Among the wine 1.6 highlights are OpenGL DIB support, RandR 1.2/1.3 support, the Mac driver for not having to rely upon X11, Direct3D off-screen rendering, early 64-bit ARM support, dynamic device support, a Direct3D shader compiler, multi-channel ALSA audio handling, and thousands of other changes.
For more details visit wine wiki
The source is available from the following locations:
Binary packages for various distributions will be available from:
You will find documentation on http://www.winehq.org/documentation
You can also get the current source directly from the git
repository. Check http://www.winehq.org/git for details.
Features below, taken from http://www.winehq.org/announce/1.6