#220592 by dww and pwolanin: Always use the database for caching in update module, so that drupal.org project data persists. Improves both local and drupal.org site performance.

#343415 by Damien Tournoud: the form cache is not automatically cleared on submit if the page cache is activated

#445600 by Rob Loach: allow for as few as 1 required word in submission of a node of a content type if the admin wants to set so

#227228 by ilmaestro, gpk, ball.in.th, catch, andypost: use per-table cache_flush variables to avoid not flushing all but the first table when multiple tables are cleared

#282852 by Arancaytar, will_in_wi: remove negative margin on .node in Garland, so nodes do no overlap the messages area on the page

#317775 by Starminder, pwolanin: do not store the menu router table serialized in cache, since it cases more performance problems then it solves

#363262 follow up by Dave Reid: fix phpdoc comments on update functions to properly mark update functions added after 6.0 was released

#401304 by Darren Oh: make conditional in statistics_link() more explicit to catch node related invocations

#160226 by kymmx, karschsp, Dave Reid, Berdir: statistics module was matching on prefixes of node paths instead of the node paths themselves (and possible subtabs)

#330084 by c960657: Remove unnecessary duplication of the From header value in Reply-to; standards indicate setting the From header should be sufficient

#382096 by Arancaytar: clean up #maxlength use in the installer; remove arbitrary 45 character limits, put reasonable limits in place where it makes sense

#279233 by Aren Cambre, jbomb: Message printed when email is not being possible to send was informal and had a grammar problem.

#365996 by sammys: the correct full name for the timestamp field in postgresql is timestamp without time zone; improve compatibility with PostgreSQL / schema module

#297972 by wilson98, scor, Steven Jones, yched, heyrocker: make the batch API compatible with drupal_execute(), so things like creating a CCK type or adding fields to it (by submitting forms programatically) are possible in update functions

#325810 by darren.ferguson, miglius: in tableheader.js $('td'+ location.hash).offset() does not alway return an object, which breaks all JavaScript on the page, so check for the return value before using it.

#292565 by lyricnz, Damien Tournoud, Jody Lynn, kleinmp, John Morahan, akalsey: Make forms work on 404 and 403 pages. Remove any fake destination set by drupal_not_found() or drupal_access_denied() so that we can properly redirect from those pages.

#290561 by mustafau, AlexisWilke: aggregator_save_category() should ask for the last insert ID in 'aggregator_category', not 'aggregator' when saving.

#408962 by brianV: improve phpdoc documentation for menu_tree_collect_node_links() and menu_tree_check_access().

#141965 by jeffschuler: taxonomy_term_path() and its phpdoc block was separated by one blank line, thus disconnecting it for the API docs parser

#357031 by hinfox, dereine, aaronbauman: trigger_nodeapi() passed a4 twice and did not pass a3 to the action when the action type was other then node

#395086 by Freso: call trim() before truncate_utf8() in comment module for better quality truncation.

#372914 by chx, pwolanin, webchick: Menu link title localization was broken when a non-t callback was used

#197864 by vito_swat, alpritt, Murz, catch: Use hook_term_path() in forum module instead of hook_link_alter(); simplfies code, improves performance and compatibility.

#376408 follow up by pwolanin: search_nodeapi() lacked break in switch; resulted in issue in logic not code flow