridTypeToggling()

osu.Game.Rulesets.Osu.Tests/Editor/TestSceneSliderDrawing.cs

@@ -8,6 +8,7 @@ using osu.Framework.Graphics.Containers;
 using osu.Framework.Input;
 using osu.Framework.Testing;
 using osu.Game.Beatmaps;
+using osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders;
 using osu.Game.Rulesets.Osu.Objects;
 using osu.Game.Rulesets.UI;
 using osu.Game.Screens.Edit.Components.RadioButtons;
@@ -24,38 +25,57 @@ namespace osu.Game.Rulesets.Osu.Tests.Editor
         protected override IBeatmap CreateBeatmap(RulesetInfo ruleset) => new TestBeatmap(ruleset, false);
 
         [Test]
-        public void TestTouchInputAfterTouchingComposeArea()
+        public void TestTouchInputPlaceHitCircleDirectly()
         {
             AddStep("tap circle", () => tap(this.ChildrenOfType<EditorRadioButton>().Single(b => b.Button.Label == "HitCircle")));
 
-            // this input is just for interacting with compose area
-            AddStep("tap playfield", () => tap(this.ChildrenOfType<Playfield>().Single()));
-
-            AddStep("move current time", () => InputManager.Key(Key.Right));
-
-            AddStep("tap to place circle", () => tap(this.ChildrenOfType<Playfield>().Single().ToScreenSpace(new Vector2(10, 10))));
+            AddStep("tap to place circle", () => tap(this.ChildrenOfType<Playfield>().Single()));
             AddAssert("circle placed correctly", () =>
             {
                 var circle = (HitCircle)EditorBeatmap.HitObjects.Single(h => h.StartTime == EditorClock.CurrentTimeAccurate);
                 Assert.Multiple(() =>
                 {
-                    Assert.That(circle.Position.X, Is.EqualTo(10f).Within(0.01f));
-                    Assert.That(circle.Position.Y, Is.EqualTo(10f).Within(0.01f));
+                    Assert.That(circle.Position.X, Is.EqualTo(256f).Within(0.01f));
+                    Assert.That(circle.Position.Y, Is.EqualTo(192f).Within(0.01f));
                 });
 
                 return true;
             });
+        }
 
-            AddStep("tap slider", () => tap(this.ChildrenOfType<EditorRadioButton>().Single(b => b.Button.Label == "Slider")));
+        [Test]
+        public void TestTouchInputPlaceCircleAfterTouchingComposeArea()
+        {
+            AddStep("tap circle", () => tap(this.ChildrenOfType<EditorRadioButton>().Single(b => b.Button.Label == "HitCircle")));
 
-            // this input is just for interacting with compose area
             AddStep("tap playfield", () => tap(this.ChildrenOfType<Playfield>().Single()));
+            AddAssert("circle placed", () => EditorBeatmap.HitObjects.Single(h => h.StartTime == EditorClock.CurrentTimeAccurate) is HitCircle);
 
-            AddStep("move current time", () => InputManager.Key(Key.Right));
+            AddStep("move forward", () => InputManager.Key(Key.Right));
+
+            AddStep("tap to place circle", () => tap(this.ChildrenOfType<Playfield>().Single()));
+            AddAssert("circle placed correctly", () =>
+            {
+                var circle = (HitCircle)EditorBeatmap.HitObjects.Single(h => h.StartTime == EditorClock.CurrentTimeAccurate);
+                Assert.Multiple(() =>
+                {
+                    Assert.That(circle.Position.X, Is.EqualTo(256f).Within(0.01f));
+                    Assert.That(circle.Position.Y, Is.EqualTo(192f).Within(0.01f));
+                });
+
+                return true;
+            });
+        }
+
+        [Test]
+        public void TestTouchInputPlaceSliderDirectly()
+        {
+            AddStep("tap slider", () => tap(this.ChildrenOfType<EditorRadioButton>().Single(b => b.Button.Label == "Slider")));
 
             AddStep("hold to draw slider", () => InputManager.BeginTouch(new Touch(TouchSource.Touch1, this.ChildrenOfType<Playfield>().Single().ToScreenSpace(new Vector2(50, 20)))));
             AddStep("drag to draw", () => InputManager.MoveTouchTo(new Touch(TouchSource.Touch1, this.ChildrenOfType<Playfield>().Single().ToScreenSpace(new Vector2(200, 50)))));
             AddAssert("selection not initiated", () => this.ChildrenOfType<DragBox>().All(d => d.State == Visibility.Hidden));
+            AddAssert("blueprint visible", () => this.ChildrenOfType<SliderPlacementBlueprint>().Single().Alpha > 0);
             AddStep("end", () => InputManager.EndTouch(new Touch(TouchSource.Touch1, InputManager.CurrentState.Touch.GetTouchPosition(TouchSource.Touch1)!.Value)));
             AddAssert("slider placed correctly", () =>
             {
@@ -76,12 +96,55 @@ namespace osu.Game.Rulesets.Osu.Tests.Editor
             });
         }
 
-        private void tap(Drawable drawable) => tap(drawable.ScreenSpaceDrawQuad.Centre);
+        [Test]
+        public void TestTouchInputPlaceSliderAfterTouchingComposeArea()
+        {
+            AddStep("tap slider", () => tap(this.ChildrenOfType<EditorRadioButton>().Single(b => b.Button.Label == "Slider")));
+
+            AddStep("tap playfield", () => tap(this.ChildrenOfType<Playfield>().Single()));
+            AddStep("tap and hold another spot", () => hold(this.ChildrenOfType<Playfield>().Single(), new Vector2(50, 0)));
+            AddUntilStep("wait for slider placement", () => EditorBeatmap.HitObjects.SingleOrDefault(h => h.StartTime == EditorClock.CurrentTimeAccurate) is Slider);
+            AddStep("end", () => InputManager.EndTouch(new Touch(TouchSource.Touch1, InputManager.CurrentState.Touch.GetTouchPosition(TouchSource.Touch1)!.Value)));
+
+            AddStep("move forward", () => InputManager.Key(Key.Right));
+
+            AddStep("hold to draw slider", () => InputManager.BeginTouch(new Touch(TouchSource.Touch1, this.ChildrenOfType<Playfield>().Single().ToScreenSpace(new Vector2(50, 20)))));
+            AddStep("drag to draw", () => InputManager.MoveTouchTo(new Touch(TouchSource.Touch1, this.ChildrenOfType<Playfield>().Single().ToScreenSpace(new Vector2(200, 50)))));
+            AddAssert("selection not initiated", () => this.ChildrenOfType<DragBox>().All(d => d.State == Visibility.Hidden));
+            AddAssert("blueprint visible", () => this.ChildrenOfType<SliderPlacementBlueprint>().Single().IsPresent);
+            AddStep("end", () => InputManager.EndTouch(new Touch(TouchSource.Touch1, InputManager.CurrentState.Touch.GetTouchPosition(TouchSource.Touch1)!.Value)));
+            AddAssert("slider placed correctly", () =>
+            {
+                var slider = (Slider)EditorBeatmap.HitObjects.Single(h => h.StartTime == EditorClock.CurrentTimeAccurate);
+                Assert.Multiple(() =>
+                {
+                    Assert.That(slider.Position.X, Is.EqualTo(50f).Within(0.01f));
+                    Assert.That(slider.Position.Y, Is.EqualTo(20f).Within(0.01f));
+                    Assert.That(slider.Path.ControlPoints.Count, Is.EqualTo(2));
+                    Assert.That(slider.Path.ControlPoints[0].Position, Is.EqualTo(Vector2.Zero));
+
+                    // the final position may be slightly off from the mouse position when drawing, account for that.
+                    Assert.That(slider.Path.ControlPoints[1].Position.X, Is.EqualTo(150).Within(5));
+                    Assert.That(slider.Path.ControlPoints[1].Position.Y, Is.EqualTo(30).Within(5));
+                });
+
+                return true;
+            });
+        }
+
+        private void tap(Drawable drawable, Vector2 offset = default) => tap(drawable.ToScreenSpace(drawable.LayoutRectangle.Centre + offset));
 
         private void tap(Vector2 position)
         {
-            InputManager.BeginTouch(new Touch(TouchSource.Touch1, position));
+            hold(position);
             InputManager.EndTouch(new Touch(TouchSource.Touch1, position));
         }
+
+        private void hold(Drawable drawable, Vector2 offset = default) => hold(drawable.ToScreenSpace(drawable.LayoutRectangle.Centre + offset));
+
+        private void hold(Vector2 position)
+        {
+            InputManager.BeginTouch(new Touch(TouchSource.Touch1, position));
+        }
     }
 }

osu.Game.Rulesets.Osu.Tests/Mods/TestSceneOsuModAlternate.cs

@@ -23,7 +23,7 @@ namespace osu.Game.Rulesets.Osu.Tests.Mods
             Mod = new OsuModAlternate(),
             PassCondition = () => Player.ScoreProcessor.Combo.Value == 4,
             Autoplay = false,
-            Beatmap = new Beatmap
+            CreateBeatmap = () => new Beatmap
             {
                 HitObjects = new List<HitObject>
                 {
@@ -68,7 +68,7 @@ namespace osu.Game.Rulesets.Osu.Tests.Mods
             Mod = new OsuModAlternate(),
             PassCondition = () => Player.ScoreProcessor.Combo.Value == 0 && Player.ScoreProcessor.HighestCombo.Value == 1,
             Autoplay = false,
-            Beatmap = new Beatmap
+            CreateBeatmap = () => new Beatmap
             {
                 HitObjects = new List<HitObject>
                 {
@@ -101,7 +101,7 @@ namespace osu.Game.Rulesets.Osu.Tests.Mods
             Mod = new OsuModAlternate(),
             PassCondition = () => Player.ScoreProcessor.Combo.Value == 1,
             Autoplay = false,
-            Beatmap = new Beatmap
+            CreateBeatmap = () => new Beatmap
             {
                 HitObjects = new List<HitObject>
                 {
@@ -131,7 +131,7 @@ namespace osu.Game.Rulesets.Osu.Tests.Mods
             Mod = new OsuModAlternate(),
             PassCondition = () => Player.ScoreProcessor.Combo.Value == 0 && Player.ScoreProcessor.HighestCombo.Value == 2,
             Autoplay = false,
-            Beatmap = new Beatmap
+            CreateBeatmap = () => new Beatmap
             {
                 Breaks =
                 {

osu.Game.Rulesets.Osu.Tests/Mods/TestSceneOsuModAutoplay.cs

@@ -60,7 +60,7 @@ namespace osu.Game.Rulesets.Osu.Tests.Mods
             CreateModTest(new ModTestData
             {
                 Autoplay = true,
-                Beatmap = new Beatmap
+                CreateBeatmap = () => new Beatmap
                 {
                     HitObjects = new List<HitObject>
                     {
@@ -90,7 +90,7 @@ namespace osu.Game.Rulesets.Osu.Tests.Mods
             {
                 Autoplay = true,
                 Mod = mod,
-                Beatmap = new Beatmap
+                CreateBeatmap = () => new Beatmap
                 {
                     HitObjects =
                     {

osu.Game.Rulesets.Osu.Tests/Mods/TestSceneOsuModDifficultyAdjust.cs

@@ -21,7 +21,7 @@ namespace osu.Game.Rulesets.Osu.Tests.Mods
         public void TestNoAdjustment() => CreateModTest(new ModTestData
         {
             Mod = new OsuModDifficultyAdjust(),
-            Beatmap = new Beatmap
+            CreateBeatmap = () => new Beatmap
             {
                 BeatmapInfo = new BeatmapInfo
                 {

