Menu

mod

Modpack Update CheckerMinecraft mod for 1.21.6

An update checker designed for modpacks!

newest supported 1.21.6Utility Qol
Latest version
[1.21.6] Modpack Update Checker 0.15.6 for NeoForge
Minecraft
1.16.5 to 1.21.6
Java
Java 21+
Loaders
NeoForge, Quilt, Forge, Fabric
Licence
not stated
Downloads
22.8M
Updated
15 mo ago
Available on
CurseForge

Minecraft versions

Every version Modpack Update Checker declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.6NeoForge, Quilt, Forge, Fabric21+declared17 Jun 2025
1.21.5NeoForge, Fabric, Forge, Quilt21+declared25 Mar 2025
1.21.4NeoForge, Fabric, Forge, Quilt21+declared3 Dec 2024
1.21.3NeoForge, Fabric, Forge, Quilt21+declared23 Oct 2024
1.21.1NeoForge, Fabric, Forge, Quilt21+declared8 Aug 2024
1.21Quilt, Forge, Fabric, NeoForge21+declared13 Jun 2024
1.20.6Quilt, Forge, Fabric, NeoForge21+declared29 Apr 2024
1.20.5Quilt, Forge, Fabric, NeoForge21+declared23 Apr 2024
1.20.4Quilt, NeoForge, Fabric, Forge17+declared7 Dec 2023
1.20.3NeoForge, Quilt, Forge, Fabric17+declared4 Dec 2023
1.20.2Quilt, NeoForge, Fabric, Forge17+declared20 Sept 2023
1.20.1Quilt, Forge, Fabric, NeoForge17+declared12 Jun 2023
1.20Forge, NeoForge, Fabric, Quilt17+declared2 Jun 2023
1.19.4Quilt, Forge, NeoForge, Fabric17+declared14 Mar 2023
1.19.3NeoForge, Fabric, Forge, Quilt17+declared7 Dec 2022
1.19.2Fabric, NeoForge, Quilt, Forge17+declared5 Aug 2022
1.18.2Quilt, NeoForge, Fabric, Forge17+declared28 Feb 2022
1.16.5NeoForge, Fabric, Forge, Quilt8+declared14 Jan 2021

Download

From Modpack Update Checker’s own host. Nothing is re-hosted here.

All 40 releases
[1.21.6] Modpack Update Checker 0.15.6 for NeoForgebeta22 Jun 2025

modpack-update-checker-1.21.6-neoforge-0.15.6.jar · 0.4 MB · for 1.21.6

Download latest
9b61b0eacd2b…
Older versions24
  • [1.21.6] Modpack Update Checker 0.15.6 for Fabric22 Jun 20251.21.60.4 MB11902aedcc86…Get
  • [1.21.5] Modpack Update Checker 0.15.6 for NeoForge22 Jun 20251.21.50.4 MB36cf4dd5445f…Get
  • [1.21.5] Modpack Update Checker 0.15.6 for Fabric22 Jun 20251.21.50.4 MBe6e9399ae096…Get
  • [1.21.4] Modpack Update Checker 0.15.6 for NeoForge22 Jun 20251.21.40.4 MB1ddb2e8e3088…Get
  • [1.21.4] Modpack Update Checker 0.15.6 for Fabric22 Jun 20251.21.40.4 MBb4a0e0fe0a52…Get
  • [1.21.3] Modpack Update Checker 0.15.6 for NeoForge22 Jun 20251.21.30.4 MB4d43745d35cb…Get
  • [1.21.3] Modpack Update Checker 0.15.6 for Fabric22 Jun 20251.21.30.4 MBd1a39024263e…Get
  • [1.21.1] Modpack Update Checker 0.15.6 for NeoForge22 Jun 20251.21.10.4 MB2d8b8a823a24…Get
  • [1.20.6] Modpack Update Checker 0.15.6 for NeoForge22 Jun 20251.20.60.4 MBb72309cce1a6…Get
  • [1.21.1] Modpack Update Checker 0.15.6 for Fabric22 Jun 20251.21.10.4 MBc6965ba71753…Get
  • [1.20.6] Modpack Update Checker 0.15.6 for Fabric22 Jun 20251.20.60.4 MB2be7b0d58eef…Get
  • [1.20.4] Modpack Update Checker 0.15.6 for Forge22 Jun 20251.20.40.4 MBb90716304051…Get
  • [1.20.4] Modpack Update Checker 0.15.6 for NeoForge22 Jun 20251.20.40.4 MB10a81204a8b8…Get
  • [1.20.4] Modpack Update Checker 0.15.6 for Fabric22 Jun 20251.20.40.4 MB45b3727e9e23…Get
  • [1.20.2] Modpack Update Checker 0.15.6 for NeoForge22 Jun 20251.20.20.4 MB0c1957b732ff…Get
  • [1.20.2] Modpack Update Checker 0.15.6 for Forge22 Jun 20251.20.20.4 MB16c9915ec38c…Get
  • [1.20.2] Modpack Update Checker 0.15.6 for Fabric22 Jun 20251.20.20.4 MB1feba96f5d2a…Get
  • [1.20.1] Modpack Update Checker 0.15.6 for Forge22 Jun 20251.20.10.4 MBf5f643553997…Get
  • [1.20.1] Modpack Update Checker 0.15.6 for Fabric22 Jun 20251.20.10.4 MB5acd6bafbdde…Get
  • [1.19.4] Modpack Update Checker 0.15.6 for Fabric22 Jun 20251.19.40.4 MB824327a8883a…Get
  • [1.19.2] Modpack Update Checker 0.15.6 for Forge22 Jun 20251.19.20.4 MB35380527857e…Get
  • [1.19.2] Modpack Update Checker 0.15.6 for Fabric22 Jun 20251.19.20.4 MB227dee59aaf7…Get
  • [1.21.5] Modpack Update Checker 0.15.5 for NeoForge12 Jun 20251.21.50.4 MB4 downloadsa060e6437969…Get
  • [1.21.5] Modpack Update Checker 0.15.5 for Fabric12 Jun 20251.21.50.4 MBd5f86324b745…Get

Frequently asked

Does Modpack Update Checker work on Minecraft 1.21.6?

Yes. 1.21.6 is the newest Minecraft version Modpack Update Checker 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 Modpack Update Checker support?

Everything the author has declared, from 1.16.5 up to 1.21.6. The full list is in the table above, with the Java runtime each version needs next to it.

Which loader does Modpack Update Checker need?

NeoForge, Quilt, 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 Modpack Update Checker?

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 Modpack Update Checker?

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 Modpack Update Checker 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.

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.Jade 🔍Shows information about what you are looking at. (Hwyla/WAILA fork for Minecraft 1.16+)Collective🎓 Collective is a shared library with common code for all of Serilum's mods.

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? .