There's a new Wine development release out this Friday afternoon that incorporates a few new features that have been brewing within the development community over the past two weeks. This release is Wine 1.3.7.
According to WineHQ.org
the prominent changes in Wine 1.3.7 include improved system tray support, better support for installers with assemblies, msvcrt secure functions implemented, GStreamer support fixes, and many MSXML improvements. There's also the usual assortment of bug-fixes and translation updates.