osu.Game.Rulesets.Osu.Tests/Mods/TestSceneOsuModFlashlight.cs

@@ -68,7 +68,7 @@ namespace osu.Game.Rulesets.Osu.Tests.Mods
                         Player.GameplayClockContainer.CurrentTime < 1000 && Player.ChildrenOfType<ModFlashlight<OsuHitObject>.Flashlight>().Single().FlashlightDim > 0;
                     return Player.GameplayState.HasPassed && !sliderDimmedBeforeStartTime;
                 },
-                Beatmap = new OsuBeatmap
+                CreateBeatmap = () => new OsuBeatmap
                 {
                     HitObjects = new List<OsuHitObject>
                     {
@@ -83,10 +83,7 @@ namespace osu.Game.Rulesets.Osu.Tests.Mods
                             })
                         }
                     },
-                    BeatmapInfo =
-                    {
-                        StackLeniency = 0,
-                    }
+                    StackLeniency = 0,
                 },
                 ReplayFrames = new List<ReplayFrame>
                 {
@@ -114,7 +111,7 @@ namespace osu.Game.Rulesets.Osu.Tests.Mods
                         Player.GameplayClockContainer.CurrentTime >= 1000 && Player.ChildrenOfType<ModFlashlight<OsuHitObject>.Flashlight>().Single().FlashlightDim > 0;
                     return Player.GameplayState.HasPassed && sliderDimmed;
                 },
-                Beatmap = new OsuBeatmap
+                CreateBeatmap = () => new OsuBeatmap
                 {
                     HitObjects = new List<OsuHitObject>
                     {
@@ -153,7 +150,7 @@ namespace osu.Game.Rulesets.Osu.Tests.Mods
                         Player.GameplayClockContainer.CurrentTime >= 1000 && Player.ChildrenOfType<ModFlashlight<OsuHitObject>.Flashlight>().Single().FlashlightDim > 0;
                     return Player.GameplayState.HasPassed && sliderDimmed;
                 },
-                Beatmap = new OsuBeatmap
+                CreateBeatmap = () => new OsuBeatmap
                 {
                     HitObjects = new List<OsuHitObject>
                     {

osu.Game.Rulesets.Osu.Tests/Mods/TestSceneOsuModHidden.cs

@@ -28,7 +28,7 @@ namespace osu.Game.Rulesets.Osu.Tests.Mods
         {
             Mod = new TestOsuModHidden(),
             Autoplay = true,
-            Beatmap = new Beatmap
+            CreateBeatmap = () => new Beatmap
             {
                 HitObjects = new List<HitObject>
                 {
@@ -63,7 +63,7 @@ namespace osu.Game.Rulesets.Osu.Tests.Mods
         {
             Mod = new TestOsuModHidden(),
             Autoplay = true,
-            Beatmap = new Beatmap
+            CreateBeatmap = () => new Beatmap
             {
                 HitObjects = new List<HitObject>
                 {
@@ -98,7 +98,7 @@ namespace osu.Game.Rulesets.Osu.Tests.Mods
         {
             Mod = new TestOsuModHidden(),
             Autoplay = true,
-            Beatmap = new Beatmap
+            CreateBeatmap = () => new Beatmap
             {
                 HitObjects = new List<HitObject>
                 {
@@ -122,7 +122,7 @@ namespace osu.Game.Rulesets.Osu.Tests.Mods
         {
             Mod = new OsuModHidden { OnlyFadeApproachCircles = { Value = true } },
             Autoplay = true,
-            Beatmap = new Beatmap
+            CreateBeatmap = () => new Beatmap
             {
                 HitObjects = new List<HitObject>
                 {

osu.Game.Rulesets.Osu.Tests/Mods/TestSceneOsuModMirror.cs

@@ -21,7 +21,7 @@ namespace osu.Game.Rulesets.Osu.Tests.Mods
         public void TestCorrectReflections([Values] OsuModMirror.MirrorType type, [Values] bool withStrictTracking) => CreateModTest(new ModTestData
         {
             Autoplay = true,
-            Beatmap = new OsuBeatmap
+            CreateBeatmap = () => new OsuBeatmap
             {
                 HitObjects =
                 {

osu.Game.Rulesets.Osu.Tests/Mods/TestSceneOsuModNoScope.cs

@@ -31,7 +31,7 @@ namespace osu.Game.Rulesets.Osu.Tests.Mods
                 },
                 Autoplay = true,
                 PassCondition = () => true,
-                Beatmap = new Beatmap
+                CreateBeatmap = () => new Beatmap
                 {
                     HitObjects = new List<HitObject>
                     {
@@ -71,7 +71,7 @@ namespace osu.Game.Rulesets.Osu.Tests.Mods
                 },
                 Autoplay = true,
                 PassCondition = () => true,
-                Beatmap = new Beatmap
+                CreateBeatmap = () => new Beatmap
                 {
                     HitObjects = new List<HitObject>
                     {
@@ -113,7 +113,7 @@ namespace osu.Game.Rulesets.Osu.Tests.Mods
                 },
                 Autoplay = true,
                 PassCondition = () => true,
-                Beatmap = new Beatmap
+                CreateBeatmap = () => new Beatmap
                 {
                     HitObjects = new List<HitObject>
                     {

osu.Game.Rulesets.Osu.Tests/Mods/TestSceneOsuModPerfect.cs

@@ -61,7 +61,7 @@ namespace osu.Game.Rulesets.Osu.Tests.Mods
             Mod = new OsuModPerfect(),
             PassCondition = () => ((ModFailConditionTestPlayer)Player).CheckFailed(true),
             Autoplay = false,
-            Beatmap = new Beatmap
+            CreateBeatmap = () => new Beatmap
             {
                 HitObjects = new List<HitObject>
                 {

osu.Game.Rulesets.Osu.Tests/Mods/TestSceneOsuModRandom.cs

@@ -36,7 +36,7 @@ namespace osu.Game.Rulesets.Osu.Tests.Mods
             {
                 AngleSharpness = { Value = angleSharpness }
             },
-            Beatmap = jumpBeatmap,
+            CreateBeatmap = jumpBeatmap,
             Autoplay = true,
             PassCondition = () => true
         });
@@ -50,15 +50,15 @@ namespace osu.Game.Rulesets.Osu.Tests.Mods
             {
                 AngleSharpness = { Value = angleSharpness }
             },
-            Beatmap = streamBeatmap,
+            CreateBeatmap = streamBeatmap,
             Autoplay = true,
             PassCondition = () => true
         });
 
-        private OsuBeatmap jumpBeatmap =>
+        private OsuBeatmap jumpBeatmap() =>
             createHitCircleBeatmap(new[] { 100, 200, 300, 400 }, 8, 300, 2 * 300);
 
-        private OsuBeatmap streamBeatmap =>
+        private OsuBeatmap streamBeatmap() =>
             createHitCircleBeatmap(new[] { 10, 20, 30, 40, 50, 60, 70, 80 }, 16, 150, 4 * 150);
 
         private OsuBeatmap createHitCircleBeatmap(IEnumerable<int> spacings, int objectsPerSpacing, int interval, int beatLength)
@@ -74,12 +74,12 @@ namespace osu.Game.Rulesets.Osu.Tests.Mods
             {
                 BeatmapInfo = new BeatmapInfo
                 {
-                    StackLeniency = 0,
                     Difficulty = new BeatmapDifficulty
                     {
                         ApproachRate = 8.5f
                     }
                 },
+                StackLeniency = 0,
                 ControlPointInfo = controlPointInfo
             };
 

osu.Game.Rulesets.Osu.Tests/Mods/TestSceneOsuModSingleTap.cs

@@ -22,7 +22,7 @@ namespace osu.Game.Rulesets.Osu.Tests.Mods
             Mod = new OsuModSingleTap(),
             PassCondition = () => Player.ScoreProcessor.Combo.Value == 2,
             Autoplay = false,
-            Beatmap = new Beatmap
+            CreateBeatmap = () => new Beatmap
             {
                 HitObjects = new List<HitObject>
                 {
@@ -62,7 +62,7 @@ namespace osu.Game.Rulesets.Osu.Tests.Mods
             Mod = new OsuModSingleTap(),
             PassCondition = () => Player.ScoreProcessor.Combo.Value == 0 && Player.ScoreProcessor.HighestCombo.Value == 1,
             Autoplay = false,
-            Beatmap = new Beatmap
+            CreateBeatmap = () => new Beatmap
             {
                 HitObjects = new List<HitObject>
                 {
@@ -100,7 +100,7 @@ namespace osu.Game.Rulesets.Osu.Tests.Mods
             Mod = new OsuModSingleTap(),
             PassCondition = () => Player.ScoreProcessor.Combo.Value == 1,
             Autoplay = false,
-            Beatmap = new Beatmap
+            CreateBeatmap = () => new Beatmap
             {
                 HitObjects = new List<HitObject>
                 {
@@ -130,7 +130,7 @@ namespace osu.Game.Rulesets.Osu.Tests.Mods
             Mod = new OsuModSingleTap(),
             PassCondition = () => Player.ScoreProcessor.Combo.Value == 0 && Player.ScoreProcessor.HighestCombo.Value == 2,
             Autoplay = false,
-            Beatmap = new Beatmap
+            CreateBeatmap = () => new Beatmap
             {
                 Breaks =
                 {

osu.Game.Rulesets.Osu.Tests/Mods/TestSceneOsuModSpunOut.cs

@@ -35,7 +35,7 @@ namespace osu.Game.Rulesets.Osu.Tests.Mods
             {
                 Mod = new OsuModSpunOut(),
                 Autoplay = false,
-                Beatmap = singleSpinnerBeatmap,
+                CreateBeatmap = singleSpinnerBeatmap,
                 PassCondition = () =>
                 {
                     // Bind to the first spinner's results for further tracking.
@@ -71,7 +71,7 @@ namespace osu.Game.Rulesets.Osu.Tests.Mods
             {
                 Mods = mods,
                 Autoplay = false,
-                Beatmap = singleSpinnerBeatmap,
+                CreateBeatmap = singleSpinnerBeatmap,
                 PassCondition = () =>
                 {
                     var counter = Player.ChildrenOfType<SpinnerSpmCalculator>().SingleOrDefault();
@@ -101,7 +101,7 @@ namespace osu.Game.Rulesets.Osu.Tests.Mods
             {
                 Mod = new OsuModSpunOut(),
                 Autoplay = false,
-                Beatmap = singleSpinnerBeatmap,
+                CreateBeatmap = singleSpinnerBeatmap,
                 PassCondition = () =>
                 {
                     // Bind to the first spinner's results for further tracking.
@@ -130,7 +130,7 @@ namespace osu.Game.Rulesets.Osu.Tests.Mods
             });
         }
 
