Google has just announced Android 7.1.2 Beta, which is an incremental maintenance release focused on refinements, so it includes a number of bugfixes and optimizations, along with a small number of enhancements for carriers and users.
The initial devices to get Android 7.1.2 Nougat Public Beta includes, Pixel, Pixel XL, Nexus 5X, Nexus 6P, Nexus Player, and Pixel C. While, the Nexus 6 and Nexus 9 won't get 7.1.2 Update.
Google says to expect the final release of latest Android version (7.1.2) in just a couple of months. For now, users can grab the Beta Factory Images from below link.
Download: Android 7.1.2 Factory Images
Via: Android Developers
Update: 21/03/2017Android 7.1.2 Beta 2 with build NPG47I is now rolling out for selected Pixel and Nexus Devices
The update adds new Notification Gesture to the Nexus 6P and it also brings Pixel Launcher, Pixel-style nav buttons to the Pixel C.