Merge branch 'master' into editor-fix-button-states-after-paste

osu.Android.props

@@ -52,6 +52,6 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="ppy.osu.Game.Resources" Version="2020.904.0" />
-    <PackageReference Include="ppy.osu.Framework.Android" Version="2020.1004.0" />
+    <PackageReference Include="ppy.osu.Framework.Android" Version="2020.1009.0" />
   </ItemGroup>
 </Project>

osu.Desktop/Updater/SquirrelUpdateManager.cs

@@ -29,6 +29,11 @@ namespace osu.Desktop.Updater
 
         private static readonly Logger logger = Logger.GetLogger("updater");
 
+        /// <summary>
+        /// Whether an update has been downloaded but not yet applied.
+        /// </summary>
+        private bool updatePending;
+
         [BackgroundDependencyLoader]
         private void load(NotificationOverlay notification)
         {
@@ -37,9 +42,9 @@ namespace osu.Desktop.Updater
             Splat.Locator.CurrentMutable.Register(() => new SquirrelLogger(), typeof(Splat.ILogger));
         }
 
-        protected override async Task PerformUpdateCheck() => await checkForUpdateAsync();
+        protected override async Task<bool> PerformUpdateCheck() => await checkForUpdateAsync();
 
-        private async Task checkForUpdateAsync(bool useDeltaPatching = true, UpdateProgressNotification notification = null)
+        private async Task<bool> checkForUpdateAsync(bool useDeltaPatching = true, UpdateProgressNotification notification = null)
         {
             // should we schedule a retry on completion of this check?
             bool scheduleRecheck = true;
@@ -49,9 +54,19 @@ namespace osu.Desktop.Updater
                 updateManager ??= await UpdateManager.GitHubUpdateManager(@"https://github.com/ppy/osu", @"osulazer", null, null, true);
 
                 var info = await updateManager.CheckForUpdate(!useDeltaPatching);
+
                 if (info.ReleasesToApply.Count == 0)
+                {
+                    if (updatePending)
+                    {
+                        // the user may have dismissed the completion notice, so show it again.
+                        notificationOverlay.Post(new UpdateCompleteNotification(this));
+                        return true;
+                    }
+
                     // no updates available. bail and retry later.
-                    return;
+                    return false;
+                }
 
                 if (notification == null)
                 {
@@ -72,6 +87,7 @@ namespace osu.Desktop.Updater
                     await updateManager.ApplyReleases(info, p => notification.Progress = p / 100f);
 
                     notification.State = ProgressNotificationState.Completed;
+                    updatePending = true;
                 }
                 catch (Exception e)
                 {
@@ -103,6 +119,8 @@ namespace osu.Desktop.Updater
                     Scheduler.AddDelayed(async () => await checkForUpdateAsync(), 60000 * 30);
                 }
             }
+
+            return true;
         }
 
         protected override void Dispose(bool isDisposing)
@@ -111,10 +129,27 @@ namespace osu.Desktop.Updater
             updateManager?.Dispose();
         }
 
+        private class UpdateCompleteNotification : ProgressCompletionNotification
+        {
+            [Resolved]
+            private OsuGame game { get; set; }
+
+            public UpdateCompleteNotification(SquirrelUpdateManager updateManager)
+            {
+                Text = @"Update ready to install. Click to restart!";
+
+                Activated = () =>
+                {
+                    updateManager.PrepareUpdateAsync()
+                                 .ContinueWith(_ => updateManager.Schedule(() => game.GracefullyExit()));
+                    return true;
+                };
+            }
+        }
+
         private class UpdateProgressNotification : ProgressNotification
         {
             private readonly SquirrelUpdateManager updateManager;
-            private OsuGame game;
 
             public UpdateProgressNotification(SquirrelUpdateManager updateManager)
             {
@@ -123,23 +158,12 @@ namespace osu.Desktop.Updater
 
             protected override Notification CreateCompletionNotification()
             {
-                return new ProgressCompletionNotification
-                {
-                    Text = @"Update ready to install. Click to restart!",
-                    Activated = () =>
-                    {
-                        updateManager.PrepareUpdateAsync()
-                                     .ContinueWith(_ => updateManager.Schedule(() => game.GracefullyExit()));
-                        return true;
-                    }
-                };
+                return new UpdateCompleteNotification(updateManager);
             }
 
             [BackgroundDependencyLoader]
-            private void load(OsuColour colours, OsuGame game)
+            private void load(OsuColour colours)
             {
-                this.game = game;
-
                 IconContent.AddRange(new Drawable[]
                 {
                     new Box

osu.Game.Rulesets.Catch/CatchRuleset.cs

@@ -141,6 +141,35 @@ namespace osu.Game.Rulesets.Catch
 
         public override Drawable CreateIcon() => new SpriteIcon { Icon = OsuIcon.RulesetCatch };
 
+        protected override IEnumerable<HitResult> GetValidHitResults()
+        {
+            return new[]
+            {
+                HitResult.Great,
+
+                HitResult.LargeTickHit,
+                HitResult.SmallTickHit,
+                HitResult.LargeBonus,
+            };
+        }
+
+        public override string GetDisplayNameForHitResult(HitResult result)
+        {
+            switch (result)
+            {
+                case HitResult.LargeTickHit:
+                    return "large droplet";
+
+                case HitResult.SmallTickHit:
+                    return "small droplet";
+
+                case HitResult.LargeBonus:
+                    return "banana";
+            }
+
+            return base.GetDisplayNameForHitResult(result);
+        }
+
         public override DifficultyCalculator CreateDifficultyCalculator(WorkingBeatmap beatmap) => new CatchDifficultyCalculator(this, beatmap);
 
         public override ISkin CreateLegacySkinProvider(ISkinSource source, IBeatmap beatmap) => new CatchLegacySkinTransformer(source);

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

@@ -83,11 +83,17 @@ namespace osu.Game.Rulesets.Mania.Tests
             RandomZ = snapshot.RandomZ;
         }
 
+        public override void PostProcess()
+        {
+            base.PostProcess();
+            Objects.Sort();
+        }
+
         public bool Equals(ManiaConvertMapping other) => other != null && RandomW == other.RandomW && RandomX == other.RandomX && RandomY == other.RandomY && RandomZ == other.RandomZ;
         public override bool Equals(ConvertMapping<ConvertValue> other) => base.Equals(other) && Equals(other as ManiaConvertMapping);
     }
 
-    public struct ConvertValue : IEquatable<ConvertValue>
+    public struct ConvertValue : IEquatable<ConvertValue>, IComparable<ConvertValue>
     {
         /// <summary>
         /// A sane value to account for osu!stable using ints everwhere.
@@ -102,5 +108,15 @@ namespace osu.Game.Rulesets.Mania.Tests
             => Precision.AlmostEquals(StartTime, other.StartTime, conversion_lenience)
                && Precision.AlmostEquals(EndTime, other.EndTime, conversion_lenience)
                && Column == other.Column;
+
+        public int CompareTo(ConvertValue other)
+        {
+            var result = StartTime.CompareTo(other.StartTime);
+
+            if (result != 0)
+                return result;
+
+            return Column.CompareTo(other.Column);
+        }
     }
 }

osu.Game.Rulesets.Mania/ManiaRuleset.cs

@@ -319,6 +319,31 @@ namespace osu.Game.Rulesets.Mania
             return (PlayfieldType)Enum.GetValues(typeof(PlayfieldType)).Cast<int>().OrderByDescending(i => i).First(v => variant >= v);
         }
 
+        protected override IEnumerable<HitResult> GetValidHitResults()
+        {
+            return new[]
+            {
+                HitResult.Perfect,
+                HitResult.Great,
+                HitResult.Good,
+                HitResult.Ok,
+                HitResult.Meh,
+
+                HitResult.LargeTickHit,
+            };
+        }
+
+        public override string GetDisplayNameForHitResult(HitResult result)
+        {
+            switch (result)
+            {
+                case HitResult.LargeTickHit:
+                    return "hold tick";
+            }
+
+            return base.GetDisplayNameForHitResult(result);
+        }
+
         public override StatisticRow[] CreateStatisticsForScore(ScoreInfo score, IBeatmap playableBeatmap) => new[]
         {
             new StatisticRow

osu.Game.Rulesets.Osu/Edit/Blueprints/Sliders/Components/SliderBodyPiece.cs

@@ -49,6 +49,8 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders.Components
             OriginPosition = body.PathOffset;
         }
 
+        public void RecyclePath() => body.RecyclePath();
+
         public override bool ReceivePositionalInputAt(Vector2 screenSpacePos) => body.ReceivePositionalInputAt(screenSpacePos);
     }
 }

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

@@ -24,10 +24,12 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders
 {
     public class SliderSelectionBlueprint : OsuSelectionBlueprint<Slider>
     {
-        protected readonly SliderBodyPiece BodyPiece;
-        protected readonly SliderCircleSelectionBlueprint HeadBlueprint;
-        protected readonly SliderCircleSelectionBlueprint TailBlueprint;
-        protected readonly PathControlPointVisualiser ControlPointVisualiser;
+        protected SliderBodyPiece BodyPiece { get; private set; }
+        protected SliderCircleSelectionBlueprint HeadBlueprint { get; private set; }
+        protected SliderCircleSelectionBlueprint TailBlueprint { get; private set; }
+        protected PathControlPointVisualiser ControlPointVisualiser { get; private set; }
+
+        private readonly DrawableSlider slider;
 
         [Resolved(CanBeNull = true)]
         private HitObjectComposer composer { get; set; }
@@ -44,17 +46,17 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders
         public SliderSelectionBlueprint(DrawableSlider slider)
             : base(slider)
         {
-            var sliderObject = (Slider)slider.HitObject;
+            this.slider = slider;
+        }
 
+        [BackgroundDependencyLoader]
+        private void load()
+        {
             InternalChildren = new Drawable[]
             {
                 BodyPiece = new SliderBodyPiece(),
                 HeadBlueprint = CreateCircleSelectionBlueprint(slider, SliderPosition.Start),
                 TailBlueprint = CreateCircleSelectionBlueprint(slider, SliderPosition.End),
-                ControlPointVisualiser = new PathControlPointVisualiser(sliderObject, true)
-                {
-                    RemoveControlPointsRequested = removeControlPoints
-                }
             };
         }
 
@@ -66,13 +68,35 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders
 
             pathVersion = HitObject.Path.Version.GetBoundCopy();
             pathVersion.BindValueChanged(_ => updatePath());
+
+            BodyPiece.UpdateFrom(HitObject);
         }
 
         protected override void Update()
         {
             base.Update();
 
-            BodyPiece.UpdateFrom(HitObject);
+            if (IsSelected)
+                BodyPiece.UpdateFrom(HitObject);
+        }
+
+        protected override void OnSelected()
+        {
+            AddInternal(ControlPointVisualiser = new PathControlPointVisualiser((Slider)slider.HitObject, true)
+            {
+                RemoveControlPointsRequested = removeControlPoints
+            });
+
+            base.OnSelected();
+        }
+
+        protected override void OnDeselected()
+        {
+            base.OnDeselected();
+
+            // throw away frame buffers on deselection.
+            ControlPointVisualiser?.Expire();
+            BodyPiece.RecyclePath();
         }
 
         private Vector2 rightClickPosition;
@@ -182,7 +206,7 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders
         private void updatePath()
         {
             HitObject.Path.ExpectedDistance.Value = composer?.GetSnappedDistanceFromDistance(HitObject.StartTime, (float)HitObject.Path.CalculatedDistance) ?? (float)HitObject.Path.CalculatedDistance;
-            editorBeatmap?.UpdateHitObject(HitObject);
+            editorBeatmap?.Update(HitObject);
         }
 
         public override MenuItem[] ContextMenuItems => new MenuItem[]

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

@@ -7,6 +7,7 @@ using System.Linq;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Primitives;
 using osu.Framework.Utils;
+using osu.Game.Rulesets.Objects;
 using osu.Game.Rulesets.Objects.Types;
 using osu.Game.Rulesets.Osu.Objects;
 using osu.Game.Screens.Edit.Compose.Components;
@@ -25,6 +26,7 @@ namespace osu.Game.Rulesets.Osu.Edit
             SelectionBox.CanRotate = canOperate;
             SelectionBox.CanScaleX = canOperate;
             SelectionBox.CanScaleY = canOperate;
+            SelectionBox.CanReverse = canOperate;
         }
 
         protected override void OnOperationEnded()
@@ -41,6 +43,54 @@ namespace osu.Game.Rulesets.Osu.Edit
         /// </summary>
         private Vector2? referenceOrigin;
 
