Xournal which is currently shipped by default on Fedora Design Suite has
remained stale since 2016. Enter xournal++, a fork started as a rewrite
in c++ to evolve beyond. The author of xournal even encourage its use
considering the compatibility with the format.
Here is the ticket:
https://bugzilla.redhat.com/show_bug.cgi?id=1771173
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Luya Tshimbalanga
Fedora Design Team
Fedora Design Suite maintainer