Half-Life Legacy Update — Mod Compatibility Status & Broken Mods List

4/23/2026 — 1.5.3 Emergency patch

🧠 What This Means for Modders

1.5.3 Emergency patch — a general update — most mods survive, but check the broken list below. Roll-back guide →

📋 Patch Notes

[p]We've released an emergency patch for HALF-LIFE LEGACY. Emergency patches happen when our titles require a critical update outside of its regular development schedule.[/p][p]Version 1.5.3[/p][list][*][p]Fixed an issue where the "cart" / "sample-carrier" (crystal) is unable to be pushed in Anomalous Materials.[/p][/*][/list]

📄 Read the full patch notes on Steam →

✅ Mods Updated for This Patch (0)

These mods were updated after the patch — safe to use on the current version.

None yet.

⚠️ Mods That May Be Broken (0)

These native mods may not work until the author updates them. Everything else is unaffected — .esp, texture, and Papyrus-script mods are version-independent and survive patches.

None yet.

📋 Browse Half-Life Legacy Mods

↩️ How to Roll Back / Downgrade

Steam: open the Steam console (steam://nav/console) and run `download_depot <appid> <depotid> <manifestid>` to download the pre-update build, then copy those files over the updated ones. Set the game to "only update when I launch" (Properties → Updates). Always back up the game folder before a patch.

🕘 Previous Updates

Older Half-Life Legacy updates — click to read each patch note.