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FastBootMinecraft mod for 1.21.8

FastBoot: Accelerate Your Game Loading Time

newest supported 1.21.8TechnologyUtility QolLibrary ApiTechnology Processing
Latest version
fastboot-1.21.x-v1.3neo.jar
Minecraft
1.16 to 1.21.8
Java
Java 21+
Loaders
NeoForge, Forge, Fabric
Licence
not stated
Downloads
15.9M
Updated
3 mo ago
Available on
CurseForge

Minecraft versions

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

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.8NeoForge, Forge, Fabric21+declared17 Jul 2025
1.21.7NeoForge, Forge, Fabric21+declared30 Jun 2025
1.21.6NeoForge, Forge, Fabric21+declared17 Jun 2025
1.21.5Fabric, Forge, NeoForge21+declared25 Mar 2025
1.21.4Forge, NeoForge, Fabric21+declared3 Dec 2024
1.21.3NeoForge, Forge, Fabric21+declared23 Oct 2024
1.21.2NeoForge, Fabric, Forge21+declared22 Oct 2024
1.21.1NeoForge, Forge, Fabric21+declared8 Aug 2024
1.21NeoForge, Forge, Fabric21+declared13 Jun 2024
1.20.6Forge, NeoForge, Fabric21+declared29 Apr 2024
1.20.5Fabric, NeoForge, Forge21+declared23 Apr 2024
1.20.4NeoForge, Fabric, Forge17+declared7 Dec 2023
1.20.3NeoForge, Fabric, Forge17+declared4 Dec 2023
1.20.2NeoForge, Fabric, Forge17+declared20 Sept 2023
1.20.1NeoForge, Fabric, Forge17+declared12 Jun 2023
1.20Forge, Fabric, NeoForge17+declared2 Jun 2023
1.19.4NeoForge, Fabric, Forge17+declared14 Mar 2023
1.19.3NeoForge, Fabric, Forge17+declared7 Dec 2022
1.19.2Fabric, Forge, NeoForge17+declared5 Aug 2022
1.19.1NeoForge, Fabric, Forge17+declared27 Jul 2022
1.19NeoForge, Fabric, Forge17+declared7 Jun 2022
1.18.2NeoForge, Forge, Fabric17+declared28 Feb 2022
1.18.1Fabric, NeoForge, Forge17+declared10 Dec 2021
1.18NeoForge, Fabric, Forge17+declared30 Nov 2021
1.17.1NeoForge, Fabric, Forge16+declared6 Jul 2021
1.17NeoForge, Fabric, Forge16+declared8 Jun 2021
1.16.5Forge, Fabric, NeoForge8+declared14 Jan 2021
1.16.4Forge, Fabric, NeoForge8+declared29 Oct 2020
1.16.3NeoForge, Fabric, Forge8+declared10 Sept 2020
1.16.2Forge, NeoForge, Fabric8+declared11 Aug 2020
1.16.1Fabric, Forge, NeoForge8+declared24 Jun 2020
1.16Forge, NeoForge, Fabric8+declared23 Jun 2020

Download

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

fastboot-1.21.x-v1.3neo.jarrelease15 Sept 2025

fastboot-1.21.x-v1.3neo.jar · 0.0 MB · for 1.21, 1.21.1, 1.21.2, 1.21.3

Download latest
1c9101baf7e4…
Older versions10
  • fastboot-1.20.x-v1.3neo.jar15 Sept 20251.20, 1.20.1, 1.20.2, 1.20.3, 1.20.40.0 MB2d8632e31913…Get
  • fastboot-1.21.x-v1.3fabric.jar6 Apr 20251.21, 1.21.1, 1.21.2, 1.21.3, 1.21.40.0 MB13.8k downloadsecf33449e8cc…Get
  • fastboot-1.20.x-1.2fabric.jar12 Dec 20241.20, 1.20.1, 1.20.2, 1.20.3, 1.20.40.0 MB212.5k downloads72c11409a1c7…Get
  • fastboot-1.21.x-1.2.jar6 Sept 20241.21, 1.21.1, 1.21.2, 1.21.3, 1.21.40.0 MB26.1k downloadsbe1733d583f1…Get
  • fastboot-1.20.x-1.2.jar6 Sept 20241.20, 1.20.1, 1.20.2, 1.20.3, 1.20.40.0 MB1.6M downloads0820d6611bdf…Get
  • fastboot-1.20.x-1.1.jar5 Jun 20241.20, 1.20.1, 1.20.2, 1.20.3, 1.20.40.0 MB64.1k downloadsaf34ffcf3e4e…Get
  • fastboot-1.19.x-1.1.jar5 Jun 20241.19, 1.19.1, 1.19.2, 1.19.3, 1.19.40.0 MB121.1k downloads445f0e2f03c8…Get
  • fastboot-1.18.x-1.1.jar5 Jun 20241.18, 1.18.1, 1.18.20.0 MB8.8k downloads698bdf1714b6…Get
  • fastboot-1.17.x-1.1.jar5 Jun 20241.17, 1.17.10.0 MB394 downloads0b2a0b2433d6…Get
  • fastboot-1.16.x-1.1.jar5 Jun 20241.16, 1.16.1, 1.16.2, 1.16.3, 1.16.40.0 MB13.9k downloads8743b1d6c1be…Get

Frequently asked

Does FastBoot work on Minecraft 1.21.8?

Yes. 1.21.8 is the newest Minecraft version FastBoot 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 FastBoot support?

Everything the author has declared, from 1.16 up to 1.21.8. The full list is in the table above, with the Java runtime each version needs next to it.

Which loader does FastBoot need?

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

Which Java version do I need for FastBoot?

On the newest Minecraft release it supports, Java 21 or newer. The requirement comes from the Minecraft version you run rather than from the mod itself, so on an older supported Minecraft the answer is that version's Java, not this one.

How do I install FastBoot?

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 FastBoot safely?

From the author's own page on CurseForge, which is where the data here is synced from. MCReference never mirrors, re-hosts or repackages a file: every download button points at the original source, so you get exactly what the author published.

Works on the same versions

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

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Last checked 1 mo ago against CurseForge. We do not host files and we do not republish descriptions; every download link points at the author’s own release.

Is this information wrong or missing something? .