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Fixed

Fixed in 6000.0.59f1, 6000.2.2f1, 6000.3.0a4

Votes

20

Found in

2021.3.47f1

2022.3.56f1

6000.0.35f1

6000.1.0b2

6000.2.0a1

6000.3.0a1

Issue ID

UUM-92619

Regression

No

Crash on CleanupAfterLoad() when exiting Play Mode during Async Scene load/unload events

-

How to reproduce:
1. Open the “CrashRepro“ project
2. Open the “Assets/Scenes/SampleScene.unity“ Scene
3. Enter Play Mode
4. Wait 20 seconds
5. Exit Play Mode

Reproducible with: 2021.3.47f1, 2022.3.56f1, 6000.0.35f1,  6000.1.0b2

Reproducible on: macOS 15.2 Sequoai (Intel), Windows 10 (reported by user)
Not reproducible on: No other environment tested

Note: If issue is not reproduced first time, steps 3 - 5 need to be repeated

First few lines of stack trace:
#0 0x00000000000001 in (Unknown)
#1 0x0000010ceb9705 in CleanupAfterLoad()
#2 0x0000010cf28b94 in LoadSceneOperation::CompletePreloadManagerLoadSceneEditor()
#3 0x0000010cf28301 in LoadSceneOperation::IntegrateMainThread()
#4 0x0000010cf2b0d1 in PreloadManager::UpdatePreloadingSingleStep(PreloadManager::UpdatePreloadingFlags, int)

Comments (2)

  1. stonstad

    Aug 11, 2025 19:24

    This fix has been in review for almost two months. Is there an update to this issue? I'm using what is supposed to be a stable version of Unity (6.0), but it's far from it with the sheer volume of crashes caused by this issue.

    Unity, please get this across the finish line.

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