Yes, WassUp is still alive and continues to provide WordPress users with accurate stats that is never obsolete. Over 12 years old and still going strong!
About Update v1.9.4.5
This is a bugfix and security release that makes Wassup compatible with the current version of Wordpress (5.3.x), fixes the geolocation error that disabled the spyView map pins, fixes the mislabel of Googlebot as spam for url /.well-known/asset-links.json, resolves the cURL security issue that Wordpress' plugin team expressed concern about, and more.
Who Should Upgrade
This is an urgent upgrade for all users.
If you find problems in WassUp, please log them in detail on Github or open a new topic in the WassUp support forum.