Finally fixed upstream in 3.7.2, so it's fixed in Ubuntu 20.04. https://github.com/GNOME/gthumb/commit/5f9ed5810e3fa0e0be5cf983790cced5f1e5057f
** Changed in: gthumb (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/1315264 Title: "More extensions..." link inside gThumb UI leads to non-existing page To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gthumb/+bug/1315264/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs