Unless you have a faulty unit, were your previous Navigation issues solved after last update? The 245 is more visible in sunlight and the buttons are a little easier to use during exercise.
Sliding down we can see the Body Battery and Stress widgets, which can also be overlaid together.
Fitbit is just not fixing it.
One the music widget you can adjust the volume by pressing the 3 dots and the speaker icon.
You can use the above link for any Amazon country and it should automatically redirect to your local Amazon site.
But just somehow record how many stair cases or other little elevation thingies climb that I can compare from day to day.