Wined3d doesn't fully support OpenGL core profile
yet. This is a
problem when your drivers expose higher OpenGL version only for core
profile. See bug 38648 [1].
[1] -
https://bugs.winehq.org/show_bug.cgi?id=38648
You mean wine relies on legacy api that is removed in the core context?
Is there a list which parts would need to be reworked?