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Bug
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    Resolution: Done
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P2: Important
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    None
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    5.11.0 Beta 3
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    None
 
With https://codereview.qt-project.org/#/c/225929/ we disabled masked tiling from Chromium, but since they enabled it everywhere, and they have no command-line option to disable it, this option will probably go away for us soon, and we need to implement handling of it delegated_frame_node.cpp
This is the relevant upstream bug https://bugs.chromium.org/p/chromium/issues/detail?id=567293 and this change seem to be what they did in chromium renderers to make it work:
https://chromium.googlesource.com/chromium/src/+/5e6bda5447afa39cc476898bcdd2ee560b1620bc%5E%21/ though this appears to depend on pre-existing support for masking, which we don't have either
- duplicates
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        QTBUG-71885
        Use upstream display compositor
    
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 - Closed
 
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- relates to
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QTBUG-67585 Some websites are displayed tiled
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 - Closed
 
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QTBUG-67414 Crash in QtWebEngineCore upon a few resizes if the web page contains certain JS code
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 - Closed
 
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- replaces
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QTBUG-51180 Process CSS Masking in scene integration
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 - Closed
 
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