Going back about two years there has been work on properly supporting Wine on POWER 64-bit (PPC64). Now past the Wine 6.0 stable release, it looks like that work that work is finally beginning to land. In conjunction with Hangover to handle the cross-architecture aspect, the hope is to eventually allow Windows x86 programs to work on libre POWER systems or at the very least with native Winelib support to help in porting open-source Windows software to IBM POWER / OpenPOWER...
While it was a sad blow when PC-BSD/TrueOS stopped pursuing its desktop ambitions as what was arguably the leading BSD desktop operating system out there with a nice end-user experience, since then we have seen efforts like MidnightBSD, GhostBSD, and others fill the avoid with continuing to enhance the out-of-the-box BSD desktop system. A new entrant that is quite interesting is helloSystem that aims to be a "macOS of BSDs" for a polished desktop experience...