Hi, it seems that optifine has broken something again, can I fix it within optiforge?
World from version 1.15.2, textures on some blocks are not displayed correctly. This is reproduced on any version of optifine+optiforge for minecraft 1.16.x
it is noteworthy that the position of the block is also important, for example, the open trapdoor is displayed correctly, and the closed one is incorrect
If you restart the resource pack, the bug disappears. If you re-enter the world several times, the textures of other blocks may break. But most often it is the trapdoors.

Managed to find a working test case
sp614x/optifine#5035