- Patch #312144 by CorniI, dropcube, EvanDonovan, Damien Tournoud, David_Rothstein, tstoeckler: install fails when default.settings.php is not present.

- Patch #545610 by brandonojc, Everett Zufelt, mgifford: search form needs a header for accessibility.

- Patch #701358 by aaron, quicksketch, chx, pwolanin, aspilicious: the file API presumes a hiearchical file storage.

- Patch #276876 by mr.baileys: remove case sensitivity from variable names (get/set/del) through extra documentation.

- Patch #766100 by andypost: undefined function _system_rebuild_theme_data() when trying to run update.php.

- Patch #478946 by Scott Reynolds: node_access() batch rebuild will 'fail' when a node isn't loadable.

- Patch #585012 by jpmckinney, David_Rothstein: setting a default theme in install profile causes WHACK errors.

- Patch #690288 by casey, klausi: back button in overlay doesn't work properly when there's redirection, e.g. #admin/structure/trigger.

- Patch #808030 by dhthwy: new themes are not detected when visiting themes setting page without first clearing the cache manually.