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[iOS] The view is not stable when using WebCamTexture in iOS 15



How to reproduce:
1. Open the project
2. Go to the Build Settings (File>Build Settings)
3. Select iOS and build
4. Open Xcode project and build for a device
5. Rotate the device a few times and look at the screen

Expected result: The view is stable
Actual result: The view is not stable

Reproducible with: 2019.4.32f1, 2020.3.21f1, 2021.1.28f1, 2021.2.1f1, 2023.2.0a18
Could not test with: 2022.1.0a13 (In the Build the Scene was empty)

Reproduced with:
VLNQA00392 - iPad (9th generation), 15.0 iOS
VLNQA00494 - iPhone 14 Pro Max, 16.3.1 iOS

Not reproduced with:
VLNQA00358 - iPhone 12, 14.1 iOS
VLNQA00310 - iPad Pro 12.9", 13.4.1 iOS

  1. Resolution Note:

    In our tests, the issue can be resolved by stopping the webcam texture and starting it again (WebCamTexture.Stop, then WebCamTexture.Play). We recommend detecting orientation changes, and stopping the texture for, e.g., one frame.

    We may re-visit this issue in the future. However, as there is a simple workaround available, we will resolve the ticket for the time being.

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