Which SDK should you compile for? 2.2.1? 2.2? Choosing an active SDK version can affect both your target audience and possible App Store sales. We recently wrote about SDK choices, noting that building for 2.2.1 (the latest version, as of this writing) might cut out users who had yet to upgrade from the 2.2 firmware.
Ars readers responded both in comments and e-mail, asking whether delaying the firmware upgrades were typical of iPhone users or whether they indicated the relatively small audience of jailbreakers, who purposefully held off on upgrades. To answer this question, we turned to a few experts on the subject.Read more »