They could keep on developing updates to DirectX and whatever frameworks/libraries CAD software and the like might need. Keep the UI as is, but as 3rd party developers use the new APIs, Wine needs to adapt continuously.
General rules:
Exceptions may be made at the discretion of the mods.
They could keep on developing updates to DirectX and whatever frameworks/libraries CAD software and the like might need. Keep the UI as is, but as 3rd party developers use the new APIs, Wine needs to adapt continuously.