Wine v2.21 is released. Wine is a project to allow a PC running a Unix-like operating system and the X Window System to run x86 programs for Microsoft Windows. Alternately, those wishing to port a Windows application to a Unix-like system can compile it against the Wine libraries.

Wine v2.20 Changelog:
Still more metafile support in GdiPlus.
Indirect draws support in Direct 3D.
Calling convention fixes on ARM.
Improved serial port detection on Linux.
Services fixes on WoW64.
Better DPI scaling in the Shell Explorer.
Various bug fixes.

Download: Wine v2.21
Source: Here