Cura crashes upon startup.
The problem already got reported on community for cura 5.3 but is also present
in cura 5.0.0-3 :
https://community.ultimaker.com/topic/44538-cura-53-crashs-at-startup-linux/
This problem also got reported for RedHat :
https://bugzilla.redhat.com/show_bug.cgi?id=2252195
The patch mentioned here solves the problem :
https://github.com/Ultimaker/Cura/pull/17642/files
Thanks for doing the research, and thanks to mhroncok for fixing the issue.
I'll add the patch to our next upload.