Re: Redirect to root after Login
This has been this way for some time now.
This topic should give you more info on this…
https://buddypress.org/forums/topic.php?id=1382#post-6727
If you login through the quick-login box in the header, you should always get redirected to whatever page you were on. If you click “Login” in the buddybar, it would need to save the referring page on the wp-login.php page load, which is more of a WPMU issue than a BuddyPress issue it sounds like.