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  1. Qt
  2. QTBUG-141582

Support partial scene updates in the QML rendering engine

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    • Icon: Suggestion Suggestion
    • Resolution: Unresolved
    • Icon: P3: Somewhat important P3: Somewhat important
    • None
    • None
    • GUI: OpenGL, QPA: Wayland, Quick: Core Declarative QML
    • None

    • Qt Version: All (reproducible on both Qt 5 and Qt 6)
      Platform: Any Wayland environment
      Compositor: Any (e.g. KWin, Weston, Mutter)
      Renderer: OpenGL / Vulkan
      Hardware: Generic (x86_64 and ARM64)
      Display Protocol: Wayland

    • Linux/Wayland

      QML rendering does not support partial scene updates, causing full-window redraw even when only small regions change.

        1. demo.tar.gz
          0.9 kB
        2. wayland_debug_log.png
          wayland_debug_log.png
          84 kB
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            lagocs Laszlo Agocs
            liujie jie liu
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              Created:
              Updated:

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