The Apple iPhone 2.2 update page is now up:
What’s in this update:
* Enhancements to Maps
o Google Street View*
o Public transit and walking directions
o Display address of dropped pins
o Share location via email
* Decrease in call setup failures and dropped calls* Enhancements to Mail
o Resolved isolated issues with scheduled fetching of email
o Improved formatting of wide HTML email
* Podcasts are now available for download in iTunes application (over Wi-Fi and cellular network)* Improved stability and performance of Safari
* Improved sound quality of Visual Voicemail messages
* Pressing Home button from any Home screen displays the first Home screen
* Preference to turn on/off auto-correction in Keyboard Settings