After some digging I found https://github.com/flatpak/flatpak/issues/5462 and alas: sudo sysctl -w kernel.apparmor_restrict_unprivileged_userns=0 makes thumbnail generation work again.
-- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to nautilus in Ubuntu. https://bugs.launchpad.net/bugs/2054183 Title: nautilus not generating thumbnails anymore To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nautilus/+bug/2054183/+subscriptions -- desktop-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
