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Type: Bug
Resolution: Cannot Reproduce
Priority: P2: Important
Fix Version/s: None
Affects Version/s: 6.4.2
Component/s: GUI: OpenGL, Widgets: Widgets and Dialogs
Labels:
None
Environment:

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- Qt 6.4.2
- MacOS Ventura 13.0
- Xcode 14.1
- Apple clang version 14.0.0 (clang-1400.0.29.202)
- Target: x86_64-apple-darwin22.1.0
- MacBook Pro 15-inch, 2018
- Processor: 2,6 GHz 6-Core Intel Core i7
- Graphics: Radeon Pro 560X 4 GB - Intel UHD Graphics 630 1536 MB

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- Qt 6.4.2 - MacOS Ventura 13.0 - Xcode 14.1 - Apple clang version 14.0.0 (clang-1400.0.29.202) - Target: x86_64-apple-darwin22.1.0 - MacBook Pro 15-inch, 2018 - Processor: 2,6 GHz 6-Core Intel Core i7 - Graphics: Radeon Pro 560X 4 GB - Intel UHD Graphics 630 1536 MB

Problem

When resizing a QOpenGLWidget on MacOS 13.0 - XCode 14.1, the widget is flickering:

Reproduction

I have created a minimal app to demonstrate the issue (see attachments).

I have tested the same code on MacOS 11.2.3 - Xcode 12.4, the issue does not occur.