Here's a diff from 2.8.1-beta2 to 2.8.1-RC1: http://core.trac.wordpress.org/log/branches/2.8/?action=stop_on_copy&mode=stop_on_copy&rev=&stop_rev=11654&limit=100 You can find the other changes lists on the WordPress Dev Blog: http://wordpress.org/development/ -- http://scribu.net