So I've been using EF/SF and ASP4 without ASCA and I've notice a few minor issues.  On occasion, I see flickering or competing cloud textures.  Its almost like maybe the software isn't able to decide on a cloud texture type?  Very weird.  The other one I noticed is when using the ASP4 for wx, and EF/SF, The auto modes all pretty much go to Running except "Scene Lighting".  When I close ASP4 and enable the SF wx engine, scene lighting goes to running, and honestly, looks much better to me.  Also - 3d cloud morphing I noticed is also waiting, but maybe this is because Im sitting idle on the ground.

Top is ASCA:

vs SF Engine below: 

Just to chime in on the popping clouds, i disabled all ASP4/ASCA, and am running only SF with its Wx engine and EF.  Still have popping on my current flight- so this doesn't look like its related to anything on the AS side of things.

I have the very same issues that you describe. Following this.

7 minutes ago, ErikBrouwer said:

I have the very same issues that you describe. Following this.

The popping or the lighting/weird flatish looking clouds or the lighting?  I kinda started this thread in regards to the fact lighting was off, but the more I dug in I'm noticing more oddities.  I had severe cloud popping with just SF and EF on a test flight (first time not using AS for weather).  Def not as good as AS for wx engine.  I flew out of an overcast condition and then it kinda popped back in around me.  I'm wondering if ASCA was stuck on in the background somehow fighting between cloud formations.