https://bugs.winehq.org/show_bug.cgi?id=51713
--- Comment #12 from Shmerl shtetldik@gmail.com --- Clarification, the game starts and isn't crashing anymore, but the UI of the plugin itsefl isn't working with built in HLSL compiler. You still need the native override of d3dcompiler_47 for it to work.
So I assume compiler support is incomplete.