Google did not exactly release an update log for the Android 7.1 update but Android Police managed to get their hands on it from a source, and it lists all the changes that will be present on Pixel as well as non-Pixel devices. The list of Pixel-exclusive changes includes the new Pixel Launcher, the one where you swipe up for all the apps and has a new search widget. You also get the Google Assistant, which, make no mistake, is very much a Pixel exclusive feature and not coming to other Android phones. Pixel owners will also be able to backup all their photos and videos in full quality to...
Source: http://www.gsmarena.com/here_is_the_changelog_for_android_71_for_pixel_and_nonpixel_devices-news-20898.php