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Progressive Mechanics LibraryMinecraft mod for 1.20.3

Library mod for my mods and other people who which to have great control over damage mechanics in the game Can work with First Aid Mod

client and servernewest supported release 1.20.3UtilityGame MechanicsLibrary
Latest version
1.0.4b
Minecraft
1.20.1 to 1.20.3
Java
Java 17+
Loader
Forge
Licence
LicenseRef-All-Rights-Reserved
Downloads
124.6k
Updated
7 mo ago
Available on
Modrinth
Space NodeOur hosting

Host Progressive Mechanics Library servers

One click and Progressive Mechanics Library is installed with the right loader, on hardware built for it.

  • 1.20.3
  • Forge
  • One click mod install
  • Loader matched for you
  • Ryzen CPUs
  • NVMe SSD
Deploy a serverFrom €0.90 per GB

Minecraft versions

Every version Progressive Mechanics Library declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
1.20.3Forge17+declared4 Dec 2023
1.20.2Forge17+declared20 Sept 2023
1.20.1Forge17+declared12 Jun 2023

Download

From Progressive Mechanics Library’s own host. Nothing is re-hosted here.

For Minecraft 1.20.3

Choose the loader you use before downloading.

  • Forge

    1.0.1 · 5 Apr 2025 · pml-1.0.1-all.jar

    Get Forge

Most recently published release

1.0.4brelease6 Apr 2026

pml-1.0.4b-all.jar · 0.2 MB · for 1.20.1 · Forge

Download this release
2f44fb3741fb…
Older versions3
  • 1.0.3c23 Apr 20251.20.10.2 MB121.3k downloadsf4b7409b4af3…Get
  • 1.0.321 Apr 20251.20.10.2 MB228 downloads0fdb067e9f0b…Get
  • 1.0.15 Apr 20251.20.3, 1.20.2, 1.20.10.2 MB247 downloadsad37fd18234f…Get

Frequently asked

Does Progressive Mechanics Library work on Minecraft 1.20.3?

Yes. 1.20.3 is the newest Minecraft version Progressive Mechanics Library 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 Progressive Mechanics Library support?

Everything the author has declared, from 1.20.1 up to 1.20.3. The full list is in the table above, with the Java runtime each version needs next to it.

Do I need to install Progressive Mechanics Library on the client or the server?

Both. Every player needs it installed and so does the server, so anyone joining without it will be refused.

Which platform or loader does Progressive Mechanics Library support?

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 Progressive Mechanics Library?

Among the supported Minecraft releases above, the highest recorded requirement is Java 17 or newer. Use the requirement for the exact Minecraft version you run; previews and snapshots may differ.

What licence is Progressive Mechanics Library under?

LicenseRef-All-Rights-Reserved, 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 Progressive Mechanics Library?

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 Progressive Mechanics Library 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.

GeckoLibA 3D animation library for entities, blocks, items, armor, and more!BookshelfAn open source library for other mods!Cloth Config API (Fabric/Forge/NeoForge)Config Screen API for MinecraftJourneyMapReal-time map used for mapping in-game or your browser as you explore.Enchantment DescriptionsAdds in-game descriptions for enchantments to tooltips.Jade 🔍Shows information about what you are looking at. (Hwyla/WAILA fork for Minecraft 1.16+)

Details from Modrinth, where the author last updated it on 6 Apr 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? .