-        private Beatmap singleSpinnerBeatmap => new Beatmap
+        private Beatmap singleSpinnerBeatmap() => new Beatmap
         {
             HitObjects = new List<HitObject>
             {

osu.Game.Rulesets.Osu.Tests/Mods/TestSceneOsuModStrictTracking.cs

@@ -20,7 +20,7 @@ namespace osu.Game.Rulesets.Osu.Tests.Mods
         {
             Mod = new OsuModStrictTracking(),
             Autoplay = false,
-            Beatmap = new Beatmap
+            CreateBeatmap = () => new Beatmap
             {
                 HitObjects = new List<HitObject>
                 {

osu.Game.Rulesets.Osu.Tests/Mods/TestSceneOsuModSuddenDeath.cs

@@ -30,7 +30,7 @@ namespace osu.Game.Rulesets.Osu.Tests.Mods
             Mod = new OsuModSuddenDeath(),
             PassCondition = () => ((ModFailConditionTestPlayer)Player).CheckFailed(false),
             Autoplay = false,
-            Beatmap = new Beatmap
+            CreateBeatmap = () => new Beatmap
             {
                 HitObjects = new List<HitObject>
                 {
@@ -55,7 +55,7 @@ namespace osu.Game.Rulesets.Osu.Tests.Mods
             Mod = new OsuModSuddenDeath(),
             PassCondition = () => ((ModFailConditionTestPlayer)Player).CheckFailed(true),
             Autoplay = false,
-            Beatmap = new Beatmap
+            CreateBeatmap = () => new Beatmap
             {
                 HitObjects = new List<HitObject>
                 {

osu.Game.Rulesets.Osu.Tests/TestSceneMissHitWindowJudgements.cs

@@ -36,7 +36,7 @@ namespace osu.Game.Rulesets.Osu.Tests
             {
                 Autoplay = false,
                 Mod = new TestAutoMod(),
-                Beatmap = new Beatmap
+                CreateBeatmap = () => new Beatmap
                 {
                     HitObjects = { new HitCircle { Position = new Vector2(256, 192) } }
                 },
@@ -47,18 +47,16 @@ namespace osu.Game.Rulesets.Osu.Tests
         [Test]
         public void TestMissViaNotHitting()
         {
-            var beatmap = new Beatmap
-            {
-                HitObjects = { new HitCircle { Position = new Vector2(256, 192) } }
-            };
-
             var hitWindows = new OsuHitWindows();
-            hitWindows.SetDifficulty(beatmap.Difficulty.OverallDifficulty);
+            hitWindows.SetDifficulty(IBeatmapDifficultyInfo.DEFAULT_DIFFICULTY);
 
             CreateModTest(new ModTestData
             {
                 Autoplay = false,
-                Beatmap = beatmap,
+                CreateBeatmap = () => new Beatmap
+                {
+                    HitObjects = { new HitCircle { Position = new Vector2(256, 192) } }
+                },
                 PassCondition = () => Player.Results.Count > 0 && Player.Results[0].TimeOffset >= hitWindows.WindowFor(HitResult.Meh) && !Player.Results[0].IsHit
             });
         }

osu.Game.Rulesets.Osu.Tests/TestSceneSliderLateHitJudgement.cs

@@ -465,7 +465,7 @@ namespace osu.Game.Rulesets.Osu.Tests
         private void performTest(List<ReplayFrame> frames, Beatmap<OsuHitObject> beatmap)
         {
             beatmap.BeatmapInfo.Ruleset = new OsuRuleset().RulesetInfo;
-            beatmap.BeatmapInfo.StackLeniency = 0;
+            beatmap.StackLeniency = 0;
             beatmap.BeatmapInfo.Difficulty = new BeatmapDifficulty
             {
                 SliderMultiplier = 4,

osu.Game.Rulesets.Osu/Beatmaps/OsuBeatmapProcessor.cs

@@ -56,13 +56,13 @@ namespace osu.Game.Rulesets.Osu.Beatmaps
                     h.StackHeight = 0;
 
                 if (beatmap.BeatmapInfo.BeatmapVersion >= 6)
-                    applyStacking(beatmap.BeatmapInfo, hitObjects, 0, hitObjects.Count - 1);
+                    applyStacking(beatmap, hitObjects, 0, hitObjects.Count - 1);
                 else
-                    applyStackingOld(beatmap.BeatmapInfo, hitObjects);
+                    applyStackingOld(beatmap, hitObjects);
             }
         }
 
-        private static void applyStacking(BeatmapInfo beatmapInfo, List<OsuHitObject> hitObjects, int startIndex, int endIndex)
+        private static void applyStacking(IBeatmap beatmap, List<OsuHitObject> hitObjects, int startIndex, int endIndex)
         {
             ArgumentOutOfRangeException.ThrowIfGreaterThan(startIndex, endIndex);
             ArgumentOutOfRangeException.ThrowIfNegative(startIndex);
@@ -87,7 +87,7 @@ namespace osu.Game.Rulesets.Osu.Beatmaps
                             continue;
 
                         double endTime = stackBaseObject.GetEndTime();
-                        double stackThreshold = objectN.TimePreempt * beatmapInfo.StackLeniency;
+                        double stackThreshold = objectN.TimePreempt * beatmap.StackLeniency;
 
                         if (objectN.StartTime - endTime > stackThreshold)
                             // We are no longer within stacking range of the next object.
@@ -132,7 +132,7 @@ namespace osu.Game.Rulesets.Osu.Beatmaps
                 OsuHitObject objectI = hitObjects[i];
                 if (objectI.StackHeight != 0 || objectI is Spinner) continue;
 
-                double stackThreshold = objectI.TimePreempt * beatmapInfo.StackLeniency;
+                double stackThreshold = objectI.TimePreempt * beatmap.StackLeniency;
 
                 /* If this object is a hitcircle, then we enter this "special" case.
                  * It either ends with a stack of hitcircles only, or a stack of hitcircles that are underneath a slider.
@@ -214,7 +214,7 @@ namespace osu.Game.Rulesets.Osu.Beatmaps
             }
         }
 
-        private static void applyStackingOld(BeatmapInfo beatmapInfo, List<OsuHitObject> hitObjects)
+        private static void applyStackingOld(IBeatmap beatmap, List<OsuHitObject> hitObjects)
         {
             for (int i = 0; i < hitObjects.Count; i++)
             {
@@ -228,7 +228,7 @@ namespace osu.Game.Rulesets.Osu.Beatmaps
 
                 for (int j = i + 1; j < hitObjects.Count; j++)
                 {
-                    double stackThreshold = hitObjects[i].TimePreempt * beatmapInfo.StackLeniency;
+                    double stackThreshold = hitObjects[i].TimePreempt * beatmap.StackLeniency;
 
                     if (hitObjects[j].StartTime - stackThreshold > startTime)
                         break;

osu.Game.Rulesets.Osu/Difficulty/Evaluators/AimEvaluator.cs

@@ -3,6 +3,7 @@
 
 using System;
 using osu.Game.Rulesets.Difficulty.Preprocessing;
+using osu.Game.Rulesets.Difficulty.Utils;
 using osu.Game.Rulesets.Osu.Difficulty.Preprocessing;
 using osu.Game.Rulesets.Osu.Objects;
 
@@ -33,6 +34,9 @@ namespace osu.Game.Rulesets.Osu.Difficulty.Evaluators
             var osuLastObj = (OsuDifficultyHitObject)current.Previous(0);
             var osuLastLastObj = (OsuDifficultyHitObject)current.Previous(1);
 
+            const int radius = OsuDifficultyHitObject.NORMALISED_RADIUS;
+            const int diameter = OsuDifficultyHitObject.NORMALISED_DIAMETER;
+
             // Calculate the velocity to the current hitobject, which starts with a base distance / time assuming the last object is a hitcircle.
             double currVelocity = osuCurrObj.LazyJumpDistance / osuCurrObj.StrainTime;
 
@@ -77,14 +81,14 @@ namespace osu.Game.Rulesets.Osu.Difficulty.Evaluators
                     wideAngleBonus = calcWideAngleBonus(currAngle);
                     acuteAngleBonus = calcAcuteAngleBonus(currAngle);
 
-                    if (osuCurrObj.StrainTime > 100) // Only buff deltaTime exceeding 300 bpm 1/2.
+                    if (DifficultyCalculationUtils.MillisecondsToBPM(osuCurrObj.StrainTime, 2) < 300) // Only buff deltaTime exceeding 300 bpm 1/2.
                         acuteAngleBonus = 0;
                     else
                     {
                         acuteAngleBonus *= calcAcuteAngleBonus(lastAngle) // Multiply by previous angle, we don't want to buff unless this is a wiggle type pattern.
-                                           * Math.Min(angleBonus, 125 / osuCurrObj.StrainTime) // The maximum velocity we buff is equal to 125 / strainTime
+                                           * Math.Min(angleBonus, diameter * 1.25 / osuCurrObj.StrainTime) // The maximum velocity we buff is equal to 125 / strainTime
                                            * Math.Pow(Math.Sin(Math.PI / 2 * Math.Min(1, (100 - osuCurrObj.StrainTime) / 25)), 2) // scale buff from 150 bpm 1/4 to 200 bpm 1/4
-                                           * Math.Pow(Math.Sin(Math.PI / 2 * (Math.Clamp(osuCurrObj.LazyJumpDistance, 50, 100) - 50) / 50), 2); // Buff distance exceeding 50 (radius) up to 100 (diameter).
+                                           * Math.Pow(Math.Sin(Math.PI / 2 * (Math.Clamp(osuCurrObj.LazyJumpDistance, radius, diameter) - radius) / radius), 2); // Buff distance exceeding radius up to diameter.
                     }
 
                     // Penalize wide angles if they're repeated, reducing the penalty as the lastAngle gets more acute.
@@ -104,7 +108,7 @@ namespace osu.Game.Rulesets.Osu.Difficulty.Evaluators
                 double distRatio = Math.Pow(Math.Sin(Math.PI / 2 * Math.Abs(prevVelocity - currVelocity) / Math.Max(prevVelocity, currVelocity)), 2);
 
                 // Reward for % distance up to 125 / strainTime for overlaps where velocity is still changing.
-                double overlapVelocityBuff = Math.Min(125 / Math.Min(osuCurrObj.StrainTime, osuLastObj.StrainTime), Math.Abs(prevVelocity - currVelocity));
+                double overlapVelocityBuff = Math.Min(diameter * 1.25 / Math.Min(osuCurrObj.StrainTime, osuLastObj.StrainTime), Math.Abs(prevVelocity - currVelocity));
 
                 velocityChangeBonus = overlapVelocityBuff * distRatio;
 

osu.Game.Rulesets.Osu/Difficulty/Evaluators/RhythmEvaluator.cs

@@ -5,6 +5,7 @@ using System;
 using System.Collections.Generic;
 using System.Linq;
 using osu.Game.Rulesets.Difficulty.Preprocessing;
+using osu.Game.Rulesets.Difficulty.Utils;
 using osu.Game.Rulesets.Osu.Difficulty.Preprocessing;
 using osu.Game.Rulesets.Osu.Objects;
 
@@ -120,7 +121,7 @@ namespace osu.Game.Rulesets.Osu.Difficulty.Evaluators
                                 islandCount.Count++;
 
                             // repeated island (ex: triplet -> triplet)
-                            double power = logistic(island.Delta, 2.75, 0.24, 14);
+                            double power = DifficultyCalculationUtils.Logistic(island.Delta, maxValue: 2.75, multiplier: 0.24, midpointOffset: 58.33);
                             effectiveRatio *= Math.Min(3.0 / islandCount.Count, Math.Pow(1.0 / islandCount.Count, power));
 
                             islandCounts[countIndex] = (islandCount.Island, islandCount.Count);
@@ -172,8 +173,6 @@ namespace osu.Game.Rulesets.Osu.Difficulty.Evaluators
             return Math.Sqrt(4 + rhythmComplexitySum * rhythm_overall_multiplier) / 2.0; // produces multiplier that can be applied to strain. range [1, infinity) (not really though)
         }
 
