Shaders not working anymore?

[StripTheSoul]

I didn't want to open a new thread for this, so I hope it's fine here:
Using a Post-Processing Effect (in my case FXAA) in recent master builds gives me an error message, saying "Failed to compile pixel shader". Are the effects not supported anymore?

[Garteal]

Split your post as it had nothing to do with Asmodeans suite.

The shaders work fine on my end so they are definitely still supported.
What drivers are you on at the moment? Maybe someone with an NVIDIA GPU can shed some light unto this.