I frequently play with shaders, and noticed that the weak sky render is no longer available within the configs. I am assuming skyRenderingConstellations is the replacement to it, however It appears to not be functioning for me. Before I try and troubleshoot further I just wanted to check the format that you need to add dimension IDs to the list. Currently I only have skyRenderingConstellations = ["minecraft:overworld"]
Is this the correct format? Is the config not implemented yet? Or have I done something completely wrong.
Sorry about bringing up an issue that I know is not fully supported, thank you for all your hard work on the mod! I look forward to solving this issue.

That is indeed the correct config option and the correct dimension name for the overworld.

It seems like Optifine has changed something with its shaders in 1.15+ so i've seen a lot of examples where this still doesn't work properly. As it stands i can't do much about it either unfortunately.

Ah, sorry. Just wanted to try and see if there was anything I could do on my end to solve this. Thanks for the quick response!