please update and drop tabmix plus and see if it still happens. i can confirm this was fixed since i brought it up to Alexander as soon as i saw it on testing versions of firefox.
-- Firefox only shows default icons in toolbars with tabmixplus and ubufox installed https://bugs.launchpad.net/bugs/281348 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs