Pixel Watch Update Disrupts Fitbit Health Metrics for Some Users
A recent software update for Google's Pixel Watch appears to have introduced a significant bug affecting core health tracking functionality for a number of device owners. Following the rollout, users have found that two key biometric measurements—blood oxygen saturation (SpO2) and skin temperature—are no longer appearing within the companion Fitbit app.
Widespread Reports of Missing Data
The issue seems to be linked to the March 2026 system update for the Pixel Watch. Affected users note that while their watches continue to track other metrics like heart rate and steps, the dedicated tiles and data history for SpO2 and skin temperature readings within the Fitbit application have become inaccessible or are showing as unavailable. This disruption impacts users who rely on these metrics for sleep analysis, wellness trends, and general health monitoring.
It is not yet clear what triggers the bug, as reports suggest the problem does not affect all Pixel Watch owners who have installed the update. The inconsistency points to a potential software conflict or a glitch in how the update interacts with specific device configurations or the Fitbit app's data syncing processes.
Impact on Health Tracking Ecosystem
The absence of these readings represents a notable setback for the integrated health tracking experience that Google has promoted with its wearable devices. SpO2 monitoring, which estimates blood oxygen levels, and skin temperature tracking are featured health sensors on the Pixel Watch. Their sudden disappearance for some users undermines the reliability of the device's health suite and the longitudinal data collection that is central to Fitbit's service.
Users experiencing the bug have expressed frustration, particularly those who monitor these metrics for specific health reasons. The loss of historical trend data within the app is a compounding concern, as it breaks continuity in personal health records that users have built up over time.
Awaiting a Resolution
As of now, there has been no official statement or patch released to address the reported problems. The situation highlights the challenges of maintaining seamless functionality across interconnected software and hardware platforms, especially following routine updates. Typically, such widespread user reports prompt an investigation and a subsequent fix delivered via another software update or a server-side adjustment.
For now, affected users are advised to ensure their Pixel Watch and Fitbit app are running the latest available versions and to monitor official channels for any communication regarding a fix. Restarting the devices or reinstalling the Fitbit app are common troubleshooting steps, though their effectiveness for this specific issue remains unconfirmed.
Conclusion
The disruption of SpO2 and skin temperature readings for a segment of Pixel Watch users following a recent update serves as a reminder of the fragility of complex digital health ecosystems. While software updates are essential for security and new features, they can inadvertently break critical functionality. The focus now shifts to how quickly the issue can be diagnosed and resolved, restoring full health tracking capabilities to all users and maintaining trust in the platform's reliability.