nerf-spawner-mobs : false (Ensures mobs from spawners act normally) max-entity-collisions : 8 (Vanilla default)

What specific behavior are you trying to keep or fix (e.g., )? Let me know so I can refine these settings for you.

What is the best way to make Paper as close as possible to Vanilla?

disable-teleportation-suffocation-check : false (Keeps vanilla safety checks) Mob Activation Range:

Based on your request, it seems you are looking for configuration settings for a software—likely "Paper" (a Minecraft server software) or a similar application—to make it run in a "legit" or vanilla-like manner (i.e., reducing non-vanilla gameplay mechanics).

Are you running or is this another type of "paper" or "rar" file?