Do not query all available image plugins when determining background type
In order to determine whether the wallpaper is animated or not, MediaProxy::determineBackgroundType uses the following algorithm: if (QMovie::supportedFormats().contains(QFileInfo(filePath).suffix().toLower().toLatin1())) { This enumerates all image types that support animations, then checks whether the one we care about is contained in the list. Unfortunately, to check which image types support animations, QMovie::supportedFormats() needs to instantiate each and every image reader plugin that is available and ask it whether it supports animations. STEPS TO REPRODUCE We have caught this in Fedora by accident, because we ran into a bug: https://bugzilla.redhat.com/show_bug.cgi?id=2144200 where Chromium and PDFium would fail to load on Apple hardware using "Apple Silicon" ARM CPUs. This surprisingly lead to the whole Plasma shell failing to start because the QImage PDF reader would crash during initialization, crashing the entire...
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mentioned in commit fe738f14
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mentioned in merge request !2376 (merged)
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