-        private static double logistic(double x, double maxValue, double multiplier, double offset) => (maxValue / (1 + Math.Pow(Math.E, offset - (multiplier * x))));
-
         private class Island : IEquatable<Island>
         {
             private readonly double deltaDifferenceEpsilon;

osu.Game.Rulesets.Osu/Difficulty/Evaluators/SpeedEvaluator.cs

@@ -3,6 +3,7 @@
 
 using System;
 using osu.Game.Rulesets.Difficulty.Preprocessing;
+using osu.Game.Rulesets.Difficulty.Utils;
 using osu.Game.Rulesets.Osu.Difficulty.Preprocessing;
 using osu.Game.Rulesets.Osu.Objects;
 
@@ -10,8 +11,8 @@ namespace osu.Game.Rulesets.Osu.Difficulty.Evaluators
 {
     public static class SpeedEvaluator
     {
-        private const double single_spacing_threshold = 125; // 1.25 circles distance between centers
-        private const double min_speed_bonus = 75; // ~200BPM
+        private const double single_spacing_threshold = OsuDifficultyHitObject.NORMALISED_DIAMETER * 1.25; // 1.25 circles distance between centers
+        private const double min_speed_bonus = 200; // 200 BPM 1/4th
         private const double speed_balancing_factor = 40;
         private const double distance_multiplier = 0.94;
 
@@ -43,8 +44,8 @@ namespace osu.Game.Rulesets.Osu.Difficulty.Evaluators
             double speedBonus = 0.0;
 
             // Add additional scaling bonus for streams/bursts higher than 200bpm
-            if (strainTime < min_speed_bonus)
-                speedBonus = 0.75 * Math.Pow((min_speed_bonus - strainTime) / speed_balancing_factor, 2);
+            if (DifficultyCalculationUtils.MillisecondsToBPM(strainTime) > min_speed_bonus)
+                speedBonus = 0.75 * Math.Pow((DifficultyCalculationUtils.BPMToMilliseconds(min_speed_bonus) - strainTime) / speed_balancing_factor, 2);
 
             double travelDistance = osuPrevObj?.TravelDistance ?? 0;
             double distance = travelDistance + osuCurrObj.MinimumJumpDistance;

osu.Game.Rulesets.Osu/Difficulty/Preprocessing/OsuDifficultyHitObject.cs

@@ -20,6 +20,8 @@ namespace osu.Game.Rulesets.Osu.Difficulty.Preprocessing
         /// </summary>
         public const int NORMALISED_RADIUS = 50; // Change radius to 50 to make 100 the diameter. Easier for mental maths.
 
+        public const int NORMALISED_DIAMETER = NORMALISED_RADIUS * 2;
+
         public const int MIN_DELTA_TIME = 25;
 
         private const float maximum_slider_radius = NORMALISED_RADIUS * 2.4f;

osu.Game.Rulesets.Osu/Difficulty/Skills/OsuStrainSkill.cs

@@ -23,8 +23,6 @@ namespace osu.Game.Rulesets.Osu.Difficulty.Skills
         /// </summary>
         protected virtual double ReducedStrainBaseline => 0.75;
 
-        protected double Difficulty;
-
         protected OsuStrainSkill(Mod[] mods)
             : base(mods)
         {
@@ -32,7 +30,7 @@ namespace osu.Game.Rulesets.Osu.Difficulty.Skills
 
         public override double DifficultyValue()
         {
-            Difficulty = 0;
+            double difficulty = 0;
             double weight = 1;
 
             // Sections with 0 strain are excluded to avoid worst-case time complexity of the following sort (e.g. /b/2351871).
@@ -52,11 +50,11 @@ namespace osu.Game.Rulesets.Osu.Difficulty.Skills
             // We're sorting from highest to lowest strain.
             foreach (double strain in strains.OrderDescending())
             {
-                Difficulty += strain * weight;
+                difficulty += strain * weight;
                 weight *= DecayWeight;
             }
 
-            return Difficulty;
+            return difficulty;
         }
 
         public static double DifficultyToPerformance(double difficulty) => Math.Pow(5.0 * Math.Max(1.0, difficulty / 0.0675) - 4.0, 3.0) / 100000.0;

osu.Game.Rulesets.Osu/Edit/Blueprints/GridPlacementBlueprint.cs

@@ -2,6 +2,7 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using osu.Framework.Allocation;
+using osu.Framework.Graphics.Containers;
 using osu.Framework.Input.Events;
 using osu.Game.Rulesets.Edit;
 using osuTK;
@@ -31,12 +32,7 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints
         public override void EndPlacement(bool commit)
         {
             if (!commit && PlacementActive != PlacementState.Finished)
-            {
-                gridToolboxGroup.StartPosition.Value = originalOrigin;
-                gridToolboxGroup.Spacing.Value = originalSpacing;
-                if (!gridToolboxGroup.GridLinesRotation.Disabled)
-                    gridToolboxGroup.GridLinesRotation.Value = originalRotation;
-            }
+                resetGridState();
 
             base.EndPlacement(commit);
 
@@ -103,6 +99,9 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints
 
         public override void UpdateTimeAndPosition(SnapResult result)
         {
+            if (State.Value == Visibility.Hidden)
+                return;
+
             var pos = ToLocalSpace(result.ScreenSpacePosition);
 
             if (PlacementActive != PlacementState.Active)
@@ -122,5 +121,19 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints
                 }
             }
         }
+
+        protected override void PopOut()
+        {
+            base.PopOut();
+            resetGridState();
+        }
+
+        private void resetGridState()
+        {
+            gridToolboxGroup.StartPosition.Value = originalOrigin;
+            gridToolboxGroup.Spacing.Value = originalSpacing;
+            if (!gridToolboxGroup.GridLinesRotation.Disabled)
+                gridToolboxGroup.GridLinesRotation.Value = originalRotation;
+        }
     }
 }

osu.Game.Rulesets.Osu/Edit/Blueprints/Sliders/SliderPlacementBlueprint.cs

@@ -156,6 +156,13 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders
             return true;
         }
 
+        // this allows sliders to be drawn outside compose area (after starting from a point within the compose area).
+        public override bool ReceivePositionalInputAt(Vector2 screenSpacePos) => base.ReceivePositionalInputAt(screenSpacePos) || PlacementActive == PlacementState.Active;
+
+        // ReceivePositionalInputAtSubTree generally always returns true when masking is disabled, but we don't want that,
+        // otherwise a slider path tooltip will be displayed anywhere in the editor (outside compose area).
+        protected override bool ReceivePositionalInputAtSubTree(Vector2 screenSpacePos) => ReceivePositionalInputAt(screenSpacePos);
+
         private void beginNewSegment(PathControlPoint lastPoint)
         {
             segmentStart = lastPoint;

osu.Game.Rulesets.Osu/Edit/OsuDistanceSnapProvider.cs

@@ -12,7 +12,7 @@ namespace osu.Game.Rulesets.Osu.Edit
 {
     public partial class OsuDistanceSnapProvider : ComposerDistanceSnapProvider
     {
-        protected override double ReadCurrentDistanceSnap(HitObject before, HitObject after)
+        public override double ReadCurrentDistanceSnap(HitObject before, HitObject after)
         {
             float expectedDistance = DurationToDistance(before, after.StartTime - before.GetEndTime());
             float actualDistance = Vector2.Distance(((OsuHitObject)before).EndPosition, ((OsuHitObject)after).Position);

osu.Game.Rulesets.Osu/Edit/OsuGridToolboxGroup.cs

@@ -38,6 +38,7 @@ namespace osu.Game.Rulesets.Osu.Edit
         {
             MinValue = 0f,
             MaxValue = OsuPlayfield.BASE_SIZE.X,
+            Precision = 0.01f,
         };
 
         /// <summary>
@@ -47,6 +48,7 @@ namespace osu.Game.Rulesets.Osu.Edit
         {
             MinValue = 0f,
             MaxValue = OsuPlayfield.BASE_SIZE.Y,
+            Precision = 0.01f,
         };
 
         /// <summary>
@@ -56,6 +58,7 @@ namespace osu.Game.Rulesets.Osu.Edit
         {
             MinValue = 4f,
             MaxValue = 128f,
+            Precision = 0.01f,
         };
 
         /// <summary>
@@ -65,6 +68,7 @@ namespace osu.Game.Rulesets.Osu.Edit
         {
             MinValue = -180f,
             MaxValue = 180f,
+            Precision = 0.01f,
         };
 
         /// <summary>
@@ -166,7 +170,7 @@ namespace osu.Game.Rulesets.Osu.Edit
                 },
             };
 
-            Spacing.Value = editorBeatmap.BeatmapInfo.GridSize;
+            Spacing.Value = editorBeatmap.GridSize;
         }
 
         protected override void LoadComplete()
@@ -200,7 +204,7 @@ namespace osu.Game.Rulesets.Osu.Edit
                 spacingSlider.ContractedLabelText = $"S: {spacing.NewValue:#,0.##}";
                 spacingSlider.ExpandedLabelText = $"Spacing: {spacing.NewValue:#,0.##}";
                 SpacingVector.Value = new Vector2(spacing.NewValue);
-                editorBeatmap.BeatmapInfo.GridSize = (int)spacing.NewValue;
+                editorBeatmap.GridSize = (int)spacing.NewValue;
             }, true);
 
             GridLinesRotation.BindValueChanged(rotation =>

osu.Game.Rulesets.Osu/Edit/PolygonGenerationPopover.cs

@@ -50,9 +50,14 @@ namespace osu.Game.Rulesets.Osu.Edit
         [Resolved]
         private HitObjectComposer composer { get; set; } = null!;
 
+        private Bindable<TernaryState> newComboState = null!;
+
         [BackgroundDependencyLoader]
         private void load()
         {
+            var selectionHandler = (EditorSelectionHandler)composer.BlueprintContainer.SelectionHandler;
+            newComboState = selectionHandler.SelectionNewComboState.GetBoundCopy();
+
             AllowableAnchors = new[] { Anchor.CentreLeft, Anchor.CentreRight };
 
             Child = new FillFlowContainer
@@ -120,10 +125,11 @@ namespace osu.Game.Rulesets.Osu.Edit
             changeHandler?.BeginChange();
             began = true;
 
-            distanceSnapInput.Current.BindValueChanged(_ => tryCreatePolygon());
-            offsetAngleInput.Current.BindValueChanged(_ => tryCreatePolygon());
-            repeatCountInput.Current.BindValueChanged(_ => tryCreatePolygon());
-            pointInput.Current.BindValueChanged(_ => tryCreatePolygon());
+            distanceSnapInput.Current.BindValueChanged(_ => Scheduler.AddOnce(tryCreatePolygon));
+            offsetAngleInput.Current.BindValueChanged(_ => Scheduler.AddOnce(tryCreatePolygon));
+            repeatCountInput.Current.BindValueChanged(_ => Scheduler.AddOnce(tryCreatePolygon));
+            pointInput.Current.BindValueChanged(_ => Scheduler.AddOnce(tryCreatePolygon));
+            newComboState.BindValueChanged(_ => Scheduler.AddOnce(tryCreatePolygon));
             tryCreatePolygon();
         }
 
@@ -138,39 +144,69 @@ namespace osu.Game.Rulesets.Osu.Edit
             double length = distanceSnapInput.Current.Value * velocity * timeSpacing;
             float polygonRadius = (float)(length / (2 * Math.Sin(double.Pi / pointInput.Current.Value)));
 
-            editorBeatmap.RemoveRange(insertedCircles);
-            insertedCircles.Clear();
+            int totalPoints = pointInput.Current.Value * repeatCountInput.Current.Value;
 
