Wine v4.4 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 v4.4 Changelog:
New MSIDB tool for manipulating MSI databases.
Support for custom draw buttons in common controls.
Many more Media Foundation APIs implemented.
Various bug fixes.

http://www.winehq.org/