Drupal, phpBB, Symfony, Joomla complexity improving over time, but not Wordpress

Supporting evidence from @ircmaxell, on Twitter: https://pbs.twimg.com/media/BKf6m3cCEAEKDCK.png

Not 100% sure his methodology, but it looks like this research is in preparation for this presentation next week: http://portland2013.drupal.org/session/development-numbers

Wordpress has shockingly bad code for how often it is used.