Welcome! This forum has a treasure trove of great info – Scouters helping Scouters! Just a heads up, though - all content, information, and opinions shared on this forum are those of the author, not the BSA.
The “Invite to Connect” button now lives under “Edit Extended Information”.
There was an updated instruction set issued for connecting scouts to their accounts after the profile information moved to IA2. The inviting scout to connect instructions are near the bottom.
There are also some troubleshooting tips here in case parents have issues inviting their scout to connect: