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Async

Async is a Fabric mod designed to improve the performance of entities by processing them in parallel threads.

server onlynewest supported 26.2MobsOptimization
Latest version
0.2.4+alpha-26.2
Minecraft
1.21 to 26.2
Java
Java 25+
Loaders
Quilt, NeoForge, Fabric
Licence
GPL-3.0-or-later
Downloads
573.6k
Updated
1 mo ago
Available on
Modrinth

Minecraft versions

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

Other mods
MinecraftThroughJavaEvidenceReleased
26.2Quilt, NeoForge, Fabric25+declared16 Jun 2026
26.1.2Fabric, Quilt, NeoForge25+declared9 Apr 2026
26.2-snapshot-1NeoForge, Quilt, Fabric25+declared7 Apr 2026
26.1.1NeoForge, Quilt, Fabric25+declared1 Apr 2026
26.1NeoForge, Quilt, Fabric25+declared24 Mar 2026
1.21.11NeoForge, Quilt, Fabric21+declared9 Dec 2025
1.21.10NeoForge, Quilt, Fabric21+declared7 Oct 2025
1.21.9NeoForge, Quilt, Fabric21+declared30 Sept 2025
1.21.8Fabric, NeoForge, Quilt21+declared17 Jul 2025
1.21.7Quilt, NeoForge, Fabric21+declared30 Jun 2025
1.21.7-rc2Fabric, Quilt, NeoForge21+declared26 Jun 2025
1.21.6NeoForge, Quilt, Fabric21+declared17 Jun 2025
1.21.5NeoForge, Quilt, Fabric21+declared25 Mar 2025
1.21.4Quilt, NeoForge, Fabric21+declared3 Dec 2024
1.21.3Quilt, NeoForge, Fabric21+declared23 Oct 2024
1.21.2Fabric, Quilt, NeoForge21+declared22 Oct 2024
1.21.1NeoForge, Quilt, Fabric21+declared8 Aug 2024
1.21NeoForge, Fabric, Quilt21+declared13 Jun 2024

Releases

Files come from the author's own host. We publish the checksum so you can prove the file you downloaded is the file they published.

Frequently asked

Does Async work on Minecraft 26.2?

Yes. 26.2 is the newest Minecraft version Async 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 Async support?

Everything the author has declared, from 1.21 up to 26.2. The full list is in the table above, with the Java runtime each version needs next to it.

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

The server only. Players join with an ordinary Minecraft client and install nothing.

Which loader does Async need?

Quilt, NeoForge, 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 Async?

Java 25 or newer, because that is what the newest Minecraft release it supports requires. The requirement comes from the game rather than from the mod itself.

What licence is Async under?

GPL-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 Async?

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 Async safely?

From the author's own page on Modrinth, 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.

Entity CullingUsing async path-tracing to hide Block-/Entities that are not visibleFerriteCoreMemory usage optimizationsImmediatelyFastSpeed up immediate mode rendering in MinecraftYetAnotherConfigLib (YACL)A builder-based configuration library for Minecraft!Xaero's MinimapDisplays a map of the nearby world terrain, players, mobs, entities in the corner of your screen. Lets you create waypoints which help you find the locations you've marked.[ETF] Entity Texture FeaturesEmissive, Random & Custom texture support for entities in resourcepacks just like Optifine but for Fabric

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