BattlEye Anti-Cheat was rolled out in yesterday's GTA5 update. As the patch notes explain, it's possible to disable it in the RockstarGames Launcher if you're just heading into Story Mode ...
When is GTA 6 coming out? Given how many years it takes to create open worlds of the same caliber as GTA5, it’s no surprise that RockstarGames has already spent years developing GTA 6.