Android 9 Pie is available for Google Pixel phones today TheVerge

In Summary :

Google has announced that the final, shipping version of the newest Android update is available for all Pixel phones today. And, as usual, it has announced a name to go along with the over-the-air update: “Android 9 Pie.”

Android 9 Pie’s headline features are the same ones that we revealed back in May: a “Digital Wellbeing” dashboard, a new gesture-based navigation system, and other AI-enhanced improvements to the UI. It also received many subtle improvements to the overall look of the software, including a new status bar that’s designed to work better with notches.

However, the official release will not include all of the features that Google announced at Google I/O. The main things that will be missing are the Digital Wellbeing features, including the usage dashboard, app times, and a “wind down” setting for when you go to bed. Instead, those features will be offered as a beta for Pixel users right away. The actual release will come in the fall; Google says “Android One and other devices coming later this year.” One can assume that among the “other devices” will be the new Pixel 3 phones. [...]

kindly refer the following link as follow up :
https://www.theverge.com/2018/8/6/17651996/android-p-name-pie-9-update-google-pixel-phone-release-date