http://cre.ations.net/blog/post/iphone-113-firmware-behind-the-scenes-changes
Highlights:
1) Springboard support for more apps
2) Apps now run as "mobile" and not root
3) Speculates this is all in preparation for the SDK...
Highlights:
1) Springboard support for more apps
2) Apps now run as "mobile" and not root
3) Speculates this is all in preparation for the SDK...