I made a .pet for this (ripped from Jammy32, released in June 2023). This is useful for older Puppys to connect to especially hidden (also WPA2) wifi connections using this tool. Tested with Fossa9.5 and Bionic32. Very easy to use in comparison to setting up Network Wizard (Dougal's).
There is ongoing development of SNS. Check https://forum.puppylinux.com/viewtopic.php?t=445 for any newer updates/releases.