Grand Theft Auto V Update 3274 3407 111220 Patched Access

Rockstar’s official changelog for the 3274/3407 patch was characteristically sparse:

Translated from corporate speak, this patch was designed to kill mods—specifically, the most popular script injectors (ScripthookV) and native trainers (Menyoo, Simple Trainer, Krise Trainer). The “malicious code execution” fix is a direct shot at the Stand and 2Take1 mod menus, which had recently been weaponized to crash streamers’ games and inject malware under the guise of “trolling.”

However, the collateral damage has been immense. grand theft auto v update 3274 3407 111220 patched

For those who wish to preserve their modded GTA V experience, here are the current methods:

Yes. Unlike previous "stability" patches that broke mods or solo lobbies, update 3274/3407 is mostly a security-focused hotfix. If you play legitimately, you won't notice anything except fewer game crashes during character swaps. Rockstar’s official changelog for the 3274/3407 patch was

Warning to Modders (Single Player): Build 111220 modifies the update.rpf hash signature. Script Hook V will likely need an update before your mods work again. Do not update if you are mid-way through a modded playthrough.

Warning: Any downgrade will prevent you from accessing GTA Online. Attempting to go online with a downgraded client will result in a permanent ban (Rockstar has confirmed this via support tickets). Translated from corporate speak, this patch was designed

While GTA V on PC does not use full BattleEye (reserved for GTA Online), Rockstar has backported a telemetry module that scans for dinput8.dll and version.dll—the two most common proxy libraries used for mod loading. If detected, the game now silently flags your Rockstar Social Club account. No ban yet, but a “behavior score” is now tracked.

Community reverse engineers and developers from the GTA V Modding Discord quickly unpacked the 111220 build. The patch does three specific, profound things:

Prior to 111220, players were using a network desync involving the Facility’s orbital cannon room and a specific apartment in Del Perro. Build 3274 introduced a new transaction verification check. If the game detected a "Purchase" and "Sell" event within 300ms of a session merge, it would flag the transaction and revert the vehicle value to $0. Result: The infamous "Free Elegy RH8 to $1.7M Issi" dupe was patched.