+        public override bool HandleReverse()
+        {
+            var hitObjects = selectedMovableObjects;
+
+            double endTime = hitObjects.Max(h => h.GetEndTime());
+            double startTime = hitObjects.Min(h => h.StartTime);
+
+            bool moreThanOneObject = hitObjects.Length > 1;
+
+            foreach (var h in hitObjects)
+            {
+                if (moreThanOneObject)
+                    h.StartTime = endTime - (h.GetEndTime() - startTime);
+
+                if (h is Slider slider)
+                {
+                    var points = slider.Path.ControlPoints.ToArray();
+                    Vector2 endPos = points.Last().Position.Value;
+
+                    slider.Path.ControlPoints.Clear();
+
+                    slider.Position += endPos;
+
+                    PathType? lastType = null;
+
+                    for (var i = 0; i < points.Length; i++)
+                    {
+                        var p = points[i];
+                        p.Position.Value -= endPos;
+
+                        // propagate types forwards to last null type
+                        if (i == points.Length - 1)
+                            p.Type.Value = lastType;
+                        else if (p.Type.Value != null)
+                        {
+                            var newType = p.Type.Value;
+                            p.Type.Value = lastType;
+                            lastType = newType;
+                        }
+
+                        slider.Path.ControlPoints.Insert(0, p);
+                    }
+                }
+            }
+
+            return true;
+        }
+
         public override bool HandleFlip(Direction direction)
         {
             var hitObjects = selectedMovableObjects;

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

@@ -42,7 +42,11 @@ namespace osu.Game.Rulesets.Osu.Mods
         private double lastSliderHeadFadeOutStartTime;
         private double lastSliderHeadFadeOutDuration;
 
-        protected override void ApplyHiddenState(DrawableHitObject drawable, ArmedState state)
+        protected override void ApplyFirstObjectIncreaseVisibilityState(DrawableHitObject drawable, ArmedState state) => applyState(drawable, true);
+
+        protected override void ApplyHiddenState(DrawableHitObject drawable, ArmedState state) => applyState(drawable, false);
+
+        private void applyState(DrawableHitObject drawable, bool increaseVisibility)
         {
             if (!(drawable is DrawableOsuHitObject d))
                 return;
@@ -86,14 +90,23 @@ namespace osu.Game.Rulesets.Osu.Mods
                         lastSliderHeadFadeOutStartTime = fadeOutStartTime;
                     }
 
-                    // we don't want to see the approach circle
-                    using (circle.BeginAbsoluteSequence(h.StartTime - h.TimePreempt, true))
-                        circle.ApproachCircle.Hide();
+                    Drawable fadeTarget = circle;
+
+                    if (increaseVisibility)
+                    {
+                        // only fade the circle piece (not the approach circle) for the increased visibility object.
+                        fadeTarget = circle.CirclePiece;
+                    }
+                    else
+                    {
+                        // we don't want to see the approach circle
+                        using (circle.BeginAbsoluteSequence(h.StartTime - h.TimePreempt, true))
+                            circle.ApproachCircle.Hide();
+                    }
 
                     // fade out immediately after fade in.
                     using (drawable.BeginAbsoluteSequence(fadeOutStartTime, true))
-                        circle.FadeOut(fadeOutDuration);
-
+                        fadeTarget.FadeOut(fadeOutDuration);
                     break;
 
                 case DrawableSlider slider:

osu.Game.Rulesets.Osu/OsuRuleset.cs

@@ -191,6 +191,41 @@ namespace osu.Game.Rulesets.Osu
 
         public override IRulesetConfigManager CreateConfig(SettingsStore settings) => new OsuRulesetConfigManager(settings, RulesetInfo);
 
+        protected override IEnumerable<HitResult> GetValidHitResults()
+        {
+            return new[]
+            {
+                HitResult.Great,
+                HitResult.Ok,
+                HitResult.Meh,
+
+                HitResult.LargeTickHit,
+                HitResult.SmallTickHit,
+                HitResult.SmallBonus,
+                HitResult.LargeBonus,
+            };
+        }
+
+        public override string GetDisplayNameForHitResult(HitResult result)
+        {
+            switch (result)
+            {
+                case HitResult.LargeTickHit:
+                    return "slider tick";
+
+                case HitResult.SmallTickHit:
+                    return "slider end";
+
+                case HitResult.SmallBonus:
+                    return "spinner spin";
+
+                case HitResult.LargeBonus:
+                    return "spinner bonus";
+            }
+
+            return base.GetDisplayNameForHitResult(result);
+        }
+
         public override StatisticRow[] CreateStatisticsForScore(ScoreInfo score, IBeatmap playableBeatmap)
         {
             var timedHitEvents = score.HitEvents.Where(e => e.HitObject is HitCircle && !(e.HitObject is SliderTailCircle)).ToList();

osu.Game.Rulesets.Taiko/Beatmaps/TaikoBeatmapConverter.cs

@@ -65,7 +65,7 @@ namespace osu.Game.Rulesets.Taiko.Beatmaps
                 converted.HitObjects = converted.HitObjects.GroupBy(t => t.StartTime).Select(x =>
                 {
                     TaikoHitObject first = x.First();
-                    if (x.Skip(1).Any() && !(first is Swell))
+                    if (x.Skip(1).Any() && first.CanBeStrong)
                         first.IsStrong = true;
                     return first;
                 }).ToList();

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

@@ -54,30 +54,30 @@ namespace osu.Game.Rulesets.Taiko.Edit
         {
             var hits = EditorBeatmap.SelectedHitObjects.OfType<Hit>();
 
-            ChangeHandler.BeginChange();
+            EditorBeatmap.BeginChange();
 
             foreach (var h in hits)
             {
                 if (h.IsStrong != state)
                 {
                     h.IsStrong = state;
-                    EditorBeatmap.UpdateHitObject(h);
+                    EditorBeatmap.Update(h);
                 }
             }
 
-            ChangeHandler.EndChange();
+            EditorBeatmap.EndChange();
         }
 
         public void SetRimState(bool state)
         {
             var hits = EditorBeatmap.SelectedHitObjects.OfType<Hit>();
 
-            ChangeHandler.BeginChange();
+            EditorBeatmap.BeginChange();
 
             foreach (var h in hits)
                 h.Type = state ? HitType.Rim : HitType.Centre;
 
-            ChangeHandler.EndChange();
+            EditorBeatmap.EndChange();
         }
 
         protected override IEnumerable<MenuItem> GetContextMenuItemsForSelection(IEnumerable<SelectionBlueprint> selection)
@@ -89,6 +89,8 @@ namespace osu.Game.Rulesets.Taiko.Edit
                 yield return new TernaryStateMenuItem("Strong") { State = { BindTarget = selectionStrongState } };
         }
 
+        public override bool HandleMovement(MoveSelectionEvent moveEvent) => true;
+
         protected override void UpdateTernaryStates()
         {
             base.UpdateTernaryStates();

osu.Game.Rulesets.Taiko/Objects/Drawables/DrawableTaikoHitObject.cs

@@ -158,7 +158,8 @@ namespace osu.Game.Rulesets.Taiko.Objects.Drawables
         {
             base.LoadSamples();
 
-            isStrong.Value = getStrongSamples().Any();
+            if (HitObject.CanBeStrong)
+                isStrong.Value = getStrongSamples().Any();
         }
 
         private void updateSamplesFromStrong()

osu.Game.Rulesets.Taiko/Objects/Swell.cs

@@ -17,6 +17,8 @@ namespace osu.Game.Rulesets.Taiko.Objects
             set => Duration = value - StartTime;
         }
 
+        public override bool CanBeStrong => false;
+
         public double Duration { get; set; }
 
         /// <summary>

osu.Game.Rulesets.Taiko/Objects/TaikoHitObject.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.Threading;
 using osu.Framework.Bindables;
 using osu.Game.Rulesets.Judgements;
@@ -30,6 +31,11 @@ namespace osu.Game.Rulesets.Taiko.Objects
 
         public readonly Bindable<bool> IsStrongBindable = new BindableBool();
 
+        /// <summary>
+        /// Whether this <see cref="TaikoHitObject"/> can be made a "strong" (large) hit.
+        /// </summary>
+        public virtual bool CanBeStrong => true;
+
         /// <summary>
         /// Whether this HitObject is a "strong" type.
         /// Strong hit objects give more points for hitting the hit object with both keys.
@@ -37,7 +43,13 @@ namespace osu.Game.Rulesets.Taiko.Objects
         public bool IsStrong
         {
             get => IsStrongBindable.Value;
-            set => IsStrongBindable.Value = value;
+            set
+            {
+                if (value && !CanBeStrong)
+                    throw new InvalidOperationException($"Object of type {GetType()} cannot be strong");
+
+                IsStrongBindable.Value = value;
+            }
         }
 
         protected override void CreateNestedHitObjects(CancellationToken cancellationToken)

osu.Game.Rulesets.Taiko/TaikoRuleset.cs

@@ -159,6 +159,33 @@ namespace osu.Game.Rulesets.Taiko
 
         public override IConvertibleReplayFrame CreateConvertibleReplayFrame() => new TaikoReplayFrame();
 
+        protected override IEnumerable<HitResult> GetValidHitResults()
+        {
+            return new[]
+            {
+                HitResult.Great,
+                HitResult.Ok,
+
+                HitResult.SmallTickHit,
+
+                HitResult.SmallBonus,
+            };
+        }
+
+        public override string GetDisplayNameForHitResult(HitResult result)
+        {
+            switch (result)
+            {
+                case HitResult.SmallTickHit:
+                    return "drum tick";
+
+                case HitResult.SmallBonus:
+                    return "strong bonus";
+            }
+
+            return base.GetDisplayNameForHitResult(result);
+        }
+
         public override StatisticRow[] CreateStatisticsForScore(ScoreInfo score, IBeatmap playableBeatmap)
         {
             var timedHitEvents = score.HitEvents.Where(e => e.HitObject is Hit).ToList();

osu.Game.Tests/Editing/TransactionalCommitComponentTest.cs

@@ -0,0 +1,100 @@
+// 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 NUnit.Framework;
+using osu.Game.Screens.Edit;
+
+namespace osu.Game.Tests.Editing
+{
+    [TestFixture]
+    public class TransactionalCommitComponentTest
+    {
+        private TestHandler handler;
+
+        [SetUp]
+        public void SetUp()
+        {
+            handler = new TestHandler();
+        }
+
+        [Test]
+        public void TestCommitTransaction()
+        {
+            Assert.That(handler.StateUpdateCount, Is.EqualTo(0));
+
+            handler.BeginChange();
+            Assert.That(handler.StateUpdateCount, Is.EqualTo(0));
+            handler.EndChange();
+
+            Assert.That(handler.StateUpdateCount, Is.EqualTo(1));
+        }
+
+        [Test]
+        public void TestSaveOutsideOfTransactionTriggersUpdates()
+        {
+            Assert.That(handler.StateUpdateCount, Is.EqualTo(0));
+
+            handler.SaveState();
+            Assert.That(handler.StateUpdateCount, Is.EqualTo(1));
+
+            handler.SaveState();
+            Assert.That(handler.StateUpdateCount, Is.EqualTo(2));
+        }
+
+        [Test]
+        public void TestEventsFire()
+        {
+            int transactionBegan = 0;
+            int transactionEnded = 0;
+            int stateSaved = 0;
+
+            handler.TransactionBegan += () => transactionBegan++;
+            handler.TransactionEnded += () => transactionEnded++;
+            handler.SaveStateTriggered += () => stateSaved++;
+
+            handler.BeginChange();
+            Assert.That(transactionBegan, Is.EqualTo(1));
+
+            handler.EndChange();
+            Assert.That(transactionEnded, Is.EqualTo(1));
+
+            Assert.That(stateSaved, Is.EqualTo(0));
+            handler.SaveState();
+            Assert.That(stateSaved, Is.EqualTo(1));
+        }
+
+        [Test]
+        public void TestSaveDuringTransactionDoesntTriggerUpdate()
+        {
+            Assert.That(handler.StateUpdateCount, Is.EqualTo(0));
+
+            handler.BeginChange();
+
+            handler.SaveState();
+            Assert.That(handler.StateUpdateCount, Is.EqualTo(0));
+
+            handler.EndChange();
+
+            Assert.That(handler.StateUpdateCount, Is.EqualTo(1));
+        }
+
+        [Test]
+        public void TestEndWithoutBeginThrows()
+        {
+            handler.BeginChange();
+            handler.EndChange();
+            Assert.That(() => handler.EndChange(), Throws.TypeOf<InvalidOperationException>());
+        }
+
+        private class TestHandler : TransactionalCommitComponent
+        {
+            public int StateUpdateCount { get; private set; }
+
+            protected override void UpdateState()
+            {
+                StateUpdateCount++;
+            }
+        }
+    }
+}

osu.Game.Tests/Visual/Background/TestSceneUserDimBackgrounds.cs

@@ -193,6 +193,7 @@ namespace osu.Game.Tests.Visual.Background
 
             AddStep("Transition to Results", () => player.Push(results = new FadeAccessibleResults(new ScoreInfo
             {
+                Ruleset = new OsuRuleset().RulesetInfo,
                 User = new User { Username = "osu!" },
                 Beatmap = new TestBeatmap(new OsuRuleset().RulesetInfo).BeatmapInfo
             })));

