An apparent dispute between Rockstar and Valve has left Grand Theft Auto 5 to be listed as unsupported by Steam Deck.

Surprisingly, Rockstar have now added BattlEye anti-cheat to Grand Theft Auto V, and sadly it seems they have not enabled the support for Linux desktop and Steam Deck with Valve's Proton.

The reason for Valve listing Grand Theft Auto V (GTA V) as unsupported is that the developer, Rockstar, has reportedly disrupted compatibility with Valve's handheld for its online modes

A new update for Grand Theft Auto Online has left the game in shambles for players on the Steam Deck. Here is what we know so far!

However, Rockstar has been very tight-lipped about what to expect from Grand Theft Auto VI. It released just one tantalizing trailer, though you can find footage online. Right now, we can only speculate about the crime drama's direction. Before GTA VI becomes a reality, here are six features we’d like to see Rockstar implement in the game.

As you can see in the image above, this is the latest fight around Linux anti-cheat: like the developers of Fortnite and Roblox, Rockstar has decided not to support the Steam Deck

You may have noticed that Grand Theft Auto V is no longer verified on Steam Deck. That's seemingly because of the BattlEye new anti-cheat software for GTA Online, which rolled out earlier this week. As Rockstar explains in its official FAQ,