According to the Wine 1.3.17 release announcement at WineHQ.org, this new development snapshot implements support for the new file dialogs that were introduced in Microsoft Windows Vista, initial support for patching in MSI installers, improvements to the calendar control, a few fixes for file associations, and menus being cleared up for built-in applications.
There's also various bug-fixes, as always. When it comes to the Wine Direct3D support, the texture implements appear to have been unified, various extension definitions have been fixed, and there's various Direct3D 9.0 level changes.
In related news, CodeWeavers continues bringing up a Wine test facility for Wine atop early Phoronix Test Suite 3.2-Grimstad code on OpenBenchmarking.org. Stefan Dösinger has brought up Half-Life 2 and various 3DMark test profiles so far within Wine and Windows 7. On this OpenBenchmarking.org page are some of his initial tests. He's in the process of narrowing down the test criteria and setting up the appropriate mechanisms so that Wine's going to be automatically benchmarked from Git using the Phoronix Test Suite software, etc. So far it's turning out very well for them.