Regarding the invite plugin at https://github.com/michield/phplist-plugin-invite
This is with the latest version of PHPList.
I have configured a Subscribe Page (id 3) which gives radio buttons for selecting lists and HTML/Text.
And Config > Settings > Subscribe page for invitation responses is set to 3
I imported some new users to an empty list - "Invitees"
I looked in the db and these invited users have a value of
I send the email.
When I click the Confirmation URL in the email I get taken directly to a Thank You page (instead of Subscribe page 3).
Also noted that the user in question is still only subscribed to the "Invitees" list.