RLTweaker

Smarter versioning system that will allow clients with RLTweaker 0.3.0 and up to connect.
Server owners do not need clients to update to this version and can take advantage of the performance improvements immediately.

"Damage Tilt", restores content from Minecraft 1.2.5 and earlier where taking damage tilts the screen in the direction of the damage.

'Less Collisions' patch, which allows for specific entity collision settings in environments where MAX_ENTITY_RADIUS is larger than 2.
This will fix the issue where lots of items on the ground after world generation cause unplayable tickrate and FPS.

''Concurrent Particles' patch, which addresses threading issues with mods that use the logical server to create particles on the physical client.

/rladvisor command to get advice on which patch settings to use

Battle Towers "Change Tower Explosion Owner", removes the player as the owner of battle towers explosions to fix Infernal Mobs issues.

Battle Towers "Golem Dormant Speed Fix", fixes bug where the golem builds up speed while dormant.