Specify multiple passwords for pages / posts / custom post types. An expiration date can be set for each password.
Get ready for languages packs (WP 3.7.1 feature)
Workaround to url_to_postid getting bugged. (see http://core.trac.wordpress.org/ticket/19744) The post ID was not retrieved on custom post types.
Use CSS scope on jQuery UI datetime picker to avoid collisions