Performance

Particle optimizations: Culling, rendering optimizations, configurable particle-type-specific spawn reduction, and potion particle disabling. Compatible with Sodium, improves performance over Sodium alone.

Reduce stuttering when generating new chunks

Ports the Fast Bubbles setting from Bedrock Edition!

Async particle tick/rendering

Making barriers visible and other mapmaking help.

A Level of Detail rendering mod

A hacky fix for server lag spikes when generating shipwreck buried treasure map / explorer map loot.

Implementing Nvidia reflex in Minecraft to reduce latency

MultiLoader particle culling mod to improve performance

Highly unstable alternative world format for Minecraft. Here be dragons.

Mod for dynamically adjusting the servers view distance based on performance.

The vertical chunk section syncing mod.

This mod is a collection of tweaks and optimizations that improve Minecraft Beta 1.7.3 performance.

Eliminate lag spikes on render thread caused by IllegalStateException thrown in Scoreboard.removeScoreHolderFromTeam().