If you want even closer-to-vanilla performance, you may consider using Fabric with optimization mods instead of Paper.
allow-piston-duplication : true (If you want to keep technical farms, set to true ; set to false for stricter vanilla) allow-headless-pistons : false AlterNative legit settings.rar
nerf-spawner-mobs : false (Ensures mobs from spawners act normally) max-entity-collisions : 8 (Vanilla default) If you want even closer-to-vanilla performance, you may
entity-activation-range : Set animals and monsters to higher values (e.g., 32 or higher) or the default, rather than reducing them for performance. If you want even closer-to-vanilla performance
To make Paper behave like vanilla Minecraft, you need to modify the paper-world-defaults.yml (or paper.yml in older versions) and spigot.yml files. Fix Gameplay Mechanics: fix-wither-targeting : false (Keeps vanilla wither behavior) fix-wither-spawning : false