A new render appears of the Google Pixel, showing a couple of new things that we haven't seen before. This render has the updated UI of the pixel launcher which was said to feature round buttons on the home screens. A new difference that we now see is the lack of a front button or sensor that we've seen in some hardware leaks. This inconsistency (assuming these were actual renders of the Google Pixel) could suggest that the front sensor was a temporary sensor used for development or prototypes until the company was able to design it onto the back of the handset? Alleged render of...
Source: http://www.gsmarena.com/alleged_official_render_of_the_google_pixel_with_no_home_sensor_button-news-20716.php