Daniel, I think it is something different. The updated version of nux doesn't improve the performance for me.
$ apt-cache policy libnux-3.0-0 libnux-3.0-0: Installiert: 3.10.0-0ubuntu1 Kandidat: 3.10.0-0ubuntu1 Versionstabelle: *** 3.10.0-0ubuntu1 0 100 /var/lib/dpkg/status 3.8.0-0ubuntu1 0 500 http://de.archive.ubuntu.com/ubuntu/ quantal/main amd64 Packages -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1055126 Title: dash preview animation is slow on high resolution screens (also fullscreen mode) To manage notifications about this bug go to: https://bugs.launchpad.net/unity/+bug/1055126/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs