Fabric 1.21.1 Mods
BadOptimizations
A collection of micro optimizations that enhance lightmap updates, sky color calculations, and more.
Better Chunk Loading
Predicts player movement and pre-loads chunks, increases chunk loading speed.
Better Fps - Render Distance
Adds a few performance improvements to increase fps.
Clumps
Clumps groups XP orbs together into a single entity to reduce lag.
Connectivity
Improves server connection stability and reduces lag spikes.
Cull Leaves
Adds culling to leaf blocks, providing a huge performance boost over vanilla.
Dynamic FPS
Reduce resource usage while the game is in the background or idle.
Dynamic View
During server lag view distance and simulation distance get reduced.
Entity Culling
Skips rendering non-visible entities and block entities to improve FPS.
Fast Async World Save
Asynchronous saving of world data all 5 minutes to reduce lag spikes.
FerriteCore (Fabric)
Memory optimization mod that reduces RAM usage without affecting gameplay.
Fix GPU Memory Leak
A mod that fixes some bugs which leak resources within GPU memory.
Get It Together Drops!
Adds options to control how dropped items combine, improving performance in areas with many items.
ImmediatelyFast
Immediate mode rendering performance of the client.
Krypton
Highly optimized Netty handlers from the Velocity proxy, reducing CPU usage and tick times while improving memory efficiency.
Lithium
Tick time optimizations that enhances various systems without altering behavior and make the game faster.
Max Health Fix
Fixes an old bug that causes the "Max Health" attribute to be ignored when a player joins the game.
ModernFix
Improves game loading times and fixes various performance issues in modern Minecraft.
Nerunia - Ticking Entity Fixer
Prevents ticking crashes from bricking worlds.
Noisium
Optimises worldgen performance for a better gameplay experience.
Not Enough Recipe Book [NERB]
Completely removes the recipe book from the game, improving performance by removing recipe names.
Sodium
Powerful rendering engine and optimizations, which improves frame rates and reduces micro-stutter, while fixing many graphical issues.
Spark
Performance profiler used to diagnose performance issues: "lag", low tick rate, high CPU usage, etc..
Too Many Entities
Hide extra entities in order to reduce lag, especially with mob farms.
MoreCulling
Changes how multiple types of culling are handled in order to improve performance.
ServerCore
Several patches & optimizations to improve performance and reduce lagspikes.