After upgrading my primary desktop machine (installed using Ubuntu Desktop edition, not Server) from Lucid to Maverick, I can reproduce this bug from within a VNC desktop session. Therefore, it should be reproducible on any Maverick default installation when using the Ambience theme in VNC.
After upgrading my primary desktop machine (installed using Ubuntu Desktop edition, not Server) from Lucid to Maverick, I can reproduce this bug from within a VNC desktop session. Therefore, it should be reproducible on any Maverick default installation when using the Ambience theme in VNC.