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FastBootMinecraft mod for 1.21.8

FastBoot: Accelerate Your Game Loading Time

newest supported release 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
18.4M
Updated
4 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.

Most recently published release

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

fastboot-1.21.x-v1.3neo.jar · 9 KB · for 1.21.8, 1.21.7, 1.21.6, 1.21.5, 1.21.4 +4 more · NeoForge

Download this release
1c9101baf7e4…
Older versions10
  • fastboot-1.20.x-v1.3neo.jar15 Sept 20251.20.6, 1.20.5, 1.20.4, 1.20.3, 1.20.2 +2 more9 KB2d8632e31913…Get
  • fastboot-1.21.x-v1.3fabric.jar6 Apr 20251.21.4, 1.21.3, 1.21.2, 1.21.1, 1.2136 KB13.8k downloadsecf33449e8cc…Get
  • fastboot-1.20.x-1.2fabric.jar12 Dec 20241.20.6, 1.20.5, 1.20.4, 1.20.3, 1.20.2 +2 more30 KB212.5k downloads72c11409a1c7…Get
  • fastboot-1.21.x-1.2.jar6 Sept 20241.21.4, 1.21.3, 1.21.2, 1.21.1, 1.2123 KB26.1k downloadsbe1733d583f1…Get
  • fastboot-1.20.x-1.2.jar6 Sept 20241.20.6, 1.20.5, 1.20.4, 1.20.3, 1.20.2 +2 more24 KB1.6M downloads0820d6611bdf…Get
  • fastboot-1.20.x-1.1.jar5 Jun 20241.20.6, 1.20.5, 1.20.4, 1.20.3, 1.20.2 +2 more24 KB64.1k downloadsaf34ffcf3e4e…Get
  • fastboot-1.19.x-1.1.jar5 Jun 20241.19.4, 1.19.3, 1.19.2, 1.19.1, 1.1924 KB121.1k downloads445f0e2f03c8…Get
  • fastboot-1.18.x-1.1.jar5 Jun 20241.18.2, 1.18.1, 1.1824 KB8.8k downloads698bdf1714b6…Get
  • fastboot-1.17.x-1.1.jar5 Jun 20241.17.1, 1.1724 KB394 downloads0b2a0b2433d6…Get
  • fastboot-1.16.x-1.1.jar5 Jun 20241.16.5, 1.16.4, 1.16.3, 1.16.2, 1.16.1 +1 more24 KB13.9k 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 platform or loader does FastBoot support?

NeoForge, Forge, Fabric. 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 FastBoot?

Among the supported Minecraft releases above, the highest recorded requirement is Java 21 or newer. Use the requirement for the exact Minecraft version you run; previews and snapshots may differ.

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?

Start with the author's page on CurseForge, 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.

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Details from CurseForge, where the author last updated it on 19 Jun 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? .