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Thaumic-JEI-Unofficial

by JodieRuth

Thaumic-JEI-Unofficial is a community-maintained continuation of Thaumic JEI, and it keeps the Thaumcraft recipe views in JEI working on Forge 1.12.2.

ForgeClient-side onlyMIT License1.12.2

What it does

The fork carries on the work of the original Thaumic JEI, which Buuz135 created, and keeps its Thaumcraft recipe views in place. Arcane Workbench, Crucible and Infusion recipes stay browsable in JEI, along with aspect compound recipes, aspect source lookup and recipe display that takes the player's research into account.

Differences from the original project concentrate on the aspect source cache and on research sync. The cache is refreshed incrementally rather than rebuilt from scratch, and an added migration step reads the original aspect cache format. Recipes can be hidden or shown according to a player's research progress, and extra logging helps diagnose recipe registration, cache syncing and research syncing. The fork is published under the MIT License and is not open source in the sense of a public development repository. Files exist for Forge 1.12.2 only, with 1.7.0 as the latest file from 2026-06-19, and the mod is client-side only.

Key features

  1. Thaumcraft recipe browsing

    Arcane Workbench, Crucible and Infusion recipes are shown in JEI, as in the original project.

  2. Aspect lookup and compounds

    Aspect compound recipes and aspect source lookup are available from the JEI interface.

  3. Incremental aspect cache

    The aspect source cache is refreshed in parts instead of being rebuilt, and it migrates the original cache format.

  4. Research-aware recipes

    Recipes are hidden or shown based on the player's research progress, and the sync behavior is improved.

Compatibility

Latest build for each game version and loader.

1.12.21.7.0
ReleaseBetaAlphaNot available

Only full game releases are shown. This mod publishes no snapshot builds.

How it compares

Full comparison

Thaumic Recipe Tweaker is a server-side only Forge mod for 1.12.2, released under the MIT License and open source. Thaumic Recipe Tweaker UI is also server-side only for Forge 1.12.2, under the MIT License and open source. Thaumic Renaissance is client and server for 1.7.10 under a custom license, and is not open source. The fork here differs by running only on the client for 1.12.2.

ModLoadersGame versionsEnvironmentUpdated
Thaumic-JEI-UnofficialForge1.12.2Client-side only2026-06-19
Thaumic Recipe TweakerForge1.12.2Server-side only2024-03-11
Thaumic Recipe Tweaker UIForge1.12.2Server-side only2024-03-12
Thaumic RenaissanceForge1.7.10Client and server2025-12-15

Questions

Does Thaumic-JEI-Unofficial need to be installed on the server?

No. Servers do not need it; each player installs it for their own game.

Which loader and game version does the fork support?

The fork is published for Forge and for Minecraft 1.12.2 only, with 1.7.0 as the latest file.

Does the fork change how the aspect cache is stored?

It reads the original aspect cache format through a migration step, and then refreshes the cache incrementally instead of rebuilding it.

What the author says

This is an unofficial maintenance fork of Thaumic JEI, originally created by Buuz135. This fork keeps the original Thaumcraft recipe browsing features, including Arcane Workbench, Crucible, Infusion, aspect compound recipes, aspect source lookup, and research-aware recipe display.
JodieRuth, on the Modrinth page

Official listing

Owner
JodieRuth
Published
2026-06-19
Updated on Modrinth
2026-06-19
Facts verified
2026-10-15
Open on ModrinthCompare