The new official iPhone Firmware is out along with a new version of iTunes.

Please be sure to NOT update your iPhone with the new firmware if you still want to use homebrew. The latest version is NOT homebrew enabled and will most likly cripple your jailbroken phone (if you have one).

Changes:

Maps with locations
Webclips
Customizable home screen(s)
SMS multiple people at once
Chapters, subtitles, languages (Video playback related)
Lyrics support (Audio playback related)

http://www.apple.com/iphone/