https://bugs.winehq.org/show_bug.cgi?id=51063
--- Comment #2 from Robbert van der Helm mail@robbertvanderhelm.nl --- @Sveinar Søpler
Check the commit I linked for the version changes I'm talking about. These two version strings are independent of the Windows version you select in winecfg. While I was bisecting this, the Windows version option in winecfg was kept at Windows 7 the entire time.