Heres the list so far:
- General speed improvement in booting, app launching and performance
- Monitoring/debugging apps over Wi-Fi for developers
- Improved battery life for iPhone 3G & 3GS only
- Better accuracy in indicating battery percentage and battery percentage toggle for all devices
- When moving icons in the springboard, iPhone vibrates
- Voice Control for 3GS compatible with Bluetooth headsets
- Safari speed increases and Fraud Protection Toggle in Safari Settings
- Save video attachments to your photo album
- ?Trim Original? and ?Save as New Clip? for Video Recording in 3GS, save a copy of your video before trimming
- APIs to allow third party apps to access videos and edit them, meaning video editing apps in the Appstore
- Improvements to the Compass on the 3GS in terms of performance
- MMS now only allows a maximum of 5 photos sent at once
- Copy/Paste functions for numeric keypad in Phone app
- Toggle to password protect the ?Find my iPhone?
More info and updates here
- General speed improvement in booting, app launching and performance
- Monitoring/debugging apps over Wi-Fi for developers
- Improved battery life for iPhone 3G & 3GS only
- Better accuracy in indicating battery percentage and battery percentage toggle for all devices
- When moving icons in the springboard, iPhone vibrates
- Voice Control for 3GS compatible with Bluetooth headsets
- Safari speed increases and Fraud Protection Toggle in Safari Settings
- Save video attachments to your photo album
- ?Trim Original? and ?Save as New Clip? for Video Recording in 3GS, save a copy of your video before trimming
- APIs to allow third party apps to access videos and edit them, meaning video editing apps in the Appstore
- Improvements to the Compass on the 3GS in terms of performance
- MMS now only allows a maximum of 5 photos sent at once
- Copy/Paste functions for numeric keypad in Phone app
- Toggle to password protect the ?Find my iPhone?
More info and updates here