Sony has released version v1.06 of Gran Turismo 5.

The 300MB patch features some important changes such as adjustable gear ratios, a performance points system and choice of different rear and front tyres.

Full changelog after the jump.

...

- "arcade only" car order swapped
- camber setting in the course maker
- car ballast adjustment
- fuel depletion and tyre wear can be turned off in on-line mode
- fully adjustable gear ratios
- increased xp for races
- multi-monitor support
- multi select (car garage, photo album, replay theatre)
- new filters in the on-line lobbies
- new pre-gt life cut-scenes
- notification for already purchased cars in the dealership
- on-line dealership has more cars
- performance point system
- power limiter on the tuning menu
- races can be scheduled to start at a specific time
- remote race icon below the lounge icon
- restart race has a confirm menu
- seasonal events with new created tracks
- stick sensitivity option
- tv camera when entering pits
- you can choose different tires for front and rear
- you can use course maker tracks on-line

Source: GT Planet