Ever since the launch of Google Duo, one of the top criticisms has been that you can only have a single device registered at a time. That means a person with both a phone and a tablet has to choose just one of those devices to receive calls. But a few months ago, we got the first clue that Duo would soon enable users to link a Google account, making it possible to contact people with their email address rather than needing a current phone number.
Google Duo v27 confirms multi-device support is coming with Google account linking [APK Teardown] was written by the awesome team at Android Police.