Modrinth · Minecraft mod

JamLib

The platform-agnostic, Architectury based library used in all of JamCoreModding's mods

Choose a version Pick your version below, then grab the matching file.

Quick answer

Which JamLib release matches 1.20.1 Forge?

Updated last month

Best match for your filters 1.3.6+1.20.1-patch.1

Game version 1.20.1

Loader Forge

JamLib 1.3.6+1.20.1-patch.1 targets 1.20.1 with Forge. Installation on the client is optional. Installation on the dedicated server is optional. 1 required mod needs a matching file.

Where it goes

Is JamLib required on the client, server, or both?

Installation on the client is optional. Installation on the dedicated server is optional.

Client Optional

Dedicated server Optional

Loader for this release Forge

Required install it here Optional supported, not mandatory Not supported do not install here Source doesn’t say do not assume

The source marks this as usable on both the client and server.

Understand client and server requirements Read the Minecraft installation guide

What else does JamLib 1.3.6+1.20.1-patch.1 need?

1.3.6+1.20.1-patch.1 on 1.20.1 Forge. Every mod below is checked against that same setup.

1 required mod needs a matching file

Install Architectury API first, but 1 required mod has no matching file for this setup. Do not mix loader builds to force a match.

Architectury API Needed by JamLib 1.3.6+1.20.1-patch.1

required

No matching file

We only count dependency files that match this setup. A file for another loader does not fill the gap.

Before you install it

Add JamLib without breaking your instance.

Built for JamLib 1.3.6+1.20.1-patch.1 on 1.20.1 Forge. Pick another file and the loader, install side or required mods may change.

01
Stick to this file

Use 1.3.6+1.20.1-patch.1. It targets 1.20.1 with Forge; another release may have different loader, side or dependency requirements.
02
Bring the mods it needs

Install Architectury API first, but 1 required mod has no matching file for this setup. Do not mix loader builds to force a match.
03
Put it on the correct side

Installation on the client is optional. Installation on the dedicated server is optional.
04
Pick the file you checked

Use the “Get this file” button beside 1.3.6+1.20.1-patch.1. It opens that exact file at the source.

About this project

What does JamLib add?

Report Issues • Chat on Discord • CurseForge • Modrinth

JamLib provides:

Platform abstractions
A JSON5 config API
A mod repost (9minecraft etc.) checker

Comprehensive documentation can be found here.

Project description from Modrinth.

Pick your setup

JamLib by Minecraft version and loader

Choose the version and loader you play, then open the matching release.

51 available setups

Minecraft version

26.2

3 loader builds

Fabric 2.3.1+26.2.x 2 stable files · 2 total · 17 Jun 2026 Quilt 2.3.1+26.2.x 2 stable files · 2 total · 17 Jun 2026 NeoForge 2.3.1+26.2.x 2 stable files · 2 total · 17 Jun 2026

Minecraft version

26.1.2

3 loader builds

Fabric 2.3.1+26.1.x 6 stable files · 6 total · 17 Jun 2026 Quilt 2.3.1+26.1.x 6 stable files · 6 total · 17 Jun 2026 NeoForge 2.3.1+26.1.x 6 stable files · 6 total · 17 Jun 2026

Minecraft version

26.1.1

3 loader builds

Fabric 2.3.1+26.1.x 6 stable files · 6 total · 17 Jun 2026 Quilt 2.3.1+26.1.x 6 stable files · 6 total · 17 Jun 2026 NeoForge 2.3.1+26.1.x 6 stable files · 6 total · 17 Jun 2026

Minecraft version

26.1

3 loader builds

Fabric 2.3.1+26.1.x 6 stable files · 6 total · 17 Jun 2026 Quilt 2.3.1+26.1.x 6 stable files · 6 total · 17 Jun 2026 NeoForge 2.3.1+26.1.x 6 stable files · 6 total · 17 Jun 2026

Minecraft version

1.21.11

3 loader builds

Fabric 2.0.0+1.21.11 3 stable files · 3 total · 26 Apr 2026 Quilt 2.0.0+1.21.11 3 stable files · 3 total · 26 Apr 2026 NeoForge 2.0.0+1.21.11 3 stable files · 3 total · 26 Apr 2026

Minecraft version

1.21.10

3 loader builds

Fabric 1.3.6+1.21.10 2 stable files · 2 total · 16 Mar 2026 Quilt 1.3.6+1.21.10 2 stable files · 2 total · 16 Mar 2026 NeoForge 1.3.6+1.21.10 2 stable files · 2 total · 16 Mar 2026

Minecraft version

1.21.9

3 loader builds

Fabric 1.3.6+1.21.10 4 stable files · 4 total · 16 Mar 2026 Quilt 1.3.6+1.21.10 4 stable files · 4 total · 16 Mar 2026 NeoForge 1.3.6+1.21.10 4 stable files · 4 total · 16 Mar 2026

