Mob Collision Off - removes the collision of mobs with each other to improve performance.
Perhaps it can increase FPS, because it does not calculate the repulsion of entities.
We can arrange to order a mod at discord, my nickname is Gvoper.
(CurseForge Yes, that was my full card number, I don't see anything dangerous in it, I do exactly the same thing on Modrinth, what's wrong? and I use Yandex. Translate)