Unable to drag anything onto the timeline: clips, effects, transitions. This renders kdenlive effectively unusable. SOFTWARE/OS VERSIONS Linux/KDE Plasma: Ubuntu 23.04 23.04 (x86_64) Installed from the official kdenlive PPA.
This is a bug in the Gnome Mutter compositor, affecting all Qt applications, see: https://gitlab.gnome.org/GNOME/mutter/-/issues/2715