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Chunkis

Chunkis

Chunkis is a high-performance, sparse storage engine for Minecraft. It slashes world save sizes by ~90% by only persisting player-made changes, using a custom binary format (CIS) designed for speed and efficiency.

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Compatibility

Minecraft: Java Edition

1.21.x

Platforms

Supported environments

Client and server

Links

Report issues View source

Tags

Creators

Details

Licensed Apache-2.0
Published 4 months ago

Chunkis 3.0.0

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Changelog

Changes

  • Migrated CIS storage format from Version 9 → 10.
  • Improved overall world stability and persistence reliability.
  • Improved performance through scheduling optimizations and multi-threading.
  • Removed the custom entity storage implementation since vanilla Minecraft already handles entity persistence correctly.
  • Fixed Nether Portal linking inconsistencies.
  • Significantly improved Nether Portal traversal speeds.

Files

chunkis-fabric-3.0.0.jar(265.83 KiB) Primary
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Metadata

Release channel

Beta

Version number

3.0.0

Loaders

Fabric

Game versions

1.21.11

Environment

Client and server, required on both

Downloads

98

Publication date

May 6, 2026 at 4:02 PM

Version ID