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Found in
2021.3.50f1
2022.3.61f1
6000.0.45f1
6000.1.0b13
6000.2.0a8
Issue ID
UUM-102307
Regression
No
Long scheduler times on main thread when using InstantiateAsync with a singular massive Prefab
How to reproduce:
1. Open the attached “IN-98225-AsyncInstantiate6_1.zip“ project in Unity Editor
2. Navigate to Menu Bar > Window > Analysis > Profiler and click on it
3. Enter play mode and open the Profiler Window
4. Click Start Capture and observe the Profiler Graph
Expected result: Processing time keeps spiking up to over 33ms
Actual result: Processing time is inconsistent, usually taking longer than expected.
Reproducible with: 2021.3.50f1, 2022.3.61f1, 6000.0.45f1, 6000.1.0b13, 6000.2.0a8
Reproducible on: MacOS 15.3.2 (M1 MAX)
Not reproducible on: No other environment tested
Note: The bug also persists in builds
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