[CraigCamm]

AFTER login, I would like to redirect to the the user to their /groups/ page, instead of their profile page. I do not want a permanent redirect for all profile requests. I would only like the redirect to happen after a successful login.

[chrishajer]

https://bbpress.org/forums/topic/heres-a-trick-to-redirect-user-back-to-topic-after-login#post-14268

You should be able to use that approach.