Google’s latest Fitbit update is breaking SpO2 and skin temperature tracking on Pixel Watches, leaving users frustrated.

Unexpected sensor outage: A recent Fitbit firmware update removed permissions for key health sensors on Pixel Watch 3 and 4, leaving users without SpO2 and skin temperature tracking. App transition ...

Following the March 2026 update for Google Pixel Watch devices, a number of users are reporting that their SpO2 (blood oxygen) and skin temperature readings have vanished from the Fitbit app. The ...

Pixel Watch users report missing sleep stats on-device as Google faces new Fitbit-related health tracking issues and bugs.

The latest Pixel Watch 4 leak comes from marketing materials that tout Google’s upcoming wearable as having “significant technological advancements over its predecessors,” while we get a better look ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. October 17, 2025 Add ...