I'm noticing this problem too. Mine is also the Intel 965GM Chipset on a Dell XPS M1330. I can't watch any HD videos on Youtube, Vimeo, or Totem. This was fixed up until the final release. It wasn't doing this in Alpha/Beta/RC.
-- [i965GM] Slow and tearing scrolling with composite enabled https://bugs.launchpad.net/bugs/464874 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