Ristretto seems to open a misnamed PNG and JPG without issue in Xubuntu 22.04. Marking this issue as resolved.
** Changed in: ristretto (Ubuntu) Status: New => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1445788 Title: Chokes on images with wrong extension To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ristretto/+bug/1445788/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs