Fixs

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video stutter (Fedora)

dnf groupupdate multimedia --setop="install_weak_deps=False" --exclude=PackageKit-gstreamer-plugin

dnf groupupdate sound-and-video 

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AppImage icon fix at runtime (alacarte added)

Get application WMClass

xprop | grep WM_CLASS

Add this line into application .desktop (.local/share/applications/)

...
StartupWMClass=<class>