Hello.
I have two panoramic textures that I am trying to combine at runtime to create a texture for sky box.
Either of them get mapped just fine when used in Panoramic Sky material, but when used in a sky shader both produce artifacts at the poles.

The code is (just one texture while figuring out the proper projection) as follows:

COLOR = texture(nebula_texture, SKY_COORDS).rgb;

What is missing in my set up?

EDIT Using Godot 4 Beta 3 (latest) -- the sky shader for the sky in world environment node (rather than panoramic material).

I'm not seeing that anywhere in the docs? What version of Godot are you using and what kind of shader are you running?