It should be pretty straightforward to calculate motion vectors for arbitrary entities and other content if we make the assumption that a given entity renderer will generate its geometry in a consistent order each frame. This assumption seems logical for most vanilla content so as long as we can store the position vectors corresponding to a given entity somehow. And if that assumption is valid, then it should be feasible to implement this at a level somewhere between Batched Entity Rendering and the entity renderer.

Hello, any news on this one?
i’m having the same issue, (i’m using optifine though) i’ve tried all hrr versions (1.0, 2.0 ,2.1 and 3.0) but all have this issue, even 3.0 which says its fixed (in the patreon’s post it says so), is there something i can do to at least alleviate it?

Same problem here

i got the same issue! just added v3 and this is happening