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ImmediatelyFastMinecraft mod for 26.3

Speed up immediate mode rendering in Minecraft

client onlynewest supported release 26.3Optimization
Latest version
1.6.15+1.21.1-fabric
Minecraft
1.18.2 to 26.3
Java
Java 25+
Loaders
Fabric, Quilt, NeoForge, Forge
Licence
LGPL-3.0-or-later
Downloads
132.4M
Updated
13 d ago
Available on
Modrinth

Minecraft versions

Every version ImmediatelyFast 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 ImmediatelyFast’s own host. Nothing is re-hosted here.

Browse 52 indexed releases

For Minecraft 26.3

Choose the loader you use before downloading.

  • NeoForge

    1.17.1+26.3-neoforge · 17 Sept 2026 · ImmediatelyFast-NeoForge-1.17.1+26.3.jar

    Get NeoForge

  • Fabric, Quilt

    1.17.1+26.3-fabric · 17 Sept 2026

    Multiple loaders are listed; verify the file before downloading.

    Choose file on publisher ↗

Most recently published release

1.6.15+1.21.1-fabricrelease13 Oct 2026

ImmediatelyFast-Fabric-1.6.15+1.21.1.jar · 0.3 MB · for 1.21.1, 1.21 · Fabric, Quilt

Choose file on publisher ↗
d4ac2d574d80…
Older versions24
  • 1.6.15+1.21.1-forge13 Oct 20261.21.1, 1.210.5 MB9b648ebc28cf…Get
  • 1.6.15+1.21.1-neoforge13 Oct 20261.21.1, 1.210.4 MBc115cad7b060…Get
  • 1.17.1+26.3-neoforge17 Sept 202626.30.1 MB6fddcf7e9de2…Get
  • 1.17.1+26.3-fabric17 Sept 202626.397 KB8e139589fd99…Choose file on publisher ↗
  • 1.17.0+26.3-fabric16 Sept 202626.397 KBe2b6cd0fa661…Choose file on publisher ↗
  • 1.17.0+26.3-neoforge16 Sept 202626.30.1 MB6d42934774bb…Get
  • 1.16.5+26.2-fabric16 Sept 202626.298 KB5836b089072c…Choose file on publisher ↗
  • 1.16.5+26.2-neoforge16 Sept 202626.20.1 MB435e40e555c8…Get
  • 1.6.14+1.21.1-fabric13 Sept 20261.21.1, 1.210.3 MBd3f2748ac2b5…Choose file on publisher ↗
  • 1.6.14+1.21.1-forge13 Sept 20261.21.1, 1.210.5 MBd66547d35fdb…Get
  • 1.6.14+1.21.1-neoforge13 Sept 20261.21.1, 1.210.3 MB7d1c2e6ce306…Get
  • 1.16.4+26.2-fabric27 Aug 202626.296 KBb8b375e6d47a…Choose file on publisher ↗
  • 1.16.4+26.2-neoforge27 Aug 202626.20.1 MB18dbb155050d…Get
  • 1.6.13+1.21.1-forge27 Aug 20261.21.1, 1.210.5 MB6ddb551b208e…Get
  • 1.6.13+1.21.1-neoforge27 Aug 20261.21.1, 1.210.3 MB3ae569036780…Get
  • 1.6.13+1.21.1-fabric27 Aug 20261.21.1, 1.210.3 MB35c2ead75645…Choose file on publisher ↗
  • 1.16.3+26.2-neoforge16 Aug 202626.298 KBf74e633f352a…Get
  • 1.16.3+26.2-fabric16 Aug 202626.290 KB79321f00b737…Choose file on publisher ↗
  • 1.6.12+1.21.1-fabric16 Aug 20261.21.1, 1.210.3 MBe97ffeb5e2ca…Choose file on publisher ↗
  • 1.6.12+1.21.1-forge16 Aug 20261.21.1, 1.210.5 MBf60f8e726292…Get
  • 1.6.12+1.21.1-neoforge16 Aug 20261.21.1, 1.210.3 MB853c8746d0b2…Get
  • 1.16.2+26.2-neoforge11 Jul 202626.297 KB0687ebb135de…Get
  • 1.16.2+26.2-fabric11 Jul 202626.289 KB5f7c9d7993bf…Choose file on publisher ↗
  • 1.15.3+26.1-fabric30 Jun 202626.1.2, 26.1.1, 26.10.3 MBb665037aee8e…Choose file on publisher ↗

Frequently asked

Does ImmediatelyFast work on Minecraft 26.3?

Yes. 26.3 is the newest Minecraft version ImmediatelyFast 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 ImmediatelyFast 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.

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

The client only. There is nothing to install on the server side. That is the author's declared design, not a guarantee for every server: one running anti-cheat or missing a counterpart mod can still object.

Which platform or loader does ImmediatelyFast 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 ImmediatelyFast?

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 ImmediatelyFast under?

LGPL-3.0-or-later, 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 ImmediatelyFast?

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 ImmediatelyFast 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.

BookshelfAn open source library for other mods!GeckoLibA 3D animation library for entities, blocks, items, armor, and more!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.

Used by

2 projects list ImmediatelyFast as a required dependency.

MapMipMapModWhen maps in-game are rendered far away from the player, they cause artifacts. These artifacts happen because mipmaps for dynamic textures are disabled by default in Minecraft. This mod aims to solve this niche problem.FishModFishMod — SkyBlock dungeon mod Splits, crypt tracker, puzzle display Death messages & lag tracker Party commands (.pb, .cata, .fps…) Hub warp map HUD

Details from Modrinth, where the author last updated it on 13 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? .