#201055 by JirkaRybka, scor: avoid duplicates in stats when page caching is turned on or node title is modified

#172993 by drewish, Lynn: remove old user picture even when the newly uploaded one uses a different format

#201479 by chx, ximo: forum module requires taxonomy for uninstall but taxonomy might be disabled at that time, so we need to include it

#186546 by bjaspan: fix missing forum vocabulary when people turned on forum module, but never visited any pages in Drupal 5 and they upgrade to Drupal 6 which does this much better

#201577 by Pasqualle: let the admin theme be configured even if it is disabled (mirror blocks admin behavior)

#201536 by chx: centralizing permission checking code in node revision handling, removing lots of duplicate code

#164510 by yched, KarenS: move node batch operations to node.admin.inc for performance and fix a buggy message

#196535 by sun, chx, dww: check whether Drupal can issue HTTP requests at all, so we know that this is the cause of problems, not the remote host not responding.

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

#197690 by JordanCronin (as GHOP 68): server permissions are now explained very well in a handbook page, link to that

#189879 by keith.smith: filter module help text cleanup, better for translators with more concentrated explanations

#189878 by O Govinda, keith.smith: comment module help updates, removing help on features which are not there, and adding help on Drupal 6's new per content type comment settings

#202425 by keith.smith: standardize reference to block placement page as 'blocks administration page' to avoid any confusion

#192779 follow up by Lynn: only show enabled themes on block admin page *and* the admin theme (which might not be enabled)

#202397 by keith.smith: document profile module drag and drop in help text and add info on how categories come to life / can be edited

#197730 by keith.smith: standardize on a much more user friendly cron reference in help texts, explain its importance with more examples in INSTALL.txt

#100577 by O Govinda, keith.smith, catch: improve contact module help, more links to where settings are located

#183940 by bjaspan, keith.smith: remove broken JS compression, but leave JS aggregation; update help text to that effect

#199874 by gaele, keith.smith and JirkaRybka: better explanation of site email address, slogan and mission based on usability feedback

#201540 by theborg, douggreen, Pancho: some system setting were not validated properly; also added missing required field markers

#103041 by O Govinda, gaele and keith.smith: reworked node help, removing mention of UI elements we don't have, and linking in other features, we do have; also easier on the translators with text broken up into shorter parts

#202169 by keith.smith: system module help updated to latest feature set, links to themes and modules

#199336 by JirkaRybka: remove improper t() use in update code (update goes all in English, but there were some mistakes), and add messages to updates where there was no return value otherwise, so users know what happens in each update

#99947 by neclimdul, Sutharsan, keith.smith: forum module help text and form description update, removing reference to other forum software as well

#193333 follow up by catch: remove reset to alphabetical button shown on forum forms incidentally as a result of the taxonomy drag and drop patch