Release Notes: This is a maintenance and security release recommended for all users. Security issues addressed in this release included potential privilege escalation and a bug which affects multisite installations with untrusted users. These issues were discovered and fixed by the WordPress security team. Other bugfixes included fixes for some issues with older browsers in the administration area, plugin compatibility with the visual editor, pagination problems with some category permalink structures, errors with both oEmbed providers and trackbacks, and prevention of improperly-sized header images from being uploaded.
Release Notes: There have been more updates to the Post Formats UI, including image drag-and-drop support for the Image format. There is now oEmbed support for Rdio and Spotify, a more polished Post Revisions display, and improvements to the new TwentyThirteen theme.
Release Notes: There were many bugfixes between Beta1 and Beta2, but the biggest change was a new approach to the Post Formats UI, which has done well in user testing.
Release Notes: New features include but are not limited to a new UI for Post Formats, Twenty-Thirteen, an opinionated, colorful, blogging theme, improved audio/video embedding without needing to rely on a third-party service, auto-save that uses browser local storage to keep your edits even if your server or browser crash, post-locking that improves post editing when more than one person needs to edit the same post, improvements to the Nav Menu user interface, and a new revisions feature for comparing edit histories.
Release Notes: This is a maintenance and security update.
Release Notes: This release has a completely new Media Library manager, easier-than-ever image galleries, and a new mobile-first, responsive theme named TwentyTwelve. There are also improvements to multi-site functionality, a retina-ready admin, and many new-and-improved API changes for developers.