-            var selectionHandler = (EditorSelectionHandler)composer.BlueprintContainer.SelectionHandler;
-            bool first = true;
-
-            for (int i = 1; i <= pointInput.Current.Value * repeatCountInput.Current.Value; ++i)
+            if (insertedCircles.Count > totalPoints)
             {
-                float angle = float.DegreesToRadians(offsetAngleInput.Current.Value) + i * (2 * float.Pi / pointInput.Current.Value);
-                var position = OsuPlayfield.BASE_SIZE / 2 + new Vector2(polygonRadius * float.Cos(angle), polygonRadius * float.Sin(angle));
+                editorBeatmap.RemoveRange(insertedCircles.GetRange(totalPoints, insertedCircles.Count - totalPoints));
+                insertedCircles.RemoveRange(totalPoints, insertedCircles.Count - totalPoints);
+            }
 
-                var circle = new HitCircle
+            var newlyAdded = new List<HitCircle>();
+
+            for (int i = 0; i < totalPoints; ++i)
+            {
+                float angle = float.DegreesToRadians(offsetAngleInput.Current.Value) + (i + 1) * (2 * float.Pi / pointInput.Current.Value);
+                var position = OsuPlayfield.BASE_SIZE / 2 + new Vector2(polygonRadius * float.Cos(angle), polygonRadius * float.Sin(angle));
+                bool newCombo = i == 0 && newComboState.Value == TernaryState.True;
+
+                HitCircle circle;
+
+                if (i < insertedCircles.Count)
                 {
-                    Position = position,
-                    StartTime = startTime,
-                    NewCombo = first && selectionHandler.SelectionNewComboState.Value == TernaryState.True,
-                };
-                // TODO: probably ensure samples also follow current ternary status (not trivial)
-                circle.Samples.Add(circle.CreateHitSampleInfo());
+                    circle = insertedCircles[i];
+
+                    circle.Position = position;
+                    circle.StartTime = startTime;
+                    circle.NewCombo = newCombo;
+
+                    editorBeatmap.Update(circle);
+                }
+                else
+                {
+                    circle = new HitCircle
+                    {
+                        Position = position,
+                        StartTime = startTime,
+                        NewCombo = newCombo,
+                    };
+
+                    newlyAdded.Add(circle);
+
+                    // TODO: probably ensure samples also follow current ternary status (not trivial)
+                    circle.Samples.Add(circle.CreateHitSampleInfo());
+                }
 
                 if (position.X < 0 || position.Y < 0 || position.X > OsuPlayfield.BASE_SIZE.X || position.Y > OsuPlayfield.BASE_SIZE.Y)
                 {
                     commitButton.Enabled.Value = false;
+                    editorBeatmap.RemoveRange(insertedCircles);
+                    insertedCircles.Clear();
                     return;
                 }
 
-                insertedCircles.Add(circle);
                 startTime = beatSnapProvider.SnapTime(startTime + timeSpacing);
-
-                first = false;
             }
 
-            editorBeatmap.AddRange(insertedCircles);
+            var previousNewComboState = newComboState.Value;
+
+            insertedCircles.AddRange(newlyAdded);
+            editorBeatmap.AddRange(newlyAdded);
+
+            // When adding new hitObjects, newCombo state will get reset to false when no objects are selected.
+            // Since this is the case when this popover is showing, we need to restore the previous newCombo state
+            newComboState.Value = previousNewComboState;
+
             commitButton.Enabled.Value = true;
         }
 

osu.Game.Rulesets.Osu/Edit/Setup/OsuDifficultySection.cs

@@ -119,7 +119,7 @@ namespace osu.Game.Rulesets.Osu.Edit.Setup
                 {
                     Caption = "Stack Leniency",
                     HintText = "In play mode, osu! automatically stacks notes which occur at the same location. Increasing this value means it is more likely to snap notes of further time-distance.",
-                    Current = new BindableFloat(Beatmap.BeatmapInfo.StackLeniency)
+                    Current = new BindableFloat(Beatmap.StackLeniency)
                     {
                         Default = 0.7f,
                         MinValue = 0,
@@ -148,7 +148,7 @@ namespace osu.Game.Rulesets.Osu.Edit.Setup
             Beatmap.Difficulty.OverallDifficulty = overallDifficultySlider.Current.Value;
             Beatmap.Difficulty.SliderMultiplier = baseVelocitySlider.Current.Value;
             Beatmap.Difficulty.SliderTickRate = tickRateSlider.Current.Value;
-            Beatmap.BeatmapInfo.StackLeniency = stackLeniency.Current.Value;
+            Beatmap.StackLeniency = stackLeniency.Current.Value;
 
             Beatmap.UpdateAllHitObjects();
             Beatmap.SaveState();

osu.Game.Rulesets.Osu/Mods/OsuModBloom.cs

@@ -0,0 +1,85 @@
+// 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 osu.Framework.Bindables;
+using osu.Framework.Localisation;
+using osu.Framework.Utils;
+using osu.Game.Configuration;
+using osu.Game.Graphics.UserInterface;
+using osu.Game.Overlays.Settings;
+using osu.Game.Rulesets.Mods;
+using osu.Game.Rulesets.Osu.UI.Cursor;
+using osu.Game.Rulesets.Scoring;
+using osu.Game.Rulesets.UI;
+using osu.Game.Scoring;
+using osu.Game.Screens.Play;
+
+namespace osu.Game.Rulesets.Osu.Mods
+{
+    public class OsuModBloom : Mod, IApplicableToScoreProcessor, IUpdatableByPlayfield, IApplicableToPlayer
+    {
+        public override string Name => "Bloom";
+        public override string Acronym => "BM";
+        public override ModType Type => ModType.Fun;
+        public override LocalisableString Description => "The cursor blooms into.. a larger cursor!";
+        public override double ScoreMultiplier => 1;
+        protected const float MIN_SIZE = 1;
+        protected const float TRANSITION_DURATION = 100;
+        public override Type[] IncompatibleMods => new[] { typeof(OsuModFlashlight), typeof(OsuModNoScope), typeof(ModTouchDevice) };
+
+        protected readonly BindableNumber<int> CurrentCombo = new BindableInt();
+        protected readonly IBindable<bool> IsBreakTime = new Bindable<bool>();
+
+        private float currentSize;
+
+        [SettingSource(
+            "Max size at combo",
+            "The combo count at which the cursor reaches its maximum size",
+            SettingControlType = typeof(SettingsSlider<int, RoundedSliderBar<int>>)
+        )]
+        public BindableInt MaxSizeComboCount { get; } = new BindableInt(50)
+        {
+            MinValue = 5,
+            MaxValue = 100,
+        };
+
+        [SettingSource(
+            "Final size multiplier",
+            "The multiplier applied to cursor size when combo reaches maximum",
+            SettingControlType = typeof(SettingsSlider<float, RoundedSliderBar<float>>)
+        )]
+        public BindableFloat MaxCursorSize { get; } = new BindableFloat(10f)
+        {
+            MinValue = 5f,
+            MaxValue = 15f,
+            Precision = 0.5f,
+        };
+
+        public ScoreRank AdjustRank(ScoreRank rank, double accuracy) => rank;
+
+        public void ApplyToPlayer(Player player)
+        {
+            IsBreakTime.BindTo(player.IsBreakTime);
+        }
+
+        public void ApplyToScoreProcessor(ScoreProcessor scoreProcessor)
+        {
+            CurrentCombo.BindTo(scoreProcessor.Combo);
+            CurrentCombo.BindValueChanged(combo =>
+            {
+                currentSize = Math.Clamp(MaxCursorSize.Value * ((float)combo.NewValue / MaxSizeComboCount.Value), MIN_SIZE, MaxCursorSize.Value);
+            }, true);
+        }
+
+        public void Update(Playfield playfield)
+        {
+            OsuCursor cursor = (OsuCursor)(playfield.Cursor!.ActiveCursor);
+
+            if (IsBreakTime.Value)
+                cursor.ModScaleAdjust.Value = 1;
+            else
+                cursor.ModScaleAdjust.Value = (float)Interpolation.Lerp(cursor.ModScaleAdjust.Value, currentSize, Math.Clamp(cursor.Time.Elapsed / TRANSITION_DURATION, 0, 1));
+        }
+    }
+}

osu.Game.Rulesets.Osu/Mods/OsuModFlashlight.cs

@@ -20,7 +20,7 @@ namespace osu.Game.Rulesets.Osu.Mods
     public partial class OsuModFlashlight : ModFlashlight<OsuHitObject>, IApplicableToDrawableHitObject
     {
         public override double ScoreMultiplier => UsesDefaultConfiguration ? 1.12 : 1;
-        public override Type[] IncompatibleMods => base.IncompatibleMods.Append(typeof(OsuModBlinds)).ToArray();
+        public override Type[] IncompatibleMods => base.IncompatibleMods.Concat(new[] { typeof(OsuModBloom), typeof(OsuModBlinds) }).ToArray();
 
         private const double default_follow_delay = 120;
 

osu.Game.Rulesets.Osu/Mods/OsuModNoScope.cs

@@ -20,6 +20,8 @@ namespace osu.Game.Rulesets.Osu.Mods
     {
         public override LocalisableString Description => "Where's the cursor?";
 
+        public override Type[] IncompatibleMods => new[] { typeof(OsuModBloom) };
+
         private PeriodTracker spinnerPeriods = null!;
 
         public override BindableInt HiddenComboCount { get; } = new BindableInt(10)

osu.Game.Rulesets.Osu/Mods/OsuModTouchDevice.cs

@@ -9,7 +9,7 @@ namespace osu.Game.Rulesets.Osu.Mods
 {
     public class OsuModTouchDevice : ModTouchDevice
     {
-        public override Type[] IncompatibleMods => base.IncompatibleMods.Concat(new[] { typeof(OsuModAutopilot) }).ToArray();
+        public override Type[] IncompatibleMods => base.IncompatibleMods.Concat(new[] { typeof(OsuModAutopilot), typeof(OsuModBloom) }).ToArray();
         public override bool Ranked => UsesDefaultConfiguration;
     }
 }

osu.Game.Rulesets.Osu/OsuRuleset.cs

@@ -214,7 +214,8 @@ namespace osu.Game.Rulesets.Osu
                         new OsuModFreezeFrame(),
                         new OsuModBubbles(),
                         new OsuModSynesthesia(),
-                        new OsuModDepth()
+                        new OsuModDepth(),
+                        new OsuModBloom()
                     };
 
                 case ModType.System:

osu.Game.Rulesets.Osu/Skinning/Legacy/LegacyNewStyleSpinner.cs

@@ -63,18 +63,18 @@ namespace osu.Game.Rulesets.Osu.Skinning.Legacy
                         Origin = Anchor.Centre,
                         Texture = source.GetTexture("spinner-top"),
                     },
-                    fixedMiddle = new Sprite
-                    {
-                        Anchor = Anchor.Centre,
-                        Origin = Anchor.Centre,
-                        Texture = source.GetTexture("spinner-middle"),
-                    },
                     spinningMiddle = new Sprite
                     {
                         Anchor = Anchor.Centre,
                         Origin = Anchor.Centre,
                         Texture = source.GetTexture("spinner-middle2"),
                     },
+                    fixedMiddle = new Sprite
+                    {
+                        Anchor = Anchor.Centre,
+                        Origin = Anchor.Centre,
+                        Texture = source.GetTexture("spinner-middle"),
+                    },
                 }
             });
 

osu.Game.Rulesets.Osu/UI/Cursor/CursorTrail.cs

@@ -14,6 +14,7 @@ using osu.Framework.Graphics.Rendering.Vertices;
 using osu.Framework.Graphics.Shaders;
 using osu.Framework.Graphics.Shaders.Types;
 using osu.Framework.Graphics.Textures;
+using osu.Framework.Graphics.Visualisation;
 using osu.Framework.Input;
 using osu.Framework.Input.Events;
 using osu.Framework.Timing;
@@ -23,6 +24,7 @@ using osuTK.Graphics.ES30;
 
 namespace osu.Game.Rulesets.Osu.UI.Cursor
 {
+    [DrawVisualiserHidden]
     public partial class CursorTrail : Drawable, IRequireHighFrequencyMousePosition
     {
         private const int max_sprites = 2048;

osu.Game.Rulesets.Osu/UI/Cursor/OsuCursor.cs

@@ -38,6 +38,11 @@ namespace osu.Game.Rulesets.Osu.UI.Cursor
 
         public IBindable<float> CursorScale => cursorScale;
 
