Merge branch 'master' into move-already-placed-objects-when-adjusting-offset-bpm

.github/workflows/ci.yml

@@ -135,5 +135,8 @@ jobs:
       - name: Install .NET Workloads
         run: dotnet workload install maui-ios
 
+      - name: Select Xcode 16
+        run: sudo xcode-select -s /Applications/Xcode_16.app/Contents/Developer
+
       - name: Build
         run: dotnet build -c Debug osu.iOS

osu.Android.props

@@ -10,7 +10,7 @@
     <EmbedAssembliesIntoApk>true</EmbedAssembliesIntoApk>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="ppy.osu.Framework.Android" Version="2024.831.0" />
+    <PackageReference Include="ppy.osu.Framework.Android" Version="2024.927.0" />
   </ItemGroup>
   <PropertyGroup>
     <!-- Fody does not handle Android build well, and warns when unchanged.

osu.Android/OsuGameAndroid.cs

@@ -80,7 +80,7 @@ namespace osu.Android
             host.Window.CursorState |= CursorState.Hidden;
         }
 
-        protected override UpdateManager CreateUpdateManager() => new SimpleUpdateManager();
+        protected override UpdateManager CreateUpdateManager() => new MobileUpdateNotifier();
 
         protected override BatteryInfo CreateBatteryInfo() => new AndroidBatteryInfo();
 

osu.Desktop/OsuGameDesktop.cs

@@ -2,10 +2,10 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using System;
-using System.Diagnostics;
 using System.IO;
 using System.Reflection;
 using System.Runtime.Versioning;
+using System.Threading.Tasks;
 using Microsoft.Win32;
 using osu.Desktop.Performance;
 using osu.Desktop.Security;
@@ -95,44 +95,22 @@ namespace osu.Desktop
                 return key?.OpenSubKey(WindowsAssociationManager.SHELL_OPEN_COMMAND)?.GetValue(string.Empty)?.ToString()?.Split('"')[1].Replace("osu!.exe", "");
         }
 
+        public static bool IsPackageManaged => !string.IsNullOrEmpty(Environment.GetEnvironmentVariable("OSU_EXTERNAL_UPDATE_PROVIDER"));
+
         protected override UpdateManager CreateUpdateManager()
         {
-            string? packageManaged = Environment.GetEnvironmentVariable("OSU_EXTERNAL_UPDATE_PROVIDER");
-
-            if (!string.IsNullOrEmpty(packageManaged))
+            if (IsPackageManaged)
                 return new NoActionUpdateManager();
 
-            switch (RuntimeInfo.OS)
-            {
-                case RuntimeInfo.Platform.Windows:
-                    Debug.Assert(OperatingSystem.IsWindows());
-
-                    return new SquirrelUpdateManager();
-
-                default:
-                    return new SimpleUpdateManager();
-            }
+            return new VelopackUpdateManager();
         }
 
         public override bool RestartAppWhenExited()
         {
-            switch (RuntimeInfo.OS)
-            {
-                case RuntimeInfo.Platform.Windows:
-                    Debug.Assert(OperatingSystem.IsWindows());
-
-                    // Of note, this is an async method in squirrel that adds an arbitrary delay before returning
-                    // likely to ensure the external process is in a good state.
-                    //
-                    // We're not waiting on that here, but the outro playing before the actual exit should be enough
-                    // to cover this.
-                    Squirrel.UpdateManager.RestartAppWhenExited().FireAndForget();
+            Task.Run(() => Velopack.UpdateExe.Start()).FireAndForget();
             return true;
         }
 
-            return base.RestartAppWhenExited();
-        }
-
         protected override void LoadComplete()
         {
             base.LoadComplete();

osu.Desktop/Program.cs

@@ -14,7 +14,7 @@ using osu.Game;
 using osu.Game.IPC;
 using osu.Game.Tournament;
 using SDL;
-using Squirrel;
+using Velopack;
 
 namespace osu.Desktop
 {
@@ -31,19 +31,11 @@ namespace osu.Desktop
         [STAThread]
         public static void Main(string[] args)
         {
-            /*
-             * WARNING: DO NOT PLACE **ANY** CODE ABOVE THE FOLLOWING BLOCK!
-             *
-             * Logic handling Squirrel MUST run before EVERYTHING if you do not want to break it.
-             * To be more precise: Squirrel is internally using a rather... crude method to determine whether it is running under NUnit,
-             * namely by checking loaded assemblies:
-             * https://github.com/clowd/Clowd.Squirrel/blob/24427217482deeeb9f2cacac555525edfc7bd9ac/src/Squirrel/SimpleSplat/PlatformModeDetector.cs#L17-L32
-             *
-             * If it finds ANY assembly from the ones listed above - REGARDLESS of the reason why it is loaded -
-             * the app will then do completely broken things like:
-             * - not creating system shortcuts (as the logic is if'd out if "running tests")
-             * - not exiting after the install / first-update / uninstall hooks are ran (as the `Environment.Exit()` calls are if'd out if "running tests")
-             */
+            // IMPORTANT DON'T IGNORE: For general sanity, velopack's setup needs to run before anything else.
+            // This has bitten us in the rear before (bricked updater), and although the underlying issue from
+            // last time has been fixed, let's not tempt fate.
+            setupVelopack();
+
             if (OperatingSystem.IsWindows())
             {
                 var windowsVersion = Environment.OSVersion.Version;
@@ -66,8 +58,6 @@ namespace osu.Desktop
                         return;
                     }
                 }
-
-                setupSquirrel();
             }
 
             // NVIDIA profiles are based on the executable name of a process.
@@ -177,32 +167,28 @@ namespace osu.Desktop
             return false;
         }
 
+        private static void setupVelopack()
+        {
+            if (OsuGameDesktop.IsPackageManaged)
+            {
+                Logger.Log("Updates are being managed by an external provider. Skipping Velopack setup.");
+                return;
+            }
+
+            var app = VelopackApp.Build();
+
+            if (OperatingSystem.IsWindows())
+                configureWindows(app);
+
+            app.Run();
+        }
+
         [SupportedOSPlatform("windows")]
-        private static void setupSquirrel()
+        private static void configureWindows(VelopackApp app)
         {
-            SquirrelAwareApp.HandleEvents(onInitialInstall: (_, tools) =>
-            {
-                tools.CreateShortcutForThisExe();
-                tools.CreateUninstallerRegistryEntry();
-                WindowsAssociationManager.InstallAssociations();
-            }, onAppUpdate: (_, tools) =>
-            {
-                tools.CreateUninstallerRegistryEntry();
-                WindowsAssociationManager.UpdateAssociations();
-            }, onAppUninstall: (_, tools) =>
-            {
-                tools.RemoveShortcutForThisExe();
-                tools.RemoveUninstallerRegistryEntry();
-                WindowsAssociationManager.UninstallAssociations();
-            }, onEveryRun: (_, _, _) =>
-            {
-                // While setting the `ProcessAppUserModelId` fixes duplicate icons/shortcuts on the taskbar, it currently
-                // causes the right-click context menu to function incorrectly.
-                //
-                // This may turn out to be non-required after an alternative solution is implemented.
-                // see https://github.com/clowd/Clowd.Squirrel/issues/24
-                // tools.SetProcessAppUserModelId();
-            });
+            app.WithFirstRun(_ => WindowsAssociationManager.InstallAssociations());
+            app.WithAfterUpdateFastCallback(_ => WindowsAssociationManager.UpdateAssociations());
+            app.WithBeforeUninstallFastCallback(_ => WindowsAssociationManager.UninstallAssociations());
         }
     }
 }

osu.Desktop/Updater/SquirrelUpdateManager.cs

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

osu.Desktop/Updater/VelopackUpdateManager.cs

@@ -0,0 +1,140 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System;
+using System.Threading.Tasks;
+using osu.Framework.Allocation;
+using osu.Framework.Logging;
+using osu.Game;
+using osu.Game.Overlays;
+using osu.Game.Overlays.Notifications;
+using osu.Game.Screens.Play;
+using Velopack;
+using Velopack.Sources;
+
+namespace osu.Desktop.Updater
+{
+    public partial class VelopackUpdateManager : Game.Updater.UpdateManager
+    {
+        private readonly UpdateManager updateManager;
+        private INotificationOverlay notificationOverlay = null!;
+
+        [Resolved]
+        private OsuGameBase game { get; set; } = null!;
+
+        [Resolved]
+        private ILocalUserPlayInfo? localUserInfo { get; set; }
+
+        private UpdateInfo? pendingUpdate;
+
+        public VelopackUpdateManager()
+        {
+            updateManager = new UpdateManager(new GithubSource(@"https://github.com/ppy/osu", null, false), new UpdateOptions
+            {
+                AllowVersionDowngrade = true,
+            });
+        }
+
+        [BackgroundDependencyLoader]
+        private void load(INotificationOverlay notifications)
+        {
+            notificationOverlay = notifications;
+        }
+
+        protected override async Task<bool> PerformUpdateCheck() => await checkForUpdateAsync().ConfigureAwait(false);
+
+        private async Task<bool> checkForUpdateAsync(UpdateProgressNotification? notification = null)
+        {
+            // whether to check again in 30 minutes. generally only if there's an error or no update was found (yet).
+            bool scheduleRecheck = false;
+
+            try
+            {
+                // Avoid any kind of update checking while gameplay is running.
+                if (localUserInfo?.IsPlaying.Value == true)
+                {
+                    scheduleRecheck = true;
+                    return false;
+                }
+
+                // TODO: we should probably be checking if there's a more recent update, rather than shortcutting here.
+                // Velopack does support this scenario (see https://github.com/ppy/osu/pull/28743#discussion_r1743495975).
+                if (pendingUpdate != null)
+                {
+                    // If there is an update pending restart, show the notification to restart again.
+                    notificationOverlay.Post(new UpdateApplicationCompleteNotification
+                    {
+                        Activated = () =>
+                        {
+                            Task.Run(restartToApplyUpdate);
+                            return true;
+                        }
+                    });
+
+                    return true;
+                }
+
+                pendingUpdate = await updateManager.CheckForUpdatesAsync().ConfigureAwait(false);
+
+                // No update is available. We'll check again later.
+                if (pendingUpdate == null)
+                {
+                    scheduleRecheck = true;
+                    return false;
+                }
+
+                // An update is found, let's notify the user and start downloading it.
+                if (notification == null)
+                {
+                    notification = new UpdateProgressNotification
+                    {
+                        CompletionClickAction = () =>
+                        {
+                            Task.Run(restartToApplyUpdate);
+                            return true;
+                        },
+                    };
+
+                    Schedule(() => notificationOverlay.Post(notification));
+                }
+
+                notification.StartDownload();
+
+                try
+                {
+                    await updateManager.DownloadUpdatesAsync(pendingUpdate, p => notification.Progress = p / 100f).ConfigureAwait(false);
+
+                    notification.State = ProgressNotificationState.Completed;
+                }
+                catch (Exception e)
+                {
+                    // In the case of an error, a separate notification will be displayed.
+                    scheduleRecheck = true;
+                    notification.FailDownload();
+                    Logger.Error(e, @"update failed!");
+                }
+            }
+            catch (Exception e)
+            {
+                // we'll ignore this and retry later. can be triggered by no internet connection or thread abortion.
+                scheduleRecheck = true;
+                Logger.Log($@"update check failed ({e.Message})");
+            }
+            finally
+            {
+                if (scheduleRecheck)
+                {
+                    Scheduler.AddDelayed(() => Task.Run(async () => await checkForUpdateAsync().ConfigureAwait(false)), 60000 * 30);
+                }
+            }
+
+            return true;
+        }
+
+        private async Task restartToApplyUpdate()
+        {
+            await updateManager.WaitExitThenApplyUpdatesAsync(pendingUpdate?.TargetFullRelease).ConfigureAwait(false);
+            Schedule(() => game.AttemptExit());
+        }
+    }
+}

osu.Desktop/Windows/Icons.cs

@@ -13,5 +13,7 @@ namespace osu.Desktop.Windows
         private static readonly string icon_directory = Path.GetDirectoryName(typeof(Icons).Assembly.Location)!;
 
         public static string Lazer => Path.Join(icon_directory, "lazer.ico");
+
+        public static string Beatmap => Path.Join(icon_directory, "beatmap.ico");
     }
 }

osu.Desktop/Windows/WindowsAssociationManager.cs

@@ -40,10 +40,10 @@ namespace osu.Desktop.Windows
 
         private static readonly FileAssociation[] file_associations =
         {
-            new FileAssociation(@".osz", WindowsAssociationManagerStrings.OsuBeatmap, Icons.Lazer),
-            new FileAssociation(@".olz", WindowsAssociationManagerStrings.OsuBeatmap, Icons.Lazer),
-            new FileAssociation(@".osr", WindowsAssociationManagerStrings.OsuReplay, Icons.Lazer),
-            new FileAssociation(@".osk", WindowsAssociationManagerStrings.OsuSkin, Icons.Lazer),
+            new FileAssociation(@".osz", WindowsAssociationManagerStrings.OsuBeatmap, Icons.Beatmap),
+            new FileAssociation(@".olz", WindowsAssociationManagerStrings.OsuBeatmap, Icons.Beatmap),
+            new FileAssociation(@".osr", WindowsAssociationManagerStrings.OsuReplay, Icons.Beatmap),
+            new FileAssociation(@".osk", WindowsAssociationManagerStrings.OsuSkin, Icons.Beatmap),
         };
 
         private static readonly UriAssociation[] uri_associations =

osu.Desktop/osu.Desktop.csproj

@@ -5,6 +5,7 @@
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <Description>A free-to-win rhythm game. Rhythm is just a *click* away!</Description>
     <AssemblyName>osu!</AssemblyName>
+    <AssemblyTitle>osu!(lazer)</AssemblyTitle>
     <Title>osu!</Title>
     <Product>osu!(lazer)</Product>
     <ApplicationIcon>lazer.ico</ApplicationIcon>
@@ -23,9 +24,9 @@
     <ProjectReference Include="..\osu.Game.Rulesets.Taiko\osu.Game.Rulesets.Taiko.csproj" />
   </ItemGroup>
   <ItemGroup Label="Package References">
-    <PackageReference Include="Clowd.Squirrel" Version="2.11.1" />
     <PackageReference Include="System.IO.Packaging" Version="8.0.0" />
     <PackageReference Include="DiscordRichPresence" Version="1.2.1.24" />
+    <PackageReference Include="Velopack" Version="0.0.630-g9c52e40" />
   </ItemGroup>
   <ItemGroup Label="Resources">
     <EmbeddedResource Include="lazer.ico" />

osu.Game.Benchmarks/BenchmarkGeometryUtils.cs

@@ -0,0 +1,29 @@
+// 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 BenchmarkDotNet.Attributes;
+using osu.Framework.Utils;
+using osu.Game.Utils;
+using osuTK;
+
+namespace osu.Game.Benchmarks
+{
+    public class BenchmarkGeometryUtils : BenchmarkTest
+    {
+        [Params(100, 1000, 2000, 4000, 8000, 10000)]
+        public int N;
+
+        private Vector2[] points = null!;
+
+        public override void SetUp()
+        {
+            points = new Vector2[N];
+
+            for (int i = 0; i < points.Length; ++i)
+                points[i] = new Vector2(RNG.Next(512), RNG.Next(384));
+        }
+
+        [Benchmark]
+        public void MinimumEnclosingCircle() => GeometryUtils.MinimumEnclosingCircle(points);
+    }
+}

osu.Game.Rulesets.Catch.Tests/Editor/CatchPlacementBlueprintTestScene.cs

@@ -71,7 +71,7 @@ namespace osu.Game.Rulesets.Catch.Tests.Editor
             contentContainer.Playfield.HitObjectContainer.Add(hitObject);
         }
 
-        protected override SnapResult SnapForBlueprint(PlacementBlueprint blueprint)
+        protected override SnapResult SnapForBlueprint(HitObjectPlacementBlueprint blueprint)
         {
             var result = base.SnapForBlueprint(blueprint);
             result.Time = Math.Round(HitObjectContainer.TimeAtScreenSpacePosition(result.ScreenSpacePosition) / TIME_SNAP) * TIME_SNAP;

osu.Game.Rulesets.Catch.Tests/Editor/TestSceneBananaShowerPlacementBlueprint.cs

@@ -22,7 +22,7 @@ namespace osu.Game.Rulesets.Catch.Tests.Editor
     {
         protected override DrawableHitObject CreateHitObject(HitObject hitObject) => new DrawableBananaShower((BananaShower)hitObject);
 
-        protected override PlacementBlueprint CreateBlueprint() => new BananaShowerPlacementBlueprint();
+        protected override HitObjectPlacementBlueprint CreateBlueprint() => new BananaShowerPlacementBlueprint();
 
         protected override void AddHitObject(DrawableHitObject hitObject)
         {

osu.Game.Rulesets.Catch.Tests/Editor/TestSceneFruitPlacementBlueprint.cs

@@ -19,7 +19,7 @@ namespace osu.Game.Rulesets.Catch.Tests.Editor
     {
         protected override DrawableHitObject CreateHitObject(HitObject hitObject) => new DrawableFruit((Fruit)hitObject);
 
-        protected override PlacementBlueprint CreateBlueprint() => new FruitPlacementBlueprint();
+        protected override HitObjectPlacementBlueprint CreateBlueprint() => new FruitPlacementBlueprint();
 
         [Test]
         public void TestFruitPlacementPosition()

osu.Game.Rulesets.Catch.Tests/Editor/TestSceneJuiceStreamPlacementBlueprint.cs

@@ -114,7 +114,7 @@ namespace osu.Game.Rulesets.Catch.Tests.Editor
 
         protected override DrawableHitObject CreateHitObject(HitObject hitObject) => new DrawableJuiceStream((JuiceStream)hitObject);
 
-        protected override PlacementBlueprint CreateBlueprint() => new JuiceStreamPlacementBlueprint();
+        protected override HitObjectPlacementBlueprint CreateBlueprint() => new JuiceStreamPlacementBlueprint();
 
         private void addMoveAndClickSteps(double time, float position, bool end = false)
         {

osu.Game.Rulesets.Catch/Difficulty/CatchDifficultyCalculator.cs

@@ -3,7 +3,6 @@
 
 using System;
 using System.Collections.Generic;
-using System.Linq;
 using osu.Game.Beatmaps;
 using osu.Game.Rulesets.Catch.Beatmaps;
 using osu.Game.Rulesets.Catch.Difficulty.Preprocessing;
@@ -20,7 +19,7 @@ namespace osu.Game.Rulesets.Catch.Difficulty
 {
     public class CatchDifficultyCalculator : DifficultyCalculator
     {
-        private const double star_scaling_factor = 0.153;
+        private const double difficulty_multiplier = 4.59;
 
         private float halfCatcherWidth;
 
@@ -41,10 +40,10 @@ namespace osu.Game.Rulesets.Catch.Difficulty
 
             CatchDifficultyAttributes attributes = new CatchDifficultyAttributes
             {
-                StarRating = Math.Sqrt(skills[0].DifficultyValue()) * star_scaling_factor,
+                StarRating = Math.Sqrt(skills[0].DifficultyValue()) * difficulty_multiplier,
                 Mods = mods,
                 ApproachRate = preempt > 1200.0 ? -(preempt - 1800.0) / 120.0 : -(preempt - 1200.0) / 150.0 + 5.0,
-                MaxCombo = beatmap.HitObjects.Count(h => h is Fruit) + beatmap.HitObjects.OfType<JuiceStream>().SelectMany(j => j.NestedHitObjects).Count(h => !(h is TinyDroplet)),
+                MaxCombo = beatmap.GetMaxCombo(),
             };
 
             return attributes;

osu.Game.Rulesets.Catch/Difficulty/Skills/Movement.cs

@@ -15,7 +15,7 @@ namespace osu.Game.Rulesets.Catch.Difficulty.Skills
         private const float normalized_hitobject_radius = 41.0f;
         private const double direction_change_bonus = 21.0;
 
-        protected override double SkillMultiplier => 900;
+        protected override double SkillMultiplier => 1;
         protected override double StrainDecayBase => 0.2;
 
         protected override double DecayWeight => 0.94;

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

@@ -10,7 +10,7 @@ using osu.Game.Rulesets.Edit.Tools;
 
 namespace osu.Game.Rulesets.Catch.Edit
 {
-    public class BananaShowerCompositionTool : HitObjectCompositionTool
+    public class BananaShowerCompositionTool : CompositionTool
     {
         public BananaShowerCompositionTool()
             : base(nameof(BananaShower))
@@ -19,6 +19,6 @@ namespace osu.Game.Rulesets.Catch.Edit
 
         public override Drawable CreateIcon() => new BeatmapStatisticIcon(BeatmapStatisticsIconType.Spinners);
 
