*Added Search term logging to the Wiki module
*Added sanitization to logged search terms to assist developers directly accessing this data
*Added new Extension Hooks:  member_register_validate_members and cp_members_validate_members
*Modified caches to be cleared (including Relationship caches) when editing or deleting custom fields.
*Modified Relationship caches to be cleared when editing multiple entries that would be impacted by the edit.
*Improved handling of HTML emails, increasing compatibility with a variety of email clients
*Fixed a bug when reinstalling the Search module from the Modules tab in the Control Panel
*Fixed a bug where old entries using a different URL Title separator than the current one were modified when edited to use the new separator
*Fixed a bug in conditionals when the variable was contained in a quoted string in the template.
*Fixed a bug where SuperAdmins could not edit guest-submitted Gallery comments.
*Fixed a bug preventing the Stand Alone Entry Form from being able to disable comments and trackbacks for an entry.
*Fixed a bug in the Member Import utility that was encoding password fields already specified as md5 or sha1
*Fixed a bug in the Member Import utility causing unique_id’s to be repeated
*Fixed a bug in Private Messages system where SuperAdmins were not shown to have unlimited storage capacity.
*Fixed a bug in the installer that would initially encrypt the primary SuperAdmin’s account with the wrong hash type.
*Fixed a bug where the Template Debugging log would have negative times in PHP 4
*Fixed a bug in the Blogger API where the title was not parsed correctly when editing an entry
*Fixed a bug (#1675) in the Comment module causing an error to be displayed with Trackbacks
*Fixed a Javascript bug in the Admin area of the Control Panel that was causing navigation problems in Opera
*Fixed a bug in the File Upload Utility where Drop-down List, Relationship, and Date custom fields appeared in the list of fields to place the markup for an uploaded file.
*Fixed a bug involving the Resend Activation Email option for Pending members when pagination is used in the View Members area of the control panel.
*Forced the setting of an array variable type in the form_open() method in the Display class