The specific version 1.4.382 relates to a significant update for the PC version of the original Call of Duty: Modern Warfare 3 (2011) , released in late January 2012.
By late 2011, Modern Warfare 3 was a commercial titan but a technical battleground. Following the high-profile departure of Infinity Ward co-founders Jason West and Vince Zampella, the PC version of MW3 was released with a compromised infrastructure. It relied on IWNet—a hybrid matchmaking system that attempted to blend console-style lobbies with the dwindling tradition of PC dedicated servers. The result was a frustrating limbo: players had server browsers, but without full administrative autonomy. Modding was practically nonexistent at launch. call+of+duty+modern+warfare+3+14382+patch+patched
To understand the patch, we must understand the battlefield it landed on. By late 2012, Modern Warfare 3 had been out for over a year. The meta was settled. The MP7 and ACR 6.8 were kings. The community had fractured into three distinct groups: The specific version 1
Community Clients (Plutonium/IW5): Many players use community-driven clients like Plutonium (IW5) to play MW3 today. These clients effectively "patch" the 1.4.382 base game to add dedicated server browsers, better anti-cheat, and controller support that the official version lacks. 6v6: 6 Star, Tanked