http://bugs.winehq.org/show_bug.cgi?id=33212
--- Comment #12 from Frédéric Delanoy frederic.delanoy@gmail.com 2013-06-17 14:53:07 CDT --- (In reply to comment #10)
http://www.winehq.org/pipermail/wine-patches/2013-June/124812.html http://www.winehq.org/pipermail/wine-patches/2013-June/124813.html http://www.winehq.org/pipermail/wine-patches/2013-June/124814.html
These patches include a test case with a fix for this regression.
No change in menu size for me (e.g. in notepad as the OP) with these patches applies, using wine-1.6-rc2-20-gd6109e3.