Halo: The Master Chief Collection multiplayer fixed for Steam Deck / Linux

After 10 days of waiting, 343 Industries / Xbox Game Studios finally again fixed up the online multiplayer for Halo: The Master Chief Collection on Linux desktop and Steam Deck after breaking it.

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You can now play Halo: The Master Chief Collection on Steam Deck

343 Industries Explains Master Chief Collection Progression System

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Halo: The Master Chief Collection (976730) · Issue #2907 · ValveSoftware/Proton · GitHub

Halo: The Master Chief Collection (MCC) Update – July 2023 – Halo Support