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

@@ -5,7 +5,6 @@ using NUnit.Framework;
 using osu.Framework.Allocation;
 using osu.Framework.Graphics;
 using osu.Game.Screens.Edit.Compose.Components;
-using osu.Game.Screens.Edit.Compose.Components.Timeline;
 using osuTK;
 
 namespace osu.Game.Tests.Visual.Editing
@@ -13,7 +12,7 @@ namespace osu.Game.Tests.Visual.Editing
     [TestFixture]
     public class TestSceneTimelineTickDisplay : TimelineTestScene
     {
-        public override Drawable CreateTestComponent() => new TimelineTickDisplay();
+        public override Drawable CreateTestComponent() => Empty(); // tick display is implicitly inside the timeline.
 
         [BackgroundDependencyLoader]
         private void load()

osu.Game.Tests/Visual/Editing/TestSceneWaveform.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.Threading;
 using NUnit.Framework;
 using osu.Framework.Allocation;
 using osu.Framework.Audio;
@@ -76,7 +77,7 @@ namespace osu.Game.Tests.Visual.Editing
                 };
             });
 
-            AddUntilStep("wait for load", () => graph.ResampledWaveform != null);
+            AddUntilStep("wait for load", () => graph.Loaded.IsSet);
         }
 
         [Test]
@@ -98,12 +99,18 @@ namespace osu.Game.Tests.Visual.Editing
                 };
             });
 
-            AddUntilStep("wait for load", () => graph.ResampledWaveform != null);
+            AddUntilStep("wait for load", () => graph.Loaded.IsSet);
         }
 
         public class TestWaveformGraph : WaveformGraph
         {
-            public new Waveform ResampledWaveform => base.ResampledWaveform;
+            public readonly ManualResetEventSlim Loaded = new ManualResetEventSlim();
+
+            protected override void OnWaveformRegenerated(Waveform waveform)
+            {
+                base.OnWaveformRegenerated(waveform);
+                Loaded.Set();
+            }
         }
     }
 }

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

@@ -23,6 +23,12 @@ namespace osu.Game.Tests.Visual.Ranking
             createTest(CreateDistributedHitEvents());
         }
 
+        [Test]
+        public void TestAroundCentre()
+        {
+            createTest(Enumerable.Range(-150, 300).Select(i => new HitEvent(i / 50f, HitResult.Perfect, new HitCircle(), new HitCircle(), null)).ToList());
+        }
+
         [Test]
         public void TestZeroTimeOffset()
         {

osu.Game/Overlays/BeatmapSet/Scores/ScoreTable.cs

@@ -60,7 +60,7 @@ namespace osu.Game.Overlays.BeatmapSet.Scores
         /// <summary>
         /// The statistics that appear in the table, in order of appearance.
         /// </summary>
-        private readonly List<HitResult> statisticResultTypes = new List<HitResult>();
+        private readonly List<(HitResult result, string displayName)> statisticResultTypes = new List<(HitResult, string)>();
 
         private bool showPerformancePoints;
 
@@ -101,15 +101,24 @@ namespace osu.Game.Overlays.BeatmapSet.Scores
             };
 
             // All statistics across all scores, unordered.
-            var allScoreStatistics = scores.SelectMany(s => s.GetStatisticsForDisplay().Select(stat => stat.result)).ToHashSet();
+            var allScoreStatistics = scores.SelectMany(s => s.GetStatisticsForDisplay().Select(stat => stat.Result)).ToHashSet();
+
+            var ruleset = scores.First().Ruleset.CreateInstance();
 
             foreach (var result in OrderAttributeUtils.GetValuesInOrder<HitResult>())
             {
                 if (!allScoreStatistics.Contains(result))
                     continue;
 
-                columns.Add(new TableColumn(result.GetDescription(), Anchor.CentreLeft, new Dimension(GridSizeMode.Distributed, minSize: 35, maxSize: 60)));
-                statisticResultTypes.Add(result);
+                // for the time being ignore bonus result types.
+                // this is not being sent from the API and will be empty in all cases.
+                if (result.IsBonus())
+                    continue;
+
+                string displayName = ruleset.GetDisplayNameForHitResult(result);
+
+                columns.Add(new TableColumn(displayName, Anchor.CentreLeft, new Dimension(GridSizeMode.Distributed, minSize: 35, maxSize: 60)));
+                statisticResultTypes.Add((result, displayName));
             }
 
             if (showPerformancePoints)
@@ -163,18 +172,18 @@ namespace osu.Game.Overlays.BeatmapSet.Scores
                 }
             };
 
-            var availableStatistics = score.GetStatisticsForDisplay().ToDictionary(tuple => tuple.result);
+            var availableStatistics = score.GetStatisticsForDisplay().ToDictionary(tuple => tuple.Result);
 
             foreach (var result in statisticResultTypes)
             {
-                if (!availableStatistics.TryGetValue(result, out var stat))
-                    stat = (result, 0, null);
+                if (!availableStatistics.TryGetValue(result.result, out var stat))
+                    stat = new HitResultDisplayStatistic(result.result, 0, null, result.displayName);
 
                 content.Add(new OsuSpriteText
                 {
-                    Text = stat.maxCount == null ? $"{stat.count}" : $"{stat.count}/{stat.maxCount}",
+                    Text = stat.MaxCount == null ? $"{stat.Count}" : $"{stat.Count}/{stat.MaxCount}",
                     Font = OsuFont.GetFont(size: text_size),
-                    Colour = stat.count == 0 ? Color4.Gray : Color4.White
+                    Colour = stat.Count == 0 ? Color4.Gray : Color4.White
                 });
             }
 

osu.Game/Overlays/BeatmapSet/Scores/TopScoreStatisticsSection.cs

@@ -5,7 +5,6 @@ using System.Collections.Generic;
 using System.Linq;
 using osu.Framework.Allocation;
 using osu.Framework.Bindables;
-using osu.Framework.Extensions;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Shapes;
@@ -15,7 +14,6 @@ using osu.Game.Beatmaps;
 using osu.Game.Graphics;
 using osu.Game.Graphics.Sprites;
 using osu.Game.Rulesets.Mods;
-using osu.Game.Rulesets.Scoring;
 using osu.Game.Rulesets.UI;
 using osu.Game.Scoring;
 using osuTK;
@@ -117,7 +115,7 @@ namespace osu.Game.Overlays.BeatmapSet.Scores
                 ppColumn.Alpha = value.Beatmap?.Status == BeatmapSetOnlineStatus.Ranked ? 1 : 0;
                 ppColumn.Text = $@"{value.PP:N0}";
 
-                statisticsColumns.ChildrenEnumerable = value.GetStatisticsForDisplay().Select(s => createStatisticsColumn(s.result, s.count, s.maxCount));
+                statisticsColumns.ChildrenEnumerable = value.GetStatisticsForDisplay().Select(createStatisticsColumn);
                 modsColumn.Mods = value.Mods;
 
                 if (scoreManager != null)
@@ -125,9 +123,9 @@ namespace osu.Game.Overlays.BeatmapSet.Scores
             }
         }
 
-        private TextColumn createStatisticsColumn(HitResult hitResult, int count, int? maxCount) => new TextColumn(hitResult.GetDescription(), smallFont, bottom_columns_min_width)
+        private TextColumn createStatisticsColumn(HitResultDisplayStatistic stat) => new TextColumn(stat.DisplayName, smallFont, bottom_columns_min_width)
         {
-            Text = maxCount == null ? $"{count}" : $"{count}/{maxCount}"
+            Text = stat.MaxCount == null ? $"{stat.Count}" : $"{stat.Count}/{stat.MaxCount}"
         };
 
         private class InfoColumn : CompositeDrawable

osu.Game/Overlays/MusicController.cs

@@ -150,7 +150,7 @@ namespace osu.Game.Overlays
         {
             if (IsUserPaused) return;
 
-            if (CurrentTrack.IsDummyDevice)
+            if (CurrentTrack.IsDummyDevice || beatmap.Value.BeatmapSetInfo.DeletePending)
             {
                 if (beatmap.Disabled)
                     return;

osu.Game/Overlays/Settings/Sections/General/UpdateSettings.cs

@@ -4,9 +4,11 @@
 using System.Threading.Tasks;
 using osu.Framework;
 using osu.Framework.Allocation;
+using osu.Framework.Graphics.Sprites;
 using osu.Framework.Platform;
 using osu.Framework.Screens;
 using osu.Game.Configuration;
+using osu.Game.Overlays.Notifications;
 using osu.Game.Overlays.Settings.Sections.Maintenance;
 using osu.Game.Updater;
 
@@ -21,6 +23,9 @@ namespace osu.Game.Overlays.Settings.Sections.General
 
         private SettingsButton checkForUpdatesButton;
 
+        [Resolved(CanBeNull = true)]
+        private NotificationOverlay notifications { get; set; }
+
         [BackgroundDependencyLoader(true)]
         private void load(Storage storage, OsuConfigManager config, OsuGame game)
         {
@@ -38,7 +43,19 @@ namespace osu.Game.Overlays.Settings.Sections.General
                     Action = () =>
                     {
                         checkForUpdatesButton.Enabled.Value = false;
-                        Task.Run(updateManager.CheckForUpdateAsync).ContinueWith(t => Schedule(() => checkForUpdatesButton.Enabled.Value = true));
+                        Task.Run(updateManager.CheckForUpdateAsync).ContinueWith(t => Schedule(() =>
+                        {
+                            if (!t.Result)
+                            {
+                                notifications?.Post(new SimpleNotification
+                                {
+                                    Text = $"You are running the latest release ({game.Version})",
+                                    Icon = FontAwesome.Solid.CheckCircle,
+                                });
+                            }
+
+                            checkForUpdatesButton.Enabled.Value = true;
+                        }));
                     }
                 });
             }

osu.Game/Rulesets/Edit/SelectionBlueprint.cs

@@ -89,9 +89,23 @@ namespace osu.Game.Rulesets.Edit
             }
         }
 
-        protected virtual void OnDeselected() => Hide();
+        protected virtual void OnDeselected()
+        {
+            // selection blueprints are AlwaysPresent while the related DrawableHitObject is visible
+            // set the body piece's alpha directly to avoid arbitrarily rendering frame buffers etc. of children.
+            foreach (var d in InternalChildren)
+                d.Hide();
 
-        protected virtual void OnSelected() => Show();
+            Hide();
+        }
+
+        protected virtual void OnSelected()
+        {
+            foreach (var d in InternalChildren)
+                d.Show();
+
+            Show();
+        }
 
