A light-themes update was just pushed out which mentioned in its changelog that it was to fix this problem. I received it along with the new session selector design. I can confirm that after applying the updates and restarting my machine, the black square is no longer present.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/932149 Title: Black square shown behind session selection cog To manage notifications about this bug go to: https://bugs.launchpad.net/unity-greeter/+bug/932149/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
