diff --git a/osu.Game.Rulesets.Osu.Tests/Editor/TestSceneSliderVelocityAdjust.cs b/osu.Game.Rulesets.Osu.Tests/Editor/TestSceneSliderVelocityAdjust.cs
index bb8c52bdfc..175cbeca6e 100644
--- a/osu.Game.Rulesets.Osu.Tests/Editor/TestSceneSliderVelocityAdjust.cs
+++ b/osu.Game.Rulesets.Osu.Tests/Editor/TestSceneSliderVelocityAdjust.cs
@@ -1,9 +1,6 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
-#nullable disable
-
-using System.Diagnostics;
 using System.Linq;
 using NUnit.Framework;
 using osu.Framework.Input;
@@ -24,15 +21,15 @@ namespace osu.Game.Rulesets.Osu.Tests.Editor
 {
     public partial class TestSceneSliderVelocityAdjust : OsuGameTestScene
     {
-        private Screens.Edit.Editor editor => Game.ScreenStack.CurrentScreen as Screens.Edit.Editor;
+        private Screens.Edit.Editor? editor => Game.ScreenStack.CurrentScreen as Screens.Edit.Editor;
 
-        private EditorBeatmap editorBeatmap => editor.ChildrenOfType<EditorBeatmap>().FirstOrDefault();
+        private EditorBeatmap editorBeatmap => editor.ChildrenOfType<EditorBeatmap>().FirstOrDefault()!;
 
-        private EditorClock editorClock => editor.ChildrenOfType<EditorClock>().FirstOrDefault();
+        private EditorClock editorClock => editor.ChildrenOfType<EditorClock>().FirstOrDefault()!;
 
-        private Slider slider => editorBeatmap.HitObjects.OfType<Slider>().FirstOrDefault();
+        private Slider? slider => editorBeatmap.HitObjects.OfType<Slider>().FirstOrDefault();
 
-        private TimelineHitObjectBlueprint blueprint => editor.ChildrenOfType<TimelineHitObjectBlueprint>().FirstOrDefault();
+        private TimelineHitObjectBlueprint blueprint => editor.ChildrenOfType<TimelineHitObjectBlueprint>().FirstOrDefault()!;
 
         private DifficultyPointPiece difficultyPointPiece => blueprint.ChildrenOfType<DifficultyPointPiece>().First();
 
@@ -46,6 +43,55 @@ namespace osu.Game.Rulesets.Osu.Tests.Editor
         {
             double? velocity = null;
 
+            AddStep("enter editor", () => Game.ScreenStack.Push(new EditorLoader()));
+            AddUntilStep("wait for editor load", () => editor?.ReadyForUse, () => Is.True);
+
+            AddStep("seek to first control point", () => editorClock.Seek(editorBeatmap.ControlPointInfo.TimingPoints.First().Time));
+            AddStep("enter slider placement mode", () => InputManager.Key(Key.Number3));
+
+            AddStep("move mouse to centre", () => InputManager.MoveMouseTo(editor.ChildrenOfType<Playfield>().First().ScreenSpaceDrawQuad.Centre));
+            AddStep("start placement", () => InputManager.Click(MouseButton.Left));
+
+            AddStep("move mouse to bottom right", () => InputManager.MoveMouseTo(editor.ChildrenOfType<Playfield>().First().ScreenSpaceDrawQuad.BottomRight - new Vector2(10)));
+            AddStep("end placement", () => InputManager.Click(MouseButton.Right));
+
+            AddStep("exit placement mode", () => InputManager.Key(Key.Number1));
+
+            AddAssert("slider placed", () => slider, () => Is.Not.Null);
+
+            AddStep("select slider", () => editorBeatmap.SelectedHitObjects.Add(slider));
+
+            AddAssert("ensure one slider placed", () => slider, () => Is.Not.Null);
+
+            AddStep("store velocity", () => velocity = slider!.Velocity);
+
+            if (adjustVelocity)
+            {
+                AddStep("open velocity adjust panel", () => difficultyPointPiece.TriggerClick());
+                AddStep("change velocity", () => velocityTextBox.Current.Value = 2);
+
+                AddAssert("velocity adjusted", () => slider!.Velocity,
+                    () => Is.EqualTo(velocity!.Value * 2).Within(Precision.DOUBLE_EPSILON));
+
+                AddStep("store velocity", () => velocity = slider!.Velocity);
+            }
+
+            AddStep("save", () => InputManager.Keys(PlatformAction.Save));
+            AddStep("exit", () => InputManager.Key(Key.Escape));
+
+            AddStep("enter editor (again)", () => Game.ScreenStack.Push(new EditorLoader()));
+            AddUntilStep("wait for editor load", () => editor?.ReadyForUse, () => Is.True);
+
+            AddStep("seek to slider", () => editorClock.Seek(slider!.StartTime));
+            AddAssert("slider has correct velocity", () => slider!.Velocity, () => Is.EqualTo(velocity));
+        }
+
+        [Test]
+        public void TestVelocityUndo()
+        {
+            double? velocityBefore = null;
+            double? durationBefore = null;
+
             AddStep("enter editor", () => Game.ScreenStack.Push(new EditorLoader()));
             AddUntilStep("wait for editor load", () => editor?.ReadyForUse == true);
 