+        /// <summary>
+        /// Mods which want to adjust cursor size should do so via this bindable.
+        /// </summary>
+        public readonly Bindable<float> ModScaleAdjust = new Bindable<float>(1);
+
         private readonly Bindable<float> cursorScale = new BindableFloat(1);
 
         private Bindable<float> userCursorScale = null!;
@@ -67,6 +72,8 @@ namespace osu.Game.Rulesets.Osu.UI.Cursor
             autoCursorScale = config.GetBindable<bool>(OsuSetting.AutoCursorSize);
             autoCursorScale.ValueChanged += _ => cursorScale.Value = CalculateCursorScale();
 
+            ModScaleAdjust.ValueChanged += _ => cursorScale.Value = CalculateCursorScale();
+
             cursorScale.BindValueChanged(e => cursorScaleContainer.Scale = new Vector2(e.NewValue), true);
         }
 
@@ -90,7 +97,7 @@ namespace osu.Game.Rulesets.Osu.UI.Cursor
 
         protected virtual float CalculateCursorScale()
         {
-            float scale = userCursorScale.Value;
+            float scale = userCursorScale.Value * ModScaleAdjust.Value;
 
             if (autoCursorScale.Value && state != null)
             {

osu.Game.Rulesets.Taiko.Tests.iOS/osu.Game.Rulesets.Taiko.Tests.iOS.csproj

@@ -13,7 +13,8 @@
     </Compile>
   </ItemGroup>
   <ItemGroup Label="Project References">
-    <ProjectReference Include="..\osu.Game\osu.Game.csproj" />
     <ProjectReference Include="..\osu.Game.Rulesets.Taiko\osu.Game.Rulesets.Taiko.csproj" />
+    <ProjectReference Include="..\osu.Game.Tests\osu.Game.Tests.csproj" />
+    <ProjectReference Include="..\osu.Game\osu.Game.csproj" />
   </ItemGroup>
 </Project>

osu.Game.Rulesets.Taiko.Tests/Mods/TestSceneTaikoModHidden.cs

@@ -31,40 +31,42 @@ namespace osu.Game.Rulesets.Taiko.Tests.Mods
         {
             const double hit_time = 1;
 
-            var beatmap = new Beatmap<TaikoHitObject>
-            {
-                HitObjects = new List<TaikoHitObject>
-                {
-                    new Hit
-                    {
-                        Type = HitType.Rim,
-                        StartTime = hit_time,
-                    },
-                    new Hit
-                    {
-                        Type = HitType.Centre,
-                        StartTime = hit_time * 2,
-                    },
-                },
-                BeatmapInfo =
-                {
-                    Difficulty = new BeatmapDifficulty
-                    {
-                        SliderTickRate = 4,
-                        OverallDifficulty = 0,
-                    },
-                    Ruleset = new TaikoRuleset().RulesetInfo
-                },
-            };
-
-            beatmap.ControlPointInfo.Add(0, new EffectControlPoint { ScrollSpeed = 0.1f });
-
             CreateModTest(new ModTestData
             {
                 Mod = new TaikoModHidden(),
                 Autoplay = true,
                 PassCondition = checkAllMaxResultJudgements(2),
-                Beatmap = beatmap,
+                CreateBeatmap = () =>
+                {
+                    var beatmap = new Beatmap<TaikoHitObject>
+                    {
+                        HitObjects = new List<TaikoHitObject>
+                        {
+                            new Hit
+                            {
+                                Type = HitType.Rim,
+                                StartTime = hit_time,
+                            },
+                            new Hit
+                            {
+                                Type = HitType.Centre,
+                                StartTime = hit_time * 2,
+                            },
+                        },
+                        BeatmapInfo =
+                        {
+                            Difficulty = new BeatmapDifficulty
+                            {
+                                SliderTickRate = 4,
+                                OverallDifficulty = 0,
+                            },
+                            Ruleset = new TaikoRuleset().RulesetInfo
+                        },
+                    };
+
+                    beatmap.ControlPointInfo.Add(0, new EffectControlPoint { ScrollSpeed = 0.1f });
+                    return beatmap;
+                },
             });
         }
     }

osu.Game.Rulesets.Taiko.Tests/Mods/TestSceneTaikoModRelax.cs

@@ -15,7 +15,26 @@ namespace osu.Game.Rulesets.Taiko.Tests.Mods
         [Test]
         public void TestRelax()
         {
-            var beatmap = new TaikoBeatmap
+            var beatmapForReplay = createBeatmap();
+
+            foreach (var ho in beatmapForReplay.HitObjects)
+                ho.ApplyDefaults(beatmapForReplay.ControlPointInfo, beatmapForReplay.Difficulty);
+
+            var replay = new TaikoAutoGenerator(beatmapForReplay).Generate();
+
+            foreach (var frame in replay.Frames.OfType<TaikoReplayFrame>().Where(r => r.Actions.Any()))
+                frame.Actions = [TaikoAction.LeftCentre];
+
+            CreateModTest(new ModTestData
+            {
+                Mod = new TaikoModRelax(),
+                CreateBeatmap = createBeatmap,
+                ReplayFrames = replay.Frames,
+                Autoplay = false,
+                PassCondition = () => Player.ScoreProcessor.HasCompleted.Value && Player.ScoreProcessor.Accuracy.Value == 1,
+            });
+
+            TaikoBeatmap createBeatmap() => new TaikoBeatmap
             {
                 HitObjects =
                 {
@@ -25,22 +44,6 @@ namespace osu.Game.Rulesets.Taiko.Tests.Mods
                     new Swell { StartTime = 1250, Duration = 500 },
                 }
             };
-            foreach (var ho in beatmap.HitObjects)
-                ho.ApplyDefaults(beatmap.ControlPointInfo, beatmap.Difficulty);
-
-            var replay = new TaikoAutoGenerator(beatmap).Generate();
-
-            foreach (var frame in replay.Frames.OfType<TaikoReplayFrame>().Where(r => r.Actions.Any()))
-                frame.Actions = [TaikoAction.LeftCentre];
-
-            CreateModTest(new ModTestData
-            {
-                Mod = new TaikoModRelax(),
-                Beatmap = beatmap,
-                ReplayFrames = replay.Frames,
-                Autoplay = false,
-                PassCondition = () => Player.ScoreProcessor.HasCompleted.Value && Player.ScoreProcessor.Accuracy.Value == 1,
-            });
         }
     }
 }

osu.Game.Rulesets.Taiko.Tests/Mods/TestSceneTaikoModSingleTap.cs

@@ -20,7 +20,7 @@ namespace osu.Game.Rulesets.Taiko.Tests.Mods
         {
             Mod = new TaikoModSingleTap(),
             Autoplay = false,
-            Beatmap = new Beatmap
+            CreateBeatmap = () => new Beatmap
             {
                 HitObjects = new List<HitObject>
                 {
@@ -65,7 +65,7 @@ namespace osu.Game.Rulesets.Taiko.Tests.Mods
         {
             Mod = new TaikoModSingleTap(),
             Autoplay = false,
-            Beatmap = new Beatmap
+            CreateBeatmap = () => new Beatmap
             {
                 HitObjects = new List<HitObject>
                 {
@@ -110,7 +110,7 @@ namespace osu.Game.Rulesets.Taiko.Tests.Mods
         {
             Mod = new TaikoModSingleTap(),
             Autoplay = false,
-            Beatmap = new Beatmap
+            CreateBeatmap = () => new Beatmap
             {
                 HitObjects = new List<HitObject>
                 {
@@ -136,7 +136,7 @@ namespace osu.Game.Rulesets.Taiko.Tests.Mods
         {
             Mod = new TaikoModSingleTap(),
             Autoplay = false,
-            Beatmap = new Beatmap
+            CreateBeatmap = () => new Beatmap
             {
                 HitObjects = new List<HitObject>
                 {
@@ -175,7 +175,7 @@ namespace osu.Game.Rulesets.Taiko.Tests.Mods
         {
             Mod = new TaikoModSingleTap(),
             Autoplay = false,
-            Beatmap = new Beatmap
+            CreateBeatmap = () => new Beatmap
             {
                 Breaks =
                 {

osu.Game.Rulesets.Taiko/Difficulty/Evaluators/ColourEvaluator.cs

@@ -3,6 +3,7 @@
 
 using System;
 using osu.Game.Rulesets.Difficulty.Preprocessing;
+using osu.Game.Rulesets.Difficulty.Utils;
 using osu.Game.Rulesets.Taiko.Difficulty.Preprocessing;
 using osu.Game.Rulesets.Taiko.Difficulty.Preprocessing.Colour;
 using osu.Game.Rulesets.Taiko.Difficulty.Preprocessing.Colour.Data;
@@ -11,26 +12,12 @@ namespace osu.Game.Rulesets.Taiko.Difficulty.Evaluators
 {
     public class ColourEvaluator
     {
-        /// <summary>
-        /// A sigmoid function. It gives a value between (middle - height/2) and (middle + height/2).
-        /// </summary>
-        /// <param name="val">The input value.</param>
-        /// <param name="center">The center of the sigmoid, where the largest gradient occurs and value is equal to middle.</param>
-        /// <param name="width">The radius of the sigmoid, outside of which values are near the minimum/maximum.</param>
-        /// <param name="middle">The middle of the sigmoid output.</param>
-        /// <param name="height">The height of the sigmoid output. This will be equal to max value - min value.</param>
-        private static double sigmoid(double val, double center, double width, double middle, double height)
-        {
-            double sigmoid = Math.Tanh(Math.E * -(val - center) / width);
-            return sigmoid * (height / 2) + middle;
-        }
-
         /// <summary>
         /// Evaluate the difficulty of the first note of a <see cref="MonoStreak"/>.
         /// </summary>
         public static double EvaluateDifficultyOf(MonoStreak monoStreak)
         {
-            return sigmoid(monoStreak.Index, 2, 2, 0.5, 1) * EvaluateDifficultyOf(monoStreak.Parent) * 0.5;
+            return DifficultyCalculationUtils.Logistic(exponent: Math.E * monoStreak.Index - 2 * Math.E) * EvaluateDifficultyOf(monoStreak.Parent) * 0.5;
         }
 
         /// <summary>
@@ -38,7 +25,7 @@ namespace osu.Game.Rulesets.Taiko.Difficulty.Evaluators
         /// </summary>
         public static double EvaluateDifficultyOf(AlternatingMonoPattern alternatingMonoPattern)
         {
-            return sigmoid(alternatingMonoPattern.Index, 2, 2, 0.5, 1) * EvaluateDifficultyOf(alternatingMonoPattern.Parent);
+            return DifficultyCalculationUtils.Logistic(exponent: Math.E * alternatingMonoPattern.Index - 2 * Math.E) * EvaluateDifficultyOf(alternatingMonoPattern.Parent);
         }
 
