This is in reference to the 45mm Solar version:
1. When the Heart Rate is turned off, the battery estimates when connected/disconnected from the phone are wrong/backwards
2. If the Heart Rate is off and you try to go into the glance (HR or PulseOx), it freezes and you can only long press with a hot key back to the watch face. On the 2x, you can go into the glance and turn on the HR with the upper right button.
Anyone else can add what they see but please limit the conversations do this can be more direct for Garmin.