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Obfuscate Lib Compatible Fix

by Lithum-12

Obfuscate Lib Compatible Fix is a Forge client-side patch that makes Obfuscate's Mixin loading work alongside the Physics Mod.

ForgeClient-side onlyCC0 1.0 UniversalOpen source1.16.1 – 1.16.5

What it does

The patch fixes how Obfuscate's Mixin code loads when the Physics Mod is present, so the two can run together. It targets Minecraft 1.16.1 and newer on Forge 32 and higher, and the code is open source under the CC0 1.0 Universal license. Installation is manual: place the Obfuscate Physics Mod in the mods folder as usual, then drop this jar in the same folder.

Once the jar is in place and the game starts, everything happens automatically, with no settings to change. Because it only touches the client, installing it on a server causes no harm. Reverting is simple: find the backup file ending in .bak, remove the .bak part of its name, and overwrite the existing Obfuscate file.

Key features

  1. Mixin loading fix

    Corrects the way Obfuscate's Mixin classes load when the Physics Mod is installed.

  2. Automatic operation

    The fix applies on game start without any configuration screen or command.

  3. Manual revert path

    A backup of the original Obfuscate jar can be restored by renaming it and overwriting the patched file.

  4. Harmless on servers

    The patch runs only on the client, so a server that installs it is not affected.

Compatibility

Latest build for each game version and loader.

1.16.51.3.0
1.16.41.3.0
1.16.31.3.0
1.16.21.3.0
1.16.11.3.0
ReleaseBetaAlphaNot available

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

Questions

Does Obfuscate Lib Compatible Fix require the Physics Mod?

The Physics Mod is strictly required for this fix to be useful. Without it, the patch does not need to be installed.

Does the fix need to be installed on servers?

No. The mod is client-side only, and installing it on a server causes no harm, but the server does not need it.

How can Obfuscate be restored to its original state?

To undo the patch, locate the file in the mods folder whose name ends with .bak, drop the .bak suffix so it takes back its original name, and replace the file that currently sits there.

In the catalog

Obfuscate Lib Compatible Fix is one of 3,514 Library mods on ModsFinder, and one of 1,576 Library mods for Forge. 5,992 mods support Minecraft 1.16.5.

Library mods3,514Forge modsMods for 1.16.55,992

More from Lithum-12

All projects
Anything But Fish1.17.1 – 26.1.2

Similar mods

Cloth Config API1.14 – 26.3Architectury API1.16.5 – 26.3Just Enough Items (JEI)1.8 – 26.3Geckolib1.12.2 – 26.3Forge Config API Port1.16 – 26.3Collective1.16.5 – 26.3

What the author says

Automatically fixes the crash between Obfuscate and Physics Mod. When you install both Obfuscate and Physics Mod, the game crashes on startup. The reason is that Obfuscate has a config setting that is too strict, so it cannot work together with Physics Mod.
Lithum-12, on the Modrinth page

Official listing

Owner
Lithum-12
Published
2026-04-09
Updated on Modrinth
2026-04-09
Facts verified
2026-10-15

Tags

LibraryUtility
Open on ModrinthCompare