version: https://github.com/embeddedt/ModernFix/actions/runs/4833874810
config: mixin.perf.dynamic_resources=true

(1) mod: refinedstorage-1.9.18

Cover and Hollow Cover:

(2) resourcepack: VanillaTweaks_r738430.zip
(https://vanillatweaks.net/picker/resource-packs/ -> 1.16 -> Age 25 Kelp -> Download)

Other than that I haven't encountered any other problems. And this feature is real a magic, reducing my modpack 20s' launch time and 1gb memory usage.

I never use the RELEASE version. hahahaha

Both should now be fixed. Appreciate the reports. :)