One important cause of this bug is an issue in the default GTK theme: <https://bugzilla.mozilla.org/show_bug.cgi?id=563887>
Installing a different theme improves performance a lot. One good default is: <https://addons.mozilla.org/en-US/firefox/addon/os-x-yosemite/> ** Bug watch added: Mozilla Bugzilla #563887 https://bugzilla.mozilla.org/show_bug.cgi?id=563887 ** Also affects: firefox via https://bugzilla.mozilla.org/show_bug.cgi?id=563887 Importance: Unknown Status: Unknown ** Summary changed: - Slow typing in Firefox + Slow performance in Firefox, with slow typing ** Tags added: trusty wily xenial ** Tags added: vivid ** Changed in: firefox (Ubuntu) Importance: Undecided => High ** Changed in: firefox (Ubuntu) Status: Confirmed => Triaged ** Summary changed: - Slow performance in Firefox, with slow typing + Slow performance in Firefox interface, with slow typing ** Summary changed: - Slow performance in Firefox interface, with slow typing + Slow performance in Firefox interface, with delayed typing -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/990997 Title: Slow performance in Firefox interface, with delayed typing To manage notifications about this bug go to: https://bugs.launchpad.net/firefox/+bug/990997/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
