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  1. Qt
  2. QTBUG-129839

6.8: Programmatically resized window stalls for initial part of resize animation

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    • macOS
    • 72e4cb967 (dev), 8b9c25998 (6.8), a9412bca7 (dev), d59c9d6c7 (dev), 1a55bd974 (6.8)

      Reproducer attached. Click the button and the animation severely shutters (even temporarily freezes) when Window is being resized. The problem was there in 6.7.3 but the situation is much worse in 6.8.0. If you do something to the window when it's struggling with resizing, you may very well crash it.

      By far only observed on macOS. Windows is unaffected.

        1. WindowResizeTest.zip
          9 kB
          Luqiao Chen
        2. 6.5 threaded render loop.mov
          1.07 MB
          Tor Arne Vestbø
        3. 6.5 basic render loop.mov
          992 kB
          Tor Arne Vestbø
        4. 6.7 threaded render loop.mov
          1.07 MB
          Tor Arne Vestbø
        5. 6.7 basic render loop.mov
          1.44 MB
          Tor Arne Vestbø
        6. dev, threaded render loop.mov
          5.28 MB
          Tor Arne Vestbø
        7. dev, basic render loop.mov
          2.19 MB
          Tor Arne Vestbø
        8. dev, threaded render loop, QT_MTL_NO_TRANSACTION.mov
          2.13 MB
          Tor Arne Vestbø
        9. image-2024-10-14-13-15-55-260.png
          526 kB
          Tor Arne Vestbø
        10. image-2024-10-14-13-17-44-356.png
          577 kB
          Tor Arne Vestbø
        11. image-2024-10-14-13-20-37-329.png
          573 kB
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        12. image-2024-10-14-13-23-02-510.png
          573 kB
          Tor Arne Vestbø
        13. screenshot-1.png
          3.01 MB
          Tor Arne Vestbø
        14. (gpu.expert-case-config-data)
          2 kB
          Tor Arne Vestbø
        15. (gpu.quicklook-preview)
          0.5 kB
          Tor Arne Vestbø
        16. (gpu.shared-tab-ui-state)
          0.2 kB
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        17. index
          14 kB
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        18. metadata
          4 kB
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        19. store0
          27 kB
          Tor Arne Vestbø
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            vestbo Tor Arne Vestbø
            luqiaochen Luqiao Chen
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              Created:
              Updated:
              Resolved: