Android and Developer Preview 4, Final Release Before Official Rollout Now

Android and Developer Preview 4 is a release candidate build that offers the latest bug fixes and software optimizations. The build includes the ultimate developer APIs, which help developers begin final testing of their apps against the upcoming itroi of Androi.
Android and Developer Preview 4, the final release before its official launch, is now being rolled out to developers. The final release of Android O is expected to hit devices next month. The update comes at a time when the wider technology community is debating whether to call OSK Android Oatmeal or Android Orio.
The Android and Developer Preview 4 build has been graded as a release candidate, which means it includes all the final system behavior, including the latest bug fixes and software optimizations. The build includes the ultimate developer APIs, which help developers begin the final testing of apps against the upcoming iteration of Android. The build will ensure that developers make their apps compatible with Android O before they become available to the general public next month.
The update is only available for eligible devices and interested users can enroll through the Android beta program. The update will be rolled out to eligible devices in the form of an over-the-air update in the next few days. Google is also providing system images so that eligible device users can manually flash Android O Developer Preview 4. Those who are flashing their devices will not receive future updates as OTA updates unless you have registered your device through the beta program. The list of eligible devices includes Pixel, Pixel XL, Nexus 6P, Nexus 5X, Pixel C and Nexus Player.
With Android O, users will get new features like notification channels and dots, shortcut pinning, picture-in-picture model, and a few names automatically. The update also offers battery enhancements, including background execution limits and other important system behaviors.