Mods for 1.21
1,082 mods match your filters.
A mod that improves sound engine performance and raises Minecraft sound sources limit in a simple way
Updated version of Better Biome Blend, a mod that improves Biome Blending
This mod fixes a bunch of crash exploits discovered in Minecraft.
Fixes the issue where grass and other small blocks obstruct Wither spawning!
Fixes incorrect snow generation on tree leaves MC-119599
Makes Minecraft's fullscreen mode more configurable
Optimises worldgen performance for a better gameplay experience.
Launch at the speed of light.
A mod that fixes some annoyances and speeds up your game!
A lightweight entity-tick-scheduler for doubling your TPS.
XXL Packets is a fork of XL Packets which raises the packet size limit from 2MB to the Java Integer limit (2.147483647 GB).
Provides helpful icons around the crosshair when certain conditions are met.
Asynchronous logging and efficient filtering - performance improvements and utility for keeping your logs clean
Have complete control over the volume of every sound in the game, with both global and region-based audio controls.
Makes chests use static block models for improved performance.
Fixes invalid keycodes logging obnoxious and constant messages
Optimize datapack / resourcepack zip file loading times
Change resolution without affecting the UI
The "Improved Pillager Outpost" Datapack revamps the standard Minecraft Pillager Outpost into a challenging, multi-level tower. This overhaul adds detailed architecture, tougher enemies, and exclusive loot, creating a more immersive and rewarding experie
Adds tags and configuration options for defining how dropped items should combine.
See what's lagging your server.
A solution to packet errors, ideal for large datapacks.
A client-side optimization mod to make block entities render faster
Alternative CIT format for large collections of variants with repeating patterns.