Apple today released iPhone OS 3.1 beta (Build: 7C97d), which is a pre-release version of iPhone OS 3.1.
Apple today also released iPhone SDK 3.1 beta (Build: 9M2736a), which is a pre-release version of iPhone SDK 3.1 to support development of applications for iPhone OS 3.1 beta.
iPhone SDK 3.1 beta includes bug ﬁxes and usability enhancements.
[UPDATE: 8:58pm EDT: Fixed the “beta beta” business.]
[Thanks to MacDailyNews Reader “Dev Dude” for the heads up.]