What's New in iOS 4.1? Get it now!

Have You Played Tetris on the iPhone Yet?

Via Apple, this update contains improvements, including the following:

  • Game Center:
    • Send and receive friend requests
    • Invite friends to multi-player games over the Internet
    • Play multi-player games by auto-matching with other players
    • View Leaderboards and Achievements
    • Discover new games from friends
  • High dynamic range (HDR) photos on iPhone 4
  • Support for TV show rentals on iTunes
  • Ability to upload HD videos to YouTube and MobileMe over Wi-Fi on iPhone 4
  • Additional support for AVRCP-supported accessories, including next & previous track control
  • FaceTime calling directly from Favorites
  • Bug fixes:
    • iPhone 4 proximity sensor performance
    • iPhone 3G performance
    • Nike+iPod fixes
    • Bluetooth improvements
  • Landscape Camera and FaceTime Call Controls
  • Direct Ping support in iTunes
  • Disable Spell Check Feature
  • FaceTime and Multiplayer/Game Center Restrictions
  • Over the air Nike + Submissions
  • AT&T Carrier settings shift to version 8.0

Products compatible with this software update? iPhone 4, iPhone 3GS, iPhone 3G, iPod touch 2nd generation, or later. Game Center requires iPhone 4, iPhone 3GS, iPod touch 2nd generation or later. Thanks to 9to5mac for a more comprehensive list of changes.