-        public override PlacementBlueprint CreatePlacementBlueprint() => new BananaShowerPlacementBlueprint();
+        public override HitObjectPlacementBlueprint CreatePlacementBlueprint() => new BananaShowerPlacementBlueprint();
     }
 }

osu.Game.Rulesets.Catch/Edit/Blueprints/CatchPlacementBlueprint.cs

@@ -9,7 +9,7 @@ using osu.Game.Rulesets.UI.Scrolling;
 
 namespace osu.Game.Rulesets.Catch.Edit.Blueprints
 {
-    public partial class CatchPlacementBlueprint<THitObject> : PlacementBlueprint
+    public partial class CatchPlacementBlueprint<THitObject> : HitObjectPlacementBlueprint
         where THitObject : CatchHitObject, new()
     {
         protected new THitObject HitObject => (THitObject)base.HitObject;

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

@@ -18,7 +18,9 @@ namespace osu.Game.Rulesets.Catch.Edit
             // The implementation below is probably correct but should be checked if/when exposed via controls.
 
             float expectedDistance = DurationToDistance(before, after.StartTime - before.GetEndTime());
-            float actualDistance = Math.Abs(((CatchHitObject)before).EffectiveX - ((CatchHitObject)after).EffectiveX);
+
+            float previousEndX = (before as JuiceStream)?.EndX ?? ((CatchHitObject)before).EffectiveX;
+            float actualDistance = Math.Abs(previousEndX - ((CatchHitObject)after).EffectiveX);
 
             return actualDistance / expectedDistance;
         }

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

@@ -84,7 +84,7 @@ namespace osu.Game.Rulesets.Catch.Edit
 
         protected override BeatSnapGrid CreateBeatSnapGrid() => new CatchBeatSnapGrid();
 
-        protected override IReadOnlyList<HitObjectCompositionTool> CompositionTools => new HitObjectCompositionTool[]
+        protected override IReadOnlyList<CompositionTool> CompositionTools => new CompositionTool[]
         {
             new FruitCompositionTool(),
             new JuiceStreamCompositionTool(),
@@ -114,6 +114,26 @@ namespace osu.Game.Rulesets.Catch.Edit
         {
         }
 
+        protected override bool OnKeyDown(KeyDownEvent e)
+        {
+            if (e.Repeat)
+                return false;
+
+            handleToggleViaKey(e);
+            return base.OnKeyDown(e);
+        }
+
+        protected override void OnKeyUp(KeyUpEvent e)
+        {
+            handleToggleViaKey(e);
+            base.OnKeyUp(e);
+        }
+
+        private void handleToggleViaKey(KeyboardEvent key)
+        {
+            DistanceSnapProvider.HandleToggleViaKey(key);
+        }
+
         public override SnapResult FindSnappedPositionAndTime(Vector2 screenSpacePosition, SnapType snapType = SnapType.All)
         {
             var result = base.FindSnappedPositionAndTime(screenSpacePosition, snapType);

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

@@ -10,7 +10,7 @@ using osu.Game.Rulesets.Edit.Tools;
 
 namespace osu.Game.Rulesets.Catch.Edit
 {
-    public class FruitCompositionTool : HitObjectCompositionTool
+    public class FruitCompositionTool : CompositionTool
     {
         public FruitCompositionTool()
             : base(nameof(Fruit))
@@ -19,6 +19,6 @@ namespace osu.Game.Rulesets.Catch.Edit
 
         public override Drawable CreateIcon() => new BeatmapStatisticIcon(BeatmapStatisticsIconType.Circles);
 
-        public override PlacementBlueprint CreatePlacementBlueprint() => new FruitPlacementBlueprint();
+        public override HitObjectPlacementBlueprint CreatePlacementBlueprint() => new FruitPlacementBlueprint();
     }
 }

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

@@ -10,7 +10,7 @@ using osu.Game.Rulesets.Edit.Tools;
 
 namespace osu.Game.Rulesets.Catch.Edit
 {
-    public class JuiceStreamCompositionTool : HitObjectCompositionTool
+    public class JuiceStreamCompositionTool : CompositionTool
     {
         public JuiceStreamCompositionTool()
             : base(nameof(JuiceStream))
@@ -19,6 +19,6 @@ namespace osu.Game.Rulesets.Catch.Edit
 
         public override Drawable CreateIcon() => new BeatmapStatisticIcon(BeatmapStatisticsIconType.Sliders);
 
-        public override PlacementBlueprint CreatePlacementBlueprint() => new JuiceStreamPlacementBlueprint();
+        public override HitObjectPlacementBlueprint CreatePlacementBlueprint() => new JuiceStreamPlacementBlueprint();
     }
 }

osu.Game.Rulesets.Catch/Objects/Drawables/DrawableBanana.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 System;
 using osu.Framework.Allocation;
-using osu.Framework.Graphics;
+using osu.Framework.Utils;
 using osu.Game.Rulesets.Catch.Skinning.Default;
 using osu.Game.Skinning;
+using osuTK;
 
 namespace osu.Game.Rulesets.Catch.Objects.Drawables
 {
@@ -36,23 +38,43 @@ namespace osu.Game.Rulesets.Catch.Objects.Drawables
             StartTimeBindable.BindValueChanged(_ => UpdateComboColour());
         }
 
+        private float startScale;
+        private float endScale;
+
+        private float startAngle;
+        private float endAngle;
+
         protected override void UpdateInitialTransforms()
         {
             base.UpdateInitialTransforms();
 
+            // Important to have this in UpdateInitialTransforms() to it is re-triggered by RefreshStateTransforms().
             const float end_scale = 0.6f;
             const float random_scale_range = 1.6f;
 
-            ScalingContainer.ScaleTo(HitObject.Scale * (end_scale + random_scale_range * RandomSingle(3)))
-                            .Then().ScaleTo(HitObject.Scale * end_scale, HitObject.TimePreempt);
+            startScale = end_scale + random_scale_range * RandomSingle(3);
+            endScale = end_scale;
 
-            ScalingContainer.RotateTo(getRandomAngle(1))
-                            .Then()
-                            .RotateTo(getRandomAngle(2), HitObject.TimePreempt);
+            startAngle = getRandomAngle(1);
+            endAngle = getRandomAngle(2);
 
             float getRandomAngle(int series) => 180 * (RandomSingle(series) * 2 - 1);
         }
 
+        protected override void Update()
+        {
+            base.Update();
+
+            double preemptProgress = (Time.Current - (HitObject.StartTime - InitialLifetimeOffset)) / HitObject.TimePreempt;
+
+            // Clamp scale and rotation at the point of bananas being caught, else let them freely extrapolate.
+            if (Result.IsHit)
+                preemptProgress = Math.Min(1, preemptProgress);
+
+            ScalingContainer.Scale = new Vector2(HitObject.Scale * (float)Interpolation.Lerp(startScale, endScale, preemptProgress));
+            ScalingContainer.Rotation = (float)Interpolation.Lerp(startAngle, endAngle, preemptProgress);
+        }
+
         public override void PlaySamples()
         {
             base.PlaySamples();

osu.Game.Rulesets.Catch/Objects/Drawables/DrawableDroplet.cs

@@ -2,7 +2,7 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using osu.Framework.Allocation;
-using osu.Framework.Graphics;
+using osu.Framework.Utils;
 using osu.Game.Rulesets.Catch.Skinning.Default;
 using osu.Game.Skinning;
 
@@ -28,15 +28,24 @@ namespace osu.Game.Rulesets.Catch.Objects.Drawables
                 _ => new DropletPiece());
         }
 
+        private float startRotation;
+
         protected override void UpdateInitialTransforms()
         {
             base.UpdateInitialTransforms();
 
-            // roughly matches osu-stable
-            float startRotation = RandomSingle(1) * 20;
-            double duration = HitObject.TimePreempt + 2000;
+            // Important to have this in UpdateInitialTransforms() to it is re-triggered by RefreshStateTransforms().
+            startRotation = RandomSingle(1) * 20;
+        }
 
-            ScalingContainer.RotateTo(startRotation).RotateTo(startRotation + 720, duration);
+        protected override void Update()
+        {
+            base.Update();
+
+            // No clamping for droplets. They should be considered indefinitely spinning regardless of time.
+            // They also never end up on the plate, so they shouldn't stop spinning when caught.
+            double preemptProgress = (Time.Current - (HitObject.StartTime - InitialLifetimeOffset)) / (HitObject.TimePreempt + 2000);
+            ScalingContainer.Rotation = (float)Interpolation.Lerp(startRotation, startRotation + 720, preemptProgress);
         }
     }
 }

osu.Game.Rulesets.Catch/Objects/Drawables/DrawableFruit.cs

@@ -2,7 +2,6 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using osu.Framework.Allocation;
-using osu.Framework.Graphics;
 using osu.Game.Rulesets.Catch.Skinning.Default;
 using osu.Game.Skinning;
 
@@ -32,7 +31,8 @@ namespace osu.Game.Rulesets.Catch.Objects.Drawables
         {
             base.UpdateInitialTransforms();
 
-            ScalingContainer.RotateTo((RandomSingle(1) - 0.5f) * 40);
+            // Important to have this in UpdateInitialTransforms() to it is re-triggered by RefreshStateTransforms().
+            ScalingContainer.Rotation = (RandomSingle(1) - 0.5f) * 40;
         }
     }
 }

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

@@ -47,7 +47,7 @@ namespace osu.Game.Rulesets.Mania.Tests.Editor
             });
         }
 
-        protected override SnapResult SnapForBlueprint(PlacementBlueprint blueprint)
+        protected override SnapResult SnapForBlueprint(HitObjectPlacementBlueprint blueprint)
         {
             double time = column.TimeAtScreenSpacePosition(InputManager.CurrentState.Mouse.Position);
             var pos = column.ScreenSpacePositionAtTime(time);

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

@@ -13,6 +13,6 @@ namespace osu.Game.Rulesets.Mania.Tests.Editor
     public partial class TestSceneHoldNotePlacementBlueprint : ManiaPlacementBlueprintTestScene
     {
         protected override DrawableHitObject CreateHitObject(HitObject hitObject) => new DrawableHoldNote((HoldNote)hitObject);
-        protected override PlacementBlueprint CreateBlueprint() => new HoldNotePlacementBlueprint();
+        protected override HitObjectPlacementBlueprint CreateBlueprint() => new HoldNotePlacementBlueprint();
     }
 }

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

@@ -6,6 +6,7 @@ using NUnit.Framework;
 using osu.Framework.Testing;
 using osu.Game.Beatmaps;
 using osu.Game.Rulesets.Mania.Objects;
+using osu.Game.Rulesets.Mania.UI;
 using osu.Game.Screens.Edit.Compose.Components;
 using osu.Game.Tests.Beatmaps;
 using osu.Game.Tests.Visual;
@@ -92,5 +93,30 @@ namespace osu.Game.Rulesets.Mania.Tests.Editor
             AddAssert("second object flipped", () => second.StartTime, () => Is.EqualTo(250));
             AddAssert("third object flipped", () => third.StartTime, () => Is.EqualTo(1250));
         }
+
+        [Test]
+        public void TestOffScreenObjectsRemainSelectedOnColumnChange()
+        {
+            AddStep("create objects", () =>
+            {
+                for (int i = 0; i < 20; ++i)
+                    EditorBeatmap.Add(new Note { StartTime = 1000 * i, Column = 0 });
+            });
+
+            AddStep("select everything", () => EditorBeatmap.SelectedHitObjects.AddRange(EditorBeatmap.HitObjects));
+            AddStep("start drag", () =>
+            {
+                InputManager.MoveMouseTo(this.ChildrenOfType<Column>().First());
+                InputManager.PressButton(MouseButton.Left);
+            });
+            AddStep("end drag", () =>
+            {
+                InputManager.MoveMouseTo(this.ChildrenOfType<Column>().Last());
+                InputManager.ReleaseButton(MouseButton.Left);
+            });
+
+            AddAssert("all objects in last column", () => EditorBeatmap.HitObjects.All(ho => ((ManiaHitObject)ho).Column == 3));
+            AddAssert("all objects remain selected", () => EditorBeatmap.SelectedHitObjects.SequenceEqual(EditorBeatmap.HitObjects));
+        }
     }
 }

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

@@ -64,6 +64,6 @@ namespace osu.Game.Rulesets.Mania.Tests.Editor
         private Note getNote() => this.ChildrenOfType<DrawableNote>().FirstOrDefault()?.HitObject;
 
         protected override DrawableHitObject CreateHitObject(HitObject hitObject) => new DrawableNote((Note)hitObject);
-        protected override PlacementBlueprint CreateBlueprint() => new NotePlacementBlueprint();
+        protected override HitObjectPlacementBlueprint CreateBlueprint() => new NotePlacementBlueprint();
     }
 }

osu.Game.Rulesets.Mania/Difficulty/ManiaDifficultyCalculator.cs

@@ -24,7 +24,7 @@ namespace osu.Game.Rulesets.Mania.Difficulty
 {
     public class ManiaDifficultyCalculator : DifficultyCalculator
     {
-        private const double star_scaling_factor = 0.018;
+        private const double difficulty_multiplier = 0.018;
 
         private readonly bool isForCurrentRuleset;
         private readonly double originalOverallDifficulty;
@@ -48,7 +48,7 @@ namespace osu.Game.Rulesets.Mania.Difficulty
 
             ManiaDifficultyAttributes attributes = new ManiaDifficultyAttributes
             {
-                StarRating = skills[0].DifficultyValue() * star_scaling_factor,
+                StarRating = skills[0].DifficultyValue() * difficulty_multiplier,
                 Mods = mods,
                 // In osu-stable mania, rate-adjustment mods don't affect the hit window.
                 // This is done the way it is to introduce fractional differences in order to match osu-stable for the time being.

osu.Game.Rulesets.Mania/Difficulty/ManiaPerformanceCalculator.cs

@@ -38,9 +38,7 @@ namespace osu.Game.Rulesets.Mania.Difficulty
             countMiss = score.Statistics.GetValueOrDefault(HitResult.Miss);
             scoreAccuracy = calculateCustomAccuracy();
 
-            // Arbitrary initial value for scaling pp in order to standardize distributions across game modes.
-            // The specific number has no intrinsic meaning and can be adjusted as needed.
-            double multiplier = 8.0;
+            double multiplier = 1.0;
 
             if (score.Mods.Any(m => m is ModNoFail))
                 multiplier *= 0.75;
@@ -59,7 +57,7 @@ namespace osu.Game.Rulesets.Mania.Difficulty
 
         private double computeDifficultyValue(ManiaDifficultyAttributes attributes)
         {
-            double difficultyValue = Math.Pow(Math.Max(attributes.StarRating - 0.15, 0.05), 2.2) // Star rating to pp curve
+            double difficultyValue = 8.0 * Math.Pow(Math.Max(attributes.StarRating - 0.15, 0.05), 2.2) // Star rating to pp curve
                                          * Math.Max(0, 5 * scoreAccuracy - 4) // From 80% accuracy, 1/20th of total pp is awarded per additional 1% accuracy
                                          * (1 + 0.1 * Math.Min(1, totalHits / 1500)); // Length bonus, capped at 1500 notes
 

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

@@ -15,7 +15,7 @@ using osuTK.Input;
 
 namespace osu.Game.Rulesets.Mania.Edit.Blueprints
 {
-    public abstract partial class ManiaPlacementBlueprint<T> : PlacementBlueprint
+    public abstract partial class ManiaPlacementBlueprint<T> : HitObjectPlacementBlueprint
         where T : ManiaHitObject
     {
         protected new T HitObject => (T)base.HitObject;

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

@@ -9,7 +9,7 @@ using osu.Game.Rulesets.Mania.Edit.Blueprints;
 
 namespace osu.Game.Rulesets.Mania.Edit
 {
-    public class HoldNoteCompositionTool : HitObjectCompositionTool
+    public class HoldNoteCompositionTool : CompositionTool
     {
         public HoldNoteCompositionTool()
             : base("Hold")
@@ -18,6 +18,6 @@ namespace osu.Game.Rulesets.Mania.Edit
 
         public override Drawable CreateIcon() => new BeatmapStatisticIcon(BeatmapStatisticsIconType.Sliders);
 
-        public override PlacementBlueprint CreatePlacementBlueprint() => new HoldNotePlacementBlueprint();
+        public override HitObjectPlacementBlueprint CreatePlacementBlueprint() => new HoldNotePlacementBlueprint();
     }
 }

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

@@ -46,7 +46,7 @@ namespace osu.Game.Rulesets.Mania.Edit
 
         protected override BeatSnapGrid CreateBeatSnapGrid() => new ManiaBeatSnapGrid();
 
-        protected override IReadOnlyList<HitObjectCompositionTool> CompositionTools => new HitObjectCompositionTool[]
+        protected override IReadOnlyList<CompositionTool> CompositionTools => new CompositionTool[]
         {
             new NoteCompositionTool(),
             new HoldNoteCompositionTool()

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

@@ -104,8 +104,10 @@ namespace osu.Game.Rulesets.Mania.Edit
             int minColumn = int.MaxValue;
             int maxColumn = int.MinValue;
 
+            var selectedObjects = EditorBeatmap.SelectedHitObjects.OfType<ManiaHitObject>().ToArray();
+
             // find min/max in an initial pass before actually performing the movement.
-            foreach (var obj in EditorBeatmap.SelectedHitObjects.OfType<ManiaHitObject>())
+            foreach (var obj in selectedObjects)
             {
                 if (obj.Column < minColumn)
                     minColumn = obj.Column;
@@ -121,6 +123,13 @@ namespace osu.Game.Rulesets.Mania.Edit
                 ((ManiaHitObject)h).Column += columnDelta;
                 maniaPlayfield.Add(h);
             });
+
+            // `HitObjectUsageEventBuffer`'s usage transferal flows and the playfield's `SetKeepAlive()` functionality do not combine well with this operation's usage pattern,
+            // leading to selections being sometimes partially dropped if some of the objects being moved are off screen
+            // (check blame for detailed explanation).
+            // thus, ensure that selection is preserved manually.
+            EditorBeatmap.SelectedHitObjects.Clear();
+            EditorBeatmap.SelectedHitObjects.AddRange(selectedObjects);
         }
     }
 }

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

@@ -10,7 +10,7 @@ using osu.Game.Rulesets.Mania.Objects;
 
 namespace osu.Game.Rulesets.Mania.Edit
 {
-    public class NoteCompositionTool : HitObjectCompositionTool
+    public class NoteCompositionTool : CompositionTool
     {
         public NoteCompositionTool()
             : base(nameof(Note))
@@ -19,6 +19,6 @@ namespace osu.Game.Rulesets.Mania.Edit
 
         public override Drawable CreateIcon() => new BeatmapStatisticIcon(BeatmapStatisticsIconType.Circles);
 
-        public override PlacementBlueprint CreatePlacementBlueprint() => new NotePlacementBlueprint();
+        public override HitObjectPlacementBlueprint CreatePlacementBlueprint() => new NotePlacementBlueprint();
     }
 }

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

@@ -2,9 +2,12 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using System;
+using System.Globalization;
 using osu.Framework.Allocation;
 using osu.Framework.Bindables;
 using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Game.Rulesets.Scoring;
 using osu.Game.Rulesets.UI.Scrolling;
 using osu.Game.Skinning;
 using osuTK;
@@ -12,17 +15,76 @@ using osuTK.Graphics;
 
 namespace osu.Game.Rulesets.Mania.Skinning.Legacy
 {
-    public partial class LegacyManiaComboCounter : LegacyComboCounter
+    public partial class LegacyManiaComboCounter : CompositeDrawable, ISerialisableDrawable
     {
-        [BackgroundDependencyLoader]
-        private void load(ISkinSource skin)
-        {
-            DisplayedCountText.Anchor = Anchor.Centre;
-            DisplayedCountText.Origin = Anchor.Centre;
+        public bool UsesFixedAnchor { get; set; }
 
-            PopOutCountText.Anchor = Anchor.Centre;
-            PopOutCountText.Origin = Anchor.Centre;
-            PopOutCountText.Colour = skin.GetManiaSkinConfig<Color4>(LegacyManiaSkinConfigurationLookups.ComboBreakColour)?.Value ?? Color4.Red;
+        public Bindable<int> Current { get; } = new BindableInt { MinValue = 0 };
+
+        /// <summary>
+        /// Value shown at the current moment.
+        /// </summary>
+        public virtual int DisplayedCount
+        {
+            get => displayedCount;
+            private set
+            {
+                if (displayedCount.Equals(value))
+                    return;
+
+                displayedCountText.FadeTo(value == 0 ? 0 : 1);
+                displayedCountText.Text = value.ToString(CultureInfo.InvariantCulture);
+                counterContainer.Size = displayedCountText.Size;
+
+                displayedCount = value;
+            }
+        }
+
+        private int displayedCount;
+
+        private int previousValue;
+
+        private const double fade_out_duration = 100;
+        private const double rolling_duration = 20;
+
+        private Container counterContainer = null!;
+        private LegacySpriteText popOutCountText = null!;
+        private LegacySpriteText displayedCountText = null!;
+
+        [BackgroundDependencyLoader]
+        private void load(ISkinSource skin, ScoreProcessor scoreProcessor)
+        {
+            AutoSizeAxes = Axes.Both;
+
+            InternalChildren = new[]
+            {
+                counterContainer = new Container
+                {
+                    AlwaysPresent = true,
+                    Children = new[]
+                    {
+                        popOutCountText = new LegacySpriteText(LegacyFont.Combo)
+                        {
+                            Alpha = 0,
+                            Blending = BlendingParameters.Additive,
+                            BypassAutoSizeAxes = Axes.Both,
+                            Anchor = Anchor.Centre,
+                            Origin = Anchor.Centre,
+                            Colour = skin.GetManiaSkinConfig<Color4>(LegacyManiaSkinConfigurationLookups.ComboBreakColour)?.Value ?? Color4.Red,
+                        },
+                        displayedCountText = new LegacySpriteText(LegacyFont.Combo)
+                        {
+                            Alpha = 0,
+                            AlwaysPresent = true,
+                            BypassAutoSizeAxes = Axes.Both,
+                            Anchor = Anchor.Centre,
+                            Origin = Anchor.Centre,
+                        },
+                    }
+                }
+            };
+
+            Current.BindTo(scoreProcessor.Combo);
         }
 
