Overview
Capsaicin is a carefully curated Fabric modpack for Minecraft 1.21.5 that delivers rock-solid performance, stunning visuals and smart quality-of-life improvements. Whether you’re exploring massive biomes, running a busy server, or simply chasing maximum FPS in vanilla, Capsaicin gives you the tools to customize every aspect of your experience—no compromise between speed, eye candy or convenience.
Key Features
Performance Optimizations
Sodium + Sodium Extra: Low-level rendering rewrite for huge FPS gains
Lithium: Server-side logic optimizations to reduce lag spikes
FerriteCore: Memory defragmentation for lower RAM usage
C2ME: Concurrent chunk & entity processing for smoother multicore performance
Entity Culling & MoreCulling: Skip rendering of off-screen or occluded entities
Dynamic FPS: Automatically throttle framerate in low-action scenes
Fast IP Ping: Preemptively measure server latency for faster joins
Visual Enhancements
Iris: Full shader support on Fabric
Blur: Subtle UI & background blur effects
Falling Leaves: Animates drifting leaves in forests
ModelFix: Corrects broken block & item models
Zoomify: Smooth, adjustable zoom for scouting or screenshots
UI & Quality-of-Life Improvements
RoughlyEnoughItems (REI): In-game recipe & item lookup
Jade: On-screen entity & block tooltips
Searchables: Searchable inventories, chests & containers
Mouse Tweaks: Intuitive click-and-drag item movement
Clumps: Merge XP orbs to reduce entity count
Controlling & Controlify: Advanced key-bind visualization & remapping
ShulkerBoxTooltip: Preview contents of shulker boxes in your inventory
Immersion & Social
VoiceChat: Proximity voice chat for Fabric servers
Chat Heads: Floating avatars above players’ heads
Capes: Custom wearable capes
PresenceFootsteps: Dynamic footstep sounds by surface
JourneyMap: Real-time minimap & world mapper