Ok, I think I have solved it: just removed unity-lens-applications (apparently it was still there and asking for ubuntu-desktop even if I uninstalled unity!). Next step to reboot and check!
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/876198 Title: When switching workspaces with rotate/cube previous Ws contents are momentarily displayed To manage notifications about this bug go to: https://bugs.launchpad.net/compiz/+bug/876198/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs