I can confirm that this bug exists in an installed, up-to-date Ubuntu 12.04 LTS and on the Ubuntu 12.10 Live CD. You can clearly see the shadow on a white presentation (screenshot attached).
** Attachment added: "unity-shadow-on-presentation.png" https://bugs.launchpad.net/ubuntu/+source/unity/+bug/956863/+attachment/3414883/+files/unity-shadow-on-presentation.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/956863 Title: Top panel shadow is drawn above presentation when using LibreOffice Impress with Presenter Console To manage notifications about this bug go to: https://bugs.launchpad.net/unity/+bug/956863/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs