I have this exact same issue. Once or twice every second or so, a keystroke will be lost.
Restarting Firefox temporarily solves the issue, but it always come back. It seems to get worse the longer Firefox is open. All of this with Firefox only using 5% CPU. Man, typing this message alone was tedious and taxing. This bug is really starting to get unbearable. -- Firefox jittery, sometimes missing keystrokes and not smoothly scrolling https://bugs.launchpad.net/bugs/476995 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