From b2de486aecbb775e6721ffe8802d7c64af557ed8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bart=C5=82omiej=20Dach?= <dach.bartlomiej@gmail.com>
Date: Tue, 20 May 2025 14:14:36 +0200
Subject: [PATCH 1/2] Add failing test case

---
 .../Mods/TestSceneOsuModStrictTracking.cs     | 54 +++++++++++++++++++
 1 file changed, 54 insertions(+)

diff --git a/osu.Game.Rulesets.Osu.Tests/Mods/TestSceneOsuModStrictTracking.cs b/osu.Game.Rulesets.Osu.Tests/Mods/TestSceneOsuModStrictTracking.cs
index 66a60e3542..170d9830f2 100644
--- a/osu.Game.Rulesets.Osu.Tests/Mods/TestSceneOsuModStrictTracking.cs
+++ b/osu.Game.Rulesets.Osu.Tests/Mods/TestSceneOsuModStrictTracking.cs
@@ -49,5 +49,59 @@ namespace osu.Game.Rulesets.Osu.Tests.Mods
             },
             PassCondition = () => Player.ScoreProcessor.Combo.Value == 2
         });
+
+        [Test]
+        public void TestRewind()
+        {
+            bool seekedBack = false;
+            bool missRecorded = false;
+
+            CreateModTest(new ModTestData
+            {
+                Mod = new OsuModStrictTracking(),
+                Autoplay = false,
+                CreateBeatmap = () => new Beatmap
+                {
+                    HitObjects = new List<HitObject>
+                    {
+                        new Slider
+                        {
+                            StartTime = 1000,
+                            Path = new SliderPath
+                            {
+                                ControlPoints =
+                                {
+                                    new PathControlPoint(),
+                                    new PathControlPoint(new Vector2(0, 100))
+                                }
+                            }
+                        }
+                    }
+                },
+                ReplayFrames = new List<ReplayFrame>
+                {
+                    new OsuReplayFrame(0, new Vector2(100, 0)),
+                    new OsuReplayFrame(1000, new Vector2(100, 0)),
+                    new OsuReplayFrame(1050, new Vector2()),
+                    new OsuReplayFrame(1100, new Vector2(), OsuAction.LeftButton),
+                    new OsuReplayFrame(1750, new Vector2(0, 100), OsuAction.LeftButton),
+                    new OsuReplayFrame(1751, new Vector2(0, 100)),
+                },
+                PassCondition = () => seekedBack && !missRecorded,
+            });
+            AddStep("subscribe to new judgements", () => Player.ScoreProcessor.NewJudgement += j =>
+            {
+                if (!j.IsHit)
+                    missRecorded = true;
+            });
+            AddUntilStep("wait for gameplay completion", () => Player.GameplayState.HasCompleted);
+            AddAssert("no misses", () => missRecorded, () => Is.False);
+            AddStep("seek back", () =>
+            {
+                Player.GameplayClockContainer.Stop();
+                Player.Seek(1040);
+                seekedBack = true;
+            });
+        }
     }
 }

From 3a136a4c811ac54b85be92b77911b38b04dcccf5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bart=C5=82omiej=20Dach?= <dach.bartlomiej@gmail.com>
Date: Tue, 20 May 2025 14:04:01 +0200
Subject: [PATCH 2/2] Fix Strict Tracking running miss-on-tracking-loss logic
 during rewind

Probably closes https://github.com/ppy/osu/issues/29945.
---
 osu.Game.Rulesets.Osu/Mods/OsuModStrictTracking.cs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/osu.Game.Rulesets.Osu/Mods/OsuModStrictTracking.cs b/osu.Game.Rulesets.Osu/Mods/OsuModStrictTracking.cs
index 7d2fd628f6..5ee8814b5a 100644
--- a/osu.Game.Rulesets.Osu/Mods/OsuModStrictTracking.cs
+++ b/osu.Game.Rulesets.Osu/Mods/OsuModStrictTracking.cs
@@ -16,6 +16,7 @@ using osu.Game.Rulesets.Osu.Judgements;
 using osu.Game.Rulesets.Osu.Objects;
 using osu.Game.Rulesets.Osu.Objects.Drawables;
 using osu.Game.Rulesets.UI;
+using osu.Game.Screens.Play;
 
 namespace osu.Game.Rulesets.Osu.Mods
 {
@@ -39,6 +40,9 @@ namespace osu.Game.Rulesets.Osu.Mods
                     if (slider.Time.Current < slider.HitObject.StartTime)
                         return;
 
+                    if ((slider.Clock as IGameplayClock)?.IsRewinding == true)
+                        return;
+
                     var tail = slider.NestedHitObjects.OfType<StrictTrackingDrawableSliderTail>().First();
 
                     if (!tail.Judged)