[FORK] Twilight Forest Thread Safety Addon

Fix compatibility issues between C2MEF and Twilight Forest & Make TF generation thread-safe and faster

3.9K Downloads

forge

Rent Server with this Mod

About this Mod

TwilightForest Thread Safety Addon for 1.20.1 Forge

This mod is an unofficial fork of TwilightForest Thread Safety Addon made by ishlandmc.

It makes C2MEF or C2ME + Connector (C2ME + Connector is not fully tested) working with Twilight Forest on Forge 1.20.1 by making Twilight Forest generation thread-safe and faster.

Available Versions

[FORK] Twilight Forest Thread Safety Addon 1.1.0release

MC 1.20.1forge

February 1, 2026

[FORK] Twilight Forest Thread Safety Addon 1.0.0release

MC 1.20.1forge

January 15, 2026

How to Install [FORK] Twilight Forest Thread Safety Addon on Your Server

Order Server

Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).

Set forge Loader

In the panel under "Egg", select the forge loader and matching Minecraft version (1.20.1).

Install Mod

Open the mod browser in the dashboard and search for "[FORK] Twilight Forest Thread Safety Addon". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

forge

Minecraft Versions

1.20.1

Server-side

✓ Required

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

[FORK] Twilight Forest Thread Safety Addon server crashes on startup – what to do?

Most common cause: wrong forge version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.20.1). You can switch loaders with one click in the panel.

Is [FORK] Twilight Forest Thread Safety Addon compatible with forge?

[FORK] Twilight Forest Thread Safety Addon officially supports forge for Minecraft 1.20.1. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with [FORK] Twilight Forest Thread Safety Addon – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if [FORK] Twilight Forest Thread Safety Addon consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.