I was just about to buy Premium because I thought this was a feature, but decided to double check. Glad I did. I won't be paying until this becomes a feature.
Thanks for updating the heatmap, glad to see so much of the community shares my desire to see this updated regularly.
However, the original question stands: are there plans to update the comparison...
So you've effectively eliminated the ability for your users to search their past activities by location, a feature I use regularly in analyzing past rides and exploring routes. Thanks... /s