         [Resolved]
@@ -34,6 +96,12 @@ namespace osu.Game.Rulesets.Mania.Skinning.Legacy
         {
             base.LoadComplete();
 
+            displayedCountText.Text = popOutCountText.Text = Current.Value.ToString(CultureInfo.InvariantCulture);
+
+            Current.BindValueChanged(combo => updateCount(combo.NewValue == 0), true);
+
+            counterContainer.Size = displayedCountText.Size;
+
             direction = scrollingInfo.Direction.GetBoundCopy();
             direction.BindValueChanged(_ => updateAnchor());
 
@@ -56,36 +124,71 @@ namespace osu.Game.Rulesets.Mania.Skinning.Legacy
             Y = Math.Abs(Y) * (direction.Value == ScrollingDirection.Up ? -1 : 1);
         }
 
-        protected override void OnCountIncrement()
+        private void updateCount(bool rolling)
         {
-            base.OnCountIncrement();
+            int prev = previousValue;
+            previousValue = Current.Value;
 
-            PopOutCountText.Hide();
-            DisplayedCountText.ScaleTo(new Vector2(1f, 1.4f))
+            if (!IsLoaded)
+                return;
+
+            if (!rolling)
+            {
+                FinishTransforms(false, nameof(DisplayedCount));
+
+                if (prev + 1 == Current.Value)
+                    onCountIncrement();
+                else
+                    onCountChange();
+            }
+            else
+                onCountRolling();
+        }
+
+        private void onCountIncrement()
+        {
+            popOutCountText.Hide();
+
+            DisplayedCount = Current.Value;
+            displayedCountText.ScaleTo(new Vector2(1f, 1.4f))
                               .ScaleTo(new Vector2(1f), 300, Easing.Out)
                               .FadeIn(120);
         }
 
-        protected override void OnCountChange()
+        private void onCountChange()
         {
-            base.OnCountChange();
+            popOutCountText.Hide();
 
-            PopOutCountText.Hide();
-            DisplayedCountText.ScaleTo(1f);
+            if (Current.Value == 0)
+                displayedCountText.FadeOut();
+
+            DisplayedCount = Current.Value;
+
+            displayedCountText.ScaleTo(1f);
         }
 
-        protected override void OnCountRolling()
+        private void onCountRolling()
         {
             if (DisplayedCount > 0)
             {
-                PopOutCountText.Text = FormatCount(DisplayedCount);
-                PopOutCountText.FadeTo(0.8f).FadeOut(200)
+                popOutCountText.Text = DisplayedCount.ToString(CultureInfo.InvariantCulture);
+                popOutCountText.FadeTo(0.8f).FadeOut(200)
                                .ScaleTo(1f).ScaleTo(4f, 200);
 
-                DisplayedCountText.FadeTo(0.5f, 300);
+                displayedCountText.FadeTo(0.5f, 300);
             }
 
-            base.OnCountRolling();
+            // Hides displayed count if was increasing from 0 to 1 but didn't finish
+            if (DisplayedCount == 0 && Current.Value == 0)
+                displayedCountText.FadeOut(fade_out_duration);
+
+            this.TransformTo(nameof(DisplayedCount), Current.Value, getProportionalDuration(DisplayedCount, Current.Value));
+        }
+
+        private double getProportionalDuration(int currentValue, int newValue)
+        {
+            double difference = currentValue > newValue ? currentValue - newValue : newValue - currentValue;
+            return difference * rolling_duration;
         }
     }
 }

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

@@ -14,6 +14,6 @@ namespace osu.Game.Rulesets.Osu.Tests.Editor
     public partial class TestSceneHitCirclePlacementBlueprint : PlacementBlueprintTestScene
     {
         protected override DrawableHitObject CreateHitObject(HitObject hitObject) => new DrawableHitCircle((HitCircle)hitObject);
-        protected override PlacementBlueprint CreateBlueprint() => new HitCirclePlacementBlueprint();
+        protected override HitObjectPlacementBlueprint CreateBlueprint() => new HitCirclePlacementBlueprint();
     }
 }

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

@@ -116,7 +116,7 @@ namespace osu.Game.Rulesets.Osu.Tests.Editor
                 () => EditorBeatmap.HitObjects.OfType<HitCircle>().ElementAt(1).Position,
                 () => Is.EqualTo(OsuPlayfield.BASE_SIZE - new Vector2(200)));
 
-            AddStep("change rotation origin", () => getPopover().ChildrenOfType<EditorRadioButton>().ElementAt(1).TriggerClick());
+            AddStep("change rotation origin", () => getPopover().ChildrenOfType<EditorRadioButton>().ElementAt(2).TriggerClick());
             AddAssert("first object rotated 90deg around selection centre",
                 () => EditorBeatmap.HitObjects.OfType<HitCircle>().ElementAt(0).Position, () => Is.EqualTo(new Vector2(200, 200)));
             AddAssert("second object rotated 90deg around selection centre",

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

@@ -0,0 +1,47 @@
+// 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 NUnit.Framework;
+using osu.Game.Beatmaps;
+using osu.Game.Rulesets.Objects;
+using osu.Game.Rulesets.Objects.Types;
+using osu.Game.Rulesets.Osu.Objects;
+using osu.Game.Tests.Beatmaps;
+using osuTK;
+
+namespace osu.Game.Rulesets.Osu.Tests.Editor
+{
+    public partial class TestSceneSliderChangeStates : TestSceneOsuEditor
+    {
+        protected override IBeatmap CreateBeatmap(RulesetInfo ruleset) => new TestBeatmap(ruleset, false);
+
+        [TestCase(SplineType.Catmull)]
+        [TestCase(SplineType.BSpline)]
+        [TestCase(SplineType.Linear)]
+        [TestCase(SplineType.PerfectCurve)]
+        public void TestSliderRetainsCurveTypes(SplineType splineType)
+        {
+            Slider? slider = null;
+            PathType pathType = new PathType(splineType);
+
+            AddStep("add slider", () => EditorBeatmap.Add(slider = new Slider
+            {
+                StartTime = 500,
+                Path = new SliderPath(new[]
+                {
+                    new PathControlPoint(Vector2.Zero, pathType),
+                    new PathControlPoint(new Vector2(200, 0), pathType),
+                })
+            }));
+            AddAssert("slider has correct spline type", () => ((Slider)EditorBeatmap.HitObjects[0]).Path.ControlPoints.All(p => p.Type == pathType));
+            AddStep("remove object", () => EditorBeatmap.Remove(slider));
+            AddAssert("slider removed", () => EditorBeatmap.HitObjects.Count == 0);
+            addUndoSteps();
+            AddAssert("slider not removed", () => EditorBeatmap.HitObjects.Count == 1);
+            AddAssert("slider has correct spline type", () => ((Slider)EditorBeatmap.HitObjects[0]).Path.ControlPoints.All(p => p.Type == pathType));
+        }
+
+        private void addUndoSteps() => AddStep("undo", () => Editor.Undo());
+    }
+}

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

@@ -514,6 +514,6 @@ namespace osu.Game.Rulesets.Osu.Tests.Editor
         private Slider? getSlider() => HitObjectContainer.Count > 0 ? ((DrawableSlider)HitObjectContainer[0]).HitObject : null;
 
         protected override DrawableHitObject CreateHitObject(HitObject hitObject) => new DrawableSlider((Slider)hitObject);
-        protected override PlacementBlueprint CreateBlueprint() => new SliderPlacementBlueprint();
+        protected override HitObjectPlacementBlueprint CreateBlueprint() => new SliderPlacementBlueprint();
     }
 }

osu.Game.Rulesets.Osu.Tests/Editor/TestSceneSliderSelectionBlueprint.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 NUnit.Framework;
 using osu.Framework.Utils;
 using osu.Game.Beatmaps;
@@ -22,9 +20,9 @@ namespace osu.Game.Rulesets.Osu.Tests.Editor
 {
     public partial class TestSceneSliderSelectionBlueprint : SelectionBlueprintTestScene
     {
-        private Slider slider;
-        private DrawableSlider drawableObject;
-        private TestSliderBlueprint blueprint;
+        private Slider slider = null!;
+        private DrawableSlider drawableObject = null!;
+        private TestSliderBlueprint blueprint = null!;
 
         [SetUp]
         public void Setup() => Schedule(() =>
@@ -218,6 +216,9 @@ namespace osu.Game.Rulesets.Osu.Tests.Editor
 
             AddAssert("tail positioned correctly",
                 () => Precision.AlmostEquals(blueprint.TailOverlay.CirclePiece.ScreenSpaceDrawQuad.Centre, drawableObject.TailCircle.ScreenSpaceDrawQuad.Centre));
+
+            AddAssert("end drag marker positioned correctly",
+                () => Precision.AlmostEquals(blueprint.TailOverlay.EndDragMarker!.ToScreenSpace(blueprint.TailOverlay.EndDragMarker.OriginPosition), drawableObject.TailCircle.ScreenSpaceDrawQuad.Centre, 2));
         }
 
         private void moveMouseToControlPoint(int index)
@@ -230,14 +231,14 @@ namespace osu.Game.Rulesets.Osu.Tests.Editor
         }
 
         private void checkControlPointSelected(int index, bool selected)
-            => AddAssert($"control point {index} {(selected ? "selected" : "not selected")}", () => blueprint.ControlPointVisualiser.Pieces[index].IsSelected.Value == selected);
+            => AddAssert($"control point {index} {(selected ? "selected" : "not selected")}", () => blueprint.ControlPointVisualiser!.Pieces[index].IsSelected.Value == selected);
 
         private partial class TestSliderBlueprint : SliderSelectionBlueprint
         {
             public new SliderBodyPiece BodyPiece => base.BodyPiece;
             public new TestSliderCircleOverlay HeadOverlay => (TestSliderCircleOverlay)base.HeadOverlay;
             public new TestSliderCircleOverlay TailOverlay => (TestSliderCircleOverlay)base.TailOverlay;
-            public new PathControlPointVisualiser<Slider> ControlPointVisualiser => base.ControlPointVisualiser;
+            public new PathControlPointVisualiser<Slider>? ControlPointVisualiser => base.ControlPointVisualiser;
 
             public TestSliderBlueprint(Slider slider)
                 : base(slider)

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

@@ -15,6 +15,6 @@ namespace osu.Game.Rulesets.Osu.Tests.Editor
     {
         protected override DrawableHitObject CreateHitObject(HitObject hitObject) => new DrawableSpinner((Spinner)hitObject);
 
-        protected override PlacementBlueprint CreateBlueprint() => new SpinnerPlacementBlueprint();
+        protected override HitObjectPlacementBlueprint CreateBlueprint() => new SpinnerPlacementBlueprint();
     }
 }

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

@@ -0,0 +1,133 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using NUnit.Framework;
+using osu.Framework.Allocation;
+using osu.Framework.Graphics;
+using osu.Framework.Testing;
+using osu.Game.Replays;
+using osu.Game.Rulesets.Osu.Configuration;
+using osu.Game.Rulesets.Osu.Replays;
+using osu.Game.Rulesets.Osu.UI;
+using osu.Game.Rulesets.Replays;
+using osu.Game.Tests.Visual;
+using osuTK;
+
+namespace osu.Game.Rulesets.Osu.Tests
+{
+    public partial class TestSceneOsuAnalysisContainer : OsuTestScene
+    {
+        private TestReplayAnalysisOverlay analysisContainer = null!;
+        private ReplayAnalysisSettings settings = null!;
+
+        [Cached]
+        private OsuRulesetConfigManager config = new OsuRulesetConfigManager(null, new OsuRuleset().RulesetInfo);
+
+        [SetUpSteps]
+        public void SetUpSteps()
+        {
+            AddStep("create analysis container", () =>
+            {
+                Children = new Drawable[]
+                {
+                    new OsuPlayfieldAdjustmentContainer
+                    {
+                        Child = analysisContainer = new TestReplayAnalysisOverlay(fabricateReplay()),
+                    },
+                    settings = new ReplayAnalysisSettings(config),
+                };
+
+                settings.ShowClickMarkers.Value = false;
+                settings.ShowAimMarkers.Value = false;
+                settings.ShowCursorPath.Value = false;
+            });
+        }
+
+        [Test]
+        public void TestEverythingOn()
+        {
+            AddStep("enable everything", () =>
+            {
+                settings.ShowClickMarkers.Value = true;
+                settings.ShowAimMarkers.Value = true;
+                settings.ShowCursorPath.Value = true;
+            });
+        }
+
+        [Test]
+        public void TestHitMarkers()
+        {
+            AddStep("enable hit markers", () => settings.ShowClickMarkers.Value = true);
+            AddUntilStep("hit markers visible", () => analysisContainer.HitMarkersVisible);
+            AddStep("disable hit markers", () => settings.ShowClickMarkers.Value = false);
+            AddUntilStep("hit markers not visible", () => !analysisContainer.HitMarkersVisible);
+        }
+
+        [Test]
+        public void TestAimMarker()
+        {
+            AddStep("enable aim markers", () => settings.ShowAimMarkers.Value = true);
+            AddUntilStep("aim markers visible", () => analysisContainer.AimMarkersVisible);
+            AddStep("disable aim markers", () => settings.ShowAimMarkers.Value = false);
+            AddUntilStep("aim markers not visible", () => !analysisContainer.AimMarkersVisible);
+        }
+
+        [Test]
+        public void TestAimLines()
+        {
+            AddStep("enable aim lines", () => settings.ShowCursorPath.Value = true);
+            AddUntilStep("aim lines visible", () => analysisContainer.AimLinesVisible);
+            AddStep("disable aim lines", () => settings.ShowCursorPath.Value = false);
+            AddUntilStep("aim lines not visible", () => !analysisContainer.AimLinesVisible);
+        }
+
+        private Replay fabricateReplay()
+        {
+            var frames = new List<ReplayFrame>();
+            var random = new Random();
+            int posX = 250;
+            int posY = 250;
+
+            var actions = new HashSet<OsuAction>();
+
+            for (int i = 0; i < 1000; i++)
+            {
+                posX = Math.Clamp(posX + random.Next(-20, 21), -100, 600);
+                posY = Math.Clamp(posY + random.Next(-20, 21), -100, 600);
+
+                if (random.NextDouble() > (actions.Count == 0 ? 0.9 : 0.95))
+                {
+                    actions.Add(random.NextDouble() > 0.5 ? OsuAction.LeftButton : OsuAction.RightButton);
+                }
+                else if (random.NextDouble() > 0.7)
+                {
+                    actions.Remove(random.NextDouble() > 0.5 ? OsuAction.LeftButton : OsuAction.RightButton);
+                }
+
+                frames.Add(new OsuReplayFrame
+                {
+                    Time = Time.Current + i * 15,
+                    Position = new Vector2(posX, posY),
+                    Actions = actions.ToList(),
+                });
+            }
+
+            return new Replay { Frames = frames };
+        }
+
+        private partial class TestReplayAnalysisOverlay : ReplayAnalysisOverlay
+        {
+            public TestReplayAnalysisOverlay(Replay replay)
+                : base(replay)
+            {
+            }
+
+            public bool HitMarkersVisible => ClickMarkers?.Alpha > 0 && ClickMarkers.Entries.Any();
+            public bool AimMarkersVisible => FrameMarkers?.Alpha > 0 && FrameMarkers.Entries.Any();
+            public bool AimLinesVisible => CursorPath?.Alpha > 0 && CursorPath.Vertices.Count > 1;
+        }
+    }
+}

osu.Game.Rulesets.Osu/Configuration/OsuRulesetConfigManager.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 osu.Game.Configuration;
 using osu.Game.Rulesets.Configuration;
 using osu.Game.Rulesets.UI;
@@ -11,7 +9,7 @@ namespace osu.Game.Rulesets.Osu.Configuration
 {
     public class OsuRulesetConfigManager : RulesetConfigManager<OsuRulesetSetting>
     {
-        public OsuRulesetConfigManager(SettingsStore settings, RulesetInfo ruleset, int? variant = null)
+        public OsuRulesetConfigManager(SettingsStore? settings, RulesetInfo ruleset, int? variant = null)
             : base(settings, ruleset, variant)
         {
         }
@@ -24,6 +22,12 @@ namespace osu.Game.Rulesets.Osu.Configuration
             SetDefault(OsuRulesetSetting.ShowCursorTrail, true);
             SetDefault(OsuRulesetSetting.ShowCursorRipples, false);
             SetDefault(OsuRulesetSetting.PlayfieldBorderStyle, PlayfieldBorderStyle.None);
+
+            SetDefault(OsuRulesetSetting.ReplayClickMarkersEnabled, false);
+            SetDefault(OsuRulesetSetting.ReplayFrameMarkersEnabled, false);
+            SetDefault(OsuRulesetSetting.ReplayCursorPathEnabled, false);
+            SetDefault(OsuRulesetSetting.ReplayCursorHideEnabled, false);
+            SetDefault(OsuRulesetSetting.ReplayAnalysisDisplayLength, 800);
         }
     }
 
@@ -34,5 +38,12 @@ namespace osu.Game.Rulesets.Osu.Configuration
         ShowCursorTrail,
         ShowCursorRipples,
         PlayfieldBorderStyle,
+
+        // Replay
+        ReplayClickMarkersEnabled,
+        ReplayFrameMarkersEnabled,
+        ReplayCursorPathEnabled,
+        ReplayCursorHideEnabled,
+        ReplayAnalysisDisplayLength,
     }
 }

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

@@ -10,7 +10,7 @@ namespace osu.Game.Rulesets.Osu.Difficulty.Evaluators
 {
     public static class SpeedEvaluator
     {
-        private const double single_spacing_threshold = 125;
+        private const double single_spacing_threshold = 125; // 1.25 circles distance between centers
         private const double min_speed_bonus = 75; // ~200BPM
         private const double speed_balancing_factor = 40;
 
@@ -50,16 +50,27 @@ namespace osu.Game.Rulesets.Osu.Difficulty.Evaluators
             // 0.93 is derived from making sure 260bpm OD8 streams aren't nerfed harshly, whilst 0.92 limits the effect of the cap.
             strainTime /= Math.Clamp((strainTime / osuCurrObj.HitWindowGreat) / 0.93, 0.92, 1);
 
-            // derive speedBonus for calculation
+            // speedBonus will be 1.0 for BPM < 200
             double speedBonus = 1.0;
 
+            // Add additional scaling bonus for streams/bursts higher than 200bpm
             if (strainTime < min_speed_bonus)
                 speedBonus = 1 + 0.75 * Math.Pow((min_speed_bonus - strainTime) / speed_balancing_factor, 2);
 
             double travelDistance = osuPrevObj?.TravelDistance ?? 0;
-            double distance = Math.Min(single_spacing_threshold, travelDistance + osuCurrObj.MinimumJumpDistance);
+            double distance = travelDistance + osuCurrObj.MinimumJumpDistance;
 
-            return (speedBonus + speedBonus * Math.Pow(distance / single_spacing_threshold, 3.5)) * doubletapness / strainTime;
+            // Cap distance at single_spacing_threshold
+            distance = Math.Min(distance, single_spacing_threshold);
+
+            // Max distance bonus is 2 at single_spacing_threshold
+            double distanceBonus = 1 + Math.Pow(distance / single_spacing_threshold, 3.5);
+
+            // Base difficulty with all bonuses
+            double difficulty = speedBonus * distanceBonus * 1000 / strainTime;
+
+            // Apply penalty if there's doubletappable doubles
+            return difficulty * doubletapness;
         }
     }
 }

osu.Game.Rulesets.Osu/Difficulty/OsuDifficultyCalculator.cs

@@ -81,7 +81,6 @@ namespace osu.Game.Rulesets.Osu.Difficulty
 
             double preempt = IBeatmapDifficultyInfo.DifficultyRange(beatmap.Difficulty.ApproachRate, 1800, 1200, 450) / clockRate;
             double drainRate = beatmap.Difficulty.DrainRate;
-            int maxCombo = beatmap.GetMaxCombo();
 
             int hitCirclesCount = beatmap.HitObjects.Count(h => h is HitCircle);
             int sliderCount = beatmap.HitObjects.Count(h => h is Slider);
@@ -104,7 +103,7 @@ namespace osu.Game.Rulesets.Osu.Difficulty
                 ApproachRate = preempt > 1200 ? (1800 - preempt) / 120 : (1200 - preempt) / 150 + 5,
                 OverallDifficulty = (80 - hitWindowGreat) / 6,
                 DrainRate = drainRate,
-                MaxCombo = maxCombo,
+                MaxCombo = beatmap.GetMaxCombo(),
                 HitCircleCount = hitCirclesCount,
                 SliderCount = sliderCount,
                 SpinnerCount = spinnerCount,

