The next iPhone has not been released and any details about it are mere speculation. Gonna have to wait a little longer for an answer.
If iphone5 comes out with a 9 pin connector, will it still compatible with current Apple docking station? Secondly, can I update my current IOS5 to IOS6 ?

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic