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Fixed in 2022.3.21f1, 2023.3.0a16



Found in


Issue ID




[iOS] Crash when running Shader.WarmupAllShaders() after application start



How to reproduce:
1. Download and open the attached "EmptyWarmupTest" project
2. Build and deploy to iOS
3. Tap the device screen
4. Observe the crash

Reproduced with: 2022.3.10f1, 2022.3.12f1, 2023.1.19f1, 2023.2.0b16, 2023.3.0a12

Not reproducible with: 2021.3.32f1, 2022.3.9f1

Reproduced on: VLNQA00310 iPad Pro 12.9'' (iOS 13.4.1), iPhone XS (iOS 16.6.1)
Could not reproduce on: VLNQA00416 iPhone 13 Pro (iOS 16.1.1),
VLNQA00494 iPhone 14 Pro Max (iOS 16.3.1),
VLNQA00358 iPhone 12 (iOS 14.1)
VLNQA00359 iPhone 12 Pro (iOS 14.2.1)

Running Shader.WarmupAllShaders() during the Start method does not crash.
Running it after application startup (by which I mean, in an update loop) causes the crash.

  1. Resolution Note (fix version 2023.3.0a16):

    Verified with: 2023.3.0a16

  2. Resolution Note (fix version 2022.3.21f1):

    Verified with 2022.3.21f1

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