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Xeno is an open-source rendering optimization mod for Minecraft Java Edition that targets Fabric and NeoForge.

FabricNeoForgeClient-side onlyGNU General Public License v3.0 onlyOpen source26.2 – 26.3

What it does

Xeno is a copyleft rendering optimization mod released under the GNU General Public License v3.0 only. It was made because the author found no copyleft alternative among rendering optimization mods. Only the client needs it, so servers run without it and players install it alone. Builds exist for Fabric and NeoForge in 26.2 and 26.3, with 0.2.0 as the latest file for 26.3.

Key features

  1. Copyleft licensing

    The code is licensed under GPL 3.0, so derivative work must remain under the same terms.

  2. Semantic versioning

    Releases follow Semantic Versioning, and builds under the older Polyform license no longer receive updates.

  3. Rendering optimization

    The mod targets Minecraft rendering performance on the client side.

Compatibility

Latest build for each game version and loader.

26.30.2.00.2.0
26.20.1.60.1.6
ReleaseBetaAlphaNot available

Only full game releases are shown. This mod publishes no snapshot builds.

How it compares

Full comparison

BadOptimizations is a client-side mod for Fabric, Forge and NeoForge covering 1.19.1 – 26.3, released under the MIT License. ImmediatelyFast Backport is a client-side Fabric mod for 1.16.5, under the GNU Lesser General Public License v3.0 only. Xylene is a client-side Fabric mod for 1.21.11 and is not open source.

ModLoadersGame versionsEnvironmentUpdated
XenoFabric and NeoForge26.2 – 26.3Client-side only2026-10-15
BadOptimizationsFabric, Forge and NeoForge1.19.1 – 26.3Client-side only2026-09-16
ImmediatelyFast BackportFabric1.16.5Client-side only2026-05-17
XyleneFabric1.21.11Client-side only2026-05-21

Questions

Does Xeno need to be installed on the server?

No. It is installed on the player's side alone, so servers need nothing.

Which loaders does Xeno support?

Xeno is published for Fabric and NeoForge, for game versions 26.2 and 26.3.

In the catalog

Xeno is one of 3,545 Optimization mods on ModsFinder, and one of 2,575 Optimization mods for Fabric. 8,071 mods support Minecraft 26.3.

Similar mods

What the author says

Xeno is an open-source, copyleft rendering optimization mod. I made it because I noticed there really wasn't a good copyleft alternative out there as rendering optimization mods.
ExodusCoder9, on the Modrinth page

Official listing

Owner
ExodusCoder9
Published
2026-06-13
Updated on Modrinth
2026-10-15
Facts verified
2026-10-15

Tags