As reported by 9to5Google, Google could be working on a new Nest Hub device with a removable display. The company suggests that its source is "proven familiar with Google's plan" and that the gadget could launch as early as this year.
https://www.notebookcheck.net/Rumor-suggests-that-Google-could-be-working-on-a-new-Nest-Hub-with-a-detachable-tablet.610095.0.html