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

@@ -23,7 +23,7 @@ namespace osu.Game.Rulesets.Osu.Difficulty.Skills
 
         private double currentStrain;
 
-        private double skillMultiplier => 23.55;
+        private double skillMultiplier => 24.963;
         private double strainDecayBase => 0.15;
 
         private double strainDecay(double ms) => Math.Pow(strainDecayBase, ms / 1000);

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

@@ -24,7 +24,7 @@ namespace osu.Game.Rulesets.Osu.Difficulty.Skills
             hasHiddenMod = mods.Any(m => m is OsuModHidden);
         }
 
-        private double skillMultiplier => 0.052;
+        private double skillMultiplier => 0.05512;
         private double strainDecayBase => 0.15;
 
         private double currentStrain;
@@ -41,7 +41,7 @@ namespace osu.Game.Rulesets.Osu.Difficulty.Skills
             return currentStrain;
         }
 
-        public override double DifficultyValue() => GetCurrentStrainPeaks().Sum() * OsuStrainSkill.DEFAULT_DIFFICULTY_MULTIPLIER;
+        public override double DifficultyValue() => GetCurrentStrainPeaks().Sum();
 
         public static double DifficultyToPerformance(double difficulty) => 25 * Math.Pow(difficulty, 2);
     }

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

@@ -12,12 +12,6 @@ namespace osu.Game.Rulesets.Osu.Difficulty.Skills
 {
     public abstract class OsuStrainSkill : StrainSkill
     {
-        /// <summary>
-        /// The default multiplier applied by <see cref="OsuStrainSkill"/> to the final difficulty value after all other calculations.
-        /// May be overridden via <see cref="DifficultyMultiplier"/>.
-        /// </summary>
-        public const double DEFAULT_DIFFICULTY_MULTIPLIER = 1.06;
-
         /// <summary>
         /// The number of sections with the highest strains, which the peak strain reductions will apply to.
         /// This is done in order to decrease their impact on the overall difficulty of the map for this skill.
@@ -29,11 +23,6 @@ namespace osu.Game.Rulesets.Osu.Difficulty.Skills
         /// </summary>
         protected virtual double ReducedStrainBaseline => 0.75;
 
-        /// <summary>
-        /// The final multiplier to be applied to <see cref="DifficultyValue"/> after all other calculations.
-        /// </summary>
-        protected virtual double DifficultyMultiplier => DEFAULT_DIFFICULTY_MULTIPLIER;
-
         protected OsuStrainSkill(Mod[] mods)
             : base(mods)
         {
@@ -65,7 +54,7 @@ namespace osu.Game.Rulesets.Osu.Difficulty.Skills
                 weight *= DecayWeight;
             }
 
-            return difficulty * DifficultyMultiplier;
+            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/Difficulty/Skills/Speed.cs

@@ -16,14 +16,13 @@ namespace osu.Game.Rulesets.Osu.Difficulty.Skills
     /// </summary>
     public class Speed : OsuStrainSkill
     {
-        private double skillMultiplier => 1375;
+        private double skillMultiplier => 1.430;
         private double strainDecayBase => 0.3;
 
         private double currentStrain;
         private double currentRhythm;
 
         protected override int ReducedSectionCount => 5;
-        protected override double DifficultyMultiplier => 1.04;
 
         private readonly List<double> objectStrains = new List<double>();
 

osu.Game.Rulesets.Osu/Edit/Blueprints/HitCircles/HitCirclePlacementBlueprint.cs

@@ -9,7 +9,7 @@ using osuTK.Input;
 
 namespace osu.Game.Rulesets.Osu.Edit.Blueprints.HitCircles
 {
-    public partial class HitCirclePlacementBlueprint : PlacementBlueprint
+    public partial class HitCirclePlacementBlueprint : HitObjectPlacementBlueprint
     {
         public new HitCircle HitObject => (HitCircle)base.HitObject;
 

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

@@ -70,7 +70,7 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders
 
             if (endDragMarkerContainer != null)
             {
-                endDragMarkerContainer.Position = circle.Position;
+                endDragMarkerContainer.Position = circle.Position + slider.StackOffset;
                 endDragMarkerContainer.Scale = CirclePiece.Scale * 1.2f;
                 var diff = slider.Path.PositionAt(1) - slider.Path.PositionAt(0.99f);
                 endDragMarkerContainer.Rotation = float.RadiansToDegrees(MathF.Atan2(diff.Y, diff.X));

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

@@ -21,7 +21,7 @@ using osuTK.Input;
 
 namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders
 {
-    public partial class SliderPlacementBlueprint : PlacementBlueprint
+    public partial class SliderPlacementBlueprint : HitObjectPlacementBlueprint
     {
         public new Slider HitObject => (Slider)base.HitObject;
 

osu.Game.Rulesets.Osu/Edit/Blueprints/Spinners/SpinnerPlacementBlueprint.cs

@@ -13,7 +13,7 @@ using osuTK.Input;
 
 namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Spinners
 {
-    public partial class SpinnerPlacementBlueprint : PlacementBlueprint
+    public partial class SpinnerPlacementBlueprint : HitObjectPlacementBlueprint
     {
         public new Spinner HitObject => (Spinner)base.HitObject;
 

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

@@ -10,7 +10,7 @@ using osu.Game.Rulesets.Osu.Objects;
 
 namespace osu.Game.Rulesets.Osu.Edit
 {
-    public class HitCircleCompositionTool : HitObjectCompositionTool
+    public class HitCircleCompositionTool : CompositionTool
     {
         public HitCircleCompositionTool()
             : base(nameof(HitCircle))
@@ -19,6 +19,6 @@ namespace osu.Game.Rulesets.Osu.Edit
 
         public override Drawable CreateIcon() => new BeatmapStatisticIcon(BeatmapStatisticsIconType.Circles);
 
-        public override PlacementBlueprint CreatePlacementBlueprint() => new HitCirclePlacementBlueprint();
+        public override HitObjectPlacementBlueprint CreatePlacementBlueprint() => new HitCirclePlacementBlueprint();
     }
 }

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

@@ -41,7 +41,7 @@ namespace osu.Game.Rulesets.Osu.Edit
         protected override DrawableRuleset<OsuHitObject> CreateDrawableRuleset(Ruleset ruleset, IBeatmap beatmap, IReadOnlyList<Mod> mods)
             => new DrawableOsuEditorRuleset(ruleset, beatmap, mods);
 
-        protected override IReadOnlyList<HitObjectCompositionTool> CompositionTools => new HitObjectCompositionTool[]
+        protected override IReadOnlyList<CompositionTool> CompositionTools => new CompositionTool[]
         {
             new HitCircleCompositionTool(),
             new SliderCompositionTool(),
@@ -106,6 +106,7 @@ namespace osu.Game.Rulesets.Osu.Edit
                     {
                         RotationHandler = BlueprintContainer.SelectionHandler.RotationHandler,
                         ScaleHandler = (OsuSelectionScaleHandler)BlueprintContainer.SelectionHandler.ScaleHandler,
+                        GridToolbox = OsuGridToolboxGroup,
                     },
                     new GenerateToolboxGroup(),
                     FreehandSliderToolboxGroup
@@ -368,6 +369,8 @@ namespace osu.Game.Rulesets.Osu.Edit
                 gridSnapMomentary = shiftPressed;
                 rectangularGridSnapToggle.Value = rectangularGridSnapToggle.Value == TernaryState.False ? TernaryState.True : TernaryState.False;
             }
+
+            DistanceSnapProvider.HandleToggleViaKey(key);
         }
 
         private DistanceSnapGrid createDistanceSnapGrid(IEnumerable<HitObject> selectedHitObjects)

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

@@ -3,6 +3,7 @@
 
 using System.Collections.Generic;
 using System.Linq;
+using osu.Framework.Allocation;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Primitives;
 using osu.Framework.Graphics.UserInterface;
@@ -25,6 +26,9 @@ namespace osu.Game.Rulesets.Osu.Edit
 {
     public partial class OsuSelectionHandler : EditorSelectionHandler
     {
+        [Resolved]
+        private OsuGridToolboxGroup gridToolbox { get; set; } = null!;
+
         protected override void OnSelectionChanged()
         {
             base.OnSelectionChanged();
@@ -123,13 +127,43 @@ namespace osu.Game.Rulesets.Osu.Edit
         {
             var hitObjects = selectedMovableObjects;
 
-            var flipQuad = flipOverOrigin ? new Quad(0, 0, OsuPlayfield.BASE_SIZE.X, OsuPlayfield.BASE_SIZE.Y) : GeometryUtils.GetSurroundingQuad(hitObjects);
+            // If we're flipping over the origin, we take the grid origin position from the grid toolbox.
+            var flipQuad = flipOverOrigin ? new Quad(gridToolbox.StartPositionX.Value, gridToolbox.StartPositionY.Value, 0, 0) : GeometryUtils.GetSurroundingQuad(hitObjects);
+            Vector2 flipAxis = direction == Direction.Vertical ? Vector2.UnitY : Vector2.UnitX;
+
+            if (flipOverOrigin)
+            {
+                // If we're flipping over the origin, we take one of the axes of the grid.
+                // Take the axis closest to the direction we want to flip over.
+                switch (gridToolbox.GridType.Value)
+                {
+                    case PositionSnapGridType.Square:
+                        flipAxis = GeometryUtils.RotateVector(Vector2.UnitX, -((gridToolbox.GridLinesRotation.Value + 360 + 45) % 90 - 45));
+                        flipAxis = direction == Direction.Vertical ? flipAxis.PerpendicularLeft : flipAxis;
+                        break;
+
+                    case PositionSnapGridType.Triangle:
+                        // Hex grid has 3 axes, so you can not directly flip over one of the axes,
+                        // however it's still possible to achieve that flip by combining multiple flips over the other axes.
+                        // Angle degree range for vertical = (-120, -60]
+                        // Angle degree range for horizontal = [-30, 30)
+                        flipAxis = direction == Direction.Vertical
+                            ? GeometryUtils.RotateVector(Vector2.UnitX, -((gridToolbox.GridLinesRotation.Value + 360 + 30) % 60 + 60))
+                            : GeometryUtils.RotateVector(Vector2.UnitX, -((gridToolbox.GridLinesRotation.Value + 360) % 60 - 30));
+                        break;
+                }
+            }
+
+            var controlPointFlipQuad = new Quad();
 
             bool didFlip = false;
 
             foreach (var h in hitObjects)
             {
-                var flippedPosition = GeometryUtils.GetFlippedPosition(direction, flipQuad, h.Position);
+                var flippedPosition = GeometryUtils.GetFlippedPosition(flipAxis, flipQuad, h.Position);
+
+                // Clamp the flipped position inside the playfield bounds, because the flipped position might be outside the playfield bounds if the origin is not centered.
+                flippedPosition = Vector2.Clamp(flippedPosition, Vector2.Zero, OsuPlayfield.BASE_SIZE);
 
                 if (!Precision.AlmostEquals(flippedPosition, h.Position))
                 {
@@ -142,12 +176,7 @@ namespace osu.Game.Rulesets.Osu.Edit
                     didFlip = true;
 
                     foreach (var cp in slider.Path.ControlPoints)
-                    {
-                        cp.Position = new Vector2(
-                            (direction == Direction.Horizontal ? -1 : 1) * cp.Position.X,
-                            (direction == Direction.Vertical ? -1 : 1) * cp.Position.Y
-                        );
-                    }
+                        cp.Position = GeometryUtils.GetFlippedPosition(flipAxis, controlPointFlipQuad, cp.Position);
                 }
             }
 

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

@@ -47,7 +47,6 @@ namespace osu.Game.Rulesets.Osu.Edit
 
         private OsuHitObject[]? objectsInRotation;
 
-        private Vector2? defaultOrigin;
         private Dictionary<OsuHitObject, Vector2>? originalPositions;
         private Dictionary<IHasPath, Vector2[]>? originalPathControlPointPositions;
 
@@ -61,7 +60,7 @@ namespace osu.Game.Rulesets.Osu.Edit
             changeHandler?.BeginChange();
 
             objectsInRotation = selectedMovableObjects.ToArray();
-            defaultOrigin = GeometryUtils.GetSurroundingQuad(objectsInRotation).Centre;
+            DefaultOrigin = GeometryUtils.MinimumEnclosingCircle(objectsInRotation).Item1;
             originalPositions = objectsInRotation.ToDictionary(obj => obj, obj => obj.Position);
             originalPathControlPointPositions = objectsInRotation.OfType<IHasPath>().ToDictionary(
                 obj => obj,
@@ -73,9 +72,9 @@ namespace osu.Game.Rulesets.Osu.Edit
             if (!OperationInProgress.Value)
                 throw new InvalidOperationException($"Cannot {nameof(Update)} a rotate operation without calling {nameof(Begin)} first!");
 
-            Debug.Assert(objectsInRotation != null && originalPositions != null && originalPathControlPointPositions != null && defaultOrigin != null);
+            Debug.Assert(objectsInRotation != null && originalPositions != null && originalPathControlPointPositions != null && DefaultOrigin != null);
 
-            Vector2 actualOrigin = origin ?? defaultOrigin.Value;
+            Vector2 actualOrigin = origin ?? DefaultOrigin.Value;
 
             foreach (var ho in objectsInRotation)
             {
@@ -103,7 +102,7 @@ namespace osu.Game.Rulesets.Osu.Edit
             objectsInRotation = null;
             originalPositions = null;
             originalPathControlPointPositions = null;
-            defaultOrigin = null;
+            DefaultOrigin = null;
         }
 
         private IEnumerable<OsuHitObject> selectedMovableObjects => selectedItems.Cast<OsuHitObject>()

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

@@ -69,6 +69,7 @@ namespace osu.Game.Rulesets.Osu.Edit
 
         private Dictionary<OsuHitObject, OriginalHitObjectState>? objectsInScale;
         private Vector2? defaultOrigin;
+        private List<Vector2>? originalConvexHull;
 
         public override void Begin()
         {
@@ -83,10 +84,13 @@ namespace osu.Game.Rulesets.Osu.Edit
             OriginalSurroundingQuad = objectsInScale.Count == 1 && objectsInScale.First().Key is Slider slider
                 ? GeometryUtils.GetSurroundingQuad(slider.Path.ControlPoints.Select(p => slider.Position + p.Position))
                 : GeometryUtils.GetSurroundingQuad(objectsInScale.Keys);
-            defaultOrigin = OriginalSurroundingQuad.Value.Centre;
+            originalConvexHull = objectsInScale.Count == 1 && objectsInScale.First().Key is Slider slider2
+                ? GeometryUtils.GetConvexHull(slider2.Path.ControlPoints.Select(p => slider2.Position + p.Position))
+                : GeometryUtils.GetConvexHull(objectsInScale.Keys);
+            defaultOrigin = GeometryUtils.MinimumEnclosingCircle(originalConvexHull).Item1;
         }
 
-        public override void Update(Vector2 scale, Vector2? origin = null, Axes adjustAxis = Axes.Both)
+        public override void Update(Vector2 scale, Vector2? origin = null, Axes adjustAxis = Axes.Both, float axisRotation = 0)
         {
             if (!OperationInProgress.Value)
                 throw new InvalidOperationException($"Cannot {nameof(Update)} a scale operation without calling {nameof(Begin)} first!");
@@ -94,23 +98,22 @@ namespace osu.Game.Rulesets.Osu.Edit
             Debug.Assert(objectsInScale != null && defaultOrigin != null && OriginalSurroundingQuad != null);
 
             Vector2 actualOrigin = origin ?? defaultOrigin.Value;
+            scale = clampScaleToAdjustAxis(scale, adjustAxis);
 
             // for the time being, allow resizing of slider paths only if the slider is
             // the only hit object selected. with a group selection, it's likely the user
             // is not looking to change the duration of the slider but expand the whole pattern.
             if (objectsInScale.Count == 1 && objectsInScale.First().Key is Slider slider)
             {
-                var originalInfo = objectsInScale[slider];
-                Debug.Assert(originalInfo.PathControlPointPositions != null && originalInfo.PathControlPointTypes != null);
-                scaleSlider(slider, scale, originalInfo.PathControlPointPositions, originalInfo.PathControlPointTypes);
+                scaleSlider(slider, scale, actualOrigin, objectsInScale[slider], axisRotation);
             }
             else
             {
-                scale = ClampScaleToPlayfieldBounds(scale, actualOrigin);
+                scale = ClampScaleToPlayfieldBounds(scale, actualOrigin, adjustAxis, axisRotation);
 
                 foreach (var (ho, originalState) in objectsInScale)
                 {
-                    ho.Position = GeometryUtils.GetScaledPosition(scale, actualOrigin, originalState.Position);
+                    ho.Position = GeometryUtils.GetScaledPosition(scale, actualOrigin, originalState.Position, axisRotation);
                 }
             }
 
@@ -134,21 +137,45 @@ namespace osu.Game.Rulesets.Osu.Edit
         private IEnumerable<OsuHitObject> selectedMovableObjects => selectedItems.Cast<OsuHitObject>()
                                                                                  .Where(h => h is not Spinner);
 
-        private void scaleSlider(Slider slider, Vector2 scale, Vector2[] originalPathPositions, PathType?[] originalPathTypes)
+        private Vector2 clampScaleToAdjustAxis(Vector2 scale, Axes adjustAxis)
         {
+            switch (adjustAxis)
+            {
+                case Axes.Y:
+                    scale.X = 1;
+                    break;
+
+                case Axes.X:
+                    scale.Y = 1;
+                    break;
+
+                case Axes.None:
+                    scale = Vector2.One;
+                    break;
+            }
+
+            return scale;
+        }
+
+        private void scaleSlider(Slider slider, Vector2 scale, Vector2 origin, OriginalHitObjectState originalInfo, float axisRotation = 0)
+        {
+            Debug.Assert(originalInfo.PathControlPointPositions != null && originalInfo.PathControlPointTypes != null);
+
             scale = Vector2.ComponentMax(scale, new Vector2(Precision.FLOAT_EPSILON));
 
             // Maintain the path types in case they were defaulted to bezier at some point during scaling
             for (int i = 0; i < slider.Path.ControlPoints.Count; i++)
             {
-                slider.Path.ControlPoints[i].Position = originalPathPositions[i] * scale;
-                slider.Path.ControlPoints[i].Type = originalPathTypes[i];
+                slider.Path.ControlPoints[i].Position = GeometryUtils.GetScaledPosition(scale, Vector2.Zero, originalInfo.PathControlPointPositions[i], axisRotation);
+                slider.Path.ControlPoints[i].Type = originalInfo.PathControlPointTypes[i];
             }
 
             // Snap the slider's length to the current beat divisor
             // to calculate the final resulting duration / bounding box before the final checks.
             slider.SnapTo(snapProvider);
 
+            slider.Position = GeometryUtils.GetScaledPosition(scale, origin, originalInfo.Position, axisRotation);
+
             //if sliderhead or sliderend end up outside playfield, revert scaling.
             Quad scaledQuad = GeometryUtils.GetSurroundingQuad(new OsuHitObject[] { slider });
             (bool xInBounds, bool yInBounds) = isQuadInBounds(scaledQuad);
@@ -157,7 +184,9 @@ namespace osu.Game.Rulesets.Osu.Edit
                 return;
 
             for (int i = 0; i < slider.Path.ControlPoints.Count; i++)
-                slider.Path.ControlPoints[i].Position = originalPathPositions[i];
+                slider.Path.ControlPoints[i].Position = originalInfo.PathControlPointPositions[i];
+
+            slider.Position = originalInfo.Position;
 
             // Snap the slider's length again to undo the potentially-invalid length applied by the previous snap.
             slider.SnapTo(snapProvider);
@@ -176,11 +205,13 @@ namespace osu.Game.Rulesets.Osu.Edit
         /// </summary>
         /// <param name="origin">The origin from which the scale operation is performed</param>
         /// <param name="scale">The scale to be clamped</param>
+        /// <param name="adjustAxis">The axes to adjust the scale in.</param>
+        /// <param name="axisRotation">The rotation of the axes in degrees</param>
         /// <returns>The clamped scale vector</returns>
-        public Vector2 ClampScaleToPlayfieldBounds(Vector2 scale, Vector2? origin = null)
+        public Vector2 ClampScaleToPlayfieldBounds(Vector2 scale, Vector2? origin = null, Axes adjustAxis = Axes.Both, float axisRotation = 0)
         {
             //todo: this is not always correct for selections involving sliders. This approximation assumes each point is scaled independently, but sliderends move with the sliderhead.
-            if (objectsInScale == null)
+            if (objectsInScale == null || adjustAxis == Axes.None)
                 return scale;
 
