Valkrien Skies TFC Compat Fix

A small Forge patch mod that restores compatibility between Valkyrien Skies (VS2) 2.3.0-beta12 and TerraFirmaCraft (TFC) on specific versions where VS's old TFC-compat mixin crashes due to method signature changes.

481 Downloads

forgegame-mechanicsoptimizationutility

Rent Server with this Mod

About this Mod

A small patch mod to restore compatibility between Valkyrien Skies 2.3.0beta-12 and TerraFirmaCraft (TFC) when the original VS TFC-compat mixin no longer matches TFC’s updated method signatures.

More Information on github: https://github.com/DXENDBucket/Valkrien-Skies-TFC-Compat-Fix

Available Versions

Valkrien Skies TFC Compat Fix 1.0.0release

MC 1.20.1forge

January 15, 2026

How to Install Valkrien Skies TFC Compat Fix 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 "Valkrien Skies TFC Compat Fix". 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

Valkrien Skies TFC Compat Fix 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 Valkrien Skies TFC Compat Fix compatible with forge?

Valkrien Skies TFC Compat Fix officially supports forge for Minecraft 1.20.1. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Valkrien Skies TFC Compat Fix – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Valkrien Skies TFC Compat Fix 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.