Just an update, I found out that my problem is caused by the "Tab Mix Plus" Add-on. After disabling it, my customizations remain after a firefox restart.
Will keep it like this for now. Sorry for my mis-posting... -- [Intrepid] Unable to customize Firefox toolbars https://bugs.launchpad.net/bugs/275408 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