         // When not selected, input is only required for the blueprint itself to receive IsHovering
         protected override bool ShouldBeConsideredForInput(Drawable child) => State == SelectionState.Selected;

osu.Game/Rulesets/Mods/ModHidden.cs

@@ -38,7 +38,15 @@ namespace osu.Game.Rulesets.Mods
         public virtual void ApplyToDrawableHitObjects(IEnumerable<DrawableHitObject> drawables)
         {
             if (IncreaseFirstObjectVisibility.Value)
-                drawables = drawables.SkipWhile(h => !IsFirstHideableObject(h)).Skip(1);
+            {
+                drawables = drawables.SkipWhile(h => !IsFirstHideableObject(h));
+
+                var firstObject = drawables.FirstOrDefault();
+                if (firstObject != null)
+                    firstObject.ApplyCustomUpdateState += ApplyFirstObjectIncreaseVisibilityState;
+
+                drawables = drawables.Skip(1);
+            }
 
             foreach (var dho in drawables)
                 dho.ApplyCustomUpdateState += ApplyHiddenState;
@@ -65,6 +73,20 @@ namespace osu.Game.Rulesets.Mods
             }
         }
 
+        /// <summary>
+        /// Apply a special visibility state to the first object in a beatmap, if the user chooses to turn on the "increase first object visibility" setting.
+        /// </summary>
+        /// <param name="hitObject">The hit object to apply the state change to.</param>
+        /// <param name="state">The state of the hit object.</param>
+        protected virtual void ApplyFirstObjectIncreaseVisibilityState(DrawableHitObject hitObject, ArmedState state)
+        {
+        }
+
+        /// <summary>
+        /// Apply a hidden state to the provided object.
+        /// </summary>
+        /// <param name="hitObject">The hit object to apply the state change to.</param>
+        /// <param name="state">The state of the hit object.</param>
         protected virtual void ApplyHiddenState(DrawableHitObject hitObject, ArmedState state)
         {
         }

osu.Game/Rulesets/Objects/SliderPath.cs

@@ -57,6 +57,7 @@ namespace osu.Game.Rulesets.Objects
                             c.Changed += invalidate;
                         break;
 
+                    case NotifyCollectionChangedAction.Reset:
                     case NotifyCollectionChangedAction.Remove:
                         foreach (var c in args.OldItems.Cast<PathControlPoint>())
                             c.Changed -= invalidate;

osu.Game/Rulesets/Ruleset.cs

@@ -23,8 +23,10 @@ using osu.Game.Scoring;
 using osu.Game.Skinning;
 using osu.Game.Users;
 using JetBrains.Annotations;
+using osu.Framework.Extensions;
 using osu.Framework.Testing;
 using osu.Game.Screens.Ranking.Statistics;
+using osu.Game.Utils;
 
 namespace osu.Game.Rulesets
 {
@@ -241,5 +243,52 @@ namespace osu.Game.Rulesets
         /// <returns>The <see cref="StatisticRow"/>s to display. Each <see cref="StatisticRow"/> may contain 0 or more <see cref="StatisticItem"/>.</returns>
         [NotNull]
         public virtual StatisticRow[] CreateStatisticsForScore(ScoreInfo score, IBeatmap playableBeatmap) => Array.Empty<StatisticRow>();
+
+        /// <summary>
+        /// Get all valid <see cref="HitResult"/>s for this ruleset.
+        /// Generally used for results display purposes, where it can't be determined if zero-count means the user has not achieved any or the type is not used by this ruleset.
+        /// </summary>
+        /// <returns>
+        /// All valid <see cref="HitResult"/>s along with a display-friendly name.
+        /// </returns>
+        public IEnumerable<(HitResult result, string displayName)> GetHitResults()
+        {
+            var validResults = GetValidHitResults();
+
+            // enumerate over ordered list to guarantee return order is stable.
+            foreach (var result in OrderAttributeUtils.GetValuesInOrder<HitResult>())
+            {
+                switch (result)
+                {
+                    // hard blocked types, should never be displayed even if the ruleset tells us to.
+                    case HitResult.None:
+                    case HitResult.IgnoreHit:
+                    case HitResult.IgnoreMiss:
+                    // display is handled as a completion count with corresponding "hit" type.
+                    case HitResult.LargeTickMiss:
+                    case HitResult.SmallTickMiss:
+                        continue;
+                }
+
+                if (result == HitResult.Miss || validResults.Contains(result))
+                    yield return (result, GetDisplayNameForHitResult(result));
+            }
+        }
+
+        /// <summary>
+        /// Get all valid <see cref="HitResult"/>s for this ruleset.
+        /// Generally used for results display purposes, where it can't be determined if zero-count means the user has not achieved any or the type is not used by this ruleset.
+        /// </summary>
+        /// <remarks>
+        /// <see cref="HitResult.Miss"/> is implicitly included. Special types like <see cref="HitResult.IgnoreHit"/> are ignored even when specified.
+        /// </remarks>
+        protected virtual IEnumerable<HitResult> GetValidHitResults() => OrderAttributeUtils.GetValuesInOrder<HitResult>();
+
+        /// <summary>
+        /// Get a display friendly name for the specified result type.
+        /// </summary>
+        /// <param name="result">The result type to get the name for.</param>
+        /// <returns>The display name.</returns>
+        public virtual string GetDisplayNameForHitResult(HitResult result) => result.GetDescription();
     }
 }

osu.Game/Scoring/HitResultDisplayStatistic.cs

@@ -0,0 +1,41 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using osu.Game.Rulesets.Scoring;
+
+namespace osu.Game.Scoring
+{
+    /// <summary>
+    /// Compiled result data for a specific <see cref="HitResult"/> in a score.
+    /// </summary>
+    public class HitResultDisplayStatistic
+    {
+        /// <summary>
+        /// The associated result type.
+        /// </summary>
+        public HitResult Result { get; }
+
+        /// <summary>
+        /// The count of successful hits of this type.
+        /// </summary>
+        public int Count { get; }
+
+        /// <summary>
+        /// The maximum achievable hits of this type. May be null if undetermined.
+        /// </summary>
+        public int? MaxCount { get; }
+
+        /// <summary>
+        /// A custom display name for the result type. May be provided by rulesets to give better clarity.
+        /// </summary>
+        public string DisplayName { get; }
+
+        public HitResultDisplayStatistic(HitResult result, int count, int? maxCount, string displayName)
+        {
+            Result = result;
+            Count = count;
+            MaxCount = maxCount;
+            DisplayName = displayName;
+        }
+    }
+}

osu.Game/Scoring/ScoreInfo.cs

@@ -213,22 +213,19 @@ namespace osu.Game.Scoring
             set => isLegacyScore = value;
         }
 
-        public IEnumerable<(HitResult result, int count, int? maxCount)> GetStatisticsForDisplay()
+        public IEnumerable<HitResultDisplayStatistic> GetStatisticsForDisplay()
         {
-            foreach (var key in OrderAttributeUtils.GetValuesInOrder<HitResult>())
+            foreach (var r in Ruleset.CreateInstance().GetHitResults())
             {
-                if (key.IsBonus())
-                    continue;
+                int value = Statistics.GetOrDefault(r.result);
 
-                int value = Statistics.GetOrDefault(key);
-
-                switch (key)
+                switch (r.result)
                 {
                     case HitResult.SmallTickHit:
                     {
                         int total = value + Statistics.GetOrDefault(HitResult.SmallTickMiss);
                         if (total > 0)
-                            yield return (key, value, total);
+                            yield return new HitResultDisplayStatistic(r.result, value, total, r.displayName);
 
                         break;
                     }
@@ -237,7 +234,7 @@ namespace osu.Game.Scoring
                     {
                         int total = value + Statistics.GetOrDefault(HitResult.LargeTickMiss);
                         if (total > 0)
-                            yield return (key, value, total);
+                            yield return new HitResultDisplayStatistic(r.result, value, total, r.displayName);
 
                         break;
                     }
@@ -247,8 +244,7 @@ namespace osu.Game.Scoring
                         break;
 
                     default:
-                        if (value > 0 || key == HitResult.Miss)
-                            yield return (key, value, null);
+                        yield return new HitResultDisplayStatistic(r.result, value, null, r.displayName);
 
                         break;
                 }

osu.Game/Screens/Edit/Components/Timelines/Summary/Visualisations/PointVisualisation.cs

@@ -1,9 +1,9 @@
 // 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 osuTK;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Shapes;
+using osuTK;
 
 namespace osu.Game.Screens.Edit.Components.Timelines.Summary.Visualisations
 {
@@ -12,16 +12,23 @@ namespace osu.Game.Screens.Edit.Components.Timelines.Summary.Visualisations
     /// </summary>
     public class PointVisualisation : Box
     {
+        public const float WIDTH = 1;
+
         public PointVisualisation(double startTime)
+            : this()
+        {
+            X = (float)startTime;
+        }
+
+        public PointVisualisation()
         {
             Origin = Anchor.TopCentre;
 
-            RelativeSizeAxes = Axes.Y;
-            Width = 1;
-            EdgeSmoothness = new Vector2(1, 0);
-
             RelativePositionAxes = Axes.X;
-            X = (float)startTime;
+            RelativeSizeAxes = Axes.Y;
+
+            Width = WIDTH;
+            EdgeSmoothness = new Vector2(WIDTH, 0);
         }
     }
 }

osu.Game/Screens/Edit/Compose/Components/BlueprintContainer.cs

@@ -203,7 +203,7 @@ namespace osu.Game.Screens.Edit.Compose.Components
             {
                 // handle positional change etc.
                 foreach (var obj in selectedHitObjects)
-                    Beatmap.UpdateHitObject(obj);
+                    Beatmap.Update(obj);
 
                 changeHandler?.EndChange();
                 isDraggingBlueprint = false;
@@ -436,8 +436,12 @@ namespace osu.Game.Screens.Edit.Compose.Components
             {
                 // Apply the start time at the newly snapped-to position
                 double offset = result.Time.Value - draggedObject.StartTime;
+
                 foreach (HitObject obj in Beatmap.SelectedHitObjects)
+                {
                     obj.StartTime += offset;
+                    Beatmap.Update(obj);
+                }
             }
 
             return true;

osu.Game/Screens/Edit/Compose/Components/ComposeBlueprintContainer.cs

@@ -201,7 +201,12 @@ namespace osu.Game.Screens.Edit.Compose.Components
         protected override void AddBlueprintFor(HitObject hitObject)
         {
             refreshTool();
+
             base.AddBlueprintFor(hitObject);
+
+            // on successful placement, the new combo button should be reset as this is the most common user interaction.
+            if (Beatmap.SelectedHitObjects.Count == 0)
+                NewCombo.Value = TernaryState.False;
         }
 
         private void createPlacement()

osu.Game/Screens/Edit/Compose/Components/SelectionBox.cs

@@ -17,10 +17,28 @@ namespace osu.Game.Screens.Edit.Compose.Components
         public Action<float> OnRotation;
         public Action<Vector2, Anchor> OnScale;
         public Action<Direction> OnFlip;
+        public Action OnReverse;
 
         public Action OperationStarted;
         public Action OperationEnded;
 
+        private bool canReverse;
+
+        /// <summary>
+        /// Whether pattern reversing support should be enabled.
+        /// </summary>
+        public bool CanReverse
+        {
+            get => canReverse;
+            set
+            {
+                if (canReverse == value) return;
+
+                canReverse = value;
+                recreate();
+            }
+        }
+
         private bool canRotate;
 
         /// <summary>
@@ -125,6 +143,7 @@ namespace osu.Game.Screens.Edit.Compose.Components
             if (CanScaleX && CanScaleY) addFullScaleComponents();
             if (CanScaleY) addYScaleComponents();
             if (CanRotate) addRotationComponents();
+            if (CanReverse) addButton(FontAwesome.Solid.Backward, "Reverse pattern", () => OnReverse?.Invoke());
         }
 
         private void addRotationComponents()

osu.Game/Screens/Edit/Compose/Components/SelectionHandler.cs

@@ -101,6 +101,7 @@ namespace osu.Game.Screens.Edit.Compose.Components
                 OnRotation = angle => HandleRotation(angle),
                 OnScale = (amount, anchor) => HandleScale(amount, anchor),
                 OnFlip = direction => HandleFlip(direction),
+                OnReverse = () => HandleReverse(),
             };
 
