BuddyPress.org

One update on this: I tried renaming the register.php file to register.bak. Two results:

* going to /register still redirects home

* wp-signup.php works fine

Also tried to replace the contents of register.php with [h1]test![/h1] instead of the template code. That yielded the same result: redirects home.

The problem appears to be calling the template file, before any template interpretation happens.

I also tried to switch on WP_DEBUG, but that only threw a bunch of Warnings and Notices — no errors.