Web deb doesn't run on Ubuntu 22.04

[jdatcmd]

jd@JD-Beelink:~/Downloads$ remarkable Traceback (most recent call last): File "/usr/bin/remarkable", line 65, in import remarkable File "/usr/lib/python3/dist-packages/remarkable/init.py", line 30, in from remarkable import RemarkableWindow File "/usr/lib/python3/dist-packages/remarkable/RemarkableWindow.py", line 26, in gi.require_version('GtkSource', '3.0') File "/usr/lib/python3/dist-packages/gi/init.py", line 129, in require_version raise ValueError('Namespace %s not available for version %s' % ValueError: Namespace GtkSource not available for version 3.0