If you're wondering what to expect in terms of new features from Google Photos in the near future, then you'll like the fact that the service's product lead, David Lieb, has basically revealed exactly that through a string of tweets. He was interested in feedback from users, to be made aware of outstanding bugs, possible performance improvements, and feature requests. While replying to a lot of those, he outed what's coming. First off, manual face tagging. Right now you can't select photos to be added to a face if the app hasn't picked them beforehand, but this will change in the...
Source: https://www.gsmarena.com/google_photos_will_add_manual_face_tagging_pet_photo_sharing_timestamp_editing_on_android-news-37932.php