The first release of the Android P developer preview is not available through an OTA update. This one is codenamed "P", and your guess is as good as ours as to what dessert-themed name the final version of the software will receive.
Another takeaway from this is the fact Google no longer has a tablet in its lineup, and there are no new Android tablets on the horizon from the search giant.
As far as the notable changes for developers are concerned, "Android P restricts access to mic, camera and all SensorManager sensors from apps that are idle".
Android P makes it clear that Google's mobile OS is going to embrace the notch.
Google today released the first Android P Developer Preview. You can only install the preview image on Pixel devices (Pixel, Pixel XL, Pixel 2, Pixel 2 XL) and on the Android emulator. It is also giving developers access to a multi-camera API, which will enable them to make greater use of dual camera set-ups. So, developers can create app that can utilise both the cameras.
Messaging in Android P has also gotten a facelift with the help of a new MessagingStyle notification UI.
It goes without saying that the Android P would be a big update with major visual changes.
Say what you will about smartphones that sport a "notch", but the next version of Android is jumping onboard the new design trend. Devices are now also able to subscribe to different update channels thanks to the new APIs that have been added to UpdateManager. Since Oreo is sweet but has a very limited color range, Android P should bring back the colors, so what about Popsicle? Manually flashing a device is useful if you need precise control over the test environment or need to reinstall frequently, such as for automated testing.
It should go without saying that as this is such an early preview, it is likely to be pretty unstable and lacking numerous features and refinements that will eventually find their way into Android P, but this developer preview is here for the curious to try out.