A couple of weeks ago, Google let developers get an early-look release of the new Android 1.5 SDK in order to start prepping their apps for the updated platform. Today, Android 1.5 is officially released.
Click here to see the release notes.
The Android team also said that HTC, the manufacturer of the Android powered G1, has made new system images available to upgrade dev phones to Android 1.5.
Hmm, perhaps some of you developers out there will be creating a new Android app with Facebook's new Open Stream API?