Update: Workaround no longer needed in my testing. (KDE Plasma 5.26.4, QT 5.17.5, Kernel 6.1.0
)
ref: https://bbs.archlinux.org/viewtopic.php?id=271872
- known nouveau bug, has problems with multi-thread opengl.
- Supposedly, qt already enforces it on x11.
Fix: Create /etc/profile.d/qt-fix.sh
with