With the Google Pixel 3 and 3 XL, Google added a bit more polish to the camera app. There's a new mode selector that's more in line with Apple and Samsung's camera interfaces. This replaces the menu that you used to have to tap to get to the "Portrait" mode on the Pixel 2 or 2 XL. Just swipe across the screen to switch between camera modes. Google Pixel 3 The updated Google Camera app is now rolling out as of Monday morning and shows you the current shooting mode just above the shutter button. Just to clarify, this updated app only brings the new mode selector and a shortcut to...
Source: https://www.gsmarena.com/google_pixel_2_gets_updated_camera_ui-news-33856.php