             Debug.Assert(defaultOrigin != null && OriginalSurroundingQuad != null);
@@ -188,24 +219,60 @@ namespace osu.Game.Rulesets.Osu.Edit
             if (objectsInScale.Count == 1 && objectsInScale.First().Key is Slider slider)
                 origin = slider.Position;
 
+            float cos = MathF.Cos(float.DegreesToRadians(-axisRotation));
+            float sin = MathF.Sin(float.DegreesToRadians(-axisRotation));
+            scale = clampScaleToAdjustAxis(scale, adjustAxis);
             Vector2 actualOrigin = origin ?? defaultOrigin.Value;
+            IEnumerable<Vector2> points;
+
+            if (axisRotation == 0)
+            {
                 var selectionQuad = OriginalSurroundingQuad.Value;
+                points = new[]
+                {
+                    selectionQuad.TopLeft,
+                    selectionQuad.TopRight,
+                    selectionQuad.BottomLeft,
+                    selectionQuad.BottomRight
+                };
+            }
+            else
+                points = originalConvexHull!;
 
-            var tl1 = Vector2.Divide(-actualOrigin, selectionQuad.TopLeft - actualOrigin);
-            var tl2 = Vector2.Divide(OsuPlayfield.BASE_SIZE - actualOrigin, selectionQuad.TopLeft - actualOrigin);
-            var br1 = Vector2.Divide(-actualOrigin, selectionQuad.BottomRight - actualOrigin);
-            var br2 = Vector2.Divide(OsuPlayfield.BASE_SIZE - actualOrigin, selectionQuad.BottomRight - actualOrigin);
-
-            if (!Precision.AlmostEquals(selectionQuad.TopLeft.X - actualOrigin.X, 0))
-                scale.X = selectionQuad.TopLeft.X - actualOrigin.X < 0 ? MathHelper.Clamp(scale.X, tl2.X, tl1.X) : MathHelper.Clamp(scale.X, tl1.X, tl2.X);
-            if (!Precision.AlmostEquals(selectionQuad.TopLeft.Y - actualOrigin.Y, 0))
-                scale.Y = selectionQuad.TopLeft.Y - actualOrigin.Y < 0 ? MathHelper.Clamp(scale.Y, tl2.Y, tl1.Y) : MathHelper.Clamp(scale.Y, tl1.Y, tl2.Y);
-            if (!Precision.AlmostEquals(selectionQuad.BottomRight.X - actualOrigin.X, 0))
-                scale.X = selectionQuad.BottomRight.X - actualOrigin.X < 0 ? MathHelper.Clamp(scale.X, br2.X, br1.X) : MathHelper.Clamp(scale.X, br1.X, br2.X);
-            if (!Precision.AlmostEquals(selectionQuad.BottomRight.Y - actualOrigin.Y, 0))
-                scale.Y = selectionQuad.BottomRight.Y - actualOrigin.Y < 0 ? MathHelper.Clamp(scale.Y, br2.Y, br1.Y) : MathHelper.Clamp(scale.Y, br1.Y, br2.Y);
+            foreach (var point in points)
+            {
+                scale = clampToBound(scale, point, Vector2.Zero);
+                scale = clampToBound(scale, point, OsuPlayfield.BASE_SIZE);
+            }
 
             return Vector2.ComponentMax(scale, new Vector2(Precision.FLOAT_EPSILON));
+
+            float minPositiveComponent(Vector2 v) => MathF.Min(v.X < 0 ? float.PositiveInfinity : v.X, v.Y < 0 ? float.PositiveInfinity : v.Y);
+
+            Vector2 clampToBound(Vector2 s, Vector2 p, Vector2 bound)
+            {
+                p -= actualOrigin;
+                bound -= actualOrigin;
+                var a = new Vector2(cos * cos * p.X - sin * cos * p.Y, -sin * cos * p.X + sin * sin * p.Y);
+                var b = new Vector2(sin * sin * p.X + sin * cos * p.Y, sin * cos * p.X + cos * cos * p.Y);
+
+                switch (adjustAxis)
+                {
+                    case Axes.X:
+                        s.X = MathF.Min(scale.X, minPositiveComponent(Vector2.Divide(bound - b, a)));
+                        break;
+
+                    case Axes.Y:
+                        s.Y = MathF.Min(scale.Y, minPositiveComponent(Vector2.Divide(bound - a, b)));
+                        break;
+
+                    case Axes.Both:
+                        s = Vector2.ComponentMin(s, s * minPositiveComponent(Vector2.Divide(bound, a * s.X + b * s.Y)));
+                        break;
+                }
+
+                return s;
+            }
         }
 
         private void moveSelectionInBounds()

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

@@ -1,6 +1,7 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
+using System;
 using System.Linq;
 using osu.Framework.Allocation;
 using osu.Framework.Bindables;
@@ -19,16 +20,19 @@ namespace osu.Game.Rulesets.Osu.Edit
     {
         private readonly SelectionRotationHandler rotationHandler;
 
-        private readonly Bindable<PreciseRotationInfo> rotationInfo = new Bindable<PreciseRotationInfo>(new PreciseRotationInfo(0, RotationOrigin.PlayfieldCentre));
+        private readonly OsuGridToolboxGroup gridToolbox;
+
+        private readonly Bindable<PreciseRotationInfo> rotationInfo = new Bindable<PreciseRotationInfo>(new PreciseRotationInfo(0, RotationOrigin.GridCentre));
 
         private SliderWithTextBoxInput<float> angleInput = null!;
         private EditorRadioButtonCollection rotationOrigin = null!;
 
         private RadioButton selectionCentreButton = null!;
 
-        public PreciseRotationPopover(SelectionRotationHandler rotationHandler)
+        public PreciseRotationPopover(SelectionRotationHandler rotationHandler, OsuGridToolboxGroup gridToolbox)
         {
             this.rotationHandler = rotationHandler;
+            this.gridToolbox = gridToolbox;
 
             AllowableAnchors = new[] { Anchor.CentreLeft, Anchor.CentreRight };
         }
@@ -58,6 +62,9 @@ namespace osu.Game.Rulesets.Osu.Edit
                         RelativeSizeAxes = Axes.X,
                         Items = new[]
                         {
+                            new RadioButton("Grid centre",
+                                () => rotationInfo.Value = rotationInfo.Value with { Origin = RotationOrigin.GridCentre },
+                                () => new SpriteIcon { Icon = FontAwesome.Regular.PlusSquare }),
                             new RadioButton("Playfield centre",
                                 () => rotationInfo.Value = rotationInfo.Value with { Origin = RotationOrigin.PlayfieldCentre },
                                 () => new SpriteIcon { Icon = FontAwesome.Regular.Square }),
@@ -93,10 +100,19 @@ namespace osu.Game.Rulesets.Osu.Edit
 
             rotationInfo.BindValueChanged(rotation =>
             {
-                rotationHandler.Update(rotation.NewValue.Degrees, rotation.NewValue.Origin == RotationOrigin.PlayfieldCentre ? OsuPlayfield.BASE_SIZE / 2 : null);
+                rotationHandler.Update(rotation.NewValue.Degrees, getOriginPosition(rotation.NewValue));
             });
         }
 
+        private Vector2? getOriginPosition(PreciseRotationInfo rotation) =>
+            rotation.Origin switch
+            {
+                RotationOrigin.GridCentre => gridToolbox.StartPosition.Value,
+                RotationOrigin.PlayfieldCentre => OsuPlayfield.BASE_SIZE / 2,
+                RotationOrigin.SelectionCentre => null,
+                _ => throw new ArgumentOutOfRangeException(nameof(rotation))
+            };
+
         protected override void PopIn()
         {
             base.PopIn();
@@ -114,6 +130,7 @@ namespace osu.Game.Rulesets.Osu.Edit
 
     public enum RotationOrigin
     {
+        GridCentre,
         PlayfieldCentre,
         SelectionCentre
     }

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

@@ -10,7 +10,10 @@ using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Sprites;
 using osu.Game.Graphics.UserInterface;
 using osu.Game.Graphics.UserInterfaceV2;
+using osu.Game.Rulesets.Objects;
+using osu.Game.Rulesets.Osu.Objects;
 using osu.Game.Rulesets.Osu.UI;
+using osu.Game.Screens.Edit;
 using osu.Game.Screens.Edit.Components.RadioButtons;
 using osuTK;
 
@@ -20,28 +23,36 @@ namespace osu.Game.Rulesets.Osu.Edit
     {
         private readonly OsuSelectionScaleHandler scaleHandler;
 
-        private readonly Bindable<PreciseScaleInfo> scaleInfo = new Bindable<PreciseScaleInfo>(new PreciseScaleInfo(1, ScaleOrigin.PlayfieldCentre, true, true));
+        private readonly OsuGridToolboxGroup gridToolbox;
+
+        private readonly Bindable<PreciseScaleInfo> scaleInfo = new Bindable<PreciseScaleInfo>(new PreciseScaleInfo(1, ScaleOrigin.GridCentre, true, true));
 
         private SliderWithTextBoxInput<float> scaleInput = null!;
         private BindableNumber<float> scaleInputBindable = null!;
         private EditorRadioButtonCollection scaleOrigin = null!;
 
+        private RadioButton gridCentreButton = null!;
         private RadioButton playfieldCentreButton = null!;
         private RadioButton selectionCentreButton = null!;
 
         private OsuCheckbox xCheckBox = null!;
         private OsuCheckbox yCheckBox = null!;
 
-        public PreciseScalePopover(OsuSelectionScaleHandler scaleHandler)
+        private BindableList<HitObject> selectedItems { get; } = new BindableList<HitObject>();
+
+        public PreciseScalePopover(OsuSelectionScaleHandler scaleHandler, OsuGridToolboxGroup gridToolbox)
         {
             this.scaleHandler = scaleHandler;
+            this.gridToolbox = gridToolbox;
 
             AllowableAnchors = new[] { Anchor.CentreLeft, Anchor.CentreRight };
         }
 
         [BackgroundDependencyLoader]
-        private void load()
+        private void load(EditorBeatmap editorBeatmap)
         {
+            selectedItems.BindTo(editorBeatmap.SelectedHitObjects);
+
             Child = new FillFlowContainer
             {
                 Width = 220,
@@ -66,6 +77,9 @@ namespace osu.Game.Rulesets.Osu.Edit
                         RelativeSizeAxes = Axes.X,
                         Items = new[]
                         {
+                            gridCentreButton = new RadioButton("Grid centre",
+                                () => setOrigin(ScaleOrigin.GridCentre),
+                                () => new SpriteIcon { Icon = FontAwesome.Regular.PlusSquare }),
                             playfieldCentreButton = new RadioButton("Playfield centre",
                                 () => setOrigin(ScaleOrigin.PlayfieldCentre),
                                 () => new SpriteIcon { Icon = FontAwesome.Regular.Square }),
@@ -97,6 +111,10 @@ namespace osu.Game.Rulesets.Osu.Edit
                     },
                 }
             };
+            gridCentreButton.Selected.DisabledChanged += isDisabled =>
+            {
+                gridCentreButton.TooltipText = isDisabled ? "The current selection cannot be scaled relative to grid centre." : string.Empty;
+            };
             playfieldCentreButton.Selected.DisabledChanged += isDisabled =>
             {
                 playfieldCentreButton.TooltipText = isDisabled ? "The current selection cannot be scaled relative to playfield centre." : string.Empty;
@@ -123,19 +141,20 @@ namespace osu.Game.Rulesets.Osu.Edit
 
             selectionCentreButton.Selected.Disabled = !(scaleHandler.CanScaleX.Value || scaleHandler.CanScaleY.Value);
             playfieldCentreButton.Selected.Disabled = scaleHandler.IsScalingSlider.Value && !selectionCentreButton.Selected.Disabled;
+            gridCentreButton.Selected.Disabled = playfieldCentreButton.Selected.Disabled;
 
             scaleOrigin.Items.First(b => !b.Selected.Disabled).Select();
 
             scaleInfo.BindValueChanged(scale =>
             {
-                var newScale = new Vector2(scale.NewValue.XAxis ? scale.NewValue.Scale : 1, scale.NewValue.YAxis ? scale.NewValue.Scale : 1);
-                scaleHandler.Update(newScale, getOriginPosition(scale.NewValue));
+                var newScale = new Vector2(scale.NewValue.Scale, scale.NewValue.Scale);
+                scaleHandler.Update(newScale, getOriginPosition(scale.NewValue), getAdjustAxis(scale.NewValue), getRotation(scale.NewValue));
             });
         }
 
         private void updateAxisCheckBoxesEnabled()
         {
-            if (scaleInfo.Value.Origin == ScaleOrigin.PlayfieldCentre)
+            if (scaleInfo.Value.Origin != ScaleOrigin.SelectionCentre)
             {
                 toggleAxisAvailable(xCheckBox.Current, true);
                 toggleAxisAvailable(yCheckBox.Current, true);
@@ -162,7 +181,7 @@ namespace osu.Game.Rulesets.Osu.Edit
                 return;
 
             const float max_scale = 10;
-            var scale = scaleHandler.ClampScaleToPlayfieldBounds(new Vector2(max_scale), getOriginPosition(scaleInfo.Value));
+            var scale = scaleHandler.ClampScaleToPlayfieldBounds(new Vector2(max_scale), getOriginPosition(scaleInfo.Value), getAdjustAxis(scaleInfo.Value), getRotation(scaleInfo.Value));
 
             if (!scaleInfo.Value.XAxis)
                 scale.X = max_scale;
@@ -179,7 +198,30 @@ namespace osu.Game.Rulesets.Osu.Edit
             updateAxisCheckBoxesEnabled();
         }
 
-        private Vector2? getOriginPosition(PreciseScaleInfo scale) => scale.Origin == ScaleOrigin.PlayfieldCentre ? OsuPlayfield.BASE_SIZE / 2 : null;
+        private Vector2? getOriginPosition(PreciseScaleInfo scale)
+        {
+            switch (scale.Origin)
+            {
+                case ScaleOrigin.GridCentre:
+                    return gridToolbox.StartPosition.Value;
+
+                case ScaleOrigin.PlayfieldCentre:
+                    return OsuPlayfield.BASE_SIZE / 2;
+
+                case ScaleOrigin.SelectionCentre:
+                    if (selectedItems.Count == 1 && selectedItems.First() is Slider slider)
+                        return slider.Position;
+
+                    return null;
+
+                default:
+                    throw new ArgumentOutOfRangeException(nameof(scale));
+            }
+        }
+
+        private Axes getAdjustAxis(PreciseScaleInfo scale) => scale.XAxis ? scale.YAxis ? Axes.Both : Axes.X : Axes.Y;
+
+        private float getRotation(PreciseScaleInfo scale) => scale.Origin == ScaleOrigin.GridCentre ? gridToolbox.GridLinesRotation.Value : 0;
 
         private void setAxis(bool x, bool y)
         {
@@ -204,6 +246,7 @@ namespace osu.Game.Rulesets.Osu.Edit
 
     public enum ScaleOrigin
     {
+        GridCentre,
         PlayfieldCentre,
         SelectionCentre
     }

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

@@ -10,7 +10,7 @@ using osu.Game.Rulesets.Osu.Objects;
 
 namespace osu.Game.Rulesets.Osu.Edit
 {
-    public class SliderCompositionTool : HitObjectCompositionTool
+    public class SliderCompositionTool : CompositionTool
     {
         public SliderCompositionTool()
             : base(nameof(Slider))
@@ -26,6 +26,6 @@ namespace osu.Game.Rulesets.Osu.Edit
 
         public override Drawable CreateIcon() => new BeatmapStatisticIcon(BeatmapStatisticsIconType.Sliders);
 
-        public override PlacementBlueprint CreatePlacementBlueprint() => new SliderPlacementBlueprint();
+        public override HitObjectPlacementBlueprint CreatePlacementBlueprint() => new SliderPlacementBlueprint();
     }
 }

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

@@ -10,7 +10,7 @@ using osu.Game.Rulesets.Osu.Objects;
 
 namespace osu.Game.Rulesets.Osu.Edit
 {
-    public class SpinnerCompositionTool : HitObjectCompositionTool
+    public class SpinnerCompositionTool : CompositionTool
     {
         public SpinnerCompositionTool()
             : base(nameof(Spinner))
@@ -19,6 +19,6 @@ namespace osu.Game.Rulesets.Osu.Edit
 
         public override Drawable CreateIcon() => new BeatmapStatisticIcon(BeatmapStatisticsIconType.Spinners);
 
-        public override PlacementBlueprint CreatePlacementBlueprint() => new SpinnerPlacementBlueprint();
+        public override HitObjectPlacementBlueprint CreatePlacementBlueprint() => new SpinnerPlacementBlueprint();
     }
 }

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

@@ -27,6 +27,8 @@ namespace osu.Game.Rulesets.Osu.Edit
         public SelectionRotationHandler RotationHandler { get; init; } = null!;
         public OsuSelectionScaleHandler ScaleHandler { get; init; } = null!;
 
+        public OsuGridToolboxGroup GridToolbox { get; init; } = null!;
+
         public TransformToolboxGroup()
             : base("transform")
         {
@@ -44,10 +46,10 @@ namespace osu.Game.Rulesets.Osu.Edit
                 {
                     rotateButton = new EditorToolButton("Rotate",
                         () => new SpriteIcon { Icon = FontAwesome.Solid.Undo },
-                        () => new PreciseRotationPopover(RotationHandler)),
+                        () => new PreciseRotationPopover(RotationHandler, GridToolbox)),
                     scaleButton = new EditorToolButton("Scale",
                         () => new SpriteIcon { Icon = FontAwesome.Solid.ArrowsAlt },
-                        () => new PreciseScalePopover(ScaleHandler))
+                        () => new PreciseScalePopover(ScaleHandler, GridToolbox))
                 }
             };
         }

osu.Game.Rulesets.Osu/Objects/Drawables/DrawableOsuHitObject.cs

@@ -91,19 +91,34 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
                     drawableObjectPiece.ApplyCustomUpdateState -= applyDimToDrawableHitObject;
                     drawableObjectPiece.ApplyCustomUpdateState += applyDimToDrawableHitObject;
                 }
-                else
+
+                // but at the end apply the transforms now regardless of whether this is a DHO or not.
+                // the above is just to ensure they don't get overwritten later.
                 applyDim(piece);
             }
+        }
 
-            void applyDim(Drawable piece)
+        protected override void ClearNestedHitObjects()
+        {
+            base.ClearNestedHitObjects();
+
+            // any dimmable pieces that are DHOs will be pooled separately.
+            // `applyDimToDrawableHitObject` is a closure that implicitly captures `this`,
+            // and because of separate pooling of parent and child objects, there is no guarantee that the pieces will be associated with `this` again on re-use.
+            // therefore, clean up the subscription here to avoid crosstalk.
+            // not doing so can result in the callback attempting to read things from `this` when it is in a completely bogus state (not in use or similar).
+            foreach (var piece in DimmablePieces.OfType<DrawableHitObject>())
+                piece.ApplyCustomUpdateState -= applyDimToDrawableHitObject;
+        }
+
+        private void applyDim(Drawable piece)
         {
             piece.FadeColour(new Color4(195, 195, 195, 255));
             using (piece.BeginDelayedSequence(InitialLifetimeOffset - OsuHitWindows.MISS_WINDOW))
                 piece.FadeColour(Color4.White, 100);
         }
 
-            void applyDimToDrawableHitObject(DrawableHitObject dho, ArmedState _) => applyDim(dho);
-        }
+        private void applyDimToDrawableHitObject(DrawableHitObject dho, ArmedState _) => applyDim(dho);
 
         protected sealed override double InitialLifetimeOffset => HitObject.TimePreempt;
 

osu.Game.Rulesets.Osu/UI/DrawableOsuRuleset.cs

@@ -1,11 +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.
 
