The bug

Compared to java edition, the glow lichen texture is mirrored horizontally.

Bedrock                                                         Java

Which version should be considered correct? In this case, Java, because the texture file in both editions looks like this:

By the way, when the lichen is on the ground, it always faces the same way in both editions, so that's good. When it's on the ceiling, the bedrock texture seems to be rotated 180 degrees compared to java.