I have this itemBlacklist. In JEI, its hiding all sub-items, like Fluid Cells with fluids, but leave original, empty Fluid Cell untouched.

With HEI this feature gone. Old blacklist not working, and i can't hide filled Fluid Cells and any other filled fluid containers anymore (like Capsules, Fluid Patterns, etc.).

If i hide one item - every item hiding:

This happens after updating 4.16.1 ⟶ 4.18.1
debug.log