-#nullable disable
-
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using osu.Framework.Allocation;
+using osu.Framework.Bindables;
+using osu.Framework.Graphics;
 using osu.Framework.Input;
 using osu.Game.Beatmaps;
 using osu.Game.Input.Handlers;
@@ -25,18 +26,38 @@ namespace osu.Game.Rulesets.Osu.UI
 {
     public partial class DrawableOsuRuleset : DrawableRuleset<OsuHitObject>
     {
-        protected new OsuRulesetConfigManager Config => (OsuRulesetConfigManager)base.Config;
+        private Bindable<bool>? cursorHideEnabled;
 
         public new OsuInputManager KeyBindingInputManager => (OsuInputManager)base.KeyBindingInputManager;
 
         public new OsuPlayfield Playfield => (OsuPlayfield)base.Playfield;
 
-        public DrawableOsuRuleset(Ruleset ruleset, IBeatmap beatmap, IReadOnlyList<Mod> mods = null)
+        protected new OsuRulesetConfigManager Config => (OsuRulesetConfigManager)base.Config;
+
+        public DrawableOsuRuleset(Ruleset ruleset, IBeatmap beatmap, IReadOnlyList<Mod>? mods = null)
             : base(ruleset, beatmap, mods)
         {
         }
 
-        public override DrawableHitObject<OsuHitObject> CreateDrawableRepresentation(OsuHitObject h) => null;
+        [BackgroundDependencyLoader]
+        private void load(ReplayPlayer? replayPlayer)
+        {
+            if (replayPlayer != null)
+            {
+                ReplayAnalysisOverlay analysisOverlay;
+                PlayfieldAdjustmentContainer.Add(analysisOverlay = new ReplayAnalysisOverlay(replayPlayer.Score.Replay));
+                Overlays.Add(analysisOverlay.CreateProxy().With(p => p.Depth = float.NegativeInfinity));
+                replayPlayer.AddSettings(new ReplayAnalysisSettings(Config));
+
+                cursorHideEnabled = Config.GetBindable<bool>(OsuRulesetSetting.ReplayCursorHideEnabled);
+
+                // I have little faith in this working (other things touch cursor visibility) but haven't broken it yet.
+                // Let's wait for someone to report an issue before spending too much time on it.
+                cursorHideEnabled.BindValueChanged(enabled => Playfield.Cursor.FadeTo(enabled.NewValue ? 0 : 1), true);
+            }
+        }
+
+        public override DrawableHitObject<OsuHitObject>? CreateDrawableRepresentation(OsuHitObject h) => null;
 
         public override bool ReceivePositionalInputAt(Vector2 screenSpacePos) => true; // always show the gameplay cursor
 

osu.Game.Rulesets.Osu/UI/ReplayAnalysis/AnalysisFrameEntry.cs

@@ -0,0 +1,23 @@
+// 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.Performance;
+using osuTK;
+
+namespace osu.Game.Rulesets.Osu.UI.ReplayAnalysis
+{
+    public partial class AnalysisFrameEntry : LifetimeEntry
+    {
+        public OsuAction[] Action { get; }
+
+        public Vector2 Position { get; }
+
+        public AnalysisFrameEntry(double time, double displayLength, Vector2 position, params OsuAction[] action)
+        {
+            LifetimeStart = time;
+            LifetimeEnd = time + displayLength;
+            Position = position;
+            Action = action;
+        }
+    }
+}

osu.Game.Rulesets.Osu/UI/ReplayAnalysis/AnalysisMarker.cs

@@ -0,0 +1,28 @@
+// 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.Game.Graphics;
+using osu.Game.Rulesets.Objects.Pooling;
+
+namespace osu.Game.Rulesets.Osu.UI.ReplayAnalysis
+{
+    public abstract partial class AnalysisMarker : PoolableDrawableWithLifetime<AnalysisFrameEntry>
+    {
+        [Resolved]
+        protected OsuColour Colours { get; private set; } = null!;
+
+        [BackgroundDependencyLoader]
+        private void load()
+        {
+            Origin = Anchor.Centre;
+        }
+
+        protected override void OnApply(AnalysisFrameEntry entry)
+        {
+            Position = entry.Position;
+            Depth = -(float)entry.LifetimeEnd;
+        }
+    }
+}

osu.Game.Rulesets.Osu/UI/ReplayAnalysis/ClickMarker.cs

@@ -0,0 +1,88 @@
+// 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.Framework.Allocation;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Shapes;
+using osu.Framework.Graphics.UserInterface;
+using osuTK;
+using osuTK.Graphics;
+
+namespace osu.Game.Rulesets.Osu.UI.ReplayAnalysis
+{
+    /// <summary>
+    /// A marker which shows one click, with visuals focusing on the button which was clicked and the precise location of the click.
+    /// </summary>
+    public partial class ClickMarker : AnalysisMarker
+    {
+        private CircularProgress leftClickDisplay = null!;
+        private CircularProgress rightClickDisplay = null!;
+
+        [BackgroundDependencyLoader]
+        private void load()
+        {
+            InternalChildren = new Drawable[]
+            {
+                new Circle
+                {
+                    Anchor = Anchor.Centre,
+                    Origin = Anchor.Centre,
+                    Size = new Vector2(0.125f),
+                    RelativeSizeAxes = Axes.Both,
+                    Blending = BlendingParameters.Additive,
+                    Colour = Colours.Gray5,
+                },
+                new CircularContainer
+                {
+                    Anchor = Anchor.Centre,
+                    Origin = Anchor.Centre,
+                    RelativeSizeAxes = Axes.Both,
+                    Colour = Colours.Gray5,
+                    Masking = true,
+                    BorderThickness = 2.2f,
+                    BorderColour = Color4.White,
+                    Child = new Box
+                    {
+                        Colour = Color4.Black,
+                        RelativeSizeAxes = Axes.Both,
+                        AlwaysPresent = true,
+                        Alpha = 0,
+                    },
+                },
+                leftClickDisplay = new CircularProgress
+                {
+                    Colour = Colours.Yellow,
+                    Size = new Vector2(0.95f),
+                    Anchor = Anchor.CentreLeft,
+                    Origin = Anchor.CentreRight,
+                    Rotation = 180,
+                    Progress = 0.5f,
+                    InnerRadius = 0.18f,
+                    RelativeSizeAxes = Axes.Both,
+                },
+                rightClickDisplay = new CircularProgress
+                {
+                    Colour = Colours.Yellow,
+                    Size = new Vector2(0.95f),
+                    Anchor = Anchor.CentreRight,
+                    Origin = Anchor.CentreRight,
+                    Progress = 0.5f,
+                    InnerRadius = 0.18f,
+                    RelativeSizeAxes = Axes.Both,
+                },
+            };
+
+            Size = new Vector2(16);
+        }
+
+        protected override void OnApply(AnalysisFrameEntry entry)
+        {
+            base.OnApply(entry);
+
+            leftClickDisplay.Alpha = entry.Action.Contains(OsuAction.LeftButton) ? 1 : 0;
+            rightClickDisplay.Alpha = entry.Action.Contains(OsuAction.RightButton) ? 1 : 0;
+        }
+    }
+}

osu.Game.Rulesets.Osu/UI/ReplayAnalysis/ClickMarkerContainer.cs

@@ -0,0 +1,20 @@
+// 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.Pooling;
+using osu.Game.Rulesets.Objects.Pooling;
+
+namespace osu.Game.Rulesets.Osu.UI.ReplayAnalysis
+{
+    public partial class ClickMarkerContainer : PooledDrawableWithLifetimeContainer<AnalysisFrameEntry, AnalysisMarker>
+    {
+        private readonly DrawablePool<ClickMarker> clickMarkerPool;
+
+        public ClickMarkerContainer()
+        {
+            AddInternal(clickMarkerPool = new DrawablePool<ClickMarker>(30));
+        }
+
+        protected override AnalysisMarker GetDrawable(AnalysisFrameEntry entry) => clickMarkerPool.Get(d => d.Apply(entry));
+    }
+}

osu.Game.Rulesets.Osu/UI/ReplayAnalysis/CursorPathContainer.cs

@@ -0,0 +1,86 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System;
+using System.Collections.Generic;
+using osu.Framework.Allocation;
+using osu.Framework.Extensions.Color4Extensions;
+using osu.Framework.Graphics.Lines;
+using osu.Framework.Graphics.Performance;
+using osu.Game.Graphics;
+using osuTK;
+
+namespace osu.Game.Rulesets.Osu.UI.ReplayAnalysis
+{
+    public partial class CursorPathContainer : Path
+    {
+        private readonly LifetimeEntryManager lifetimeManager = new LifetimeEntryManager();
+        private readonly SortedSet<AnalysisFrameEntry> aliveEntries = new SortedSet<AnalysisFrameEntry>(new AimLinePointComparator());
+
+        public CursorPathContainer()
+        {
+            lifetimeManager.EntryBecameAlive += entryBecameAlive;
+            lifetimeManager.EntryBecameDead += entryBecameDead;
+
+            PathRadius = 0.5f;
+        }
+
+        [BackgroundDependencyLoader]
+        private void load(OsuColour colours)
+        {
+            Colour = colours.Pink2;
+            BackgroundColour = colours.Pink2.Opacity(0);
+        }
+
+        protected override void Update()
+        {
+            base.Update();
+
+            lifetimeManager.Update(Time.Current);
+        }
+
+        public void Add(AnalysisFrameEntry entry) => lifetimeManager.AddEntry(entry);
+
+        private void entryBecameAlive(LifetimeEntry entry)
+        {
+            aliveEntries.Add((AnalysisFrameEntry)entry);
+            updateVertices();
+        }
+
+        private void entryBecameDead(LifetimeEntry entry)
+        {
+            aliveEntries.Remove((AnalysisFrameEntry)entry);
+            updateVertices();
+        }
+
+        private void updateVertices()
+        {
+            ClearVertices();
+
+            Vector2 min = Vector2.Zero;
+
+            foreach (var entry in aliveEntries)
+            {
+                AddVertex(entry.Position);
+                if (entry.Position.X < min.X)
+                    min.X = entry.Position.X;
+
+                if (entry.Position.Y < min.Y)
+                    min.Y = entry.Position.Y;
+            }
+
+            Position = min;
+        }
+
+        private sealed class AimLinePointComparator : IComparer<AnalysisFrameEntry>
+        {
+            public int Compare(AnalysisFrameEntry? x, AnalysisFrameEntry? y)
+            {
+                ArgumentNullException.ThrowIfNull(x);
+                ArgumentNullException.ThrowIfNull(y);
+
+                return x.LifetimeStart.CompareTo(y.LifetimeStart);
+            }
+        }
+    }
+}

osu.Game.Rulesets.Osu/UI/ReplayAnalysis/FrameMarker.cs

@@ -0,0 +1,69 @@
+// 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.Framework.Allocation;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Shapes;
+using osu.Framework.Graphics.UserInterface;
+using osuTK;
+
+namespace osu.Game.Rulesets.Osu.UI.ReplayAnalysis
+{
+    /// <summary>
+    /// A marker which shows one movement frame, include any buttons which are pressed.
+    /// </summary>
+    public partial class FrameMarker : AnalysisMarker
+    {
+        private CircularProgress leftClickDisplay = null!;
+        private CircularProgress rightClickDisplay = null!;
+        private Circle mainCircle = null!;
+
+        [BackgroundDependencyLoader]
+        private void load()
+        {
+            InternalChildren = new Drawable[]
+            {
+                mainCircle = new Circle
+                {
+                    Anchor = Anchor.Centre,
+                    Origin = Anchor.Centre,
+                    RelativeSizeAxes = Axes.Both,
+                    Colour = Colours.Pink2,
+                },
+                leftClickDisplay = new CircularProgress
+                {
+                    Colour = Colours.Yellow,
+                    Size = new Vector2(0.8f),
+                    Anchor = Anchor.CentreLeft,
+                    Origin = Anchor.CentreRight,
+                    Rotation = 180,
+                    Progress = 0.5f,
+                    InnerRadius = 0.5f,
+                    RelativeSizeAxes = Axes.Both,
+                },
+                rightClickDisplay = new CircularProgress
+                {
+                    Colour = Colours.Yellow,
+                    Size = new Vector2(0.8f),
+                    Anchor = Anchor.CentreRight,
+                    Origin = Anchor.CentreRight,
+                    Progress = 0.5f,
+                    InnerRadius = 0.5f,
+                    RelativeSizeAxes = Axes.Both,
+                },
+            };
+        }
+
+        protected override void OnApply(AnalysisFrameEntry entry)
+        {
+            base.OnApply(entry);
+            Size = new Vector2(entry.Action.Any() ? 4 : 2.5f);
+
+            mainCircle.Colour = entry.Action.Any() ? Colours.Gray4 : Colours.Pink2;
+
+            leftClickDisplay.Alpha = entry.Action.Contains(OsuAction.LeftButton) ? 1 : 0;
+            rightClickDisplay.Alpha = entry.Action.Contains(OsuAction.RightButton) ? 1 : 0;
+        }
+    }
+}

osu.Game.Rulesets.Osu/UI/ReplayAnalysis/FrameMarkerContainer.cs

@@ -0,0 +1,20 @@
+// 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.Pooling;
+using osu.Game.Rulesets.Objects.Pooling;
+
+namespace osu.Game.Rulesets.Osu.UI.ReplayAnalysis
+{
+    public partial class FrameMarkerContainer : PooledDrawableWithLifetimeContainer<AnalysisFrameEntry, AnalysisMarker>
+    {
+        private readonly DrawablePool<FrameMarker> pool;
+
+        public FrameMarkerContainer()
+        {
+            AddInternal(pool = new DrawablePool<FrameMarker>(80));
+        }
+
+        protected override AnalysisMarker GetDrawable(AnalysisFrameEntry entry) => pool.Get(d => d.Apply(entry));
+    }
+}

osu.Game.Rulesets.Osu/UI/ReplayAnalysisOverlay.cs

@@ -0,0 +1,128 @@
+// 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.Threading;
+using osu.Framework.Allocation;
+using osu.Framework.Bindables;
+using osu.Framework.Caching;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Game.Replays;
+using osu.Game.Rulesets.Osu.Configuration;
+using osu.Game.Rulesets.Osu.Replays;
+using osu.Game.Rulesets.Osu.UI.ReplayAnalysis;
+
+namespace osu.Game.Rulesets.Osu.UI
+{
+    public partial class ReplayAnalysisOverlay : CompositeDrawable
+    {
+        private BindableBool showClickMarkers { get; } = new BindableBool();
+        private BindableBool showFrameMarkers { get; } = new BindableBool();
+        private BindableBool showCursorPath { get; } = new BindableBool();
+        private BindableInt displayLength { get; } = new BindableInt();
+
+        protected ClickMarkerContainer? ClickMarkers;
+        protected FrameMarkerContainer? FrameMarkers;
+        protected CursorPathContainer? CursorPath;
+
+        private readonly Replay replay;
+
+        public ReplayAnalysisOverlay(Replay replay)
+        {
+            RelativeSizeAxes = Axes.Both;
+
+            this.replay = replay;
+        }
+
+        private bool requireDisplay => showClickMarkers.Value || showFrameMarkers.Value || showCursorPath.Value;
+
+        [BackgroundDependencyLoader]
+        private void load(OsuRulesetConfigManager config)
+        {
+            config.BindWith(OsuRulesetSetting.ReplayClickMarkersEnabled, showClickMarkers);
+            config.BindWith(OsuRulesetSetting.ReplayFrameMarkersEnabled, showFrameMarkers);
+            config.BindWith(OsuRulesetSetting.ReplayCursorPathEnabled, showCursorPath);
+            config.BindWith(OsuRulesetSetting.ReplayAnalysisDisplayLength, displayLength);
+        }
+
+        protected override void LoadComplete()
+        {
+            base.LoadComplete();
+
+            displayLength.BindValueChanged(_ =>
+            {
+                // Need to fully reload to make this work.
+                loaded.Invalidate();
+            }, true);
+        }
+
+        private readonly Cached loaded = new Cached();
+
+        private CancellationTokenSource? generationCancellationSource;
+
+        protected override void Update()
+        {
+            base.Update();
+
+            if (requireDisplay)
+                initialise();
+
+            if (ClickMarkers != null) ClickMarkers.Alpha = showClickMarkers.Value ? 1 : 0;
+            if (FrameMarkers != null) FrameMarkers.Alpha = showFrameMarkers.Value ? 1 : 0;
+            if (CursorPath != null) CursorPath.Alpha = showCursorPath.Value ? 1 : 0;
+        }
+
+        private void initialise()
+        {
+            if (loaded.IsValid)
+                return;
+
+            loaded.Validate();
+
+            generationCancellationSource?.Cancel();
+            generationCancellationSource = new CancellationTokenSource();
+
+            // It's faster to reinitialise the whole drawable stack than use `Clear` on `PooledDrawableWithLifetimeContainer`
+            var newDrawables = new Drawable[]
+            {
+                CursorPath = new CursorPathContainer(),
+                ClickMarkers = new ClickMarkerContainer(),
+                FrameMarkers = new FrameMarkerContainer(),
+            };
+
+            bool leftHeld = false;
+            bool rightHeld = false;
+
+            // This should probably be async as well, but it's a bit of a pain to debounce and everything.
+            // Let's address concerns when they are raised.
+            foreach (var frame in replay.Frames)
+            {
+                var osuFrame = (OsuReplayFrame)frame;
+
+                bool leftButton = osuFrame.Actions.Contains(OsuAction.LeftButton);
+                bool rightButton = osuFrame.Actions.Contains(OsuAction.RightButton);
+
+                if (leftHeld && !leftButton)
+                    leftHeld = false;
+                else if (!leftHeld && leftButton)
+                {
+                    leftHeld = true;
+                    ClickMarkers.Add(new AnalysisFrameEntry(osuFrame.Time, displayLength.Value, osuFrame.Position, OsuAction.LeftButton));
+                }
+
+                if (rightHeld && !rightButton)
+                    rightHeld = false;
+                else if (!rightHeld && rightButton)
+                {
+                    rightHeld = true;
+                    ClickMarkers.Add(new AnalysisFrameEntry(osuFrame.Time, displayLength.Value, osuFrame.Position, OsuAction.RightButton));
+                }
+
+                FrameMarkers.Add(new AnalysisFrameEntry(osuFrame.Time, displayLength.Value, osuFrame.Position, osuFrame.Actions.ToArray()));
+                CursorPath.Add(new AnalysisFrameEntry(osuFrame.Time, displayLength.Value, osuFrame.Position));
+            }
+
+            LoadComponentsAsync(newDrawables, drawables => InternalChildrenEnumerable = drawables, generationCancellationSource.Token);
+        }
+    }
+}

osu.Game.Rulesets.Osu/UI/ReplayAnalysisSettings.cs

@@ -0,0 +1,55 @@
+// 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.Bindables;
+using osu.Game.Configuration;
+using osu.Game.Rulesets.Osu.Configuration;
+using osu.Game.Screens.Play.PlayerSettings;
+
+namespace osu.Game.Rulesets.Osu.UI
+{
+    public partial class ReplayAnalysisSettings : PlayerSettingsGroup
+    {
+        private readonly OsuRulesetConfigManager config;
+
+        [SettingSource("Show click markers", SettingControlType = typeof(PlayerCheckbox))]
+        public BindableBool ShowClickMarkers { get; } = new BindableBool();
+
+        [SettingSource("Show frame markers", SettingControlType = typeof(PlayerCheckbox))]
+        public BindableBool ShowAimMarkers { get; } = new BindableBool();
+
+        [SettingSource("Show cursor path", SettingControlType = typeof(PlayerCheckbox))]
+        public BindableBool ShowCursorPath { get; } = new BindableBool();
+
+        [SettingSource("Hide gameplay cursor", SettingControlType = typeof(PlayerCheckbox))]
+        public BindableBool HideSkinCursor { get; } = new BindableBool();
+
+        [SettingSource("Display length", SettingControlType = typeof(PlayerSliderBar<int>))]
+        public BindableInt DisplayLength { get; } = new BindableInt
+        {
+            MinValue = 200,
+            MaxValue = 2000,
+            Default = 800,
+            Precision = 200,
+        };
+
+        public ReplayAnalysisSettings(OsuRulesetConfigManager config)
+            : base("Analysis Settings")
+        {
+            this.config = config;
+        }
+
+        [BackgroundDependencyLoader]
+        private void load()
+        {
+            AddRange(this.CreateSettingsControls());
+
+            config.BindWith(OsuRulesetSetting.ReplayClickMarkersEnabled, ShowClickMarkers);
+            config.BindWith(OsuRulesetSetting.ReplayFrameMarkersEnabled, ShowAimMarkers);
+            config.BindWith(OsuRulesetSetting.ReplayCursorPathEnabled, ShowCursorPath);
+            config.BindWith(OsuRulesetSetting.ReplayCursorHideEnabled, HideSkinCursor);
+            config.BindWith(OsuRulesetSetting.ReplayAnalysisDisplayLength, DisplayLength);
+        }
+    }
+}

osu.Game.Rulesets.Taiko.Tests/VolumeAwareHitSampleInfoTest.cs

@@ -0,0 +1,27 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using NUnit.Framework;
+using osu.Game.Audio;
+using osu.Game.Rulesets.Taiko.Skinning.Argon;
+
+namespace osu.Game.Rulesets.Taiko.Tests
+{
+    [TestFixture]
+    public class VolumeAwareHitSampleInfoTest
+    {
+        [Test]
+        public void TestVolumeAwareHitSampleInfoIsNotEqualToItsUnderlyingSample(
+            [Values(HitSampleInfo.HIT_NORMAL, HitSampleInfo.HIT_CLAP)]
+            string sample,
+            [Values(HitSampleInfo.BANK_NORMAL, HitSampleInfo.BANK_SOFT)]
+            string bank,
+            [Values(30, 70, 100)] int volume)
+        {
+            var underlyingSample = new HitSampleInfo(sample, bank, volume: volume);
+            var volumeAwareSample = new VolumeAwareHitSampleInfo(underlyingSample);
+
+            Assert.That(underlyingSample, Is.Not.EqualTo(volumeAwareSample));
+        }
+    }
+}