         /// <summary>
@@ -139,7 +140,7 @@ namespace osu.Game.Screens.Edit.Compose.Components
         /// Handles the selected <see cref="DrawableHitObject"/>s being rotated.
         /// </summary>
         /// <param name="angle">The delta angle to apply to the selection.</param>
-        /// <returns>Whether any <see cref="DrawableHitObject"/>s could be moved.</returns>
+        /// <returns>Whether any <see cref="DrawableHitObject"/>s could be rotated.</returns>
         public virtual bool HandleRotation(float angle) => false;
 
         /// <summary>
@@ -147,16 +148,22 @@ namespace osu.Game.Screens.Edit.Compose.Components
         /// </summary>
         /// <param name="scale">The delta scale to apply, in playfield local coordinates.</param>
         /// <param name="anchor">The point of reference where the scale is originating from.</param>
-        /// <returns>Whether any <see cref="DrawableHitObject"/>s could be moved.</returns>
+        /// <returns>Whether any <see cref="DrawableHitObject"/>s could be scaled.</returns>
         public virtual bool HandleScale(Vector2 scale, Anchor anchor) => false;
 
         /// <summary>
-        /// Handled the selected <see cref="DrawableHitObject"/>s being flipped.
+        /// Handles the selected <see cref="DrawableHitObject"/>s being flipped.
         /// </summary>
         /// <param name="direction">The direction to flip</param>
-        /// <returns>Whether any <see cref="DrawableHitObject"/>s could be moved.</returns>
+        /// <returns>Whether any <see cref="DrawableHitObject"/>s could be flipped.</returns>
         public virtual bool HandleFlip(Direction direction) => false;
 
+        /// <summary>
+        /// Handles the selected <see cref="DrawableHitObject"/>s being reversed pattern-wise.
+        /// </summary>
+        /// <returns>Whether any <see cref="DrawableHitObject"/>s could be reversed.</returns>
+        public virtual bool HandleReverse() => false;
+
         public bool OnPressed(PlatformAction action)
         {
             switch (action.ActionMethod)
@@ -236,9 +243,7 @@ namespace osu.Game.Screens.Edit.Compose.Components
 
         private void deleteSelected()
         {
-            ChangeHandler?.BeginChange();
             EditorBeatmap?.RemoveRange(selectedBlueprints.Select(b => b.HitObject));
-            ChangeHandler?.EndChange();
         }
 
         #endregion
@@ -305,7 +310,7 @@ namespace osu.Game.Screens.Edit.Compose.Components
         /// <param name="sampleName">The name of the hit sample.</param>
         public void AddHitSample(string sampleName)
         {
-            ChangeHandler?.BeginChange();
+            EditorBeatmap?.BeginChange();
 
             foreach (var h in EditorBeatmap.SelectedHitObjects)
             {
@@ -316,7 +321,7 @@ namespace osu.Game.Screens.Edit.Compose.Components
                 h.Samples.Add(new HitSampleInfo { Name = sampleName });
             }
 
-            ChangeHandler?.EndChange();
+            EditorBeatmap?.EndChange();
         }
 
         /// <summary>
@@ -326,7 +331,7 @@ namespace osu.Game.Screens.Edit.Compose.Components
         /// <exception cref="InvalidOperationException">Throws if any selected object doesn't implement <see cref="IHasComboInformation"/></exception>
         public void SetNewCombo(bool state)
         {
-            ChangeHandler?.BeginChange();
+            EditorBeatmap?.BeginChange();
 
             foreach (var h in EditorBeatmap.SelectedHitObjects)
             {
@@ -335,10 +340,10 @@ namespace osu.Game.Screens.Edit.Compose.Components
                 if (comboInfo == null || comboInfo.NewCombo == state) continue;
 
                 comboInfo.NewCombo = state;
-                EditorBeatmap?.UpdateHitObject(h);
+                EditorBeatmap?.Update(h);
             }
 
-            ChangeHandler?.EndChange();
+            EditorBeatmap?.EndChange();
         }
 
         /// <summary>
@@ -347,12 +352,12 @@ namespace osu.Game.Screens.Edit.Compose.Components
         /// <param name="sampleName">The name of the hit sample.</param>
         public void RemoveHitSample(string sampleName)
         {
-            ChangeHandler?.BeginChange();
+            EditorBeatmap?.BeginChange();
 
             foreach (var h in EditorBeatmap.SelectedHitObjects)
                 h.SamplesBindable.RemoveAll(s => s.Name == sampleName);
 
-            ChangeHandler?.EndChange();
+            EditorBeatmap?.EndChange();
         }
 
         #endregion

osu.Game/Screens/Edit/Compose/Components/Timeline/TimelineHitObjectBlueprint.cs

@@ -392,6 +392,7 @@ namespace osu.Game.Screens.Edit.Compose.Components.Timeline
                                 return;
 
                             repeatHitObject.RepeatCount = proposedCount;
+                            beatmap.Update(hitObject);
                             break;
 
                         case IHasDuration endTimeHitObject:
@@ -401,10 +402,9 @@ namespace osu.Game.Screens.Edit.Compose.Components.Timeline
                                 return;
 
                             endTimeHitObject.Duration = snappedTime - hitObject.StartTime;
+                            beatmap.Update(hitObject);
                             break;
                     }
-
-                    beatmap.UpdateHitObject(hitObject);
                 }
             }
 

osu.Game/Screens/Edit/Compose/Components/Timeline/TimelineTickDisplay.cs

@@ -1,9 +1,11 @@
 // 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;
+using osu.Framework.Caching;
 using osu.Framework.Graphics;
 using osu.Game.Beatmaps;
 using osu.Game.Graphics;
@@ -12,7 +14,7 @@ using osu.Game.Screens.Edit.Components.Timelines.Summary.Visualisations;
 
 namespace osu.Game.Screens.Edit.Compose.Components.Timeline
 {
-    public class TimelineTickDisplay : TimelinePart
+    public class TimelineTickDisplay : TimelinePart<PointVisualisation>
     {
         [Resolved]
         private EditorBeatmap beatmap { get; set; }
@@ -31,15 +33,63 @@ namespace osu.Game.Screens.Edit.Compose.Components.Timeline
             RelativeSizeAxes = Axes.Both;
         }
 
+        private readonly Cached tickCache = new Cached();
+
         [BackgroundDependencyLoader]
         private void load()
         {
-            beatDivisor.BindValueChanged(_ => createLines(), true);
+            beatDivisor.BindValueChanged(_ => tickCache.Invalidate());
         }
 
-        private void createLines()
+        /// <summary>
+        /// The visible time/position range of the timeline.
+        /// </summary>
+        private (float min, float max) visibleRange = (float.MinValue, float.MaxValue);
+
+        /// <summary>
+        /// The next time/position value to the left of the display when tick regeneration needs to be run.
+        /// </summary>
+        private float? nextMinTick;
+
+        /// <summary>
+        /// The next time/position value to the right of the display when tick regeneration needs to be run.
+        /// </summary>
+        private float? nextMaxTick;
+
+        [Resolved(canBeNull: true)]
+        private Timeline timeline { get; set; }
+
+        protected override void Update()
         {
-            Clear();
+            base.Update();
+
+            if (timeline != null)
+            {
+                var newRange = (
+                    (ToLocalSpace(timeline.ScreenSpaceDrawQuad.TopLeft).X - PointVisualisation.WIDTH * 2) / DrawWidth * Content.RelativeChildSize.X,
+                    (ToLocalSpace(timeline.ScreenSpaceDrawQuad.TopRight).X + PointVisualisation.WIDTH * 2) / DrawWidth * Content.RelativeChildSize.X);
+
+                if (visibleRange != newRange)
+                {
+                    visibleRange = newRange;
+
+                    // actual regeneration only needs to occur if we've passed one of the known next min/max tick boundaries.
+                    if (nextMinTick == null || nextMaxTick == null || (visibleRange.min < nextMinTick || visibleRange.max > nextMaxTick))
+                        tickCache.Invalidate();
+                }
+            }
+
+            if (!tickCache.IsValid)
+                createTicks();
+        }
+
+        private void createTicks()
+        {
+            int drawableIndex = 0;
+            int highestDivisor = BindableBeatDivisor.VALID_DIVISORS.Last();
+
+            nextMinTick = null;
+            nextMaxTick = null;
 
             for (var i = 0; i < beatmap.ControlPointInfo.TimingPoints.Count; i++)
             {
@@ -50,41 +100,70 @@ namespace osu.Game.Screens.Edit.Compose.Components.Timeline
 
                 for (double t = point.Time; t < until; t += point.BeatLength / beatDivisor.Value)
                 {
-                    var indexInBeat = beat % beatDivisor.Value;
+                    float xPos = (float)t;
 
-                    if (indexInBeat == 0)
-                    {
-                        Add(new PointVisualisation(t)
-                        {
-                            Colour = BindableBeatDivisor.GetColourFor(1, colours),
-                            Origin = Anchor.TopCentre,
-                        });
-                    }
+                    if (t < visibleRange.min)
+                        nextMinTick = xPos;
+                    else if (t > visibleRange.max)
+                        nextMaxTick ??= xPos;
                     else
                     {
+                        // if this is the first beat in the beatmap, there is no next min tick
+                        if (beat == 0 && i == 0)
+                            nextMinTick = float.MinValue;
+
+                        var indexInBar = beat % ((int)point.TimeSignature * beatDivisor.Value);
+
                         var divisor = BindableBeatDivisor.GetDivisorForBeatIndex(beat, beatDivisor.Value);
                         var colour = BindableBeatDivisor.GetColourFor(divisor, colours);
-                        var height = 0.1f - (float)divisor / BindableBeatDivisor.VALID_DIVISORS.Last() * 0.08f;
 
-                        Add(new PointVisualisation(t)
-                        {
-                            Colour = colour,
-                            Height = height,
-                            Origin = Anchor.TopCentre,
-                        });
+                        // even though "bar lines" take up the full vertical space, we render them in two pieces because it allows for less anchor/origin churn.
+                        var height = indexInBar == 0 ? 0.5f : 0.1f - (float)divisor / highestDivisor * 0.08f;
 
-                        Add(new PointVisualisation(t)
-                        {
-                            Colour = colour,
-                            Anchor = Anchor.BottomLeft,
-                            Origin = Anchor.BottomCentre,
-                            Height = height,
-                        });
+                        var topPoint = getNextUsablePoint();
+                        topPoint.X = xPos;
+                        topPoint.Colour = colour;
+                        topPoint.Height = height;
+                        topPoint.Anchor = Anchor.TopLeft;
+                        topPoint.Origin = Anchor.TopCentre;
+
+                        var bottomPoint = getNextUsablePoint();
+                        bottomPoint.X = xPos;
+                        bottomPoint.Colour = colour;
+                        bottomPoint.Anchor = Anchor.BottomLeft;
+                        bottomPoint.Origin = Anchor.BottomCentre;
+                        bottomPoint.Height = height;
                     }
 
                     beat++;
                 }
             }
+
+            int usedDrawables = drawableIndex;
+
+            // save a few drawables beyond the currently used for edge cases.
+            while (drawableIndex < Math.Min(usedDrawables + 16, Count))
+                Children[drawableIndex++].Hide();
+
+            // expire any excess
+            while (drawableIndex < Count)
+                Children[drawableIndex++].Expire();
+
+            tickCache.Validate();
+
+            Drawable getNextUsablePoint()
+            {
+                PointVisualisation point;
+                if (drawableIndex >= Count)
+                    Add(point = new PointVisualisation());
+                else
+                    point = Children[drawableIndex];
+
+                drawableIndex++;
+                point.Show();
+
+                return point;
+            }
         }
     }
 }

osu.Game/Screens/Edit/Editor.cs

@@ -469,10 +469,17 @@ namespace osu.Game.Screens.Edit
 
         private void confirmExit()
         {
+            // stop the track if playing to allow the parent screen to choose a suitable playback mode.
+            Beatmap.Value.Track.Stop();
+
             if (isNewBeatmap)
             {
                 // confirming exit without save means we should delete the new beatmap completely.
                 beatmapManager.Delete(playableBeatmap.BeatmapInfo.BeatmapSet);
+
+                // in theory this shouldn't be required but due to EF core not sharing instance states 100%
+                // MusicController is unaware of the changed DeletePending state.
+                Beatmap.SetDefault();
             }
 
             exitConfirmed = true;
@@ -509,14 +516,14 @@ namespace osu.Game.Screens.Edit
             foreach (var h in objects)
                 h.StartTime += timeOffset;
 
