Added features:

* Facebook Open Graph implementation
This incorporates using Facebook's updated integration
Allows publishing to facebook
Expands the amount of information you can collect from a user at signon
* Facebook "like" button for forum threads, blog entries and articles in the CMS
* vBulletin Style Generator
* 2 new CMS content types
* 2 new CMS widgets
"Category Navigation for Current Section"
"Recent Content"
* Resizing images as a stylevar (postbit_content_max_image_width) - this will enable you to resize images that are posted as they appear in the end users browser


Highlights of bug fixes included 4.0.4

* A number of RTL bugs,
* A number of Internet Explorer specific bugs
* CMS bugs
* Widget bugs

Please check the Full list of bugs for more details


New templates

* vbcms_widget_categorynavcurrent_config
* vbcms_widget_categorynavcurrent_page


Updated templates
Requires reverts

* album.css
* assetmanager_thumbview
* block_blogentries
* block_cmsarticles
* block_threads
* blog_calendar_sidebar
* blog_cp_manage_subscriptions_entry
* blog_entry
* blog_entry_ignore
* blog_list_entries
* blog_rules
* blog_search_results_result
* blog_sidebar_generic
* blog_sidebar_user
* blog_tag_cloud_box
* calendar_month_day_other
* calendar_showeventsbit
* calendar_weekly_event
* editor.css
* editor_toolbar_on
* facebook_associate
* facebook_disassociate
* facebook_importregister
* footer
* MEMBERINFO
* modifyconnections
* modifyuserlist_confirm
* newpost_html
* newreply
* picture.css
* picturecomment_message_deleted
* picturecomment_message_global_ignored
* picturecomment_message_ignored
* pm_popup_script
* postbit
* postbit.css
* postbit_attachmentmoderated
* postbit_legacy
* register
* Register.css
* replacement-vbulletin-ie.css
* search.css
* search_common
* search_input_searchtypes
* search_results_forum
* search_results_postbit
* showthread
* showthread_quickreply
* Socialgroup.css
* SOCIALGROUPS
* socialgroups_discussionview
* socialgroups_picture
* usercp.css
* USERCP_SHELL
* usercp_newvisitormessagebit
* vbcms.css
* vbcms_searchresult_article
* vbcms_searchresult_blogcomment
* vbcms_searchresult_blogentry
* vbcms_searchresult_post
* vbcms_searchresult_socialgroup
* vbcms_searchresult_socialgroupmessage
* vbcms_searchresult_staticpage
* vbcms_searchresult_thread
* vbcms_widget_categorynav_page
* vbcms_widget_categorynavall_page
* vbcms_widget_categorynavbu_page
* vbcms_widget_recentblog_config
* vbcms_widget_recentblogcomments_config
* vbcms_widget_recentcontent_page
* vbcms_widget_sectionnavext_page
* vbulletin-chrome.css
* vbulletin-formcontrols.css


No reverts required

* All Templates with CSS - templates that contain:
* assetmanager
* assetmanager.css
* blog.css
* blog_blog_row
* blog_cp_manage_custompage
* blog_cp_manage_custompage_bit
* blog_cp_manage_usercss
* blog_cp_modify_profile
* blog_member_block
* blog_member_css
* calendar_edit
* calendar_monthly
* editor_upload_overlay
* editor_video_overlay
* FORUMDISPLAY
* forumdisplay.css
* forumhome.css
* forumhome_lastpostby
* headinclude
* lightbox.css
* member.css
* memberinfo_block_aboutme
* memberinfo_block_contactinfo
* memberinfo_block_friends_mini
* memberinfo_block_groups
* memberinfo_block_visitormessaging
* memberinfo_deletemessages
* memberlist.css
* moderation_deleteattachments
* modifybuddylist
* modifysignature
* navbar
* page
* pm_filter
* pm_messagelist
* pm_quickreply
* poll.css
* popup.css
* popupmenu.css
* postbit_quickedit
* postlist.css
* printthread
* printthread.css
* private.css
* search_results_socialgroup
* search_results_socialgroup_discussion
* search_results_visitormessage
* search_threadbit
* Showgroup.css
* showthread.css
* socialgroups_grouplist_bit
* socialgroups_overview
* socialgroups_picture_editbit
* socialgroups_subscribe_group
* socialgroups-overview.css
* tag_cloud_page
* tag_edit
* threadadmin_easyspam_confirm
* threadadmin_easyspam_infraction
* threadadmin_imod_menu_thread
* threadadmin_mergethreads
* threadadmin_movethread
* threadadmin_movethreads
* threadbit
* threadbit_announcement
* USERCP
* userinfraction
* vbcms_article_editor
* vbcms_content_article_inline
* vbcms_content_article_page
* vbcms_content_article_preview
* vbcms_content_phpeval_inline
* vbcms_content_staticpage_inline
* vbcms_edit_categorybit
* vbcms_edit_publisher
* vbcms_editor_toolbar_on
* vbcms_page
* vbcms_postbit_legacy
* vbcms_searchresult_article_general
* vbcms_toolbar
* vbcms_toolbar_original
* vbcms_widget_calendar_config
* vbcms_widget_calendar_page
* vbcms_widget_categorycurrent_page
* vbcms_widget_categorynav_config
* vbcms_widget_categorynavall_config
* vbcms_widget_execphp_page
* vbcms_widget_myfriends_config
* vbcms_widget_newarticles_page
* vbcms_widget_poll_config
* vbcms_widget_poll_page
* vbcms_widget_recent_config
* vbcms_widget_recentarticle_config
* vbcms_widget_recentarticle_page
* vbcms_widget_recentblog_page
* vbcms_widget_recentblogcomments_page
* vbcms_widget_recentblogposts_page
* vbcms_widget_recentcmscomments_config
* vbcms_widget_recentcmscomments_page
* vbcms_widget_recentcontent_config
* vbcms_widget_recentforumposts_page
* vbcms_widget_recentposts_config
* vbcms_widget_recentposts_page
* vbcms_widget_recentthreads_config
* vbcms_widget_recentthreads_page
* vbcms_widget_rss_config
* vbcms_widget_rss_page
* vbcms_widget_searchwidget_config
* vbcms_widget_sectionnav_config
* vbcms_widget_sectionnavext_config
* vbcms_widget_static_config
* vbcms_widget_static_page
* vbulletin.css
* whoisonline_bit
* WHOSONLINE
* whosonline.css
* whosonlinebit
* yuiupload.css

Please note: There are 2 bugs that are inherent in the vB template that were discovered very late in the release cycle for 4.0.4, to ensure that we have our latest technical updates for you, we made a collective decision to hold off further development of these bugs, and aim to incorporate them in the next release of vbulletin:
http://tracker.vbulletin.com/browse/VBIV-7415
http://tracker.vbulletin.com/browse/VBIV-7399