Ok, I'm marking this as invalid after having read this very detailed description of the situation:
https://forum.snapcraft.io/t/package-calibre-epub-books-reader/20436/11 Besides this particular comment all the thread is worth reading. ** Changed in: calibre (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1901921 Title: Sync calibre 5.3.0+dfsg-1 (universe) from Debian unstable (main) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/calibre/+bug/1901921/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
