- Patch #601548 by Damien Tournoud, moshe weitzman: loosen the dependency between t() and the theming layer.

#600974 by effulgentsia, JohnAlbin, sun, and Damien Tournoud: Allow theme functions to take one argument without any hacks. NOTE: This is an API change in hook_theme().

#538660 by JacobSingh, dww, JoshuaRogers, adrian, Crell, chx, anarcat, and cwgordon7: Add a functioning Plugin Manager to core. Can you say module installation and updates through the UI? I knew you could! :D

- Patch #572618 by effulgentsia, pwolanin, sun: all theme functions should take a single argument. Code clean-up and performance improvement. Woot.

- Patch #456088 by dww, JohnAlbin | Dave Reid, Gábor Hojtsy, pwolanin, tic2000, meba: sub-themes not notified of security updates for base themes.

- Patch #356841 by trogie, Dave Reid | dww: update status 'last checked time' should output actual date of last check.

#162788 by dww, Dave Reid, and JohnAlbin: Add option to include modules that aren't enabled in Update Status.

#326539 by JohnAlbin, sun, cha0s, ultimateboy, Rob Loach, Damien Tournoud: Convert 'class' attribute to use an array, not a string.

#431148 by pwolanin: Make it easier to visually distinguish between security updates and regular updates.

- Patch #302763 by Dave Reid, Rob Loach: replace time() by ['REQUEST_TIME'] as per Rasmus' suggestion.  Removed drupal_referrer() for consistency.

- Patch #245115 by kkaefer, John Morahan, JohnAlbin et al: after a long discussion we've decided to make the concatenation operator consistent with the other operators.

#197186 by dww, testing by catch, webernet, greggles: (critical security functionality) update.module did not inform users when their current release became revoked/not supported

#162788 by dww: allow contrib update_status to provide information on disabled modules and themes too

  Woot, woot! :)