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

@@ -14,19 +14,16 @@ using osu.Game.Rulesets.Taiko.Difficulty.Preprocessing;
 using osu.Game.Rulesets.Taiko.Difficulty.Preprocessing.Colour;
 using osu.Game.Rulesets.Taiko.Difficulty.Skills;
 using osu.Game.Rulesets.Taiko.Mods;
-using osu.Game.Rulesets.Taiko.Objects;
 using osu.Game.Rulesets.Taiko.Scoring;
 
 namespace osu.Game.Rulesets.Taiko.Difficulty
 {
     public class TaikoDifficultyCalculator : DifficultyCalculator
     {
-        private const double difficulty_multiplier = 1.35;
-
-        private const double final_multiplier = 0.0625;
-        private const double rhythm_skill_multiplier = 0.2 * final_multiplier;
-        private const double colour_skill_multiplier = 0.375 * final_multiplier;
-        private const double stamina_skill_multiplier = 0.375 * final_multiplier;
+        private const double difficulty_multiplier = 0.084375;
+        private const double rhythm_skill_multiplier = 0.2 * difficulty_multiplier;
+        private const double colour_skill_multiplier = 0.375 * difficulty_multiplier;
+        private const double stamina_skill_multiplier = 0.375 * difficulty_multiplier;
 
         public override int Version => 20221107;
 
@@ -83,11 +80,11 @@ namespace osu.Game.Rulesets.Taiko.Difficulty
             Rhythm rhythm = (Rhythm)skills.First(x => x is Rhythm);
             Stamina stamina = (Stamina)skills.First(x => x is Stamina);
 
-            double colourRating = colour.DifficultyValue() * colour_skill_multiplier * difficulty_multiplier;
-            double rhythmRating = rhythm.DifficultyValue() * rhythm_skill_multiplier * difficulty_multiplier;
-            double staminaRating = stamina.DifficultyValue() * stamina_skill_multiplier * difficulty_multiplier;
+            double colourRating = colour.DifficultyValue() * colour_skill_multiplier;
+            double rhythmRating = rhythm.DifficultyValue() * rhythm_skill_multiplier;
+            double staminaRating = stamina.DifficultyValue() * stamina_skill_multiplier;
 
-            double combinedRating = combinedDifficultyValue(rhythm, colour, stamina) * difficulty_multiplier;
+            double combinedRating = combinedDifficultyValue(rhythm, colour, stamina);
             double starRating = rescale(combinedRating * 1.4);
 
             HitWindows hitWindows = new TaikoHitWindows();
@@ -102,7 +99,7 @@ namespace osu.Game.Rulesets.Taiko.Difficulty
                 ColourDifficulty = colourRating,
                 PeakDifficulty = combinedRating,
                 GreatHitWindow = hitWindows.WindowFor(HitResult.Great) / clockRate,
-                MaxCombo = beatmap.HitObjects.Count(h => h is Hit),
+                MaxCombo = beatmap.GetMaxCombo(),
             };
 
             return attributes;

osu.Game.Rulesets.Taiko/Edit/Blueprints/HitPlacementBlueprint.cs

@@ -10,7 +10,7 @@ using osuTK.Input;
 
 namespace osu.Game.Rulesets.Taiko.Edit.Blueprints
 {
-    public partial class HitPlacementBlueprint : PlacementBlueprint
+    public partial class HitPlacementBlueprint : HitObjectPlacementBlueprint
     {
         private readonly HitPiece piece;
 

osu.Game.Rulesets.Taiko/Edit/Blueprints/TaikoSpanPlacementBlueprint.cs

@@ -17,7 +17,7 @@ using osuTK.Input;
 
 namespace osu.Game.Rulesets.Taiko.Edit.Blueprints
 {
-    public partial class TaikoSpanPlacementBlueprint : PlacementBlueprint
+    public partial class TaikoSpanPlacementBlueprint : HitObjectPlacementBlueprint
     {
         private readonly HitPiece headPiece;
         private readonly HitPiece tailPiece;

osu.Game.Rulesets.Taiko/Edit/DrumRollCompositionTool.cs

@@ -10,7 +10,7 @@ using osu.Game.Rulesets.Taiko.Objects;
 
 namespace osu.Game.Rulesets.Taiko.Edit
 {
-    public class DrumRollCompositionTool : HitObjectCompositionTool
+    public class DrumRollCompositionTool : CompositionTool
     {
         public DrumRollCompositionTool()
             : base(nameof(DrumRoll))
@@ -19,6 +19,6 @@ namespace osu.Game.Rulesets.Taiko.Edit
 
         public override Drawable CreateIcon() => new BeatmapStatisticIcon(BeatmapStatisticsIconType.Sliders);
 
-        public override PlacementBlueprint CreatePlacementBlueprint() => new DrumRollPlacementBlueprint();
+        public override HitObjectPlacementBlueprint CreatePlacementBlueprint() => new DrumRollPlacementBlueprint();
     }
 }

osu.Game.Rulesets.Taiko/Edit/HitCompositionTool.cs

@@ -10,7 +10,7 @@ using osu.Game.Rulesets.Taiko.Objects;
 
 namespace osu.Game.Rulesets.Taiko.Edit
 {
-    public class HitCompositionTool : HitObjectCompositionTool
+    public class HitCompositionTool : CompositionTool
     {
         public HitCompositionTool()
             : base(nameof(Hit))
@@ -19,6 +19,6 @@ namespace osu.Game.Rulesets.Taiko.Edit
 
         public override Drawable CreateIcon() => new BeatmapStatisticIcon(BeatmapStatisticsIconType.Circles);
 
-        public override PlacementBlueprint CreatePlacementBlueprint() => new HitPlacementBlueprint();
+        public override HitObjectPlacementBlueprint CreatePlacementBlueprint() => new HitPlacementBlueprint();
     }
 }

osu.Game.Rulesets.Taiko/Edit/SwellCompositionTool.cs

@@ -10,7 +10,7 @@ using osu.Game.Rulesets.Taiko.Objects;
 
 namespace osu.Game.Rulesets.Taiko.Edit
 {
-    public class SwellCompositionTool : HitObjectCompositionTool
+    public class SwellCompositionTool : CompositionTool
     {
         public SwellCompositionTool()
             : base(nameof(Swell))
@@ -19,6 +19,6 @@ namespace osu.Game.Rulesets.Taiko.Edit
 
         public override Drawable CreateIcon() => new BeatmapStatisticIcon(BeatmapStatisticsIconType.Spinners);
 
-        public override PlacementBlueprint CreatePlacementBlueprint() => new SwellPlacementBlueprint();
+        public override HitObjectPlacementBlueprint CreatePlacementBlueprint() => new SwellPlacementBlueprint();
     }
 }

osu.Game.Rulesets.Taiko/Edit/TaikoHitObjectComposer.cs

@@ -21,7 +21,7 @@ namespace osu.Game.Rulesets.Taiko.Edit
         {
         }
 
-        protected override IReadOnlyList<HitObjectCompositionTool> CompositionTools => new HitObjectCompositionTool[]
+        protected override IReadOnlyList<CompositionTool> CompositionTools => new CompositionTool[]
         {
             new HitCompositionTool(),
             new DrumRollCompositionTool(),

osu.Game.Rulesets.Taiko/Skinning/Argon/VolumeAwareHitSampleInfo.cs

@@ -1,6 +1,7 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
+using System;
 using System.Collections.Generic;
 using osu.Game.Audio;
 
@@ -48,5 +49,24 @@ namespace osu.Game.Rulesets.Taiko.Skinning.Argon
                     return originalBank;
             }
         }
+
+        public override bool Equals(HitSampleInfo? other) => other is VolumeAwareHitSampleInfo && base.Equals(other);
+
+        /// <remarks>
+        /// <para>
+        /// This override attempts to match the <see cref="Equals"/> override above, but in theory it is not strictly necessary.
+        /// Recall that <see cref="GetHashCode"/> <a href="https://learn.microsoft.com/en-us/dotnet/api/system.object.gethashcode?view=net-8.0#notes-to-inheritors">must meet the following requirements</a>:
+        /// </para>
+        /// <para>
+        /// "If two objects compare as equal, the <see cref="GetHashCode"/> method for each object must return the same value.
+        /// However, if two objects do not compare as equal, <see cref="GetHashCode"/> methods for the two objects do not have to return different values."
+        /// </para>
+        /// <para>
+        /// Making this override combine the value generated by the base <see cref="GetHashCode"/> implementation with a constant means
+        /// that <see cref="HitSampleInfo"/> and <see cref="VolumeAwareHitSampleInfo"/> instances which have the same values of their members
+        /// will not have equal hash codes, which is slightly more efficient when these objects are used as dictionary keys.
+        /// </para>
+        /// </remarks>
+        public override int GetHashCode() => HashCode.Combine(base.GetHashCode(), 1);
     }
 }

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

@@ -633,11 +633,15 @@ namespace osu.Game.Tests.NonVisual.Filtering
             new object[] { "0", DateTimeOffset.Now, false },
             new object[] { "false", DateTimeOffset.MinValue, true },
             new object[] { "false", DateTimeOffset.Now, false },
+            new object[] { "no", DateTimeOffset.MinValue, true },
+            new object[] { "no", DateTimeOffset.Now, false },
 
             new object[] { "1", DateTimeOffset.MinValue, false },
             new object[] { "1", DateTimeOffset.Now, true },
             new object[] { "true", DateTimeOffset.MinValue, false },
             new object[] { "true", DateTimeOffset.Now, true },
+            new object[] { "yes", DateTimeOffset.MinValue, false },
+            new object[] { "yes", DateTimeOffset.Now, true },
         };
 
         [Test]

osu.Game.Tests/Utils/BindableValueAccessorTest.cs

@@ -0,0 +1,52 @@
+// 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 NUnit.Framework;
+using osu.Framework.Bindables;
+using osu.Game.Utils;
+
+namespace osu.Game.Tests.Utils
+{
+    [TestFixture]
+    public class BindableValueAccessorTest
+    {
+        [Test]
+        public void GetValue()
+        {
+            const int value = 1337;
+
+            BindableInt bindable = new BindableInt(value);
+            Assert.That(BindableValueAccessor.GetValue(bindable), Is.EqualTo(value));
+        }
+
+        [Test]
+        public void SetValue()
+        {
+            const int value = 1337;
+
+            BindableInt bindable = new BindableInt();
+            BindableValueAccessor.SetValue(bindable, value);
+
+            Assert.That(bindable.Value, Is.EqualTo(value));
+        }
+
+        [Test]
+        public void GetInvalidBindable()
+        {
+            BindableList<object> list = new BindableList<object>();
+            Assert.That(BindableValueAccessor.GetValue(list), Is.EqualTo(list));
+        }
+
+        [Test]
+        public void SetInvalidBindable()
+        {
+            const int value = 1337;
+
+            BindableList<int> list = new BindableList<int> { value };
+            BindableValueAccessor.SetValue(list, 2);
+
+            Assert.That(list, Has.Exactly(1).Items);
+            Assert.That(list[0], Is.EqualTo(value));
+        }
+    }
+}

osu.Game.Tests/Utils/GeometryUtilsTest.cs

@@ -0,0 +1,51 @@
+// 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 NUnit.Framework;
+using osu.Game.Utils;
+using osuTK;
+
+namespace osu.Game.Tests.Utils
+{
+    [TestFixture]
+    public class GeometryUtilsTest
+    {
+        [TestCase(new int[] { }, new int[] { })]
+        [TestCase(new[] { 0, 0 }, new[] { 0, 0 })]
+        [TestCase(new[] { 0, 0, 1, 1, 1, -1, 2, 0 }, new[] { 0, 0, 1, 1, 2, 0, 1, -1 })]
+        [TestCase(new[] { 0, 0, 1, 1, 1, -1, 2, 0, 1, 0 }, new[] { 0, 0, 1, 1, 2, 0, 1, -1 })]
+        [TestCase(new[] { 0, 0, 1, 1, 2, -1, 2, 0, 1, 0, 4, 10 }, new[] { 0, 0, 4, 10, 2, -1 })]
+        public void TestConvexHull(int[] values, int[] expected)
+        {
+            var points = new Vector2[values.Length / 2];
+            for (int i = 0; i < values.Length; i += 2)
+                points[i / 2] = new Vector2(values[i], values[i + 1]);
+
+            var expectedPoints = new Vector2[expected.Length / 2];
+            for (int i = 0; i < expected.Length; i += 2)
+                expectedPoints[i / 2] = new Vector2(expected[i], expected[i + 1]);
+
+            var hull = GeometryUtils.GetConvexHull(points);
+
+            Assert.That(hull, Is.EquivalentTo(expectedPoints));
+        }
+
+        [TestCase(new int[] { }, 0, 0, 0)]
+        [TestCase(new[] { 0, 0 }, 0, 0, 0)]
+        [TestCase(new[] { 0, 0, 1, 1, 1, -1, 2, 0 }, 1, 0, 1)]
+        [TestCase(new[] { 0, 0, 1, 1, 1, -1, 2, 0, 1, 0 }, 1, 0, 1)]
+        [TestCase(new[] { 0, 0, 1, 1, 2, -1, 2, 0, 1, 0, 4, 10 }, 3, 4.5f, 5.5901699f)]
+        public void TestMinimumEnclosingCircle(int[] values, float x, float y, float r)
+        {
+            var points = new Vector2[values.Length / 2];
+            for (int i = 0; i < values.Length; i += 2)
+                points[i / 2] = new Vector2(values[i], values[i + 1]);
+
+            (var centre, float radius) = GeometryUtils.MinimumEnclosingCircle(points);
+
+            Assert.That(centre.X, Is.EqualTo(x).Within(0.0001));
+            Assert.That(centre.Y, Is.EqualTo(y).Within(0.0001));
+            Assert.That(radius, Is.EqualTo(r).Within(0.0001));
+        }
+    }
+}

osu.Game.Tests/Visual/Editing/TestSceneComposeSelectBox.cs

@@ -84,6 +84,7 @@ namespace osu.Game.Tests.Visual.Editing
 
                 targetContainer = getTargetContainer();
                 initialRotation = targetContainer!.Rotation;
+                DefaultOrigin = ToLocalSpace(targetContainer.ToScreenSpace(Vector2.Zero));
 
                 base.Begin();
             }
@@ -134,7 +135,7 @@ namespace osu.Game.Tests.Visual.Editing
                 OriginalSurroundingQuad = new Quad(targetContainer!.X, targetContainer.Y, targetContainer.Width, targetContainer.Height);
             }
 
-            public override void Update(Vector2 scale, Vector2? origin = null, Axes adjustAxis = Axes.Both)
+            public override void Update(Vector2 scale, Vector2? origin = null, Axes adjustAxis = Axes.Both, float axisRotation = 0)
             {
                 if (targetContainer == null)
                     throw new InvalidOperationException($"Cannot {nameof(Update)} a scale operation without calling {nameof(Begin)} first!");

osu.Game.Tests/Visual/Editing/TestSceneComposerSelection.cs

@@ -4,6 +4,7 @@
 using System;
 using System.Linq;
 using NUnit.Framework;
+using osu.Framework.Graphics;
 using osu.Framework.Graphics.Cursor;
 using osu.Framework.Graphics.UserInterface;
 using osu.Framework.Testing;
@@ -36,6 +37,9 @@ namespace osu.Game.Tests.Visual.Editing
         private ContextMenuContainer contextMenuContainer
             => Editor.ChildrenOfType<ContextMenuContainer>().First();
 
+        private SelectionBoxScaleHandle getScaleHandle(Anchor anchor)
+            => Editor.ChildrenOfType<SelectionBoxScaleHandle>().First(it => it.Anchor == anchor);
+
         private void moveMouseToObject(Func<HitObject> targetFunc)
         {
             AddStep("move mouse to object", () =>
@@ -215,6 +219,51 @@ namespace osu.Game.Tests.Visual.Editing
             AddAssert("2 hitobjects selected", () => EditorBeatmap.SelectedHitObjects.Count == 2 && !EditorBeatmap.SelectedHitObjects.Contains(addedObjects[1]));
         }
 
+        [Test]
+        public void TestMultiSelectWithDragBox()
+        {
+            var addedObjects = new[]
+            {
+                new HitCircle { StartTime = 100 },
+                new HitCircle { StartTime = 200, Position = new Vector2(100) },
+                new HitCircle { StartTime = 300, Position = new Vector2(512, 0) },
+                new HitCircle { StartTime = 400, Position = new Vector2(412, 100) },
+            };
+            AddStep("add hitobjects", () => EditorBeatmap.AddRange(addedObjects));
+
+            AddStep("start dragging", () =>
+            {
+                InputManager.MoveMouseTo(blueprintContainer.ScreenSpaceDrawQuad.Centre);
+                InputManager.PressButton(MouseButton.Left);
+            });
+            AddStep("drag to left corner", () => InputManager.MoveMouseTo(blueprintContainer.ScreenSpaceDrawQuad.TopLeft - new Vector2(5)));
+            AddStep("end dragging", () => InputManager.ReleaseButton(MouseButton.Left));
+
+            AddAssert("2 hitobjects selected", () => EditorBeatmap.SelectedHitObjects, () => Has.Count.EqualTo(2));
+
+            AddStep("start dragging with control", () =>
+            {
+                InputManager.MoveMouseTo(blueprintContainer.ScreenSpaceDrawQuad.Centre);
+                InputManager.PressButton(MouseButton.Left);
+                InputManager.PressKey(Key.ControlLeft);
+            });
+            AddStep("drag to left corner", () => InputManager.MoveMouseTo(blueprintContainer.ScreenSpaceDrawQuad.TopRight + new Vector2(5, -5)));
+            AddStep("end dragging", () => InputManager.ReleaseButton(MouseButton.Left));
+            AddStep("release control", () => InputManager.ReleaseKey(Key.ControlLeft));
+
+            AddAssert("4 hitobjects selected", () => EditorBeatmap.SelectedHitObjects, () => Has.Count.EqualTo(4));
+
+            AddStep("start dragging without control", () =>
+            {
+                InputManager.MoveMouseTo(blueprintContainer.ScreenSpaceDrawQuad.Centre);
+                InputManager.PressButton(MouseButton.Left);
+            });
+            AddStep("drag to left corner", () => InputManager.MoveMouseTo(blueprintContainer.ScreenSpaceDrawQuad.TopRight + new Vector2(5, -5)));
+            AddStep("end dragging", () => InputManager.ReleaseButton(MouseButton.Left));
+
+            AddAssert("2 hitobjects selected", () => EditorBeatmap.SelectedHitObjects, () => Has.Count.EqualTo(2));
+        }
+
         [Test]
         public void TestNearestSelection()
         {
@@ -519,5 +568,137 @@ namespace osu.Game.Tests.Visual.Editing
 
