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Won't Fix
Votes
0
Found in
2021.3.36f1
2022.3.22f1
2023.2.16f1
6000.0.0b13
Issue ID
UUM-68011
Regression
No
Animation freezes for a short amount of time when it is being Played
Reproduction steps:
1. Open the attached “BugRepro” Project
2. Open the “Assets/Scenes/Scene” Scene
3. In the Hierarchy window, select “SceneLoader“ GameObject (FirstScene > SceneLoader)
4. Open the Animator window (Window > Animation > Animator)
5. Enter Play Mode
6. In the Animator window, observe the “SceneFadeIn” animation state progress
Expected result: The animation plays at a constant rate
Actual result: The animation freezes at a random point and unfreezes after a short amount of time (around 1 second) while playing
Reproducible with: 2021.3.36f1, 2022.3.22f1, 2023.2.16f1, 6000.0.0b13
Reproducible on: Windows 11
Not reproducible on: No other environment tested
Notes:
- The Editor sometimes crashes when entering/exiting Play Mode
- “Reload Domain” setting can be disabled in Editor settings (Project Settings > Editor > Enter Play Mode Settings), to better see the issue
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Resolution Note:
The project is loading several huge textures. While most of image decoding happens on background thread, the final integration of the texture happens on main thread and this time is sizeable due to huge size of textures, hence the main thread is blocked and you can notice it.