Minecraft version

1.21.8

3 loader builds

Fabric 1.3.5+1.21.8 1 stable file · 1 total · 23 Sept 2025 Quilt 1.3.5+1.21.8 1 stable file · 1 total · 23 Sept 2025 NeoForge 1.3.5+1.21.8 1 stable file · 1 total · 23 Sept 2025

Minecraft version

1.21.7

3 loader builds

Fabric 1.3.5+1.21.8 2 stable files · 2 total · 23 Sept 2025 Quilt 1.3.5+1.21.8 2 stable files · 2 total · 23 Sept 2025 NeoForge 1.3.5+1.21.8 2 stable files · 2 total · 23 Sept 2025

Minecraft version

1.21.6

3 loader builds

Fabric 1.3.5+1.21.8 3 stable files · 3 total · 23 Sept 2025 Quilt 1.3.5+1.21.8 3 stable files · 3 total · 23 Sept 2025 NeoForge 1.3.5+1.21.8 3 stable files · 3 total · 23 Sept 2025

Minecraft version

1.21.5

3 loader builds

Fabric 1.3.5+1.21.5 2 stable files · 2 total · 14 Apr 2025 Quilt 1.3.5+1.21.5 2 stable files · 2 total · 14 Apr 2025 NeoForge 1.3.5+1.21.5 2 stable files · 2 total · 14 Apr 2025

Minecraft version

1.21.4

3 loader builds

Fabric 1.3.5+1.21.4 7 stable files · 7 total · 14 Apr 2025 Quilt 1.3.5+1.21.4 7 stable files · 7 total · 14 Apr 2025 NeoForge 1.3.5+1.21.4 7 stable files · 7 total · 14 Apr 2025

Showing the newest 12 of 17 game versions. Older files are in the list below.

Check the dependencies, then try the file in a copied instance before changing a world you care about.

Recent files

JamLib versions and loaders

7 of 100 releases match

1.3.6+1.20.1-patch.1

jamlib-forge-1.3.6+1.20.1-patch.1.jar

27 May 2026

Client Optional Server Optional Dependencies 1 unmatched of 1 Listed on Release listing

Check the 1.20.1 · Forge setup

1.20.1Forge release

Download on Modrinth

1.3.6+1.20.1

jamlib-forge-1.3.6+1.20.1.jar

16 Mar 2026

Client Optional Server Optional Dependencies 1 required · 1 unchecked Listed on Release listing

Check the 1.20.1 · Forge setup

1.20.1Forge release

Download on Modrinth

1.3.5+1.20.1

jamlib-forge-1.3.5+1.20.1.jar

14 Apr 2025

Client Optional Server Optional Dependencies 1 required · 1 unchecked Listed on Release listing

Check the 1.20.1 · Forge setup

1.20.1Forge release

Download on Modrinth

1.3.3+1.20.1

jamlib-forge-1.3.3+1.20.1.jar

14 Apr 2025

Client Optional Server Optional Dependencies 1 required · 1 unchecked Listed on Release listing

Check the 1.20.1 · Forge setup

1.20.1Forge release

Download on Modrinth

1.3.2+1.20.1-patch.1

jamlib-forge-1.3.2+1.20.1-patch.1.jar

19 Mar 2025

Client Optional Server Optional Dependencies 1 required · 1 unchecked Listed on Release listing

Check the 1.20.1 · Forge setup

1.20.1Forge release

Download on Modrinth

1.3.2+1.20.1

jamlib-forge-1.3.2+1.20.1.jar

18 Mar 2025

Client Optional Server Optional Dependencies 1 required · 1 unchecked Listed on Release listing

Check the 1.20.1 · Forge setup

1.20.1Forge release

Download on Modrinth

1.3.1+1.20.1

jamlib-forge-1.3.1+1.20.1.jar

18 Mar 2025

Client Optional Server Optional Dependencies 1 required · 1 unchecked Listed on Release listing

Check the 1.20.1 · Forge setup

1.20.1Forge release

Download on Modrinth

Looking for an older file? The official Modrinth project page is in Resources.

JamLib

Which JamLib release matches 1.20.1 Forge?

Is JamLib required on the client, server, or both?

What else does JamLib 1.3.6+1.20.1-patch.1 need?

Add JamLib without breaking your instance.

Stick to this file

Bring the mods it needs

Put it on the correct side

Pick the file you checked

What does JamLib add?

JamLib by Minecraft version and loader

26.2

26.1.2

26.1.1

26.1

1.21.11

1.21.10

1.21.9

1.21.8

1.21.7

1.21.6

1.21.5

1.21.4

JamLib versions and loaders

1.3.6+1.20.1-patch.1

1.3.6+1.20.1

1.3.5+1.20.1

1.3.3+1.20.1

1.3.2+1.20.1-patch.1

1.3.2+1.20.1

1.3.1+1.20.1

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