Google today made what it calls the "final preview" of Android O available to application developers. This new build carries with it all the bits and pieces developers need to make their apps fully Android O capable. Google plans to release Android O to the general public later this summer.
Google today made the second developer preview of Android O available to developers. This second preview builds on the first version released in March and is stable enough for public beta testing. In addition to offering the new bits to developers, Google detailed Android O's many features.