• Start of PPV (Pay Per View) service
• It is now possible to fast forward, rewind, or move between chapters when viewing video content.
  
• It is possible now to have up to 8 simultaneous background downloads running at the same time.
  
• Individual downloads can now be paused or resumed.

• Instant distribution feature of My Page backgrounds added

• Improvements in penalty judgments
• Improved physics during collisions between cars in Online races.

• The tire selection in Arcade time trials changed from “S2” fixed, to “N1-S2”

• It is now possible to display top lap times in all courses in a list.
• Improvements in the user interface

• Improved controllability when using S1-S3, and R1-R3 tires.
• Changed calculation rules for performance points.

• Added [Standard Definition (SD) Display Size] in [Display Settings]
• Moved the [Temperature] unit setting from [Network] to [Units]
• Added Expansion Data settings and Advanced Download Option settings in [Network]

• 6 BGM tracks added
• Added port 5658 to the ports used in Online races.
  

• Added port 5658 to the ports used in Online races.

• Players matched in Online races now added to the [Friends] → [Players Met] menu within Playstation 3.
• The time and score from replays of time trials, drift trials, and distributed demo replays are now displayed after their replay. For distributed demoÂ’s, the Online ID is also displayed here.
  
• Manual updated

• Gran Turismo Academy: if virtual cars just aren't enough
• Sony: Worldwide sales for Gran Turismo franchise exceeds 50 million
  

Via Gran Turismo