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Petrolpark's LibraryMinecraft mod for 1.21.1

A library of shared features and utilities for my mods

client and servernewest supported release 1.21.1TechnologyUtilityGame MechanicsLibrary
Latest version
1.21.1-1.5.12
Loaders
Forge, NeoForge
Licence
LicenseRef-All-Rights-Reserved
Downloads
822.8k
Updated
18 d ago
Available on
Modrinth
Space NodeOur hosting

Host Petrolpark's Library servers

One click and Petrolpark's Library is installed with the right loader, on hardware built for it.

  • 1.21.1
  • Forge
  • NeoForge
  • One click mod install
  • Loader matched for you
  • Ryzen CPUs
  • NVMe SSD
Deploy a serverFrom €0.90 per GB

Minecraft versions

Every version Petrolpark's Library declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.1Forge, NeoForge21+declared8 Aug 2024
1.20.1Forge, NeoForge17+declared12 Jun 2023

Download

From Petrolpark's Library’s own host. Nothing is re-hosted here.

Browse 42 indexed releases

Most recently published release

1.21.1-1.5.12beta19 Oct 2026

petrolpark-1.21.1-1.5.12.jar · 6.8 MB · for 1.21.1 · NeoForge

Download this release
199669d7dafc…
Older versions24
  • 1.21.1-1.5.1114 Sept 20261.21.16.8 MB4f739b42c9a0…Get
  • 1.21.1-1.5.107 Sept 20261.21.16.7 MB88186515fb32…Get
  • 1.21.1-1.5.96 Sept 20261.21.16.7 MB0e69425048f3…Get
  • 1.21.1-1.5.85 Sept 20261.21.16.7 MB8c02977abbe1…Get
  • 1.21.1-1.5.75 Sept 20261.21.16.7 MB5c3a9ce3a8d8…Get
  • 1.21.1-1.5.623 Aug 20261.21.16.6 MBc29dda9eb27b…Get
  • 1.21.1-1.5.521 Aug 20261.21.16.6 MB4b0900a9f993…Get
  • 1.21.1-1.5.421 Aug 20261.21.16.6 MB2ef40c868f07…Get
  • 1.21.1-1.5.320 Aug 20261.21.16.6 MBb5a6b232d2b4…Get
  • 1.21.1-1.5.216 Aug 20261.21.16.6 MB03dc22115062…Get
  • 1.21.1-1.5.12 Aug 20261.21.16.6 MBa402256a1c51…Get
  • 1.21.1-1.5.024 Jul 20261.21.11, 1.21.10, 1.21.9, 1.21.8, 1.21.7 +6 more6.6 MBa2202066a179…Get
  • 1.21.1-1.4.3615 Jun 20261.21.16.2 MB4175f52614bd…Get
  • 1.21.1-1.4.3516 May 20261.21.16.2 MBa4a4240167dc…Get
  • 1.21.1-1.4.349 May 20261.21.16.2 MBdac07d0f2a13…Get
  • 1.21.1-1.4.338 May 20261.21.16.2 MB0c3051bfcd10…Get
  • 1.21.1-1.4.3225 Apr 20261.21.16.2 MBdbbbb70c1f33…Get
  • 1.21.1-1.4.3123 Apr 20261.21.16.2 MB1032eff7a570…Get
  • 1.21.1-1.4.3022 Mar 20261.21.14.0 MBdad244a1f355…Get
  • 1.21.1-1.4.2921 Mar 20261.21.14.0 MBd94606ed5ce2…Get
  • 1.21.1-1.4.2825 Feb 20261.21.13.7 MBe78253756cf0…Get
  • 1.21.1-1.4.2722 Feb 20261.21.13.7 MBda02b67387b4…Get
  • 1.20.1-1.4.2722 Feb 20261.20.10.8 MBc930b1d18821…Get
  • 1.21.1-1.4.2629 Jan 20261.21.13.6 MB1265bc9b4805…Get

Frequently asked

Does Petrolpark's Library work on Minecraft 1.21.1?

Yes. 1.21.1 is the newest Minecraft version Petrolpark's 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 Petrolpark's Library support?

Everything the author has declared, from 1.20.1 up to 1.21.1. The full list is in the table above, with the Java runtime each version needs next to it.

Do I need to install Petrolpark's 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 Petrolpark's Library support?

Forge, NeoForge. 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 Petrolpark's Library?

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 Petrolpark's 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 Petrolpark's 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 Petrolpark's 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.

Details from Modrinth, where the author last updated it on 19 Oct 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? .