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PolyHitbox (Custom Hitboxes)Minecraft mod for 26.3

Improves performance of hitbox rendering and adds per-hover and per-damaged (i-frame) colors. By Polyfrost, best with OneClient.

client onlynewest supported release 26.3UtilityOptimization
Latest version
v1.3.6
Minecraft
1.8.9 to 26.3
Java
Java 25+
Loaders
Forge, Fabric
Licence
LicenseRef-GPL-3.0-with-Minecraft-Linking-Exception
Downloads
600.2k
Updated
2 d 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 PolyHitbox (Custom Hitboxes) declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
26.3Forge, Fabric25+declared15 Sept 2026
26.2Forge, Fabric25+declared16 Jun 2026
26.1.2Forge, Fabric25+declared9 Apr 2026
26.1.1Forge, Fabric25+declared1 Apr 2026
26.1Forge, Fabric25+declared24 Mar 2026
1.21.11Fabric, Forge21+declared9 Dec 2025
1.21.10Forge, Fabric21+declared7 Oct 2025
1.21.8Forge, Fabric21+declared17 Jul 2025
1.21.5Forge, Fabric21+declared25 Mar 2025
1.21.4Forge, Fabric21+declared3 Dec 2024
1.21.1Fabric, Forge21+declared8 Aug 2024
1.8.9Forge, Fabric8+declared3 Dec 2015

Download

From PolyHitbox (Custom Hitboxes)’s own host. Nothing is re-hosted here.

Most recently published release

v1.3.6release28 Oct 2026

polyhitbox-1.3.6+26.3.jar · 79 KB · for 26.3 · Fabric

Download this release
370a20b0d6e5…
Older versions13
  • v1.3.528 Oct 202626.379 KBcf5b3206be33…Get
  • v1.3.428 Oct 202626.379 KBe2ddc3db8ab9…Get
  • v1.3.326 Oct 202626.379 KB5a0cbeb0ed8a…Get
  • v1.3.211 Oct 202626.379 KB344a259e8005…Get
  • v1.3.12 Oct 202626.379 KB41bf3806ffeb…Get
  • v1.3.015 Sept 202626.378 KB7776c5cf37f5…Get
  • v1.2.210 Sept 202626.278 KB6b6d4a2a61f7…Get
  • v1.1.11 Aug 20261.21.135 KB2 downloads63a69495a0cd…Get
  • v1.1.016 Jul 20261.21.535 KB6.1k downloadsbe99b3d3891d…Get
  • v1.0.37 Aug 20241.8.988 KB166.4k downloads02917d62854d…Get
  • v1.0.224 Jul 20241.8.987 KB11.6k downloads662a0123ee99…Get
  • v1.0.129 Jun 20241.8.986 KB4.9k downloads7ac740d8abd7…Get
  • v1.0.024 Jun 20241.8.985 KB3.5k downloads5f0e584f8c3f…Get

Dependencies

What PolyHitbox (Custom Hitboxes)declares it needs, from the author’s own release metadata. A required one has to be installed alongside it or it will not load.

Fabric Language KotlinRequired. This is a mod that enables usage of the Kotlin programming language for Fabric mods.OneConfigRequired. Access all your mod settings in one place, with a sleek and intuitive interface. By Polyfrost, best with OneClient.

Frequently asked

Does PolyHitbox (Custom Hitboxes) work on Minecraft 26.3?

Yes. 26.3 is the newest Minecraft version PolyHitbox (Custom Hitboxes) 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 PolyHitbox (Custom Hitboxes) support?

Everything the author has declared, from 1.8.9 up to 26.3. The full list is in the table above, with the Java runtime each version needs next to it.

Do I need to install PolyHitbox (Custom Hitboxes) 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 PolyHitbox (Custom Hitboxes) support?

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 PolyHitbox (Custom Hitboxes)?

Among the supported Minecraft releases above, the highest recorded requirement is Java 25 or newer. Use the requirement for the exact Minecraft version you run; previews and snapshots may differ.

What does PolyHitbox (Custom Hitboxes) need to run?

It declares Fabric Language Kotlin and OneConfig as required, so those have to be installed alongside it or it will not load. Each one is linked in the dependencies section above.

What licence is PolyHitbox (Custom Hitboxes) under?

LicenseRef-GPL-3.0-with-Minecraft-Linking-Exception, 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 PolyHitbox (Custom Hitboxes)?

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 PolyHitbox (Custom Hitboxes) 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.

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