#910190 by sun: Remove schema cache from needlessly being loaded on all pages. Performance improvement.

- Patch #910572 by sun, David_Rothstein: command line installations are broken (programmatic form submissions don't need a theme?).

#418302 by David_Rothstein, dww, reglogge, and lots and lots of other people: Copy default.settings.php to settings.php during install if webserver owns files. Eliminates 'red error of death' during install for most shared hosting set-ups.

#734234 by quicksketch, moonray, Melissamcewen, ekes, flobruit: Fixed Radio buttons throw warning in element_children() if keyed with '' (empty string).

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

- Patch #240828 by sun, yoroy: fixed 'Validation error, please try again...' is terrible UI and confuses users.

#818418 by Amitaibu: Fixed Notices on language negotiation callback when trying to force a full bootstrap.

#896170 by yched: Fixed default formatter for 'Text with summary' field type should be 'text_default()'.

#616240 follow-up by yched, dereine, marvil07: Make Field UI screens extensible from contrib - part II.

#805452 by Jeff Burnz, tim.plunkett, mgifford: Fixed Bartik, your skip link is always hidden; even on focus.

#763376 follow-up by fago, sun, effulgentsia: Minor adjustments to drupal_array_set/get_nested_value().

- Patch #757154 by sun, effulgentsia: base form_id() via hook_forms() not taken into account for #validate, #submit, hook_form_FORMID_alter().

- Patch #906922 by auzigog: error message icon is tiled for when the message appears on a batch page in place of a progress bar.