- Patch #902644 by sun, tobiasb: machine names are too hard to implement. Date types and menu names are not validated.

  This patch fixes a bug, but is also a last minute clean-up that will help with better distribution support. We discussed this in http://drupal.org/node/933846.

#876762 by Dave Reid, yched: Fixed modules have no way of knowing if vocabulary machine names are changed.

#936836 by swentel: Fixed critical issue Autocomplete term widget doesn't return any values - unknown key vid.

- Patch #818374 by Damien Tournoud, ksenzee, Dave Reid: add a requirements check error if PECL PDO is being used.

- Patch #913528 by chx, Berdir, catch, tstoeckler, yched, dereine: create new boolean field 'Cannot create references to/from string offsets nor overloaded objects'.

- Patch #937562 by tim.plunkett, chx, justinrandell: fatal Error Call to a member function getDirectoryPath() on a non-object when Default picture is set.

#933922 by solotandem: Fix SimpleTest form displaying label and expander arrow image on separate lines.

#895140 by alexpott, jp.stacey, matason, David_Rothstein: Fixed _system_rebuild_module/theme_data() choose 6.x over 7.x versions.

#931682 follow-up by aspilicious, corbacho: Be more specific about which headings should not be bold in Seven.

#925778 by mradcliffe, chx, sun, manarth: Fixed user edit title incorrectly shows currently logged in user.