How bbPress and BuddyPress hack WP_Query

bbPress and BuddyPress have this thing that we call “theme compatibility”.In a nutshell, it’s the system that lets those plugins seamlessly add templates for their screens and content types to your website, without requiring site owners to copy files around or edit their theme.

This session, intended for reasonably experienced developers, goes into the nitty gritty of how this works under the bonnet.