-            changeHandler.BeginChange();
+            editorBeatmap.BeginChange();
 
             editorBeatmap.SelectedHitObjects.Clear();
 
             editorBeatmap.AddRange(objects);
             editorBeatmap.SelectedHitObjects.AddRange(objects);
 
-            changeHandler.EndChange();
+            editorBeatmap.EndChange();
         }
 
         protected void Undo() => changeHandler.RestoreState(-1);

osu.Game/Screens/Edit/EditorBeatmap.cs

@@ -8,7 +8,6 @@ using System.Linq;
 using JetBrains.Annotations;
 using osu.Framework.Allocation;
 using osu.Framework.Bindables;
-using osu.Framework.Graphics;
 using osu.Game.Beatmaps;
 using osu.Game.Beatmaps.ControlPoints;
 using osu.Game.Beatmaps.Timing;
@@ -18,7 +17,7 @@ using osu.Game.Skinning;
 
 namespace osu.Game.Screens.Edit
 {
-    public class EditorBeatmap : Component, IBeatmap, IBeatSnapProvider
+    public class EditorBeatmap : TransactionalCommitComponent, IBeatmap, IBeatSnapProvider
     {
         /// <summary>
         /// Invoked when a <see cref="HitObject"/> is added to this <see cref="EditorBeatmap"/>.
@@ -89,9 +88,11 @@ namespace osu.Game.Screens.Edit
 
         private IList mutableHitObjects => (IList)PlayableBeatmap.HitObjects;
 
-        private readonly HashSet<HitObject> pendingUpdates = new HashSet<HitObject>();
+        private readonly List<HitObject> batchPendingInserts = new List<HitObject>();
 
-        private bool isBatchApplying;
+        private readonly List<HitObject> batchPendingDeletes = new List<HitObject>();
+
+        private readonly HashSet<HitObject> batchPendingUpdates = new HashSet<HitObject>();
 
         /// <summary>
         /// Adds a collection of <see cref="HitObject"/>s to this <see cref="EditorBeatmap"/>.
@@ -99,11 +100,10 @@ namespace osu.Game.Screens.Edit
         /// <param name="hitObjects">The <see cref="HitObject"/>s to add.</param>
         public void AddRange(IEnumerable<HitObject> hitObjects)
         {
-            ApplyBatchChanges(_ =>
-            {
-                foreach (var h in hitObjects)
-                    Add(h);
-            });
+            BeginChange();
+            foreach (var h in hitObjects)
+                Add(h);
+            EndChange();
         }
 
         /// <summary>
@@ -131,26 +131,28 @@ namespace osu.Game.Screens.Edit
 
             mutableHitObjects.Insert(index, hitObject);
 
-            if (isBatchApplying)
-                batchPendingInserts.Add(hitObject);
-            else
-            {
-                // must be run after any change to hitobject ordering
-                beatmapProcessor?.PreProcess();
-                processHitObject(hitObject);
-                beatmapProcessor?.PostProcess();
-
-                HitObjectAdded?.Invoke(hitObject);
-            }
+            BeginChange();
+            batchPendingInserts.Add(hitObject);
+            EndChange();
         }
 
         /// <summary>
         /// Updates a <see cref="HitObject"/>, invoking <see cref="HitObject.ApplyDefaults"/> and re-processing the beatmap.
         /// </summary>
         /// <param name="hitObject">The <see cref="HitObject"/> to update.</param>
-        public void UpdateHitObject([NotNull] HitObject hitObject)
+        public void Update([NotNull] HitObject hitObject)
         {
-            pendingUpdates.Add(hitObject);
+            // updates are debounced regardless of whether a batch is active.
+            batchPendingUpdates.Add(hitObject);
+        }
+
+        /// <summary>
+        /// Update all hit objects with potentially changed difficulty or control point data.
+        /// </summary>
+        public void UpdateAllHitObjects()
+        {
+            foreach (var h in HitObjects)
+                batchPendingUpdates.Add(h);
         }
 
         /// <summary>
@@ -175,11 +177,10 @@ namespace osu.Game.Screens.Edit
         /// <param name="hitObjects">The <see cref="HitObject"/>s to remove.</param>
         public void RemoveRange(IEnumerable<HitObject> hitObjects)
         {
-            ApplyBatchChanges(_ =>
-            {
-                foreach (var h in hitObjects)
-                    Remove(h);
-            });
+            BeginChange();
+            foreach (var h in hitObjects)
+                Remove(h);
+            EndChange();
         }
 
         /// <summary>
@@ -203,50 +204,45 @@ namespace osu.Game.Screens.Edit
             bindable.UnbindAll();
             startTimeBindables.Remove(hitObject);
 
-            if (isBatchApplying)
-                batchPendingDeletes.Add(hitObject);
-            else
-            {
-                // must be run after any change to hitobject ordering
-                beatmapProcessor?.PreProcess();
-                processHitObject(hitObject);
-                beatmapProcessor?.PostProcess();
-
-                HitObjectRemoved?.Invoke(hitObject);
-            }
+            BeginChange();
+            batchPendingDeletes.Add(hitObject);
+            EndChange();
         }
 
-        private readonly List<HitObject> batchPendingInserts = new List<HitObject>();
-
-        private readonly List<HitObject> batchPendingDeletes = new List<HitObject>();
-
-        /// <summary>
-        /// Apply a batch of operations in one go, without performing Pre/Postprocessing each time.
-        /// </summary>
-        /// <param name="applyFunction">The function which will apply the batch changes.</param>
-        public void ApplyBatchChanges(Action<EditorBeatmap> applyFunction)
+        protected override void Update()
         {
-            if (isBatchApplying)
-                throw new InvalidOperationException("Attempting to perform a batch application from within an existing batch");
+            base.Update();
 
-            isBatchApplying = true;
+            if (batchPendingUpdates.Count > 0)
+                UpdateState();
+        }
 
-            applyFunction(this);
+        protected override void UpdateState()
+        {
+            if (batchPendingUpdates.Count == 0 && batchPendingDeletes.Count == 0 && batchPendingInserts.Count == 0)
+                return;
 
             beatmapProcessor?.PreProcess();
 
             foreach (var h in batchPendingDeletes) processHitObject(h);
             foreach (var h in batchPendingInserts) processHitObject(h);
+            foreach (var h in batchPendingUpdates) processHitObject(h);
 
             beatmapProcessor?.PostProcess();
 
-            foreach (var h in batchPendingDeletes) HitObjectRemoved?.Invoke(h);
-            foreach (var h in batchPendingInserts) HitObjectAdded?.Invoke(h);
-
+            // callbacks may modify the lists so let's be safe about it
+            var deletes = batchPendingDeletes.ToArray();
             batchPendingDeletes.Clear();
+
+            var inserts = batchPendingInserts.ToArray();
             batchPendingInserts.Clear();
 
-            isBatchApplying = false;
+            var updates = batchPendingUpdates.ToArray();
+            batchPendingUpdates.Clear();
+
+            foreach (var h in deletes) HitObjectRemoved?.Invoke(h);
+            foreach (var h in inserts) HitObjectAdded?.Invoke(h);
+            foreach (var h in updates) HitObjectUpdated?.Invoke(h);
         }
 
         /// <summary>
@@ -254,28 +250,6 @@ namespace osu.Game.Screens.Edit
         /// </summary>
         public void Clear() => RemoveRange(HitObjects.ToArray());
 
-        protected override void Update()
-        {
-            base.Update();
-
-            // debounce updates as they are common and may come from input events, which can run needlessly many times per update frame.
-            if (pendingUpdates.Count > 0)
-            {
-                beatmapProcessor?.PreProcess();
-
-                foreach (var hitObject in pendingUpdates)
-                    processHitObject(hitObject);
-
-                beatmapProcessor?.PostProcess();
-
-                // explicitly needs to be fired after PostProcess
-                foreach (var hitObject in pendingUpdates)
-                    HitObjectUpdated?.Invoke(hitObject);
-
-                pendingUpdates.Clear();
-            }
-        }
-
         private void processHitObject(HitObject hitObject) => hitObject.ApplyDefaults(ControlPointInfo, BeatmapInfo.BaseDifficulty);
 
         private void trackStartTime(HitObject hitObject)
@@ -289,7 +263,7 @@ namespace osu.Game.Screens.Edit
                 var insertionIndex = findInsertionIndex(PlayableBeatmap.HitObjects, hitObject.StartTime);
                 mutableHitObjects.Insert(insertionIndex + 1, hitObject);
 
-                UpdateHitObject(hitObject);
+                Update(hitObject);
             };
         }
 
@@ -315,14 +289,5 @@ namespace osu.Game.Screens.Edit
         public double GetBeatLengthAtTime(double referenceTime) => ControlPointInfo.TimingPointAt(referenceTime).BeatLength / BeatDivisor;
 
         public int BeatDivisor => beatDivisor?.Value ?? 1;
-
-        /// <summary>
-        /// Update all hit objects with potentially changed difficulty or control point data.
-        /// </summary>
-        public void UpdateBeatmap()
-        {
-            foreach (var h in HitObjects)
-                pendingUpdates.Add(h);
-        }
     }
 }

osu.Game/Screens/Edit/EditorChangeHandler.cs

@@ -16,7 +16,7 @@ namespace osu.Game.Screens.Edit
     /// <summary>
     /// Tracks changes to the <see cref="Editor"/>.
     /// </summary>
-    public class EditorChangeHandler : IEditorChangeHandler
+    public class EditorChangeHandler : TransactionalCommitComponent, IEditorChangeHandler
     {
         public readonly Bindable<bool> CanUndo = new Bindable<bool>();
         public readonly Bindable<bool> CanRedo = new Bindable<bool>();
@@ -41,7 +41,6 @@ namespace osu.Game.Screens.Edit
         }
 
         private readonly EditorBeatmap editorBeatmap;
-        private int bulkChangesStarted;
         private bool isRestoring;
 
         public const int MAX_SAVED_STATES = 50;
@@ -54,9 +53,9 @@ namespace osu.Game.Screens.Edit
         {
             this.editorBeatmap = editorBeatmap;
 
-            editorBeatmap.HitObjectAdded += hitObjectAdded;
-            editorBeatmap.HitObjectRemoved += hitObjectRemoved;
-            editorBeatmap.HitObjectUpdated += hitObjectUpdated;
+            editorBeatmap.TransactionBegan += BeginChange;
+            editorBeatmap.TransactionEnded += EndChange;
+            editorBeatmap.SaveStateTriggered += SaveState;
 
             patcher = new LegacyEditorBeatmapPatcher(editorBeatmap);
 
@@ -64,28 +63,8 @@ namespace osu.Game.Screens.Edit
             SaveState();
         }
 
-        private void hitObjectAdded(HitObject obj) => SaveState();
-
-        private void hitObjectRemoved(HitObject obj) => SaveState();
-
-        private void hitObjectUpdated(HitObject obj) => SaveState();
-
-        public void BeginChange() => bulkChangesStarted++;
-
-        public void EndChange()
+        protected override void UpdateState()
         {
-            if (bulkChangesStarted == 0)
-                throw new InvalidOperationException($"Cannot call {nameof(EndChange)} without a previous call to {nameof(BeginChange)}.");
-
-            if (--bulkChangesStarted == 0)
-                SaveState();
-        }
-
-        public void SaveState()
-        {
-            if (bulkChangesStarted > 0)
-                return;
-
             if (isRestoring)
                 return;
 
@@ -120,7 +99,7 @@ namespace osu.Game.Screens.Edit
         /// <param name="direction">The direction to restore in. If less than 0, an older state will be used. If greater than 0, a newer state will be used.</param>
         public void RestoreState(int direction)
         {
-            if (bulkChangesStarted > 0)
+            if (TransactionActive)
                 return;
 
             if (savedStates.Count == 0)

osu.Game/Screens/Edit/LegacyEditorBeatmapPatcher.cs

@@ -68,19 +68,20 @@ namespace osu.Game.Screens.Edit
             toRemove.Sort();
             toAdd.Sort();
 
-            editorBeatmap.ApplyBatchChanges(eb =>
-            {
-                // Apply the changes.
-                for (int i = toRemove.Count - 1; i >= 0; i--)
-                    eb.RemoveAt(toRemove[i]);
+            editorBeatmap.BeginChange();
 
