Grand Theft Auto V update 3274 (v3407) , released in December 2024 a significant mid-winter patch primarily focused on the GTA Online: Winter DLC

The Cayo Perico Heist: A brand-new heist set on a private island, playable entirely solo or with up to three other players.

Stability & Anti-Cheat: Continues the rollout of improved kernel-based anti-cheat measures and stability fixes to enhance the security of PC lobbies.

The update is mandatory for all players wishing to access GTA Online. To ensure you are running the correct version:

Anti-Cheat Implementation: The primary feature of this update was the addition of BattlEye anti-cheat to Grand Theft Auto Online. This was aimed at curbing the long-standing issue of "modders" and griefers in public sessions.