Steam improvements

[Jay]

Nifty!

News - Download Better, Stronger, Faster

if an individual file on disk were modified by a game update, your client had to download the whole file. That can be painful when the file in question is really large. The new system supports delivering only the differences between the old and new files, meaning game updates will be much smaller overall.

[Harbinger]

There goes all the steam server managers.

[ResLo]

Good improvement.