- Patch #645800 by katbailey, effulgentsia, rfay: ajax_deliver() ignores #ajax['method'] and incorrectly forces 'replaceWith' for simple AJAX callbacks, D6->D7 regression.

- Patch #755566 by effulgentsia: use of ID within theme_filter_guidelines() breaks HTML validation with more than 1 field item on a page.

- Patch #348448 by mfb, c960657, marvil07, cdale, jpmckinney: fixed PHP strict warnings when running tests and for PHP 5.3.

- Patch #384992 by effulgentsia, sun: drupal_html_id() does not work correctly in AJAX context with multiple forms on page.

- Patch #684846 by effulgentsia, rfay, quicksketch, aspilicious: AJAX triggered by non-submit element fails if any elements are validated.

- Patch #656782 by effulgentsia: critical bug: ajax_process_form() results in settings being returned for elements that aren't re-rendered as part of the AJAX request.