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RailOptimizationMinecraft mod for 26.3

A simple mod that makes powered/activator rails turn on/off up to 20x faster.

server onlynewest supported release 26.3UtilityGame MechanicsOptimizationManagement
Latest version
2.5-snapshot.1
Minecraft
1.16 to 26.3
Java
Java 25+
Loaders
Fabric, NeoForge, Quilt, Forge
Licence
GPL-3.0-only
Downloads
557.2k
Updated
24 d ago
Available on
Modrinth
Space NodeOur hosting

Host RailOptimization servers

One click and RailOptimization is installed with the right loader, on hardware built for it.

  • 26.3
  • Fabric
  • NeoForge
  • Quilt
  • Forge
  • One click mod install
  • Loader matched for you
  • Ryzen CPUs
  • NVMe SSD
Deploy a serverFrom €0.90 per GB

Screenshots

Click a screenshot to open it. Screenshots are served from the author’s own host and belong to them.

Minecraft versions

Every version RailOptimization declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
26.3Fabric, NeoForge, Quilt, Forge25+declared15 Sept 2026
26.2Forge, Quilt, NeoForge, Fabric25+declared16 Jun 2026
26.1.2Forge, Quilt, NeoForge, Fabric25+declared9 Apr 2026
26.1.1Forge, Quilt, NeoForge, Fabric25+declared1 Apr 2026
26.1Forge, Quilt, NeoForge, Fabric25+declared24 Mar 2026
1.21.11Forge, Quilt, NeoForge, Fabric21+declared9 Dec 2025
1.21.10Forge, Quilt, NeoForge, Fabric21+declared7 Oct 2025
1.21.9Forge, Quilt, NeoForge, Fabric21+declared30 Sept 2025
1.21.8Forge, Quilt, NeoForge, Fabric21+declared17 Jul 2025
1.21.7Fabric, Quilt, NeoForge, Forge21+declared30 Jun 2025
1.21.6Fabric, Quilt, NeoForge, Forge21+declared17 Jun 2025
1.21.5Forge, Quilt, NeoForge, Fabric21+declared25 Mar 2025
1.21.4Forge, Quilt, NeoForge, Fabric21+declared3 Dec 2024
1.21.3Forge, Quilt, NeoForge, Fabric21+declared23 Oct 2024
1.21.2Forge, Quilt, NeoForge, Fabric21+declared22 Oct 2024
1.21.1Forge, Quilt, NeoForge, Fabric21+declared8 Aug 2024
1.21Forge, Quilt, NeoForge, Fabric21+declared13 Jun 2024
1.20.6Forge, Quilt, NeoForge, Fabric21+declared29 Apr 2024
1.20.5Forge, Quilt, NeoForge, Fabric21+declared23 Apr 2024
1.20.4Forge, Quilt, NeoForge, Fabric17+declared7 Dec 2023
1.20.3NeoForge, Fabric, Forge, Quilt17+declared4 Dec 2023
1.20.3-pre2Fabric, Quilt, NeoForge, Forge17+declared22 Nov 2023
1.20.2Forge, Quilt, NeoForge, Fabric17+declared20 Sept 2023
1.20.1Forge, Quilt, NeoForge, Fabric17+declared12 Jun 2023
1.20Forge, Quilt, NeoForge, Fabric17+declared2 Jun 2023
1.19.4Forge, Quilt, NeoForge, Fabric17+declared14 Mar 2023
1.19.3Forge, Quilt, NeoForge, Fabric17+declared7 Dec 2022
1.19.2Forge, Quilt, NeoForge, Fabric17+declared5 Aug 2022
1.19.1Forge, Quilt, NeoForge, Fabric17+declared27 Jul 2022
1.19Forge, Quilt, NeoForge, Fabric17+declared7 Jun 2022
1.18.2Fabric, Quilt, NeoForge, Forge17+declared28 Feb 2022
1.18.1Fabric, Quilt, NeoForge, Forge17+declared10 Dec 2021
1.18Forge, Quilt, NeoForge, Fabric17+declared30 Nov 2021
1.17.1Forge, Quilt, NeoForge, Fabric16+declared6 Jul 2021
1.17Forge, Quilt, NeoForge, Fabric16+declared8 Jun 2021
1.16.5Forge, Quilt, NeoForge, Fabric8+declared14 Jan 2021
1.16.4Forge, Quilt, NeoForge, Fabric8+declared29 Oct 2020
1.16.3Forge, Quilt, NeoForge, Fabric8+declared10 Sept 2020
1.16.2Forge, Quilt, NeoForge, Fabric8+declared11 Aug 2020
1.16.1Forge, Quilt, NeoForge, Fabric8+declared24 Jun 2020

