If you click on your name above (where it says "in Policy and Style by Patrick Chadwick") you will come you your G2G profile page with lists your most recent activity.
Alternatively, on the WikiTree profile for a person, click on the contributions link. E.g. on your profile at the top it says:
"Signed 15 Apr 2023 | 3,612 contributions | 17 thank-yous | 438 connections Help". Click on the "3,612 contributions" link and you can see the date of the most recent contribution.