Google is releasing Fuchsia OS, starting w/ 1st-gen Nest Hub - 9to5Google

Google's long-in-development, from-scratch operating system, Fuchsia, is now running on real Made by Google devices, namely, the Nest Hub.
Article Tue, May 25, 2021
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Google’s long-in-development, from-scratch operating system, Fuchsia, is now running on real Made by Google devices, namely, the Nest Hub.