         /// <summary>
@@ -46,7 +33,7 @@ namespace osu.Game.Rulesets.Taiko.Difficulty.Evaluators
         /// </summary>
         public static double EvaluateDifficultyOf(RepeatingHitPatterns repeatingHitPattern)
         {
-            return 2 * (1 - sigmoid(repeatingHitPattern.RepetitionInterval, 2, 2, 0.5, 1));
+            return 2 * (1 - DifficultyCalculationUtils.Logistic(exponent: Math.E * repeatingHitPattern.RepetitionInterval - 2 * Math.E));
         }
 
         public static double EvaluateDifficultyOf(DifficultyHitObject hitObject)

osu.Game.Rulesets.Taiko/Difficulty/TaikoLegacyScoreSimulator.cs

@@ -144,6 +144,13 @@ namespace osu.Game.Rulesets.Taiko.Difficulty
                     foreach (var nested in hitObject.NestedHitObjects)
                         simulateHit(nested, ref attributes);
                     return;
+
+                case StrongNestedHitObject:
+                    // we never need to deal with these directly.
+                    // the only thing strong hits do in terms of scoring is double their object's score increase,
+                    // which is already handled at the parent object level via the `strongable.IsStrong` check lower down in this method.
+                    // not handling these here can lead to them falsely being counted as combo-increasing when handling strong drum rolls!
+                    return;
             }
 
             if (hitObject is DrumRollTick tick)

osu.Game.Rulesets.Taiko/UI/DrawableTaikoRuleset.cs

@@ -84,8 +84,11 @@ namespace osu.Game.Rulesets.Taiko.UI
 
         protected virtual double ComputeTimeRange()
         {
-            // Adjust when we're using constant algorithm to not be sluggish.
-            double multiplier = VisualisationMethod == ScrollVisualisationMethod.Constant ? 4 * Beatmap.Difficulty.SliderMultiplier : 1;
+            // Using the constant algorithm results in a sluggish scroll speed that's equal to 60 BPM.
+            // We need to adjust it to the expected default scroll speed (BPM * base SV multiplier).
+            double multiplier = VisualisationMethod == ScrollVisualisationMethod.Constant
+                ? (Beatmap.BeatmapInfo.BPM * Beatmap.Difficulty.SliderMultiplier) / 60
+                : 1;
             return PlayfieldAdjustmentContainer.ComputeTimeRange() / multiplier;
         }
 

osu.Game.Tests/Beatmaps/Formats/LegacyBeatmapDecoderTest.cs

@@ -80,16 +80,16 @@ namespace osu.Game.Tests.Beatmaps.Formats
                 var metadata = beatmap.Metadata;
 
                 Assert.AreEqual("03. Renatus - Soleily 192kbps.mp3", metadata.AudioFile);
-                Assert.AreEqual(0, beatmapInfo.AudioLeadIn);
+                Assert.AreEqual(0, beatmap.AudioLeadIn);
                 Assert.AreEqual(164471, metadata.PreviewTime);
-                Assert.AreEqual(0.7f, beatmapInfo.StackLeniency);
+                Assert.AreEqual(0.7f, beatmap.StackLeniency);
                 Assert.IsTrue(beatmapInfo.Ruleset.OnlineID == 0);
-                Assert.IsFalse(beatmapInfo.LetterboxInBreaks);
-                Assert.IsFalse(beatmapInfo.SpecialStyle);
-                Assert.IsFalse(beatmapInfo.WidescreenStoryboard);
-                Assert.IsFalse(beatmapInfo.SamplesMatchPlaybackRate);
-                Assert.AreEqual(CountdownType.None, beatmapInfo.Countdown);
-                Assert.AreEqual(0, beatmapInfo.CountdownOffset);
+                Assert.IsFalse(beatmap.LetterboxInBreaks);
+                Assert.IsFalse(beatmap.SpecialStyle);
+                Assert.IsFalse(beatmap.WidescreenStoryboard);
+                Assert.IsFalse(beatmap.SamplesMatchPlaybackRate);
+                Assert.AreEqual(CountdownType.None, beatmap.Countdown);
+                Assert.AreEqual(0, beatmap.CountdownOffset);
             }
         }
 
@@ -101,7 +101,7 @@ namespace osu.Game.Tests.Beatmaps.Formats
             using (var resStream = TestResources.OpenResource("Soleily - Renatus (Gamu) [Insane].osu"))
             using (var stream = new LineBufferedReader(resStream))
             {
-                var beatmapInfo = decoder.Decode(stream).BeatmapInfo;
+                var beatmap = decoder.Decode(stream);
 
                 int[] expectedBookmarks =
                 {
@@ -109,13 +109,13 @@ namespace osu.Game.Tests.Beatmaps.Formats
                     95901, 106450, 116999, 119637, 130186, 140735, 151285,
                     161834, 164471, 175020, 185570, 196119, 206669, 209306
                 };
-                Assert.AreEqual(expectedBookmarks.Length, beatmapInfo.Bookmarks.Length);
+                Assert.AreEqual(expectedBookmarks.Length, beatmap.BeatmapInfo.Bookmarks.Length);
                 for (int i = 0; i < expectedBookmarks.Length; i++)
-                    Assert.AreEqual(expectedBookmarks[i], beatmapInfo.Bookmarks[i]);
-                Assert.AreEqual(1.8, beatmapInfo.DistanceSpacing);
-                Assert.AreEqual(4, beatmapInfo.BeatDivisor);
-                Assert.AreEqual(4, beatmapInfo.GridSize);
-                Assert.AreEqual(2, beatmapInfo.TimelineZoom);
+                    Assert.AreEqual(expectedBookmarks[i], beatmap.BeatmapInfo.Bookmarks[i]);
+                Assert.AreEqual(1.8, beatmap.DistanceSpacing);
+                Assert.AreEqual(4, beatmap.BeatmapInfo.BeatDivisor);
+                Assert.AreEqual(4, beatmap.GridSize);
+                Assert.AreEqual(2, beatmap.TimelineZoom);
             }
         }
 
@@ -993,15 +993,15 @@ namespace osu.Game.Tests.Beatmaps.Formats
 
                 Assert.Multiple(() =>
                 {
-                    Assert.That(decoded.BeatmapInfo.AudioLeadIn, Is.EqualTo(0));
-                    Assert.That(decoded.BeatmapInfo.StackLeniency, Is.EqualTo(0.7f));
-                    Assert.That(decoded.BeatmapInfo.SpecialStyle, Is.False);
-                    Assert.That(decoded.BeatmapInfo.LetterboxInBreaks, Is.False);
-                    Assert.That(decoded.BeatmapInfo.WidescreenStoryboard, Is.False);
-                    Assert.That(decoded.BeatmapInfo.EpilepsyWarning, Is.False);
-                    Assert.That(decoded.BeatmapInfo.SamplesMatchPlaybackRate, Is.False);
-                    Assert.That(decoded.BeatmapInfo.Countdown, Is.EqualTo(CountdownType.Normal));
-                    Assert.That(decoded.BeatmapInfo.CountdownOffset, Is.EqualTo(0));
+                    Assert.That(decoded.AudioLeadIn, Is.EqualTo(0));
+                    Assert.That(decoded.StackLeniency, Is.EqualTo(0.7f));
+                    Assert.That(decoded.SpecialStyle, Is.False);
+                    Assert.That(decoded.LetterboxInBreaks, Is.False);
+                    Assert.That(decoded.WidescreenStoryboard, Is.False);
+                    Assert.That(decoded.EpilepsyWarning, Is.False);
+                    Assert.That(decoded.SamplesMatchPlaybackRate, Is.False);
+                    Assert.That(decoded.Countdown, Is.EqualTo(CountdownType.None));
+                    Assert.That(decoded.CountdownOffset, Is.EqualTo(0));
                     Assert.That(decoded.BeatmapInfo.Metadata.PreviewTime, Is.EqualTo(-1));
                     Assert.That(decoded.BeatmapInfo.Ruleset.OnlineID, Is.EqualTo(0));
                 });

osu.Game.Tests/Beatmaps/Formats/OsuJsonDecoderTest.cs

@@ -51,14 +51,14 @@ namespace osu.Game.Tests.Beatmaps.Formats
         {
             var beatmap = decodeAsJson(normal);
             var beatmapInfo = beatmap.BeatmapInfo;
-            Assert.AreEqual(0, beatmapInfo.AudioLeadIn);
-            Assert.AreEqual(0.7f, beatmapInfo.StackLeniency);
-            Assert.AreEqual(false, beatmapInfo.SpecialStyle);
+            Assert.AreEqual(0, beatmap.AudioLeadIn);
+            Assert.AreEqual(0.7f, beatmap.StackLeniency);
+            Assert.AreEqual(false, beatmap.SpecialStyle);
             Assert.IsTrue(beatmapInfo.Ruleset.OnlineID == 0);
-            Assert.AreEqual(false, beatmapInfo.LetterboxInBreaks);
-            Assert.AreEqual(false, beatmapInfo.WidescreenStoryboard);
-            Assert.AreEqual(CountdownType.None, beatmapInfo.Countdown);
-            Assert.AreEqual(0, beatmapInfo.CountdownOffset);
+            Assert.AreEqual(false, beatmap.LetterboxInBreaks);
+            Assert.AreEqual(false, beatmap.WidescreenStoryboard);
+            Assert.AreEqual(CountdownType.None, beatmap.Countdown);
+            Assert.AreEqual(0, beatmap.CountdownOffset);
         }
 
         [Test]
@@ -76,10 +76,10 @@ namespace osu.Game.Tests.Beatmaps.Formats
             Assert.AreEqual(expectedBookmarks.Length, beatmapInfo.Bookmarks.Length);
             for (int i = 0; i < expectedBookmarks.Length; i++)
                 Assert.AreEqual(expectedBookmarks[i], beatmapInfo.Bookmarks[i]);
-            Assert.AreEqual(1.8, beatmapInfo.DistanceSpacing);
+            Assert.AreEqual(1.8, beatmap.DistanceSpacing);
             Assert.AreEqual(4, beatmapInfo.BeatDivisor);
-            Assert.AreEqual(4, beatmapInfo.GridSize);
-            Assert.AreEqual(2, beatmapInfo.TimelineZoom);
+            Assert.AreEqual(4, beatmap.GridSize);
+            Assert.AreEqual(2, beatmap.TimelineZoom);
         }
 