-                if (toAdd.Count > 0)
-                {
-                    IBeatmap newBeatmap = readBeatmap(newState);
-                    foreach (var i in toAdd)
-                        eb.Insert(i, newBeatmap.HitObjects[i]);
-                }
-            });
+            // Apply the changes.
+            for (int i = toRemove.Count - 1; i >= 0; i--)
+                editorBeatmap.RemoveAt(toRemove[i]);
+
+            if (toAdd.Count > 0)
+            {
+                IBeatmap newBeatmap = readBeatmap(newState);
+                foreach (var i in toAdd)
+                    editorBeatmap.Insert(i, newBeatmap.HitObjects[i]);
+            }
+
+            editorBeatmap.EndChange();
         }
 
         private string readString(byte[] state) => Encoding.UTF8.GetString(state);

osu.Game/Screens/Edit/Setup/DifficultySection.cs

@@ -93,7 +93,7 @@ namespace osu.Game.Screens.Edit.Setup
             Beatmap.Value.BeatmapInfo.BaseDifficulty.ApproachRate = approachRateSlider.Current.Value;
             Beatmap.Value.BeatmapInfo.BaseDifficulty.OverallDifficulty = overallDifficultySlider.Current.Value;
 
-            editorBeatmap.UpdateBeatmap();
+            editorBeatmap.UpdateAllHitObjects();
         }
     }
 }

osu.Game/Screens/Edit/TransactionalCommitComponent.cs

@@ -0,0 +1,73 @@
+// 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.Graphics;
+
+namespace osu.Game.Screens.Edit
+{
+    /// <summary>
+    /// A component that tracks a batch change, only applying after all active changes are completed.
+    /// </summary>
+    public abstract class TransactionalCommitComponent : Component
+    {
+        /// <summary>
+        /// Fires whenever a transaction begins. Will not fire on nested transactions.
+        /// </summary>
+        public event Action TransactionBegan;
+
+        /// <summary>
+        /// Fires when the last transaction completes.
+        /// </summary>
+        public event Action TransactionEnded;
+
+        /// <summary>
+        /// Fires when <see cref="SaveState"/> is called and results in a non-transactional state save.
+        /// </summary>
+        public event Action SaveStateTriggered;
+
+        public bool TransactionActive => bulkChangesStarted > 0;
+
+        private int bulkChangesStarted;
+
+        /// <summary>
+        /// Signal the beginning of a change.
+        /// </summary>
+        public void BeginChange()
+        {
+            if (bulkChangesStarted++ == 0)
+                TransactionBegan?.Invoke();
+        }
+
+        /// <summary>
+        /// Signal the end of a change.
+        /// </summary>
+        /// <exception cref="InvalidOperationException">Throws if <see cref="BeginChange"/> was not first called.</exception>
+        public void EndChange()
+        {
+            if (bulkChangesStarted == 0)
+                throw new InvalidOperationException($"Cannot call {nameof(EndChange)} without a previous call to {nameof(BeginChange)}.");
+
+            if (--bulkChangesStarted == 0)
+            {
+                UpdateState();
+                TransactionEnded?.Invoke();
+            }
+        }
+
+        /// <summary>
+        /// Force an update of the state with no attached transaction.
+        /// This is a no-op if a transaction is already active. Should generally be used as a safety measure to ensure granular changes are not left outside a transaction.
+        /// </summary>
+        public void SaveState()
+        {
+            if (bulkChangesStarted > 0)
+                return;
+
+            SaveStateTriggered?.Invoke();
+            UpdateState();
+        }
+
+        protected abstract void UpdateState();
+    }
+}

osu.Game/Screens/Ranking/Contracted/ContractedPanelMiddleContent.cs

@@ -3,7 +3,6 @@
 
 using System.Linq;
 using osu.Framework.Allocation;
-using osu.Framework.Extensions;
 using osu.Framework.Extensions.Color4Extensions;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Colour;
@@ -117,7 +116,7 @@ namespace osu.Game.Screens.Ranking.Contracted
                                             AutoSizeAxes = Axes.Y,
                                             Direction = FillDirection.Vertical,
                                             Spacing = new Vector2(0, 5),
-                                            ChildrenEnumerable = score.GetStatisticsForDisplay().Select(s => createStatistic(s.result, s.count, s.maxCount))
+                                            ChildrenEnumerable = score.GetStatisticsForDisplay().Where(s => !s.Result.IsBonus()).Select(createStatistic)
                                         },
                                         new FillFlowContainer
                                         {
@@ -199,8 +198,8 @@ namespace osu.Game.Screens.Ranking.Contracted
             };
         }
 
-        private Drawable createStatistic(HitResult result, int count, int? maxCount)
-            => createStatistic(result.GetDescription(), maxCount == null ? $"{count}" : $"{count}/{maxCount}");
+        private Drawable createStatistic(HitResultDisplayStatistic result)
+            => createStatistic(result.DisplayName, result.MaxCount == null ? $"{result.Count}" : $"{result.Count}/{result.MaxCount}");
 
         private Drawable createStatistic(string key, string value) => new Container
         {

osu.Game/Screens/Ranking/Expanded/ExpandedPanelMiddleContent.cs

@@ -64,155 +64,168 @@ namespace osu.Game.Screens.Ranking.Expanded
                 new CounterStatistic("pp", (int)(score.PP ?? 0)),
             };
 
-            var bottomStatistics = new List<StatisticDisplay>();
+            var bottomStatistics = new List<HitResultStatistic>();
 
-            foreach (var (key, value, maxCount) in score.GetStatisticsForDisplay())
-                bottomStatistics.Add(new HitResultStatistic(key, value, maxCount));
+            foreach (var result in score.GetStatisticsForDisplay())
+                bottomStatistics.Add(new HitResultStatistic(result));
 
             statisticDisplays.AddRange(topStatistics);
             statisticDisplays.AddRange(bottomStatistics);
 
-            InternalChild = new FillFlowContainer
+            InternalChildren = new Drawable[]
             {
-                RelativeSizeAxes = Axes.Both,
-                Direction = FillDirection.Vertical,
-                Spacing = new Vector2(20),
-                Children = new Drawable[]
+                new FillFlowContainer
                 {
-                    new FillFlowContainer
+                    RelativeSizeAxes = Axes.Both,
+                    Direction = FillDirection.Vertical,
+                    Spacing = new Vector2(20),
+                    Children = new Drawable[]
                     {
-                        Anchor = Anchor.TopCentre,
-                        Origin = Anchor.TopCentre,
-                        RelativeSizeAxes = Axes.X,
-                        AutoSizeAxes = Axes.Y,
-                        Direction = FillDirection.Vertical,
-                        Children = new Drawable[]
+                        new FillFlowContainer
                         {
-                            new OsuSpriteText
+                            Anchor = Anchor.TopCentre,
+                            Origin = Anchor.TopCentre,
+                            RelativeSizeAxes = Axes.X,
+                            AutoSizeAxes = Axes.Y,
+                            Direction = FillDirection.Vertical,
+                            Children = new Drawable[]
                             {
-                                Anchor = Anchor.TopCentre,
-                                Origin = Anchor.TopCentre,
-                                Text = new LocalisedString((metadata.TitleUnicode, metadata.Title)),
-                                Font = OsuFont.Torus.With(size: 20, weight: FontWeight.SemiBold),
-                                MaxWidth = ScorePanel.EXPANDED_WIDTH - padding * 2,
-                                Truncate = true,
-                            },
-                            new OsuSpriteText
-                            {
-                                Anchor = Anchor.TopCentre,
-                                Origin = Anchor.TopCentre,
-                                Text = new LocalisedString((metadata.ArtistUnicode, metadata.Artist)),
-                                Font = OsuFont.Torus.With(size: 14, weight: FontWeight.SemiBold),
-                                MaxWidth = ScorePanel.EXPANDED_WIDTH - padding * 2,
-                                Truncate = true,
-                            },
-                            new Container
-                            {
-                                Anchor = Anchor.TopCentre,
-                                Origin = Anchor.TopCentre,
-                                Margin = new MarginPadding { Top = 40 },
-                                RelativeSizeAxes = Axes.X,
-                                Height = 230,
-                                Child = new AccuracyCircle(score)
+                                new OsuSpriteText
                                 {
-                                    Anchor = Anchor.Centre,
-                                    Origin = Anchor.Centre,
-                                    RelativeSizeAxes = Axes.Both,
-                                    FillMode = FillMode.Fit,
-                                }
-                            },
-                            scoreCounter = new TotalScoreCounter
-                            {
-                                Margin = new MarginPadding { Top = 0, Bottom = 5 },
-                                Current = { Value = 0 },
-                                Alpha = 0,
-                                AlwaysPresent = true
-                            },
-                            starAndModDisplay = new FillFlowContainer
-                            {
-                                Anchor = Anchor.TopCentre,
-                                Origin = Anchor.TopCentre,
-                                AutoSizeAxes = Axes.Both,
-                                Spacing = new Vector2(5, 0),
-                                Children = new Drawable[]
+                                    Anchor = Anchor.TopCentre,
+                                    Origin = Anchor.TopCentre,
+                                    Text = new LocalisedString((metadata.TitleUnicode, metadata.Title)),
+                                    Font = OsuFont.Torus.With(size: 20, weight: FontWeight.SemiBold),
+                                    MaxWidth = ScorePanel.EXPANDED_WIDTH - padding * 2,
+                                    Truncate = true,
+                                },
+                                new OsuSpriteText
                                 {
-                                    new StarRatingDisplay(beatmap)
-                                    {
-                                        Anchor = Anchor.CentreLeft,
-                                        Origin = Anchor.CentreLeft
-                                    },
-                                }
-                            },
-                            new FillFlowContainer
-                            {
-                                Anchor = Anchor.TopCentre,
-                                Origin = Anchor.TopCentre,
-                                Direction = FillDirection.Vertical,
-                                AutoSizeAxes = Axes.Both,
-                                Children = new Drawable[]
+                                    Anchor = Anchor.TopCentre,
+                                    Origin = Anchor.TopCentre,
+                                    Text = new LocalisedString((metadata.ArtistUnicode, metadata.Artist)),
+                                    Font = OsuFont.Torus.With(size: 14, weight: FontWeight.SemiBold),
+                                    MaxWidth = ScorePanel.EXPANDED_WIDTH - padding * 2,
+                                    Truncate = true,
+                                },
+                                new Container
                                 {
-                                    new OsuSpriteText
+                                    Anchor = Anchor.TopCentre,
+                                    Origin = Anchor.TopCentre,
+                                    Margin = new MarginPadding { Top = 40 },
+                                    RelativeSizeAxes = Axes.X,
+                                    Height = 230,
+                                    Child = new AccuracyCircle(score)
                                     {
-                                        Anchor = Anchor.TopCentre,
-                                        Origin = Anchor.TopCentre,
-                                        Text = beatmap.Version,
-                                        Font = OsuFont.Torus.With(size: 16, weight: FontWeight.SemiBold),
-                                    },
-                                    new OsuTextFlowContainer(s => s.Font = OsuFont.Torus.With(size: 12))
+                                        Anchor = Anchor.Centre,
+                                        Origin = Anchor.Centre,
+                                        RelativeSizeAxes = Axes.Both,
+                                        FillMode = FillMode.Fit,
+                                    }
+                                },
+                                scoreCounter = new TotalScoreCounter
+                                {
+                                    Margin = new MarginPadding { Top = 0, Bottom = 5 },
+                                    Current = { Value = 0 },
+                                    Alpha = 0,
+                                    AlwaysPresent = true
+                                },
+                                starAndModDisplay = new FillFlowContainer
+                                {
+                                    Anchor = Anchor.TopCentre,
+                                    Origin = Anchor.TopCentre,
+                                    AutoSizeAxes = Axes.Both,
+                                    Spacing = new Vector2(5, 0),
+                                    Children = new Drawable[]
                                     {
-                                        Anchor = Anchor.TopCentre,
-                                        Origin = Anchor.TopCentre,
-                                        AutoSizeAxes = Axes.Both,
-                                        Direction = FillDirection.Horizontal,
-                                    }.With(t =>
-                                    {
-                                        if (!string.IsNullOrEmpty(creator))
+                                        new StarRatingDisplay(beatmap)
                                         {
-                                            t.AddText("mapped by ");
-                                            t.AddText(creator, s => s.Font = s.Font.With(weight: FontWeight.SemiBold));
-                                        }
-                                    })
-                                }
-                            },
-                        }
-                    },
-                    new FillFlowContainer
-                    {
-                        RelativeSizeAxes = Axes.X,
-                        AutoSizeAxes = Axes.Y,
-                        Direction = FillDirection.Vertical,
-                        Spacing = new Vector2(0, 5),
-                        Children = new Drawable[]
+                                            Anchor = Anchor.CentreLeft,
+                                            Origin = Anchor.CentreLeft
+                                        },
+                                    }
+                                },
+                                new FillFlowContainer
+                                {
+                                    Anchor = Anchor.TopCentre,
+                                    Origin = Anchor.TopCentre,
+                                    Direction = FillDirection.Vertical,
+                                    AutoSizeAxes = Axes.Both,
+                                    Children = new Drawable[]
+                                    {
+                                        new OsuSpriteText
+                                        {
+                                            Anchor = Anchor.TopCentre,
+                                            Origin = Anchor.TopCentre,
+                                            Text = beatmap.Version,
+                                            Font = OsuFont.Torus.With(size: 16, weight: FontWeight.SemiBold),
+                                        },
+                                        new OsuTextFlowContainer(s => s.Font = OsuFont.Torus.With(size: 12))
+                                        {
+                                            Anchor = Anchor.TopCentre,
+                                            Origin = Anchor.TopCentre,
+                                            AutoSizeAxes = Axes.Both,
+                                            Direction = FillDirection.Horizontal,
+                                        }.With(t =>
+                                        {
+                                            if (!string.IsNullOrEmpty(creator))
+                                            {
+                                                t.AddText("mapped by ");
+                                                t.AddText(creator, s => s.Font = s.Font.With(weight: FontWeight.SemiBold));
+                                            }
+                                        })
+                                    }
+                                },
+                            }
+                        },
+                        new FillFlowContainer
                         {
-                            new GridContainer
+                            RelativeSizeAxes = Axes.X,
+                            AutoSizeAxes = Axes.Y,
+                            Direction = FillDirection.Vertical,
+                            Spacing = new Vector2(0, 5),
+                            Children = new Drawable[]
                             {
-                                RelativeSizeAxes = Axes.X,
-                                AutoSizeAxes = Axes.Y,
-                                Content = new[] { topStatistics.Cast<Drawable>().ToArray() },
-                                RowDimensions = new[]
+                                new GridContainer
                                 {
-                                    new Dimension(GridSizeMode.AutoSize),
-                                }
-                            },
-                            new GridContainer
-                            {
-                                RelativeSizeAxes = Axes.X,
-                                AutoSizeAxes = Axes.Y,
-                                Content = new[] { bottomStatistics.Cast<Drawable>().ToArray() },
-                                RowDimensions = new[]
+                                    RelativeSizeAxes = Axes.X,
+                                    AutoSizeAxes = Axes.Y,
+                                    Content = new[] { topStatistics.Cast<Drawable>().ToArray() },
+                                    RowDimensions = new[]
+                                    {
+                                        new Dimension(GridSizeMode.AutoSize),
+                                    }
+                                },
+                                new GridContainer
                                 {
-                                    new Dimension(GridSizeMode.AutoSize),
+                                    RelativeSizeAxes = Axes.X,
+                                    AutoSizeAxes = Axes.Y,
+                                    Content = new[] { bottomStatistics.Where(s => s.Result <= HitResult.Perfect).ToArray() },
+                                    RowDimensions = new[]
+                                    {
+                                        new Dimension(GridSizeMode.AutoSize),
+                                    }
+                                },
+                                new GridContainer
+                                {
+                                    RelativeSizeAxes = Axes.X,
+                                    AutoSizeAxes = Axes.Y,
+                                    Content = new[] { bottomStatistics.Where(s => s.Result > HitResult.Perfect).ToArray() },
+                                    RowDimensions = new[]
+                                    {
+                                        new Dimension(GridSizeMode.AutoSize),
+                                    }
                                 }
                             }
                         }
-                    },
-                    new OsuSpriteText
-                    {
-                        Anchor = Anchor.TopCentre,
-                        Origin = Anchor.TopCentre,
-                        Font = OsuFont.GetFont(size: 10, weight: FontWeight.SemiBold),
-                        Text = $"Played on {score.Date.ToLocalTime():d MMMM yyyy HH:mm}"
                     }
+                },
+                new OsuSpriteText
+                {
+                    Anchor = Anchor.BottomCentre,
+                    Origin = Anchor.BottomCentre,
+                    Font = OsuFont.GetFont(size: 10, weight: FontWeight.SemiBold),
+                    Text = $"Played on {score.Date.ToLocalTime():d MMMM yyyy HH:mm}"
                 }
             };
 

