I listed the extensions supported by these implementations in my HackerNews post about them: Fun fact: Windows Vista/7 had THREE separate OpenGL implementations built in | Hacker News. Thought it was worth mentioning here.
In addition, I found some very old threads mentioning this wrapper that I would like to keep links to:
And I’d also like to ask again the moderators to merge this topic with its “part 1” one, mentioned in the first post.