Filed under: SDKThe release of the iPhone 4.0 SDK to developers included, in the accompanying agreement, Apple's new mandate that apps must be written in C/C++/Objective-C. This seems to block the use of alternative development environments for iPhone apps, such as the upcoming Flash CS5.
As criticism of this condition has mounted, we now have Steve Jobs responding to an e-mail from Tao Effect's Greg Slepak on the topic, sparking a discussion between the two on the change.