@@ -60,36 +106,29 @@ namespace osu.Game.Rulesets.Osu.Tests.Editor
 
             AddStep("exit placement mode", () => InputManager.Key(Key.Number1));
 
-            AddAssert("slider placed", () => slider != null);
-
+            AddAssert("slider placed", () => slider, () => Is.Not.Null);
             AddStep("select slider", () => editorBeatmap.SelectedHitObjects.Add(slider));
 
-            AddAssert("ensure one slider placed", () => slider != null);
-
-            AddStep("store velocity", () => velocity = slider.Velocity);
-
-            if (adjustVelocity)
+            AddStep("store velocity", () =>
             {
-                AddStep("open velocity adjust panel", () => difficultyPointPiece.TriggerClick());
-                AddStep("change velocity", () => velocityTextBox.Current.Value = 2);
+                velocityBefore = slider!.Velocity;
+                durationBefore = slider.Duration;
+            });
 
-                AddAssert("velocity adjusted", () =>
-                {
-                    Debug.Assert(velocity != null);
-                    return Precision.AlmostEquals(velocity.Value * 2, slider.Velocity);
-                });
+            AddStep("open velocity adjust panel", () => difficultyPointPiece.TriggerClick());
+            AddStep("change velocity", () => velocityTextBox.Current.Value = 2);
 
-                AddStep("store velocity", () => velocity = slider.Velocity);
-            }
+            AddAssert("velocity adjusted", () => slider!.Velocity, () => Is.EqualTo(velocityBefore!.Value * 2).Within(Precision.DOUBLE_EPSILON));
 
-            AddStep("save", () => InputManager.Keys(PlatformAction.Save));
-            AddStep("exit", () => InputManager.Key(Key.Escape));
+            AddStep("undo", () =>
+            {
+                InputManager.PressKey(Key.ControlLeft);
+                InputManager.Key(Key.Z);
+                InputManager.ReleaseKey(Key.ControlLeft);
+            });
 
-            AddStep("enter editor (again)", () => Game.ScreenStack.Push(new EditorLoader()));
-            AddUntilStep("wait for editor load", () => editor?.ReadyForUse == true);
-
-            AddStep("seek to slider", () => editorClock.Seek(slider.StartTime));
-            AddAssert("slider has correct velocity", () => slider.Velocity == velocity);
+            AddAssert("slider has correct velocity", () => slider!.Velocity, () => Is.EqualTo(velocityBefore));
+            AddAssert("slider has correct duration", () => slider!.Duration, () => Is.EqualTo(durationBefore));
         }
     }
 }
diff --git a/osu.Game/Screens/Edit/LegacyEditorBeatmapPatcher.cs b/osu.Game/Screens/Edit/LegacyEditorBeatmapPatcher.cs
index fe0d4a7822..bb9f702cb5 100644
--- a/osu.Game/Screens/Edit/LegacyEditorBeatmapPatcher.cs
+++ b/osu.Game/Screens/Edit/LegacyEditorBeatmapPatcher.cs
@@ -123,6 +123,8 @@ namespace osu.Game.Screens.Edit
                     oldWithRepeats.NodeSamples.Clear();
                     oldWithRepeats.NodeSamples.AddRange(newWithRepeats.NodeSamples);
                 }
+
+                editorBeatmap.Update(oldObject);
             }
         }