Here is a list of key new features that have been added to the new version of your software
For more information on all these features, take a look at this thread, which contains illustrations and detailed descriptions:
http://www.vbulletin.com/go/36features
* Multi-Quote
* Linked Quotes
* Mark Forums Read With AJAX
* New Buddy / Ignore List Editor
* Options Backup And Restore
* Private Message Preview In Notification Emails
* Auto-Resize Oversized Image Attachments
* 'Reason For Editing' On Quick Edit
* Unique Unsubscribe Link In Emails
* Plugin Manager Sorted By Product
* Save Search Preferences With AJAX
* Infraction System (Warning system)
* Default Sorting Option Per Forum
* Rate Threads With AJAX
* IP Resolution With AJAX
* Improved Proxy Support In Session Handling
* More AJAX Auto-Completion
* Paid Subscription Permissions
* Show Threads Or Posts From Quick Search Popup
* Phrase Types Identified By Field Name Only
* LastPostID Column In User, Thread And Forum Tables
* Extensive Signature Permissions
* Uploadable Signature Image System
* Improved Image Verification (Captcha)
* Enforced Required Profile Fields
* 'Find Updated Phrases' System
* Pop-Up List Of Attachments In A Thread
* Validation Of Admin Options
* Product Dependencies Support
* Paid Subscription Logging And Statistics
* APC Support For Datastore
* Description Field For Scheduled Tasks
* RSS Poster Robot allows import of RSS feeds into forums
* Latest version check and product URL for products
* Receive private messages from Buddies only option
* Show private forum option per forum
* Give reputation using AJAX
* Error prevention in upgrades
* Option to disable scheduled tasks
* Parsed signature storage for performance boost
* CRON tasks, profile fields, subs, holidays now phrased
* Option to sort forums by thread creation time
* Super moderator permissions
* Welcome private message at registration
* WYSIWYG front-end editing for announcements
* Plugin execution order control
* Flexible username validation
* Private message quota warning system
* Private message admin quota override ability
* Plain-text BBcode parser
* Cache of syndication data (external.php) for improved speed
* Email logging for diagnostics
* Improved performance in datastore failure handling
* Instant view of deleted / ignored posts using AJAX
* Centralized area to view posts awaiting moderation / deleted
* Admin help, scheduled tasks, FAQ now include product support
* CCBill support for paid subscriptions
* Attachment permissions per usergroup
* List posts / threads selected for inline moderation
* Full BCC support in private messages
* Podcasting support
* Atomic flood checking
* Image verification (Captcha) for guest posting
* Thumbnail display options - border / dimensions etc.
* Copy posts using inline moderation
* Announcements show when viewing new posts
* New built-in option types
* Resume paused attachment downloads
* Better webserver logging for POST requests
* Automatically remove thread redirects after set time
* Announcement DataManager
* Persistent D.O.B cookie for COPPA
* Improved master / slave database support
* Improved RSS syndication system
For more information on all these features, take a look at this thread, which contains illustrations and detailed descriptions:
http://www.vbulletin.com/go/36features
* Multi-Quote
* Linked Quotes
* Mark Forums Read With AJAX
* New Buddy / Ignore List Editor
* Options Backup And Restore
* Private Message Preview In Notification Emails
* Auto-Resize Oversized Image Attachments
* 'Reason For Editing' On Quick Edit
* Unique Unsubscribe Link In Emails
* Plugin Manager Sorted By Product
* Save Search Preferences With AJAX
* Infraction System (Warning system)
* Default Sorting Option Per Forum
* Rate Threads With AJAX
* IP Resolution With AJAX
* Improved Proxy Support In Session Handling
* More AJAX Auto-Completion
* Paid Subscription Permissions
* Show Threads Or Posts From Quick Search Popup
* Phrase Types Identified By Field Name Only
* LastPostID Column In User, Thread And Forum Tables
* Extensive Signature Permissions
* Uploadable Signature Image System
* Improved Image Verification (Captcha)
* Enforced Required Profile Fields
* 'Find Updated Phrases' System
* Pop-Up List Of Attachments In A Thread
* Validation Of Admin Options
* Product Dependencies Support
* Paid Subscription Logging And Statistics
* APC Support For Datastore
* Description Field For Scheduled Tasks
* RSS Poster Robot allows import of RSS feeds into forums
* Latest version check and product URL for products
* Receive private messages from Buddies only option
* Show private forum option per forum
* Give reputation using AJAX
* Error prevention in upgrades
* Option to disable scheduled tasks
* Parsed signature storage for performance boost
* CRON tasks, profile fields, subs, holidays now phrased
* Option to sort forums by thread creation time
* Super moderator permissions
* Welcome private message at registration
* WYSIWYG front-end editing for announcements
* Plugin execution order control
* Flexible username validation
* Private message quota warning system
* Private message admin quota override ability
* Plain-text BBcode parser
* Cache of syndication data (external.php) for improved speed
* Email logging for diagnostics
* Improved performance in datastore failure handling
* Instant view of deleted / ignored posts using AJAX
* Centralized area to view posts awaiting moderation / deleted
* Admin help, scheduled tasks, FAQ now include product support
* CCBill support for paid subscriptions
* Attachment permissions per usergroup
* List posts / threads selected for inline moderation
* Full BCC support in private messages
* Podcasting support
* Atomic flood checking
* Image verification (Captcha) for guest posting
* Thumbnail display options - border / dimensions etc.
* Copy posts using inline moderation
* Announcements show when viewing new posts
* New built-in option types
* Resume paused attachment downloads
* Better webserver logging for POST requests
* Automatically remove thread redirects after set time
* Announcement DataManager
* Persistent D.O.B cookie for COPPA
* Improved master / slave database support
* Improved RSS syndication system