Google has announced the availability of the second and last Developer Preview of Android 8.1. The first DP (and beta) went out last month, and the finalized version of this release should be rolling out in December. Until then, if you have a supported Nexus or Pixel device you can try this new beta software, which comes with "near-final" system images and official APIs (level 27). Of course some unnamed bug fixes and optimizations are baked in too. Perhaps the most important feature in Android 8.1 DP2 is the activation of the Pixel Visual Core chipset in the Pixel 2 and Pixel 2 XL....
Source: https://www.gsmarena.com/last_android_81_developer_preview_is_out_activates_pixel_2s_visual_core_chip_for_hdr_snaps_using_thi-news-28448.php
