#304330 by ximo, alpritt, Amitaibu, edmund.kwok, Xano, ff1, BrightLoudNoise, et al: Dramatically improved text format widget. USABILITY AWESOMENESS.

- Patch #244904 by edkwh, keith.smith: renamed 'input format' to 'text format' based on UMN usability study.

- Patch #212236 by wrwrwr: automatic line breaking sometimes results in an unpaired end of paragraph tag.

- Patch #335086 by recidive: rename node, filter and comment module tables to singular for consistency.  Oh my.

#313213 by maartenvg, Gábor Hojtsy: Add a 'title' attribute for permissions to allow for localization of permission names

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

- Patch #64967 by Arancaytar, meba: ereg -> preg for performance reasons and future compatilbility.  PHP6 is rumoured to drop ereg support.

#197425 by lilou, Nick Lewis, mooffie, and friends: Add <blockquote> to list of default allowed HTML tags.

- Patch #225450 by Crell, chx, bjaspan, catch, swentel, recidive et al: next generation database layer for Drupal 7.

- Patch #252013 by Eaton, pwolanin, Susurrus et al: drupal_render() now printes #markup, not #value.

  et al.  Can you say 'registry'?  Drupal now maintains an internal registry of
  all functions or classes in the system, allowing it to lazy-load code files as
  needed (reducing the amount of code that must be parsed on each request). The
  list of included files is cached per menu callback for subsequent loading by
  the menu router. This way, a given page request will have all the code it needs
  but little else, minimizing time spent parsing unneeded code.

- Patch #240988 by David_Rothstein: fixed left-over documentation after the HTML escaping became a filter of its own.

- 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.

- Patch #30984 by webchick, keith.smith, kkaefer, Crell et al: provide descriptions for permissions on the permission administration page.

- Patch #222183 by Gabor and Keith: make the input formats reorderable as a first step towards better input format handling, and ultimately, good WYSIWYIG support.