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REVISION SUMMARY See: https://bugreports.qt.io/browse/QTBUG-52092 Freeze happens if a sub-surface is rendered to before the main surface is rendered. The compositor has no chance to know that this is a window which needs to be rendered, thus the application might freeze without ever becoming visible. Famous example applications being affected: all kcms with a nested QQuickView. E.g.: kcmshell5 kwineffects REPOSITORY rKWAYLAND KWayland BRANCH workaround-qt-freeze REVISION DETAIL https://phabricator.kde.org/D1208 AFFECTED FILES src/server/surface_interface.cpp EMAIL PREFERENCES https://phabricator.kde.org/settings/panel/emailpreferences/ To: graesslin, Plasma Cc: plasma-devel
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