- Patch #561226 by fago, sun, effulgentsia, YesCT, marcingy: forms (elements) need to able to specify include files to be loaded for building.

#953914 by chx, yched, effulgentsia, pifantastic: Fixed #limit_validation_errors fails is parents array contains numeric indexes.

- Patch #140783 by sun, chx, effulgentsia, David_Rothstein, webchick: a select list without #default_value() always passes form validation.

- Patch #756762 by effulgentsia, fago, sun: AJAX should follow same rules for whether to call drupal_rebuild_form() as non-AJAX submissions.

#763376 by fago, sun, noahb, effulgentsia, ksenzee, jhodgdon: Fixed Not validated form values appear in ().

- Patch #850166 by kiamlaluno: string concatenation should be formatted with a space separating the operators (dot .).

- Patch #561226 by fago, effulgentsia, sun, YesCT, marcingy: orms (elements) need to able to specify include files to be loaded for building.

#776956 by CrashTest_, Damien Tournoud, effulgentsia, chx: Fixed critical bug: Complex widgets are not respecting '#disabled' state.

- Patch #736298 by effulgentsia, eojthebrave, andypost, robeano: fixed Refactor file.module to use proper button click detection, enabling FAPI to improve button click detection security.

- Patch #735800 by effulgentsia, fago, Frando: node form triggers form level submit functions on button level submits, without validation. Oh yeah.

- Patch #803212 by effulgentsia, Heine: protection against forgery of input selection value doesn't work with checkboxes.

- Patch #755030 by jhedstrom, sivaji, kkaefer: #field_prefix()/suffix is displayed before the label. With tests.

- Patch #765860 by effulgentsia, dww, dereine, mikey_p, sun: make drupal_alter() support multiple alter hooks executed by module weight.

- Patch #426056 by effulgentsia, Berdir, sun, boombatower, tstoeckler: fixed server-side enforcement of #disabled is inconsistent.

- 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 #558928 by mgifford, brandonojc, Owen Barton, Everett Zufelt: follow-up on making form element labeling more accessible.

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

- Patch #735808 by fago: fix multiple field value form to work with form API persistence. Added tests.

#260934 by plach, ShawnClark, et al: Fixed Static caching: cannot call drupal_validate_form() on the same form more than once.

#567192 follow-up by Berdir: Remove tests for functionality that has not yet been committed. Oopsie.

#370537 by chx, sun, effulgentsia, quicksketch, eaton, Heine, and yched: Allow buttons to only validate sections of forms, e.g. More buttons. (with tests)

- Patch #502190 by jhodgdon, stella, sun: hook implementation headers out of compliance with standards.

- Patch #558928 by brandonojc, mgifford, Owen Barton, Everett Zufelt: improved consistency, flexibility and accessibility of form element labels.