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modpack

Echo PerformanceMinecraft modpack for 1.21.11

A mod pack to give you the highest possible performance and optifine's feathers.

client onlynewest supported 1.21.11OptimizationLightweightMultiplayer
Latest version
1.21.11-1.4.1
Minecraft
1.21 to 1.21.11
Java
Java 21+
Loader
Fabric
Licence
MIT
Downloads
899
Updated
7 mo ago
Available on
Modrinth

Screenshots

Click a screenshot to open it. Screenshots are served from the author’s own host and belong to them.

Minecraft versions

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

Other modpacks
MinecraftThroughJavaEvidenceReleased
1.21.11Fabric21+declared9 Dec 2025
1.21.10Fabric21+declared7 Oct 2025
1.21.9Fabric21+declared30 Sept 2025
1.21.8Fabric21+declared17 Jul 2025
1.21.7Fabric21+declared30 Jun 2025
1.21.6Fabric21+declared17 Jun 2025
1.21.5Fabric21+declared25 Mar 2025
1.21.4Fabric21+declared3 Dec 2024
1.21.1Fabric21+declared8 Aug 2024
1.21Fabric21+declared13 Jun 2024

Download

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

1.21.11-1.4.1beta15 Feb 2026

Echo Performance 1.21.11-1.4.1.mrpack · 0.0 MB · for 1.21.11

Download latest
5d751def612b…
Older versions15
  • 1.21.11-1.425 Dec 20251.21.110.0 MB45 downloads81c1d51f599e…Get
  • 1.3.310 Dec 20251.21.111.0 MB36 downloadsb70d92d653b1…Get
  • 1.21.10-1.3.210 Oct 20251.21.100.6 MB89 downloads7fe160625c41…Get
  • 1.21.9-1.3.210 Oct 20251.21.90.3 MB15 downloads2b55e9bab398…Get
  • 1.21.9-1.3.14 Oct 20251.21.90.9 MB27 downloads29db9acd9044…Get
  • 1.21.9-1.330 Sept 20251.21.92.0 MB31 downloadsb1f515dbc5f0…Get
  • 1.21-1.231 Aug 20251.210.0 MB57 downloadsb506ea6083e2…Get
  • 1.21.1-1.231 Aug 20251.21.10.0 MB60 downloads5d221ab4bdf4…Get
  • 1.21.4-1.323 Aug 20251.21.40.0 MB39 downloadsd32ee994ce10…Get
  • 1.21.5-1.323 Aug 20251.21.50.4 MB42 downloadsdaf8ca1dd792…Get
  • 1.21.6-1.323 Aug 20251.21.60.4 MB18 downloadsf10cd20f8722…Get
  • 1.21.7-1.323 Aug 20251.21.70.4 MB22 downloads999a5578ffad…Get
  • 1.21.8-1.323 Aug 20251.21.80.4 MB64 downloadsf3b248240808…Get
  • 1.17 Aug 20251.21.80.4 MB36 downloadsa9ad6741ecc6…Get
  • 1.0.02 Aug 20251.21.80.4 MB43 downloads9e56fbb658da…Get

Frequently asked

Does Echo Performance work on Minecraft 1.21.11?

Yes. 1.21.11 is the newest Minecraft version Echo Performance 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 Echo Performance support?

Everything the author has declared, from 1.21 up to 1.21.11. The full list is in the table above, with the Java runtime each version needs next to it.

Do I need to install Echo Performance 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 Echo Performance support?

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 Echo Performance?

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

What licence is Echo Performance under?

MIT, 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 Echo Performance?

Use a launcher that imports packs, such as Prism Launcher, the Modrinth App or the CurseForge app, and open the pack file with it. The launcher installs the right loader and mods for you; installing a pack's mods by hand is the error-prone way.

Where do I download Echo Performance 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. The download link goes to the source recorded for that release; verify the publisher, filename and 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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Last checked 2 mo ago against Modrinth. We do not host files and we do not republish descriptions; every download link points at the author’s own release.

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