Did your Google Maps Timeline disappear? Here's the fix to get yours back
Briefly

Google Maps has faced a technical glitch that deleted Timeline data for some users. Google admitted the issue, indicating that those with encrypted backups could restore their information, while others would lose their data permanently. The transition from Location History to the Timeline meant a shift in how data is stored—from cloud storage to local device storage—which raised privacy concerns and impacted data recovery options. Users are advised to back up their Timeline data via the app to prevent data loss in the future.
We briefly experienced a technical issue that caused the deletion of Timeline data for some people.
In the past, your location data was stored in the cloud via your Google account.
The goal is to help you easily return to a previous location by accessing its history.
To back up your Timeline, open Google Maps on your iPhone or Android device.
Read at ZDNET
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