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Lepton (Forge)Minecraft mod for 1.21.1

Adding blocks that should already be in the game by default, such as vanilla stairs, slabs, walls, pressure plates, buttons and more!

newest supported 1.21.1Cosmetic
Latest version
lepton-1.21.1-3.1.0.jar
Loaders
NeoForge, Forge
Licence
not stated
Downloads
625.6k
Updated
2 mo ago
Available on
CurseForge

Screenshots

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

Minecraft versions

Every version Lepton (Forge) declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.1NeoForge, Forge21+declared8 Aug 2024
1.18.2NeoForge, Forge17+declared28 Feb 2022
1.16.5NeoForge, Forge8+declared14 Jan 2021
1.16.4NeoForge, Forge8+declared29 Oct 2020
1.16.3NeoForge, Forge8+declared10 Sept 2020
1.16.1Forge, NeoForge8+declared24 Jun 2020

Download

From Lepton (Forge)’s own host. Nothing is re-hosted here.

lepton-1.21.1-3.1.0.jarrelease20 Jul 2026

lepton-1.21.1-3.1.0.jar · 0.5 MB · for 1.21.1

Download latest
7f313f86bf5e
Older versions16
  • lepton-1.21.1-3.0.1.jar6 Jun 20261.21.10.5 MB60 downloads7acc406af056Get
  • lepton-1.21.1-3.0.0.jar1 Jun 20261.21.10.5 MB9a02d9700989Get
  • lepton-1.18.2-2.0.0.jar12 Mar 20221.18.20.4 MB6.0k downloadse949390b9a97Get
  • lepton-1.16.5-1.3.2.jar21 Aug 20211.16.3, 1.16.4, 1.16.51.0 MB515.5k downloads8b554f0d33a1Get
  • lepton-1.16.5-1.3.1.jar17 Jul 20211.16.3, 1.16.4, 1.16.51.0 MB18.4k downloadsbe330635dfb2Get
  • lepton-1.16.5-1.3.0.jar28 Mar 20211.16.3, 1.16.4, 1.16.51.0 MB24.5k downloadse42c2624deb0Get
  • lepton-1.16.5-1.2.7.jar12 Feb 20211.16.3, 1.16.4, 1.16.50.9 MB9.7k downloadsbaf482d25cfeGet
  • lepton-1.16.4-1.2.5.jar14 Jan 20211.16.3, 1.16.4, 1.16.50.8 MB1.3k downloads760c362d5b26Get
  • lepton-1.16.4-1.2.4.jar12 Jan 20211.16.3, 1.16.40.8 MB199 downloads15e9c9ec2c3eGet
  • lepton-1.16.4-1.2.3.jar4 Jan 20211.16.3, 1.16.40.7 MB599 downloads26719370d94aGet
  • lepton-1.16.4-1.2.2.jar29 Dec 20201.16.3, 1.16.40.7 MB238 downloads4e748bf0319dGet
  • lepton-1.16.1-1.1.2.jar29 Dec 20201.16.10.7 MB106 downloads80d5dbb131a8Get
  • lepton-1.16.4-1.2.0.jar8 Dec 20201.16.3, 1.16.40.6 MB171 downloads57a4296ab5e4Get
  • lepton-1.16.1-1.1.1.jar2 Dec 20201.16.10.6 MB150 downloads3d1a7d742140Get
  • lepton-1.16.1-1.1.0.jar28 Oct 20201.16.10.6 MB131 downloads0fa0b3e068e6Get
  • lepton-1.16.1-1.0.0.jar10 Sept 20201.16.10.4 MB161 downloads71655e1fa35cGet

Frequently asked

Does Lepton (Forge) work on Minecraft 1.21.1?

Yes. 1.21.1 is the newest Minecraft version Lepton (Forge) 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 Lepton (Forge) support?

Everything the author has declared, from 1.16.1 up to 1.21.1. The full list is in the table above, with the Java runtime each version needs next to it.

Which platform or loader does Lepton (Forge) support?

NeoForge, Forge. 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 Lepton (Forge)?

On the newest Minecraft version 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 Lepton (Forge)?

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 Lepton (Forge) safely?

Start with the author's page on CurseForge, 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.

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? .