GIMP 2.10 isn't included in Ubuntu 18.04 and is therefore unsupported. However, by the output from the bug report, you're using 18.10 (for testing purposes, I'm guessing)? If so, I recommend editing your bug description.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1788439 Title: xubuntu 18.10 - gimp export with thumbnail changes to landscape To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gimp/+bug/1788439/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