1 older versions not shown.

Download

From RailOptimization’s own host. Nothing is re-hosted here.

Most recently published release

2.5-snapshot.1beta14 Oct 2026

railoptimization-2.5-snapshot.1+mc26.1.2-neoforge.jar · 0.1 MB · for 26.3, 26.2, 26.1.2, 26.1.1, 26.1 · NeoForge

Download this release
28a37af2be29…
Older versions17

Dependencies

What RailOptimizationdeclares it needs, from the author’s own release metadata. A required one has to be installed alongside it or it will not load.

Fabric APIRequired. Lightweight and modular API providing common hooks and intercompatibility measures utilized by mods using the Fabric toolchain.LithiumOptional. No-compromises game logic optimization mod, useful for both single-player games and multi-player servers.

Frequently asked

Does RailOptimization work on Minecraft 26.3?

Yes. 26.3 is the newest Minecraft version RailOptimization declares support for, and the claim comes from the author's own release metadata rather than from a compatibility list somebody maintains by hand.

Which Minecraft versions does RailOptimization support?

Everything the author has declared, from 1.16 up to 26.3. The full list is in the table above, with the Java runtime each version needs next to it.

Do I need to install RailOptimization on the client or the server?

The server only. Players join with an ordinary Minecraft client and install nothing.

Which platform or loader does RailOptimization support?

Fabric, NeoForge, Quilt, Forge. A build for one platform or loader will not necessarily load on another, so this is the first thing to check before the Minecraft version.

Which Java version do I need for RailOptimization?

Among the supported Minecraft releases above, the highest recorded requirement is Java 25 or newer. Use the requirement for the exact Minecraft version you run; previews and snapshots may differ.

What does RailOptimization need to run?

It declares Fabric API as required, so that has to be installed alongside it or it will not load. Each one is linked in the dependencies section above.

What licence is RailOptimization under?

GPL-3.0-only, as stated by the author on the platform we synced it from. Check the project's own page before redistributing or bundling it.

How do I install RailOptimization?

Install the matching loader first, then put the downloaded file in your mods folder and start the game. The loader, the mod and Minecraft all have to be on the same version, which is the usual reason a mod does not appear in game.

Where do I download RailOptimization safely?

Start with the author's page on Modrinth, which is where the data here is synced from. MCReference does not host or repackage files. When available, recorded download links go to the source for that release; verify the publisher, filename and any available checksum before running it.

Works on the same versions

Ordered by how much of the recent Minecraft version coverage overlaps, not by popularity.

GeckoLibA 3D animation library for entities, blocks, items, armor, and more!BookshelfAn open source library for other mods!Cloth Config API (Fabric/Forge/NeoForge)Config Screen API for MinecraftJourneyMapReal-time map used for mapping in-game or your browser as you explore.Architectury APIAn intermediary api aimed to ease developing multiplatform mods.Enchantment DescriptionsAdds in-game descriptions for enchantments to tooltips.

Details from Modrinth, where the author last updated it on 14 Oct 2026. We do not host files or republish descriptions. Available download links point to the author’s own release.

Is this information wrong or missing something? .