battle.net/forums/war3/thread.aspx?fn=war3-general&t=1935549
"February 6th, 2008 - Patch 1.21b (No CD Patch)is completed and should be available online today. Patch 1.21b will not break any of 1.21's replays.
This patch will allow owners of Warcraft III/TFT who have their game installed, to play the game without having their Warcraft III/TFT CD in their CD ROM drives.
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Patch 1.21b
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FEATURES
- The game no longer requires the CD to play."
"February 6th, 2008 - Patch 1.21b (No CD Patch)is completed and should be available online today. Patch 1.21b will not break any of 1.21's replays.
This patch will allow owners of Warcraft III/TFT who have their game installed, to play the game without having their Warcraft III/TFT CD in their CD ROM drives.
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Patch 1.21b
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FEATURES
- The game no longer requires the CD to play."