Texture issue is more obvious in the new 26.3 snapshot 1, green showing up behind the orange.
Was able to replicate this in 26.2 Release Candidate 1, it occurs when an entity is touching a minecart. Constant noise can be achieved by a player standing on the minecarts as well.
Texture issue is more obvious in the new 26.3 snapshot 1, green showing up behind the orange.