Allo v12 adds animated selfie clips and a redesigned compose bar, prepares to add support for the 'enter' button, and more [APK Teardown]
http://www.androidpolice.com/2017/05/31/allo-v12-adds-animated-selfie-clips-and-a-redesigned-compose-bar-prepares-to-add-support-for-the-enter-button-and-more-apk-teardown/