             AddStep("release shift", () => InputManager.ReleaseKey(Key.ShiftLeft));
         }
+
+        [Test]
+        public void TestShiftModifierMaintainsAspectRatio()
+        {
+            HitCircle[] addedObjects = null!;
+
+            float aspectRatioBeforeDrag = 0;
+
+            float getAspectRatio() => (addedObjects[1].X - addedObjects[0].X) / (addedObjects[1].Y - addedObjects[0].Y);
+
+            AddStep("add hitobjects", () =>
+            {
+                EditorBeatmap.AddRange(addedObjects = new[]
+                {
+                    new HitCircle { StartTime = 100, Position = new Vector2(150, 150) },
+                    new HitCircle { StartTime = 200, Position = new Vector2(250, 200) },
+                });
+
+                aspectRatioBeforeDrag = getAspectRatio();
+            });
+
+            AddStep("select objects", () => EditorBeatmap.SelectedHitObjects.AddRange(addedObjects));
+
+            AddStep("move mouse to handle", () => InputManager.MoveMouseTo(getScaleHandle(Anchor.BottomRight).ScreenSpaceDrawQuad.Centre));
+
+            AddStep("begin drag", () => InputManager.PressButton(MouseButton.Left));
+
+            AddStep("move mouse", () => InputManager.MoveMouseTo(InputManager.CurrentState.Mouse.Position + new Vector2(50, 0)));
+
+            AddStep("aspect ratio does not equal", () => Assert.AreNotEqual(aspectRatioBeforeDrag, getAspectRatio()));
+
+            AddStep("press shift", () => InputManager.PressKey(Key.ShiftLeft));
+
+            AddStep("aspect ratio does equal", () => Assert.AreEqual(aspectRatioBeforeDrag, getAspectRatio()));
+
+            AddStep("end drag", () => InputManager.ReleaseButton(MouseButton.Left));
+
+            AddStep("release shift", () => InputManager.ReleaseKey(Key.ShiftLeft));
+        }
+
+        [Test]
+        public void TestAltModifierScalesAroundCenter()
+        {
+            HitCircle[] addedObjects = null!;
+
+            Vector2 centerBeforeDrag = Vector2.Zero;
+
+            Vector2 getCenter() => (addedObjects[0].Position + addedObjects[1].Position) / 2;
+
+            AddStep("add hitobjects", () =>
+            {
+                EditorBeatmap.AddRange(addedObjects = new[]
+                {
+                    new HitCircle { StartTime = 100, Position = new Vector2(150, 150) },
+                    new HitCircle { StartTime = 200, Position = new Vector2(250, 200) },
+                });
+
+                centerBeforeDrag = getCenter();
+            });
+
+            AddStep("select objects", () => EditorBeatmap.SelectedHitObjects.AddRange(addedObjects));
+
+            AddStep("move mouse to handle", () => InputManager.MoveMouseTo(getScaleHandle(Anchor.BottomRight).ScreenSpaceDrawQuad.Centre));
+
+            AddStep("begin drag", () => InputManager.PressButton(MouseButton.Left));
+
+            AddStep("move mouse", () => InputManager.MoveMouseTo(InputManager.CurrentState.Mouse.Position + new Vector2(50, 0)));
+
+            AddStep("center does not equal", () => Assert.AreNotEqual(centerBeforeDrag, getCenter()));
+
+            AddStep("press alt", () => InputManager.PressKey(Key.AltLeft));
+
+            AddStep("center does equal", () => Assert.AreEqual(centerBeforeDrag, getCenter()));
+
+            AddStep("end drag", () => InputManager.ReleaseButton(MouseButton.Left));
+
+            AddStep("release alt", () => InputManager.ReleaseKey(Key.AltLeft));
+        }
+
+        [Test]
+        public void TestShiftAndAltModifierKeys()
+        {
+            HitCircle[] addedObjects = null!;
+
+            float aspectRatioBeforeDrag = 0;
+
+            Vector2 centerBeforeDrag = Vector2.Zero;
+
+            float getAspectRatio() => (addedObjects[1].X - addedObjects[0].X) / (addedObjects[1].Y - addedObjects[0].Y);
+
+            Vector2 getCenter() => (addedObjects[0].Position + addedObjects[1].Position) / 2;
+
+            AddStep("add hitobjects", () =>
+            {
+                EditorBeatmap.AddRange(addedObjects = new[]
+                {
+                    new HitCircle { StartTime = 100, Position = new Vector2(150, 150) },
+                    new HitCircle { StartTime = 200, Position = new Vector2(250, 200) },
+                });
+
+                aspectRatioBeforeDrag = getAspectRatio();
+                centerBeforeDrag = getCenter();
+            });
+
+            AddStep("select objects", () => EditorBeatmap.SelectedHitObjects.AddRange(addedObjects));
+
+            AddStep("move mouse to handle", () => InputManager.MoveMouseTo(getScaleHandle(Anchor.BottomRight).ScreenSpaceDrawQuad.Centre));
+
+            AddStep("begin drag", () => InputManager.PressButton(MouseButton.Left));
+
+            AddStep("move mouse", () => InputManager.MoveMouseTo(InputManager.CurrentState.Mouse.Position + new Vector2(50, 0)));
+
+            AddStep("aspect ratio does not equal", () => Assert.AreNotEqual(aspectRatioBeforeDrag, getAspectRatio()));
+
+            AddStep("center does not equal", () => Assert.AreNotEqual(centerBeforeDrag, getCenter()));
+
+            AddStep("press shift", () => InputManager.PressKey(Key.ShiftLeft));
+
+            AddStep("aspect ratio does equal", () => Assert.AreEqual(aspectRatioBeforeDrag, getAspectRatio()));
+
+            AddStep("center does not equal", () => Assert.AreNotEqual(centerBeforeDrag, getCenter()));
+
+            AddStep("press alt", () => InputManager.PressKey(Key.AltLeft));
+
+            AddStep("center does equal", () => Assert.AreEqual(centerBeforeDrag, getCenter()));
+
+            AddStep("end drag", () => InputManager.ReleaseButton(MouseButton.Left));
+
+            AddStep("release shift", () => InputManager.ReleaseKey(Key.ShiftLeft));
+
+            AddStep("release alt", () => InputManager.ReleaseKey(Key.AltLeft));
+        }
     }
 }

osu.Game.Tests/Visual/Gameplay/TestSceneBeatmapOffsetControl.cs

@@ -5,6 +5,7 @@ using System.Linq;
 using NUnit.Framework;
 using osu.Framework.Graphics;
 using osu.Framework.Testing;
+using osu.Game.Beatmaps;
 using osu.Game.Overlays.Settings;
 using osu.Game.Rulesets.Mods;
 using osu.Game.Rulesets.Osu.Mods;
@@ -136,6 +137,59 @@ namespace osu.Game.Tests.Visual.Gameplay
             AddAssert("No calibration button", () => !offsetControl.ChildrenOfType<SettingsButton>().Any());
         }
 
+        [Test]
+        public void TestCalibrationFromNonZeroWithImmediateReferenceScore()
+        {
+            const double average_error = -4.5;
+            const double initial_offset = -2;
+
+            AddStep("Set beatmap offset non-neutral", () => Realm.Write(r =>
+            {
+                r.Add(new BeatmapInfo
+                {
+                    ID = Beatmap.Value.BeatmapInfo.ID,
+                    Ruleset = Beatmap.Value.BeatmapInfo.Ruleset,
+                    UserSettings =
+                    {
+                        Offset = initial_offset,
+                    }
+                });
+            }));
+
+            AddStep("Create control with preloaded reference score", () =>
+            {
+                Child = new PlayerSettingsGroup("Some settings")
+                {
+                    Anchor = Anchor.Centre,
+                    Origin = Anchor.Centre,
+                    Children = new Drawable[]
+                    {
+                        offsetControl = new BeatmapOffsetControl
+                        {
+                            ReferenceScore =
+                            {
+                                Value = new ScoreInfo
+                                {
+                                    HitEvents = TestSceneHitEventTimingDistributionGraph.CreateDistributedHitEvents(average_error),
+                                    BeatmapInfo = Beatmap.Value.BeatmapInfo,
+                                }
+                            }
+                        }
+                    }
+                };
+            });
+
+            AddUntilStep("Has calibration button", () => offsetControl.ChildrenOfType<SettingsButton>().Any());
+            AddStep("Press button", () => offsetControl.ChildrenOfType<SettingsButton>().Single().TriggerClick());
+            AddAssert("Offset is adjusted", () => offsetControl.Current.Value, () => Is.EqualTo(initial_offset - average_error));
+
+            AddUntilStep("Button is disabled", () => !offsetControl.ChildrenOfType<SettingsButton>().Single().Enabled.Value);
+            AddStep("Remove reference score", () => offsetControl.ReferenceScore.Value = null);
+            AddAssert("No calibration button", () => !offsetControl.ChildrenOfType<SettingsButton>().Any());
+
+            AddStep("Clean up beatmap", () => Realm.Write(r => r.RemoveAll<BeatmapInfo>()));
+        }
+
         [Test]
         public void TestCalibrationNoChange()
         {

osu.Game.Tests/Visual/Gameplay/TestSceneBreakTracker.cs

@@ -43,6 +43,7 @@ namespace osu.Game.Tests.Visual.Gameplay
                 breakOverlay = new BreakOverlay(true, new ScoreProcessor(new OsuRuleset()))
                 {
                     ProcessCustomClock = false,
+                    BreakTracker = breakTracker,
                 }
             };
         }
@@ -57,9 +58,6 @@ namespace osu.Game.Tests.Visual.Gameplay
         [Test]
         public void TestShowBreaks()
         {
-            setClock(false);
-
-            addShowBreakStep(2);
             addShowBreakStep(5);
             addShowBreakStep(15);
         }
@@ -124,7 +122,7 @@ namespace osu.Game.Tests.Visual.Gameplay
         {
             AddStep($"show '{seconds}s' break", () =>
             {
-                breakOverlay.Breaks = breakTracker.Breaks = new List<BreakPeriod>
+                breakTracker.Breaks = new List<BreakPeriod>
                 {
                     new BreakPeriod(Clock.CurrentTime, Clock.CurrentTime + seconds * 1000)
                 };
@@ -138,7 +136,7 @@ namespace osu.Game.Tests.Visual.Gameplay
 
         private void loadBreaksStep(string breakDescription, IReadOnlyList<BreakPeriod> breaks)
         {
-            AddStep($"load {breakDescription}", () => breakOverlay.Breaks = breakTracker.Breaks = breaks);
+            AddStep($"load {breakDescription}", () => breakTracker.Breaks = breaks);
             seekAndAssertBreak("seek back to 0", 0, false);
         }
 
@@ -184,6 +182,7 @@ namespace osu.Game.Tests.Visual.Gameplay
             }
 
             public TestBreakTracker()
+                : base(0, new ScoreProcessor(new OsuRuleset()))
             {
                 FramedManualClock = new FramedClock(manualClock = new ManualClock());
                 ProcessCustomClock = false;

osu.Game.Tests/Visual/Gameplay/TestScenePlayerScoreSubmission.cs

@@ -8,7 +8,9 @@ using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
 using NUnit.Framework;
+using osu.Framework.Graphics.Containers;
 using osu.Framework.Screens;
+using osu.Framework.Testing;
 using osu.Game.Beatmaps;
 using osu.Game.Online.API;
 using osu.Game.Online.Rooms;
@@ -26,6 +28,7 @@ using osu.Game.Scoring;
 using osu.Game.Screens.Play;
 using osu.Game.Screens.Ranking;
 using osu.Game.Tests.Beatmaps;
+using osuTK.Input;
 
 namespace osu.Game.Tests.Visual.Gameplay
 {
@@ -177,6 +180,30 @@ namespace osu.Game.Tests.Visual.Gameplay
             AddAssert("ensure no submission", () => Player.SubmittedScore == null);
         }
 
+        [Test]
+        public void TestEmptyFailStillImports()
+        {
+            prepareTestAPI(true);
+
+            createPlayerTest(true);
+
+            AddUntilStep("wait for token request", () => Player.TokenCreationRequested);
+
+            AddUntilStep("wait for fail", () => Player.GameplayState.HasFailed);
+            AddUntilStep("wait for fail overlay", () => Player.FailOverlay.State.Value, () => Is.EqualTo(Visibility.Visible));
+
+            AddStep("attempt import", () =>
+            {
+                InputManager.MoveMouseTo(Player.ChildrenOfType<SaveFailedScoreButton>().Single());
+                InputManager.Click(MouseButton.Left);
+            });
+            AddUntilStep("wait for import to start", () => Player.ScoreImportStarted);
+            AddStep("allow import", () => Player.AllowImportCompletion.Release());
+
+            AddUntilStep("import completed", () => Player.ImportedScore, () => Is.Not.Null);
+            AddAssert("ensure no submission", () => Player.SubmittedScore, () => Is.Null);
+        }
+
         [Test]
         public void TestSubmissionOnFail()
         {
@@ -378,6 +405,8 @@ namespace osu.Game.Tests.Visual.Gameplay
             public SemaphoreSlim AllowImportCompletion { get; }
             public Score ImportedScore { get; private set; }
 
+            public new FailOverlay FailOverlay => base.FailOverlay;
+
             public FakeImportingPlayer(bool allowPause = true, bool showResults = true, bool pauseOnFocusLost = false)
                 : base(allowPause, showResults, pauseOnFocusLost)
             {

osu.Game.Tests/Visual/Gameplay/TestSceneSkinEditor.cs

@@ -440,8 +440,8 @@ namespace osu.Game.Tests.Visual.Gameplay
 
             AddStep("import old classic skin", () => skins.CurrentSkinInfo.Value = importedSkin = importSkinFromArchives(@"classic-layout-version-0.osk").SkinInfo);
             AddUntilStep("wait for load", () => globalHUDTarget.ComponentsLoaded && rulesetHUDTarget.ComponentsLoaded);
-            AddAssert("no combo in global target", () => !globalHUDTarget.Components.OfType<LegacyComboCounter>().Any());
-            AddAssert("combo placed in ruleset target", () => rulesetHUDTarget.Components.OfType<LegacyComboCounter>().Count() == 1);
+            AddAssert("no combo in global target", () => !globalHUDTarget.Components.OfType<LegacyDefaultComboCounter>().Any());
+            AddAssert("combo placed in ruleset target", () => rulesetHUDTarget.Components.OfType<LegacyDefaultComboCounter>().Count() == 1);
 
             AddStep("add combo to global target", () => globalHUDTarget.Add(new LegacyDefaultComboCounter
             {
@@ -454,8 +454,8 @@ namespace osu.Game.Tests.Visual.Gameplay
             AddStep("select another skin", () => skins.CurrentSkinInfo.SetDefault());
             AddStep("select skin again", () => skins.CurrentSkinInfo.Value = importedSkin);
             AddUntilStep("wait for load", () => globalHUDTarget.ComponentsLoaded && rulesetHUDTarget.ComponentsLoaded);
-            AddAssert("combo placed in global target", () => globalHUDTarget.Components.OfType<LegacyComboCounter>().Count() == 1);
-            AddAssert("combo placed in ruleset target", () => rulesetHUDTarget.Components.OfType<LegacyComboCounter>().Count() == 1);
+            AddAssert("combo placed in global target", () => globalHUDTarget.Components.OfType<LegacyDefaultComboCounter>().Count() == 1);
+            AddAssert("combo placed in ruleset target", () => rulesetHUDTarget.Components.OfType<LegacyDefaultComboCounter>().Count() == 1);
         }
 
         private Skin importSkinFromArchives(string filename)

osu.Game.Tests/Visual/Gameplay/TestSceneSpectator.cs

@@ -19,6 +19,7 @@ using osu.Game.Rulesets.UI;
 using osu.Game.Scoring;
 using osu.Game.Screens;
 using osu.Game.Screens.Play;
+using osu.Game.Screens.Play.HUD.JudgementCounter;
 using osu.Game.Tests.Beatmaps.IO;
 using osu.Game.Tests.Gameplay;
 using osu.Game.Tests.Visual.Multiplayer;
@@ -167,14 +168,16 @@ namespace osu.Game.Tests.Visual.Gameplay
         public void TestSpectatingDuringGameplay()
         {
             start();
-            sendFrames(300);
+            sendFrames(300, initialResultCount: 100);
 
             loadSpectatingScreen();
             waitForPlayerCurrent();
 
-            sendFrames(300);
+            sendFrames(300, initialResultCount: 100);
 
             AddUntilStep("playing from correct point in time", () => player.ChildrenOfType<DrawableRuleset>().First().FrameStableClock.CurrentTime, () => Is.GreaterThan(30000));
+            AddAssert("check judgement counts are correct", () => player.ChildrenOfType<JudgementCountController>().Single().Counters.Sum(c => c.ResultCount.Value),
+                () => Is.GreaterThanOrEqualTo(100));
         }
 
         [Test]
@@ -405,9 +408,9 @@ namespace osu.Game.Tests.Visual.Gameplay
         private void checkPaused(bool state) =>
             AddUntilStep($"game is {(state ? "paused" : "playing")}", () => player.ChildrenOfType<DrawableRuleset>().First().IsPaused.Value == state);
 
-        private void sendFrames(int count = 10, double startTime = 0)
+        private void sendFrames(int count = 10, double startTime = 0, int initialResultCount = 0)
         {
-            AddStep("send frames", () => spectatorClient.SendFramesFromUser(streamingUser.Id, count, startTime));
+            AddStep("send frames", () => spectatorClient.SendFramesFromUser(streamingUser.Id, count, startTime, initialResultCount));
         }
 
         private void loadSpectatingScreen()

osu.Game.Tests/Visual/Navigation/TestSceneScreenNavigation.cs

@@ -144,6 +144,28 @@ namespace osu.Game.Tests.Visual.Navigation
             exitViaEscapeAndConfirm();
         }
 
+        [Test]
+        public void TestEnterGameplayWhileFilteringToNoSelection()
+        {
+            TestPlaySongSelect songSelect = null;
+
+            PushAndConfirm(() => songSelect = new TestPlaySongSelect());
+            AddUntilStep("wait for song select", () => songSelect.BeatmapSetsLoaded);
+            AddStep("import beatmap", () => BeatmapImportHelper.LoadQuickOszIntoOsu(Game).WaitSafely());
+            AddUntilStep("wait for selected", () => !Game.Beatmap.IsDefault);
+
+            AddStep("force selection", () =>
+            {
+                songSelect.FinaliseSelection();
+                songSelect.FilterControl.CurrentTextSearch.Value = "test";
+            });
+
+            AddUntilStep("wait for player", () => !songSelect.IsCurrentScreen());
+            AddStep("return to song select", () => songSelect.MakeCurrent());
+
+            AddUntilStep("wait for selection lost", () => songSelect.Beatmap.IsDefault);
+        }
+
         [Test]
         public void TestSongSelectBackActionHandling()
         {

osu.Game.Tests/Visual/Online/TestSceneUserProfileDailyChallenge.cs

@@ -66,8 +66,8 @@ namespace osu.Game.Tests.Visual.Online
         [Test]
         public void TestPlayCountRankingTier()
         {
-            AddAssert("1 before silver", () => DailyChallengeStatsDisplay.TierForPlayCount(30) == RankingTier.Bronze);
-            AddAssert("first silver", () => DailyChallengeStatsDisplay.TierForPlayCount(31) == RankingTier.Silver);
+            AddAssert("1 before silver", () => DailyChallengeStatsTooltip.TierForPlayCount(30) == RankingTier.Bronze);
+            AddAssert("first silver", () => DailyChallengeStatsTooltip.TierForPlayCount(31) == RankingTier.Silver);
         }
     }
 }

osu.Game.Tests/Visual/Ranking/TestSceneStatisticsPanel.cs

@@ -5,14 +5,18 @@
 
 using System;
 using System.Collections.Generic;
+using System.Linq;
 using System.Threading;
 using NUnit.Framework;
+using osu.Framework.Bindables;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Shapes;
+using osu.Framework.Testing;
 using osu.Game.Beatmaps;
 using osu.Game.Graphics;
 using osu.Game.Graphics.Sprites;
+using osu.Game.Graphics.UserInterface;
 using osu.Game.Online;
 using osu.Game.Rulesets;
 using osu.Game.Rulesets.Difficulty;
@@ -23,6 +27,7 @@ using osu.Game.Screens.Ranking.Statistics;
 using osu.Game.Rulesets.Osu.Objects;
 using osu.Game.Rulesets.Scoring;
 using osu.Game.Rulesets.UI;
+using osu.Game.Screens.Ranking.Statistics.User;
 using osu.Game.Tests.Resources;
 using osu.Game.Users;
 using osuTK;
@@ -80,6 +85,69 @@ namespace osu.Game.Tests.Visual.Ranking
             loadPanel(null);
         }
 
+        [Test]
+        public void TestStatisticsShownCorrectlyIfUpdateDeliveredBeforeLoad()
+        {
+            UserStatisticsWatcher userStatisticsWatcher = null!;
+            ScoreInfo score = null!;
+
+            AddStep("create user statistics watcher", () => Add(userStatisticsWatcher = new UserStatisticsWatcher()));
+            AddStep("set user statistics update", () =>
+            {
+                score = TestResources.CreateTestScoreInfo();
+                score.OnlineID = 1234;
+                ((Bindable<UserStatisticsUpdate>)userStatisticsWatcher.LatestUpdate).Value = new UserStatisticsUpdate(score,
+                    new UserStatistics
+                    {
+                        Level = new UserStatistics.LevelInfo
+                        {
+                            Current = 5,
+                            Progress = 20,
+                        },
+                        GlobalRank = 38000,
+                        CountryRank = 12006,
+                        PP = 2134,
+                        RankedScore = 21123849,
+                        Accuracy = 0.985,
+                        PlayCount = 13375,
+                        PlayTime = 354490,
+                        TotalScore = 128749597,
+                        TotalHits = 0,
+                        MaxCombo = 1233,
+                    }, new UserStatistics
+                    {
+                        Level = new UserStatistics.LevelInfo
+                        {
+                            Current = 5,
+                            Progress = 30,
+                        },
+                        GlobalRank = 36000,
+                        CountryRank = 12000,
+                        PP = (decimal)2134.5,
+                        RankedScore = 23897015,
+                        Accuracy = 0.984,
+                        PlayCount = 13376,
+                        PlayTime = 35789,
+                        TotalScore = 132218497,
+                        TotalHits = 0,
+                        MaxCombo = 1233,
+                    });
+            });
+            AddStep("load user statistics panel", () => Child = new DependencyProvidingContainer
+            {
+                CachedDependencies = [(typeof(UserStatisticsWatcher), userStatisticsWatcher)],
+                RelativeSizeAxes = Axes.Both,
+                Child = new UserStatisticsPanel(score)
+                {
+                    RelativeSizeAxes = Axes.Both,
+                    State = { Value = Visibility.Visible },
+                    Score = { Value = score, }
+                }
+            });
+            AddUntilStep("overall ranking present", () => this.ChildrenOfType<OverallRanking>().Any());
+            AddUntilStep("loading spinner not visible", () => this.ChildrenOfType<LoadingLayer>().All(l => l.State.Value == Visibility.Hidden));
+        }
+
         private void loadPanel(ScoreInfo score) => AddStep("load panel", () =>
         {
             Child = new UserStatisticsPanel(score)