#559486 follow-up by plach: Fixed fatal error in tests that for whatever reason testing bot is not catching. Grrr.

- Patch #428296 by dropcube, sun, catch: filter system doesn't communicate with other modules about filter format changes/deletions.

- Patch #546336 by sun, dropcube: code clean-up and documentation improvements for the filter hooks.

#496516 by Crell and Berdir: Moved query_alter() into a preExecute() method, so that modules can know the final query/arguments before they are run.

#559306 by emmajane: Remove 'Select different theme' permission which was left in accidentally after removing the per-user theme feature from core.

- Patch #460320 by catch, fago, Frando: standardized, pluggable entity loading for nodes, users, taxonomies, files and comments.

#505084 by Rob Loach: Added an #attached_library() FAPI property for drupal_add_library(), for consistency with #attached_css and #attached_js.

- Patch #537434 by chx, bangpound, moshe weitzman, David Strauss: move the blog API module to contrib.

#492186 by catch, mfb, BTMash, TheRec, and rainbreaw: Fixed bug causing authoring information to never be updated (with tests).

#557932 by plach and bangpound: Fixed taxonomy term field autocomplete widgets validation, which broke after translatable fields.

- Patch #262906 by Davy Van Den Bremt, mooffie: bogus form_build_id_/nodetype/ variable created on type settings page.

#535564 follow-up by pwolanin and Gábor Hojtsy: Create 'Web services' category and move Aggregator under there.

#547846 by David_Rothstein: Fixed a missing reference operator that caused Drupal installation to fail on PHP 5.3.