It looks like the file dialog is being slowed by scanning network shares. Please try removing those (temporarily) and tell us if the problem goes away.
Please also reproduce the problem and then run: dmesg > dmesg.txt and attach the file 'dmesg.txt' to this bug. ** Package changed: gnome-shell (Ubuntu) => gtk+3.0 (Ubuntu) ** Tags added: performance -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-shell in Ubuntu. https://bugs.launchpad.net/bugs/1820866 Title: File dialog extremely slow To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gtk+3.0/+bug/1820866/+subscriptions -- desktop-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
