You may want to check out this recent thread:
https://www.wikitree.com/g2g/1496894/connection-count-goes-whats-the-easiest-way-find-the-profiles
I too would like to see just the recent additions or deletions from the CC7 list. I have used the "CC7 Views" app by Ian Beacall and love it! But would still like to see what has changed over the last XX days. Perhaps a new app could be made for just this purpose? Maybe "CC7 Changes"?