I had this bug after the upgrade to 16.04 (Ubuntu Gnome), and the bug was happening every time and only with this application. I fixed it changing the input method from xim to ibus, maybe this can be useful to solve the issue.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1554117 Title: gnome-software search bar duplicates letters while typing To manage notifications about this bug go to: https://bugs.launchpad.net/gnome-software/+bug/1554117/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs