- Patch #394484 by Berdir and Crell: converted node module to the new database abstraction layer. Yay.

#306316 by beeradb: Rebuild the menu from node_types_rebuild() to assist with programmatic node creation.

- Patch #302054 by dmitrig01: usability improvement - hide machine readable name of node type by default.

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

- 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 #240387 by matt2000 et al: move 'content types' to 'site building' per the UMN usability study results.

#204415 by Lynn, traxer, pwolanin: migrate node type URLs to a path model based on menu paths, so conflicts between action and node type names are not a problem

#181195 by hunmonk and Pasqualle: node type related variables were not properly renamed, when node type names changed

#189409 follow up note by Steven Wittens: administrator entered text should be filtered with filter_xss_admin(), not the less permissive filter_xss()

#189409 by Arancaytar: use filter_xss() to filter content type descriptions, instead of printing them verbatim (on one occassion) and printing them with check_plain() erroneusly on another

- Patch #191073 by Keith: another good string cleanup by Keith.  (Also removed some trailing whitespace.)

#170514 by pwolanin: block and page cache should be cleaned when a menu item is changed (saved, deleted) or the menu router is rebuilt

- Patch #163191 by hswong3i: removed db_num_rows() for compatibility with Oracle and DB2.  Also a performance improvement.

  unanimously agreed to rollback the deletion API.  We all support the
  features this patch added, yet not its actual design and implementation.
  After some talk, we decided that it would be better for Drupal -- in the
  long term -- not to go with a solution that isn't 100%. We also recognize
  that in the short term, this patch would have been useful addition. So
  let's figure out how we can implement this properly in D7.