Same issue here, System -> Preferences -> Appearance -> Visual Effects -> Extra
"The Composite extension is not available" Using an ATI with amdcccle setup, Xinerama enabled. None of the solutions above helped, compiz packages were already installed and reinstall did not fix. -- Visual effects not working anymore after updates https://bugs.launchpad.net/bugs/563023 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