GTA Online Loses Steam Deck Support Due to Anti-Cheat Update

Rockstar's introduction of BattlEye anti-cheat software has rendered GTA Online unplayable on the Steam Deck, despite potential compatibility solutions.

Rockstar implemented BattlEye Anti-Cheat for GTA 5 and GTA Online, causing incompatibility with Steam Deck.
The update allows Story Mode play but blocks access to GTA Online on Steam Deck.
Valve's Proton compatibility layer for Steam Deck supports BattlEye, but Rockstar has not enabled it.
Rockstar directs technical support inquiries to Valve, sparking confusion and frustration among players.
Despite the multiplayer mode being restricted, single-player Story Mode remains accessible on the Steam Deck.