aurel007 So looks like Timeline data will be deleted sometime around the beginning of December 2024 and your app will try to store Timeline data on your device automatically after then or your data risks deletion. I received emails from location-history-noreply@google.com on June 12, 2024 and July 13, 2024 with the following info and a link to set up the new settings:
You previously turned on the Timeline setting—formerly called Location History —which helps you go back in time and remember where you’ve been. With Timeline, your visits and routes are automatically saved to a map on each of your devices.
Timeline is changing and will now be created on your device. As part of this, you'll need to choose settings for your data by December 8, 2024 to avoid losing visits and routes.
How it works
Like before, your devices will continue to save your visits in Timeline when this setting is on. But starting today, if you're signed in on multiple smartphones, each device will save new visits on its own Timeline.
What you need to do
If you’d like to keep your saved visits and routes, choose your settings on your preferred smartphone by December 8, 2024. (You may first need to update the Google Maps app.)
After you do this, you’ll only be able to use Timeline in the app.
If you take no action, you may lose data. Google will try moving up to 90 days of Timeline data to the first signed-in device you use after December 8, 2024. Your older data will be deleted. Timeline will also remain on for your account, and your devices will continue saving new visits. Your visits and routes older than 3 months will be auto-deleted.
Review & choose settings
If you don’t want any Timelines on your devices, you can turn off this setting and delete your data in Activity controls.
Your Timeline data
3
Countries/Regions
247
Cities
1923
Places
Go to your Timeline
About Timeline
Timeline helps you go back in time, and remember where you've been, by automatically saving your visits and routes to a map on each of your devices. To learn more about Timeline, visit the Help Center.
When I go to "Your Timeline" in the Google Maps app I indeed see the cloud icon at the top right which if selected lets me toggle on encrypted backups to Google servers. This indicates my Timeline data has been successfully migrated.
More info about the migration process can be found here including that you need to update your Google Maps app to the latest version: https://support.google.com/maps/answer/14169818?co=GENIE.Platform%3DAndroid&oco=1
Let us know once you make the (eventually mandatory) change to device Timeline storage and let us know if it still logs your location on your Grapheme OS device. If not, we may have isolated where the issue is.
My only other thought is that toggling/refreshing settings sometimes solves problems (e.g. logging in and out of Google on your device, deleting cache/data, etc). I'll refrain from this troubleshooting for now as there's many possibilities and we may be close to an answer.