Old Debug Screen

This mod restores the old debug screen (Old F3 Menu) that was changed in version 1.21.9. (Revert F3 Menu)

by mobilelize· xcheezieGame mechanics Technology Utility

Fabric

Loaders: Fabric
Downloads on Modrinth: 2.5K
Followers on Modrinth: 6
versions: 7
Updated: September 20, 2026Sep 20
Published: in 2026

Add to favorites Follow updatesFollow

After Installing on 1.21.11 · swipe

At a glance

Runs on Fabric

For Minecraft 1.21.9–26.3

Client only — no need to install it on the server

Latest version — 1.0.2+26.3 from September 20, 2026

Requires Fabric API

License MIT — free

Where it's needed

In gamerequiredOn servernot needed

Install in the game only; not needed on the server

Game versions1.21.9–26.3

This mod restores the old debug screen from Minecraft, which was changed in version 1.21.9. The update removed some features that players found useful for debugging and gameplay. This mod brings back those original features for a more informative experience.

Keywords: Reverts the debug screen, Old F3 Menu, Old F3 Debug Screen

Before

Before Mod

After

After Mod

FAQ

How to install Old Debug Screen?

Install Fabric for your Minecraft version, download Old Debug Screen for the same version and loader, put the file into the mods folder and launch the game with the loader profile.

Which Minecraft versions does Old Debug Screen support?

Old Debug Screen has builds for Minecraft 1.21.9–26.3.

Is Old Debug Screen needed on the server?

Client only — no need to install it on the server

License and source

MIT Licensefree to use and share with credit to the author

Original — Modrinth↗Files unchanged, verified with SHA-512Is this your mod? For rights holders