Years after Warcraft III: Reign of Chaos and its expansion pack, The Frozen Throne were released for Mac OS X and Windows, Blizzard Entertainment continues to support them with patches. The latest, 1.20e, is now available for download.
Blizzard has since adapted Warcraft to become the biggest massively multiplayer online game ever released in the United States — more than a million players in the U.S. and more than 6 million worldwide. But of course the franchise existed long before that, spawning a successful series of real time strategy games. Reign of Chaos and its expansion pack, The Frozen Throne, are the most recent iterations of those RTS games.
Warcraft III remains a popular online gaming pastime, and the 1.20e patch has been released to address an exploit that could happen in multiplayer games. A minor map change has also been made has also been made to prevent a siege unit attack imbalance.