Zellior

Better performance for low-end PCs, potato PCs. Possibly on mobile, and also on some mid- or high-end PCs

A 2 in 1 PVP and Optimization modpack which improves FPS and PVP client-side while keeping it vanilla.

Better mobility in forests

Tweak the amount and size of all particles.

Side-on view of 2 players. Ported from TheobaldTheBird's mod.

Parry projectiles! Adds an enchantment called parry. Fully server-side

Translates chat live. Supports 249 languages.

This resource pack backports all textures from 1.21 to 1.8.9 so that 1.8.9 looks much better.