Regressions are easiest to fix when caught quickly. Here's one that didn't get fixed in the latest version:
http://bugs.winehq.org/show_bug.cgi?id=8948
If anyone needs help reproducing it, you can ask me for help. It should be as simple as the (scrolled down) part of the bug report though - install both installers, then launch the lobby with your desktop link.
Thanks, Scott Ritchie