Current Status of Using WPA3

Well, I wrote ~2016 and ~2019, that is my experience e.g. based on Android devices.
There probably are exceptions but they are ballpark figures.
Of course it depends mostly on drivers. We all know how far behind MikroTik has fallen w.r.t. WiFi drivers before the new driver package for ax devices was finally introduced. Of course that happens in client devices as well.