Not sure about Windows, but the Mac versions of the executables all show the version number.. I wouldn't hold my breath for any fixes. QMC2 hasn't been updated in like 4 or 5 months (were still at v0.196 and thats only if you build from the last SVN updates). Unless some miracle happens, seems like its been abandoned at this point. QMC himself hasn't been here since the last public release either.