osu.Game/Screens/Ranking/Expanded/Statistics/HitResultStatistic.cs

@@ -2,26 +2,26 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using osu.Framework.Allocation;
-using osu.Framework.Extensions;
 using osu.Game.Graphics;
 using osu.Game.Rulesets.Scoring;
+using osu.Game.Scoring;
 
 namespace osu.Game.Screens.Ranking.Expanded.Statistics
 {
     public class HitResultStatistic : CounterStatistic
     {
-        private readonly HitResult result;
+        public readonly HitResult Result;
 
-        public HitResultStatistic(HitResult result, int count, int? maxCount = null)
-            : base(result.GetDescription(), count, maxCount)
+        public HitResultStatistic(HitResultDisplayStatistic result)
+            : base(result.DisplayName, result.Count, result.MaxCount)
         {
-            this.result = result;
+            Result = result.Result;
         }
 
         [BackgroundDependencyLoader]
         private void load(OsuColour colours)
         {
-            HeaderText.Colour = colours.ForHitResult(result);
+            HeaderText.Colour = colours.ForHitResult(Result);
         }
     }
 }

osu.Game/Screens/Ranking/ScorePanel.cs

@@ -29,7 +29,7 @@ namespace osu.Game.Screens.Ranking
         /// <summary>
         /// Height of the panel when contracted.
         /// </summary>
-        private const float contracted_height = 355;
+        private const float contracted_height = 385;
 
         /// <summary>
         /// Width of the panel when expanded.
@@ -39,7 +39,7 @@ namespace osu.Game.Screens.Ranking
         /// <summary>
         /// Height of the panel when expanded.
         /// </summary>
-        private const float expanded_height = 560;
+        private const float expanded_height = 586;
 
         /// <summary>
         /// Height of the top layer when the panel is expanded.
@@ -105,11 +105,16 @@ namespace osu.Game.Screens.Ranking
         [BackgroundDependencyLoader]
         private void load()
         {
+            // ScorePanel doesn't include the top extruding area in its own size.
+            // Adding a manual offset here allows the expanded version to take on an "acceptable" vertical centre when at 100% UI scale.
+            const float vertical_fudge = 20;
+
             InternalChild = content = new Container
             {
                 Anchor = Anchor.Centre,
                 Origin = Anchor.Centre,
                 Size = new Vector2(40),
+                Y = vertical_fudge,
                 Children = new Drawable[]
                 {
                     topLayerContainer = new Container

osu.Game/Screens/Ranking/Statistics/HitEventTimingDistributionGraph.cs

@@ -66,7 +66,7 @@ namespace osu.Game.Screens.Ranking.Statistics
 
             foreach (var e in hitEvents)
             {
-                int binOffset = (int)(e.TimeOffset / binSize);
+                int binOffset = (int)Math.Round(e.TimeOffset / binSize, MidpointRounding.AwayFromZero);
                 bins[timing_distribution_centre_bin_index + binOffset]++;
             }
 

osu.Game/Tests/Beatmaps/BeatmapConversionTest.cs

@@ -34,6 +34,12 @@ namespace osu.Game.Tests.Beatmaps
             var ourResult = convert(name, mods.Select(m => (Mod)Activator.CreateInstance(m)).ToArray());
             var expectedResult = read(name);
 
+            foreach (var m in ourResult.Mappings)
+                m.PostProcess();
+
+            foreach (var m in expectedResult.Mappings)
+                m.PostProcess();
+
             Assert.Multiple(() =>
             {
                 int mappingCounter = 0;
@@ -239,6 +245,13 @@ namespace osu.Game.Tests.Beatmaps
             set => Objects = value;
         }
 
+        /// <summary>
+        /// Invoked after this <see cref="ConvertMapping{TConvertValue}"/> is populated to post-process the contained data.
+        /// </summary>
+        public virtual void PostProcess()
+        {
+        }
+
         public virtual bool Equals(ConvertMapping<TConvertValue> other) => StartTime == other?.StartTime;
     }
 }

osu.Game/Updater/SimpleUpdateManager.cs

@@ -30,7 +30,7 @@ namespace osu.Game.Updater
             version = game.Version;
         }
 
-        protected override async Task PerformUpdateCheck()
+        protected override async Task<bool> PerformUpdateCheck()
         {
             try
             {
@@ -53,12 +53,17 @@ namespace osu.Game.Updater
                             return true;
                         }
                     });
+
+                    return true;
                 }
             }
             catch
             {
                 // we shouldn't crash on a web failure. or any failure for the matter.
+                return true;
             }
+
+            return false;
         }
 
         private string getBestUrl(GitHubRelease release)

osu.Game/Updater/UpdateManager.cs

@@ -57,25 +57,31 @@ namespace osu.Game.Updater
 
         private readonly object updateTaskLock = new object();
 
-        private Task updateCheckTask;
+        private Task<bool> updateCheckTask;
 
-        public async Task CheckForUpdateAsync()
+        public async Task<bool> CheckForUpdateAsync()
         {
             if (!CanCheckForUpdate)
-                return;
+                return false;
 
-            Task waitTask;
+            Task<bool> waitTask;
 
             lock (updateTaskLock)
                 waitTask = (updateCheckTask ??= PerformUpdateCheck());
 
-            await waitTask;
+            bool hasUpdates = await waitTask;
 
             lock (updateTaskLock)
                 updateCheckTask = null;
+
+            return hasUpdates;
         }
 
-        protected virtual Task PerformUpdateCheck() => Task.CompletedTask;
+        /// <summary>
+        /// Performs an asynchronous check for application updates.
+        /// </summary>
+        /// <returns>Whether any update is waiting. May return true if an error occured (there is potentially an update available).</returns>
+        protected virtual Task<bool> PerformUpdateCheck() => Task.FromResult(false);
 
         private class UpdateCompleteNotification : SimpleNotification
         {

osu.Game/osu.Game.csproj

@@ -24,7 +24,7 @@
     <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="2.2.6" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite.Core" Version="2.2.6" />
     <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
-    <PackageReference Include="ppy.osu.Framework" Version="2020.1004.0" />
+    <PackageReference Include="ppy.osu.Framework" Version="2020.1009.0" />
     <PackageReference Include="ppy.osu.Game.Resources" Version="2020.904.0" />
     <PackageReference Include="Sentry" Version="2.1.6" />
     <PackageReference Include="SharpCompress" Version="0.26.0" />

osu.iOS.props

@@ -70,7 +70,7 @@
     <Reference Include="System.Net.Http" />
   </ItemGroup>
   <ItemGroup Label="Package References">
-    <PackageReference Include="ppy.osu.Framework.iOS" Version="2020.1004.0" />
+    <PackageReference Include="ppy.osu.Framework.iOS" Version="2020.1009.0" />
     <PackageReference Include="ppy.osu.Game.Resources" Version="2020.904.0" />
   </ItemGroup>
   <!-- Xamarin.iOS does not automatically handle transitive dependencies from NuGet packages. -->
@@ -80,7 +80,7 @@
     <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="2.2.6" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite.Core" Version="2.2.6" />
     <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
-    <PackageReference Include="ppy.osu.Framework" Version="2020.1004.0" />
+    <PackageReference Include="ppy.osu.Framework" Version="2020.1009.0" />
     <PackageReference Include="SharpCompress" Version="0.26.0" />
     <PackageReference Include="NUnit" Version="3.12.0" />
     <PackageReference Include="SharpRaven" Version="2.4.0" />