Over in the GC iOS forum, two years ago Fiu posted this and that is now locked, without any resolution.
I have this issue with my Garmin Connect Android App.
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I want to report that "new notification indicator" (see attached screenshot) is ON every time when I leave the app on my Google Pixel 9s phone. (close the app, minimize or switch to another app and back). I did not receive new notification (and I remove all past notifications). After I click on bell icon (clear the notification, or not - if there is no notification there) and came back to "My Day" screen, the dot disappears. When I minimize, close & reopen, or switch to another app and back, the dot is there once again. This behavior is constantly for at least 3 months. It is really frustrating.
I tried to clearing cache, storage, uninstalling then reinstall the app. I've restarted the phone. It is persistent behavior...it is broken. Is there a fix?