(Wine Bug #32328) Many .NET and Silverlight applications require SIO_ADDRESS_LIST_CHANGE for interface change notifications
(Wine Bug #31858) Netflix on Firefox fails with Internet Connection Problem when loading bar is at 99%
(Wine Bug #34406) Finale Notepad 2012 doesn't copy/create user files on program start
(Wine Bug #17273) Many apps and games need SetNamedPipeHandleState implementation (support for named pipe message mode)(FireFox+Flash, Win8/NET 4.x SDK/vcrun2012, WiX installers)
(Wine Bug #12401) Support junction points, i.e. DeviceIoCtl(FSCTL_SET_REPARSE_POINT/FSCTL_GET_REPARSE_POINT)
(Wine Bug #5048) Multiple applications and games need support for ws2_32 SIO_GET_EXTENSION_FUNCTION_POINTER TransmitFile (WSAID_TRANSMITFILE)
(Wine Bug #32323) Netflix (Silverlight 4.x) and several .NET Framework 3.x/4.0 WPF apps require either Arial or Verdana to be installed
(Wine Bug #15980) Rhapsody 2 crashes on startup (GetSecurityInfo returns NULL DACL for process object)
(Wine Bug #29903) Some Microsoft debuggers fail to enumerate processes due to wtsapi32.WTSEnumerateProcessesW() being a stub (Microsoft Visual Studio 2005, DbgCLR from .NET 2.0 SDK)

Besides that the following additional changes are included:

XEMBED support for embedding Wine windows inside Linux applications
Support for PulseAudio backend for audio
Support for GetVolumePathName
Lockfree algorithm for filedescriptor cache (improves file access speed)
Workaround for shlwapi URLs with relative paths
Reduced SetTimer minimum value from 15 ms to 5 ms (improves Silverlight framerates)
Other Pipelight specific enhancements