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Hero's Elytra OptimizerMinecraft mod for 1.21.11

Fixes elytras to not make you keep gliding when you don't have an elytra on

client onlynewest supported release 1.21.11EquipmentGame MechanicsOptimization
Latest version
4.5.0-21.0_1
Loader
Fabric
Licence
MIT
Downloads
173.4k
Updated
9 mo ago
Available on
Modrinth

Minecraft versions

Every version Hero's Elytra Optimizer declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.11Fabric21+declared9 Dec 2025
1.21.4Fabric21+declared3 Dec 2024
1.21.3Fabric21+declared23 Oct 2024
1.21.2Fabric21+declared22 Oct 2024
1.21.1Fabric21+declared8 Aug 2024
1.21Fabric21+declared13 Jun 2024
1.20.6Fabric21+declared29 Apr 2024
1.20.5Fabric21+declared23 Apr 2024
1.20.4Fabric17+declared7 Dec 2023
1.20.3Fabric17+declared4 Dec 2023
1.20.2Fabric17+declared20 Sept 2023
1.20.1Fabric17+declared12 Jun 2023
1.20Fabric17+declared2 Jun 2023

Download

From Hero's Elytra Optimizer’s own host. Nothing is re-hosted here.

For Minecraft 1.21.11

Choose the loader you use before downloading.

  • Fabric

    4.5.0-21.11 · 5 Feb 2026 · heroselytraoptimizer-4.5.0.jar

    Get Fabric

Most recently published release

4.5.0-21.0_1release5 Feb 2026

heroselytraoptimizer-4.5.0.jar · 51 KB · for 1.21.1, 1.21 · Fabric

Download this release
705163795eee…
Older versions3
  • 4.5.0-21.115 Feb 20261.21.1147 KB80.3k downloadsc92343006c1d…Get
  • 1.1.4-1.2118 Feb 20251.21.4, 1.21.3, 1.21.2, 1.21.1, 1.2128 KB75.3k downloads8cc4575a2015…Get
  • 1.1.4-1.2018 Feb 20251.20.6, 1.20.5, 1.20.4, 1.20.3, 1.20.2 +2 more30 KB5.3k downloads755518fb2e58…Get

Frequently asked

Does Hero's Elytra Optimizer work on Minecraft 1.21.11?

Yes. 1.21.11 is the newest Minecraft version Hero's Elytra Optimizer 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 Hero's Elytra Optimizer support?

Everything the author has declared, from 1.20 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 Hero's Elytra Optimizer 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 Hero's Elytra Optimizer 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 Hero's Elytra Optimizer?

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.

What licence is Hero's Elytra Optimizer 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 Hero's Elytra Optimizer?

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 Hero's Elytra Optimizer 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. 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.

Details from Modrinth, where the author last updated it on 5 Feb 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? .