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  1. Qt
  2. QTBUG-140845

[QtWebEngine 6.9.1-6.9.3][Windows/NVIDIA] Crash when animating SVG transform with GSAP (GPU compositing)

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    • Icon: Bug Bug
    • Resolution: Unresolved
    • Icon: P1: Critical P1: Critical
    • None
    • 6.9.1, 6.9.2, 6.9.3
    • WebEngine
    • None
    • Windows 10 22H2 x64
      NVIDIA GPU (RTX 4080, driver 581.42 and previous ones)
      PySide6 6.9.1 (Qt 6.9.1), PySide6 6.9.2 (Qt 6.9.2), PySide6 6.9.3 (Qt 6.9.3)
      Works fine in 6.8.3 and older
    • Windows

      Steps to reproduce:

      • Run attached PySide6 script with QWebEngineView loading HTML containing GSAP scaling animation on SVG.
      • Within 10-30 seconds of continuous zoom animation, QtWebEngineProcess crashes silently. The zoom animation is bound to the mouse scroll wheel.
      • Crash disappears when launching with --disable-gpu-compositing.

      Expected result:
      Smooth scaling, no crash.

      Actual result:
      QtWebEngineProcess exits without error; reproducible every time.

      Workaround:
      os.environ["QTWEBENGINE_CHROMIUM_FLAGS"] = "--disable-gpu-compositing"

       

       

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            qt_webengine_team Qt WebEngine Team
            break1 Rus Sh
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              Created:
              Updated:

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