         [Test]

osu.Game.Tests/Beatmaps/IO/LegacyBeatmapExporterTest.cs

@@ -0,0 +1,106 @@
+// 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.IO;
+using System.Text;
+using NUnit.Framework;
+using osu.Framework.Allocation;
+using osu.Framework.Extensions;
+using osu.Framework.Extensions.ObjectExtensions;
+using osu.Framework.Testing;
+using osu.Game.Beatmaps;
+using osu.Game.Database;
+using osu.Game.IO.Archives;
+using osu.Game.Tests.Resources;
+using osu.Game.Tests.Visual;
+using MemoryStream = System.IO.MemoryStream;
+
+namespace osu.Game.Tests.Beatmaps.IO
+{
+    [HeadlessTest]
+    public partial class LegacyBeatmapExporterTest : OsuTestScene
+    {
+        [Resolved]
+        private BeatmapManager beatmaps { get; set; } = null!;
+
+        [Test]
+        public void TestObjectsSnappedAfterTruncatingExport()
+        {
+            IWorkingBeatmap beatmap = null!;
+            MemoryStream outStream = null!;
+
+            // Ensure importer encoding is correct
+            AddStep("import beatmap", () => beatmap = importBeatmapFromArchives(@"decimal-timing-beatmap.olz"));
+            AddAssert("timing point has decimal offset", () => beatmap.Beatmap.ControlPointInfo.TimingPoints[0].Time, () => Is.EqualTo(284.725).Within(0.001));
+            AddAssert("kiai has decimal offset", () => beatmap.Beatmap.ControlPointInfo.EffectPoints[0].Time, () => Is.EqualTo(28520.019).Within(0.001));
+            AddAssert("hit object has decimal offset", () => beatmap.Beatmap.HitObjects[0].StartTime, () => Is.EqualTo(28520.019).Within(0.001));
+
+            // Ensure exporter legacy conversion is correct
+            AddStep("export", () =>
+            {
+                outStream = new MemoryStream();
+
+                new LegacyBeatmapExporter(LocalStorage)
+                    .ExportToStream((BeatmapSetInfo)beatmap.BeatmapInfo.BeatmapSet!, outStream, null);
+            });
+
+            AddStep("import beatmap again", () => beatmap = importBeatmapFromStream(outStream));
+            AddAssert("timing point has truncated offset", () => beatmap.Beatmap.ControlPointInfo.TimingPoints[0].Time, () => Is.EqualTo(284).Within(0.001));
+            AddAssert("kiai is snapped", () => beatmap.Beatmap.ControlPointInfo.EffectPoints[0].Time, () => Is.EqualTo(28519).Within(0.001));
+            AddAssert("hit object is snapped", () => beatmap.Beatmap.HitObjects[0].StartTime, () => Is.EqualTo(28519).Within(0.001));
+        }
+
+        [Test]
+        public void TestExportStability()
+        {
+            IWorkingBeatmap beatmap = null!;
+            MemoryStream firstExport = null!;
+            MemoryStream secondExport = null!;
+
+            // Ensure importer encoding is correct
+            AddStep("import beatmap", () => beatmap = importBeatmapFromArchives(@"legacy-export-stability-test.olz"));
+            AddStep("export once", () =>
+            {
+                firstExport = new MemoryStream();
+
+                new LegacyBeatmapExporter(LocalStorage)
+                    .ExportToStream((BeatmapSetInfo)beatmap.BeatmapInfo.BeatmapSet!, firstExport, null);
+            });
+
+            AddStep("import beatmap again", () => beatmap = importBeatmapFromStream(firstExport));
+            AddStep("export again", () =>
+            {
+                secondExport = new MemoryStream();
+
+                new LegacyBeatmapExporter(LocalStorage)
+                    .ExportToStream((BeatmapSetInfo)beatmap.BeatmapInfo.BeatmapSet!, secondExport, null);
+            });
+
+            const string osu_filename = @"legacy export - stability test (spaceman_atlas) [].osu";
+
+            AddAssert("exports are identical",
+                () => getStringContentsOf(osu_filename, firstExport.GetBuffer()),
+                () => Is.EqualTo(getStringContentsOf(osu_filename, secondExport.GetBuffer())));
+
+            string getStringContentsOf(string filename, byte[] archiveBytes)
+            {
+                using var memoryStream = new MemoryStream(archiveBytes);
+                using var archiveReader = new ZipArchiveReader(memoryStream);
+                byte[] fileContent = archiveReader.GetStream(filename).ReadAllBytesToArray();
+                return Encoding.UTF8.GetString(fileContent);
+            }
+        }
+
+        private IWorkingBeatmap importBeatmapFromStream(Stream stream)
+        {
+            var imported = beatmaps.Import(new ImportTask(stream, "filename.osz")).GetResultSafely();
+            return imported.AsNonNull().PerformRead(s => beatmaps.GetWorkingBeatmap(s.Beatmaps[0]));
+        }
+
+        private IWorkingBeatmap importBeatmapFromArchives(string filename)
+        {
+            var imported = beatmaps.Import(new ImportTask(TestResources.OpenResource($@"Archives/{filename}"), filename)).GetResultSafely();
+            return imported.AsNonNull().PerformRead(s => beatmaps.GetWorkingBeatmap(s.Beatmaps[0]));
+        }
+    }
+}

osu.Game.Tests/Database/RealmSubscriptionRegistrationTests.cs

@@ -41,7 +41,7 @@ namespace osu.Game.Tests.Database
                 Assert.That(lastChanges?.ModifiedIndices, Is.Empty);
                 Assert.That(lastChanges?.NewModifiedIndices, Is.Empty);
 
-                realm.Write(r => r.All<BeatmapSetInfo>().First().Beatmaps.First().CountdownOffset = 5);
+                realm.Write(r => r.All<BeatmapSetInfo>().First().Beatmaps.First().EditorTimestamp = 5);
                 realm.Run(r => r.Refresh());
 
                 Assert.That(collectionChanges, Is.EqualTo(1));

osu.Game.Tests/ImportTest.cs

@@ -2,6 +2,7 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using System;
+using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
 using NUnit.Framework;
@@ -64,6 +65,10 @@ namespace osu.Game.Tests
                 // Beatmap must be imported before the collection manager is loaded.
                 if (withBeatmap)
                     BeatmapManager.Import(TestResources.GetTestBeatmapForImport()).WaitSafely();
+
+                // the logic for setting the initial ruleset exists in OsuGame rather than OsuGameBase.
+                // the ruleset bindable is not meant to be nullable, so assign any ruleset in here.
+                Ruleset.Value = RulesetStore.AvailableRulesets.First();
             }
         }
     }

osu.Game.Tests/NonVisual/Filtering/FilterMatchingTest.cs

@@ -148,6 +148,7 @@ namespace osu.Game.Tests.NonVisual.Filtering
         [TestCase("tags too", false)]
         [TestCase("version", false)]
         [TestCase("an auteur", true)]
+        [TestCase("unit", false)]
         public void TestCriteriaMatchingTerms(string terms, bool filtered)
         {
             var exampleBeatmapInfo = getExampleBeatmap();
@@ -175,6 +176,7 @@ namespace osu.Game.Tests.NonVisual.Filtering
         [TestCase("\"Artist\"!", true)]
         [TestCase("\"The Artist\"!", false)]
         [TestCase("\"the artist\"!", false)]
+        [TestCase("\"unit tests\"!", false)]
         [TestCase("\"\\\"", true)] // nasty case, covers properly escaping user input in underlying regex.
         public void TestCriteriaMatchingExactTerms(string terms, bool filtered)
         {

osu.Game.Tests/NonVisual/Filtering/FilterQueryParserTest.cs

@@ -501,6 +501,18 @@ namespace osu.Game.Tests.NonVisual.Filtering
             Assert.That(visibleBeatmaps, Is.EqualTo(expectedBeatmapIndexes));
         }
 
+        [Test]
+        public void TestApplySourceQueries()
+        {
+            const string query = "find me songs with source=\"unit tests\" please";
+            var filterCriteria = new FilterCriteria();
+            FilterQueryParser.ApplyQueries(filterCriteria, query);
+            Assert.AreEqual("find me songs with  please", filterCriteria.SearchText.Trim());
+            Assert.AreEqual(5, filterCriteria.SearchTerms.Length);
+            Assert.AreEqual("unit tests", filterCriteria.Source.SearchTerm);
+            Assert.That(filterCriteria.Source.MatchMode, Is.EqualTo(FilterCriteria.MatchMode.IsolatedPhrase));
+        }
+
         private class CustomFilterCriteria : IRulesetFilterCriteria
         {
             public string? CustomValue { get; set; }

osu.Game.Tests/NonVisual/Multiplayer/StatefulMultiplayerClientTest.cs

@@ -73,9 +73,9 @@ namespace osu.Game.Tests.NonVisual.Multiplayer
             AddStep("create room initially in gameplay", () =>
             {
                 var newRoom = new Room();
-                newRoom.CopyFrom(SelectedRoom.Value);
+                newRoom.CopyFrom(SelectedRoom.Value!);
 
-                newRoom.RoomID.Value = null;
+                newRoom.RoomID = null;
                 MultiplayerClient.RoomSetupAction = room =>
                 {
                     room.State = MultiplayerRoomState.Playing;

osu.Game.Tests/NonVisual/Ranking/UnstableRateTest.cs

@@ -20,12 +20,53 @@ namespace osu.Game.Tests.NonVisual.Ranking
         public void TestDistributedHits()
         {
             var events = Enumerable.Range(-5, 11)
-                                   .Select(t => new HitEvent(t - 5, 1.0, HitResult.Great, new HitObject(), null, null));
+                                   .Select(t => new HitEvent(t - 5, 1.0, HitResult.Great, new HitObject(), null, null))
+                                   .ToList();
 
             var unstableRate = new UnstableRate(events);
 
             Assert.IsNotNull(unstableRate.Value);
-            Assert.IsTrue(Precision.AlmostEquals(unstableRate.Value.Value, 10 * Math.Sqrt(10)));
+            Assert.AreEqual(unstableRate.Value.Value, 10 * Math.Sqrt(10), Precision.DOUBLE_EPSILON);
+        }
+
+        [Test]
+        public void TestDistributedHitsIncrementalRewind()
+        {
+            var events = Enumerable.Range(-5, 11)
+                                   .Select(t => new HitEvent(t - 5, 1.0, HitResult.Great, new HitObject(), null, null))
+                                   .ToList();
+
+            HitEventExtensions.UnstableRateCalculationResult result = null;
+
+            for (int i = 0; i < events.Count; i++)
+            {
+                result = events.GetRange(0, i + 1)
+                               .CalculateUnstableRate(result);
+            }
+
+            result = events.GetRange(0, 2).CalculateUnstableRate(result);
+
+            Assert.IsNotNull(result!.Result);
+            Assert.AreEqual(5, result.Result, Precision.DOUBLE_EPSILON);
+        }
+
+        [Test]
+        public void TestDistributedHitsIncremental()
+        {
+            var events = Enumerable.Range(-5, 11)
+                                   .Select(t => new HitEvent(t - 5, 1.0, HitResult.Great, new HitObject(), null, null))
+                                   .ToList();
+
+            HitEventExtensions.UnstableRateCalculationResult result = null;
+
+            for (int i = 0; i < events.Count; i++)
+            {
+                result = events.GetRange(0, i + 1)
+                               .CalculateUnstableRate(result);
+            }
+
+            Assert.IsNotNull(result!.Result);
+            Assert.AreEqual(10 * Math.Sqrt(10), result.Result, Precision.DOUBLE_EPSILON);
         }
 
         [Test]

osu.Game.Tests/OnlinePlay/TestSceneCatchUpSyncManager.cs

@@ -1,8 +1,6 @@
 // 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
-
 using System;
 using System.Collections.Generic;
 using NUnit.Framework;
@@ -21,12 +19,12 @@ namespace osu.Game.Tests.OnlinePlay
     [HeadlessTest]
     public partial class TestSceneCatchUpSyncManager : OsuTestScene
     {
-        private GameplayClockContainer master;
-        private SpectatorSyncManager syncManager;
+        private GameplayClockContainer master = null!;
+        private SpectatorSyncManager syncManager = null!;
 
-        private Dictionary<SpectatorPlayerClock, int> clocksById;
-        private SpectatorPlayerClock player1;
-        private SpectatorPlayerClock player2;
+        private Dictionary<SpectatorPlayerClock, int> clocksById = null!;
+        private SpectatorPlayerClock player1 = null!;
+        private SpectatorPlayerClock player2 = null!;
 
         [SetUp]
         public void Setup()