• Video and audio calls: Start a video or audio call with Google Duo. Just tap the Duo icon in the top right corner of your chat to open or install Duo.
• Personal QR codes: Another way to add more friends on Allo!
• Bug fixes: Performance improvements for a better chatting experience.
Above are the full change-log of this update you can get the APK file of this update from below link.
Google Allo v14 APK