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  1. Qt
  2. QTBUG-124353

[REG 6.5.3 - 6.6.0] Massive memory leak on WebEngineView resizing

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    • Icon: Bug Bug
    • Resolution: Fixed
    • Icon: P1: Critical P1: Critical
    • 6.7.2, 6.8.0 FF
    • 6.6.0, 6.6.3, 6.7.0
    • WebEngine
    • None
    • MacBook Pro 13-inch, M1, 2020
      macOS Sonoma 14.4.1
    • macOS
    • b46f923e6 (dev), e661599ec (6.7)

      Here is massive memory leak on macOS on resizing WebEngineView.
      Can be reproduced e.g. with standard Quick Nano Browser example.

      See attached screen recording Screen Recording 2024-04-12 at 21.05.10.mp4

      Note: it doesn't depend on RHI, reproduced both with OpenGL and Metal.

        1. Screen Recording 2024-04-12 at 21.05.10.mp4
          12.30 MB
        2. fix-iosurface-memory-leak-66.patch
          3 kB
        3. bug.qml
          0.6 kB
        4. fix-iosurface-memory-leak-66-v2.patch
          4 kB
        For Gerrit Dashboard: QTBUG-124353
        # Subject Branch Project Status CR V
        556871,4 Fix IOSurface memory leak dev qt/qtwebengine Status: MERGED +2 0
        557538,2 Fix IOSurface memory leak 6.7 qt/qtwebengine Status: MERGED +2 0

            pvarga Peter Varga
            studiosus Vladimir Belyavsky
            Votes:
            2 Vote for this issue
            Watchers:
            7 Start watching this issue

              Created:
              Updated:
              Resolved:

                There are no open Gerrit changes