Apparently it's a bug in libx11, which persisted for a long time but became much more likely with an update in libxcb. Please see the still open merge request/patch at
https://gitlab.freedesktop.org/xorg/lib/libx11/-/merge_requests/34 Further reading: This bug report (as it turned out now, it's probably *not* a bug in gtk though): https://gitlab.gnome.org/GNOME/gtk/-/issues/2767 -- You are receiving this because you are subscribed to this thread. Reply to this email directly or view it on GitHub: https://github.com/geany/geany/issues/1962#issuecomment-640180147
