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JasioneMinecraft mod for 26.3

Reduce GC pressure by safely eliminating Enum#values array cloning and memory allocation overhead through bytecode analysis

newest supported release 26.3Optimization
Latest version
1.0.9+26.1.2-neoforge
Minecraft
1.18.2 to 26.3
Java
Java 25+
Loaders
Fabric, Quilt, NeoForge, Forge
Licence
LGPL-3.0-only
Downloads
111.6k
Updated
1 mo ago
Available on
Modrinth
Space NodeOur hosting

Host Jasione servers

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

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

Minecraft versions

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

Other mods
MinecraftThroughJavaEvidenceReleased
26.3Fabric, Quilt, NeoForge, 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
1.21.10Fabric, Quilt, NeoForge, Forge21+declared7 Oct 2025
1.21.9Fabric, Quilt, NeoForge, Forge21+declared30 Sept 2025
1.21.8Forge, Quilt, NeoForge, Fabric21+declared17 Jul 2025
1.21.7Forge, Quilt, NeoForge, Fabric21+declared30 Jun 2025
1.21.6Forge, Quilt, NeoForge, Fabric21+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
1.21.2Fabric, Forge, NeoForge, Quilt21+declared22 Oct 2024
1.21.1Fabric, Quilt, NeoForge, Forge21+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
1.20.3Forge, Quilt, NeoForge, Fabric17+declared4 Dec 2023
1.20.2Forge, Quilt, NeoForge, Fabric17+declared20 Sept 2023
1.20.1NeoForge, Quilt, Forge, Fabric17+declared12 Jun 2023
1.20Fabric, Quilt, NeoForge, Forge17+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
1.18.2NeoForge, Forge, Fabric, Quilt17+declared28 Feb 2022

Download

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

Browse 71 indexed releases

For Minecraft 26.3

Choose the loader you use before downloading.

  • NeoForge

    1.0.9+26.1.2-neoforge · 2 Oct 2026 · jasione-1.0.9+26.1.2-neoforge.jar

    Get NeoForge

  • Fabric, Quilt

    1.0.9+26.1.2-fabric · 2 Oct 2026

    Multiple loaders are listed; verify the file before downloading.

    Choose file on publisher ↗

Most recently published release

1.0.9+26.1.2-neoforgerelease2 Oct 2026

jasione-1.0.9+26.1.2-neoforge.jar · 0.7 MB · for 26.3, 26.2, 26.1.2, 26.1.1, 26.1 · NeoForge

Download this release
cb4c8c26fe47…
Older versions24
  • 1.0.9+26.1.2-fabric2 Oct 202626.3, 26.2, 26.1.2, 26.1.1, 26.10.7 MBad6ff0c19eab…Choose file on publisher ↗
  • 1.0.9+1.21.11-neoforge2 Oct 20261.21.11, 1.21.100.7 MB61dc02ed40c2…Get
  • 1.0.9+1.21.11-fabric2 Oct 20261.21.11, 1.21.10, 1.21.9, 1.21.8, 1.21.7 +9 more0.7 MBcee9391028af…Choose file on publisher ↗
  • 1.0.9+1.21.1-neoforge2 Oct 20261.21.8, 1.21.7, 1.21.6, 1.21.5, 1.21.4 +4 more0.7 MBb7ec77038833…Get
  • 1.0.9+1.20.1-forge2 Oct 20261.20.6, 1.20.5, 1.20.4, 1.20.3, 1.20.2 +7 more1.3 MB4b95a47e3cfd…Get
  • 1.0.9+1.20.1-fabric2 Oct 20261.20.4, 1.20.3, 1.20.2, 1.20.1, 1.20 +6 more0.7 MBab3627b2ad46…Choose file on publisher ↗
  • 1.0.9+1.18.2-forge2 Oct 20261.18.21.3 MB4df0b97b32ba…Get
  • 1.0.8+26.1.2-neoforge25 Aug 202626.3, 26.2, 26.1.2, 26.1.1, 26.10.7 MB93a83e5cf65a…Get
  • 1.0.8+26.1.2-fabric25 Aug 202626.3, 26.2, 26.1.2, 26.1.1, 26.10.7 MB5f486d84ead6…Choose file on publisher ↗
  • 1.0.8+1.21.11-neoforge25 Aug 20261.21.11, 1.21.100.7 MBda7444437996…Get
  • 1.0.8+1.21.11-fabric25 Aug 20261.21.11, 1.21.10, 1.21.9, 1.21.8, 1.21.7 +9 more0.7 MBbc67535dde06…Choose file on publisher ↗
  • 1.0.8+1.21.1-neoforge25 Aug 20261.21.8, 1.21.7, 1.21.6, 1.21.5, 1.21.4 +4 more0.7 MBec86b415b9ad…Get
  • 1.0.8+1.20.1-forge25 Aug 20261.20.6, 1.20.5, 1.20.4, 1.20.3, 1.20.2 +7 more1.3 MBd0e82839ba77…Get
  • 1.0.8+1.20.1-fabric25 Aug 20261.20.4, 1.20.3, 1.20.2, 1.20.1, 1.20 +6 more0.7 MB045d9148277b…Choose file on publisher ↗
  • 1.0.8+1.18.2-forge25 Aug 20261.18.21.3 MB482d6c061849…Get
  • 1.0.7+26.1.2-neoforge21 Aug 202626.2, 26.1.2, 26.1.1, 26.10.7 MBeaf3977c47ca…Get
  • 1.0.7+26.1.2-fabric21 Aug 202626.2, 26.1.2, 26.1.1, 26.10.7 MBb5932321d1f2…Choose file on publisher ↗
  • 1.0.7+1.21.11-neoforge21 Aug 20261.21.11, 1.21.100.7 MBae12a3f76393…Get
  • 1.0.7+1.21.11-fabric21 Aug 20261.21.11, 1.21.10, 1.21.9, 1.21.8, 1.21.7 +9 more0.7 MBa4a2a316c5d5…Choose file on publisher ↗
  • 1.0.7+1.21.1-neoforge21 Aug 20261.21.8, 1.21.7, 1.21.6, 1.21.5, 1.21.4 +4 more0.7 MB84e74407a016…Get
  • 1.0.7+1.20.1-forge21 Aug 20261.20.6, 1.20.5, 1.20.4, 1.20.3, 1.20.2 +7 more1.3 MB16b5c79951c9…Get
  • 1.0.7+1.20.1-fabric21 Aug 20261.20.4, 1.20.3, 1.20.2, 1.20.1, 1.20 +6 more0.7 MBb794ff87a3c2…Choose file on publisher ↗
  • 1.0.7+1.18.2-forge21 Aug 20261.18.21.3 MB94cceabbb960…Get
  • 1.0.6+26.1.2-neoforge23 Jul 202626.2, 26.1.2, 26.1.1, 26.10.7 MB59 downloads5c7f0bb7064e…Get

Frequently asked

Does Jasione work on Minecraft 26.3?

Yes. 26.3 is the newest Minecraft version Jasione 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 Jasione support?

Everything the author has declared, from 1.18.2 up to 26.3. The full list is in the table above, with the Java runtime each version needs next to it.

Which platform or loader does Jasione support?

Fabric, Quilt, NeoForge, 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 Jasione?

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 licence is Jasione under?

LGPL-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 Jasione?

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 Jasione 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 2 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? .