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Concurrent Chunk Management Engine (Fabric)

Concurrent Chunk Management Engine (Fabric)

A Fabric mod designed to improve the chunk performance of Minecraft.

10.69M
5,056
Optimization

Compatibility

Minecraft: Java Edition

24w35a
1.21.x
1.20.x
1.19.x
1.18.x
1.17.1

Platforms

Fabric

Supported environments

Client-side
Server-side
Client and server

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Links

Report issues View source Join Discord server

Creators

ishland
ishland Owner
duplexsystem
duplexsystem Member

Details

Licensed MIT
Published 3 years ago
Updated 3 days ago
DescriptionGalleryChangelogVersions

Show all versions

1
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24

0.3.5+alpha.0.3 devbuild for 1.21.8

by ishland on Jul 17, 2025
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This version is uploaded automatically by GitHub Actions.

Changelog:

  • 606eca3a build: 1.21.8 - ishland

0.3.5+alpha.0.2 devbuild for 1.21.8-rc1

by ishland on Jul 16, 2025
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This version is uploaded automatically by GitHub Actions.

Changelog:

  • bae17c25 fix: publishing 1.21.8 - ishland

0.3.4+beta.1.0 preview for 1.21.7

by ishland on Jul 6, 2025
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C2ME 0.3.4+beta.1 for Minecraft 1.21.7 is released

Beta for 1.21.7, fixing bugs and improving performance.

Changelog:

  • new: fully threaded scheduling This change removes the need for a scheduler thread and makes ping-pongs between worker threads and the server thread less frequent, which should lower the chunk system latency primarily for Windows users and bring a slight throughput per core improvement to all users.
  • change: aggressively unload and avoid loading unneeded chunks by default
  • change: make stacktraces in errors after multiple retries more readable
  • fix: race condition in handling chunk busy state

0.3.2+alpha.0.44 devbuild for 1.21.4

by ishland on Jul 3, 2025
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This version is uploaded automatically by GitHub Actions.

Changelog:

  • 003a515c fix: mitigate sodium bug - ishland

0.3.4+alpha.0.46 devbuild for 1.21.7

by ishland on Jul 1, 2025
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This version is uploaded automatically by GitHub Actions.

Changelog:

  • 6e52c994 fix: race condition in handling busy state - ishland

0.3.4+alpha.0.45 devbuild for 1.21.7

by ishland on Jun 30, 2025
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This version is uploaded automatically by GitHub Actions.

Changelog:

  • c3782bd1 build: 1.21.7 - ishland

0.3.4+alpha.0.44 devbuild for 1.21.7-rc2

by ishland on Jun 26, 2025
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This version is uploaded automatically by GitHub Actions.

Changelog:

  • 7fe7a2ff build: 1.21.7-rc2 - ishland

0.3.4+alpha.0.43 devbuild for 1.21.7-rc1

by ishland on Jun 25, 2025
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This version is uploaded automatically by GitHub Actions.

Changelog:

  • 0729cda4 build: 1.21.7-rc1 - ishland

0.3.4+alpha.0.42 devbuild for 1.21.6

by ishland on Jun 17, 2025
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This version is uploaded automatically by GitHub Actions.

Changelog:

  • b1ee0bcb build: 1.21.6 - ishland

0.3.4+alpha.0.41 devbuild for 1.21.6-rc1

by ishland on Jun 12, 2025
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This version is uploaded automatically by GitHub Actions.

Changelog:

  • 9e7658c2 build: update FlowSched - ishland
  • aa0d4858 new: lowMemoryMode again - ishland
  • bc42a9ca change: fabric-api for 1.21.6 should have CHUNK_LEVEL_TYPE_CHANGE - ishland

0.3.4+alpha.0.38 devbuild for 1.21.6-rc1

by ishland on Jun 12, 2025
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This version is uploaded automatically by GitHub Actions.

Changelog:

  • d007afcb fix: oops moment - ishland

0.3.4+alpha.0.37 devbuild for 1.21.6-rc1

by ishland on Jun 12, 2025
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This version is uploaded automatically by GitHub Actions.

Changelog:

  • ade482d8 build: 1.21.6-rc1 - ishland

0.3.4+alpha.0.36 devbuild for 1.21.6-pre4

by ishland on Jun 10, 2025
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This version is uploaded automatically by GitHub Actions.

Changelog:

  • 5207606c build: 1.21.6-pre4 - ishland

0.3.4+alpha.0.35 devbuild for 1.21.6-pre3

by ishland on Jun 4, 2025
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This version is uploaded automatically by GitHub Actions.

Changelog:

  • 33ac8b18 build: 1.21.6-pre3 - ishland

0.3.4+alpha.0.34 devbuild for 1.21.6-pre2

by ishland on Jun 2, 2025
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This version is uploaded automatically by GitHub Actions.

Changelog:

  • bdabd929 build: 1.21.6-pre2 - ishland

0.3.4+alpha.0.20 devbuild for 1.21.5

by ishland on May 30, 2025
Download

This version is uploaded automatically by GitHub Actions.

Changelog:

  • 9d042bab fix: clear "broken" flag when unloaded but not removed - ishland

0.3.4+alpha.0.19 devbuild for 1.21.5

by ishland on May 29, 2025
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This version is uploaded automatically by GitHub Actions.

Changelog:

  • 4f2326f7 fix: mitigate sodium bug in another way - ishland

0.3.4+alpha.0.33 devbuild for 1.21.6-pre1

by ishland on May 28, 2025
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This version is uploaded automatically by GitHub Actions.

Changelog:

  • 7684ab5d new: add elapsed time to task dump - ishland
  • 3e43b775 build: 1.21.6-pre1 - ishland
  • a7d17730 Merge branch 'dev/1.21.5' into dev/1.21.6 - ishland

0.3.4+alpha.0.18 devbuild for 1.21.5

by ishland on May 26, 2025
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This version is uploaded automatically by GitHub Actions.

Changelog:

  • 7684ab5d new: add elapsed time to task dump - ishland

0.3.3.0.0 release for 1.21.5

by ishland on May 25, 2025
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C2ME 0.3.3 for Minecraft 1.21.5 is released

Changelog:

  • perf: enabled-by-default filterFluidPostProcessing massively reduces the server thread overhead when flying over oceans and flooded caves
  • new: implements FabricMC/fabric#4541
  • fix: correct failfast behavior in Util
  • fix: never downsize global map
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