Now September 2017 will witness the launching of the next android version starting with the letter O. Developer preview had been launched already. A developer preview is to show the developers the advances and differences between the old version and new version. It has been aimed to make necessary arrangements to developers in developing their apps to suit to the new version.
While there was an overhaul in the Nougat , that changes can’t be expected from the ‘O’ version.
Android O developer preview is available for the Pixel, Pixel XL, Nexus 6P, Nexus 5X,Pixel C and Nexus player
Which is already available on Android TV is coming to Android O. This is mostly used for video playback.
Improved keyboard control
As Android O wont be restricted to phones, there will be improved arrow and tab key navigation for when used with a physical keyboard.
Wi-Fi Aware will allows apps and nearby devices to discover and communicate over Wi-Fi without an internet access point. There will also an improved Bluetooth support for high-quality audio through the Sony LDAC codec, and new ways for third-party calling apps to work with each other and with your network operator's special features.