Control: reopen -1 > Duplicate of bug #916846 [1] that is already fixed.
#916846 has been fixed just by merging the libreoffice-ogltrans into libreoffice-impress. The problem is still valid; I cannot use OpenGL transitions. Upstream version doesn't have this bug, but it's present in Debian. So I think this should not be considered closed now. -- Alexander Kernozhitsky