vBulletin 3.7.0 contains a plethora of new features, many of which have been long requested by users and customers, while other new features will come as a surprise to everyone. 3.7.0 is slated to be the final major release of the vBulletin 3.x series before all forum development efforts are switched over to vBulletin 4.x, after which 3.x will receive only bug fix releases.

What’s New

• Inline Spam Management and Prevention Tools
• Thread Tagging
• Thread Prefixes
• Reciprocal Friendships Between Users
• Public Messaging
• User Picture Galleries
• User-Created Social Groups
• Member Customization of Profile Page
• Inline Editing of Profile Field Values
• Attachment Viewing Lightbox
• Post Edit History
• Inline Moderation Enhanced Authentication
• Navbar Notices
• New Human Verification Systems
• Social Bookmarking of Threads

There are plenty more new features in vBulletin 3.7.

Here is a brief list of some of the other ones :

• Visitor tracking on profile pages
• Automatic resizing of attached images to match filesize or pixel dimensions
• Enhancements to custom bbcode system
• Custom icons per forum
• Advertisement locations defined in templates
• Add multiple moderators in one go through ACP
• ATOM support for RSS Poster Robot
• Hooks to allow attachments to be passed through a virus scanner
• Posts by users in ‘Tachy Goes to Coventry’ will no longer count towards the total number of posts in a thread or forum. They are now truly hidden!
• All AJAX systems now employ the Yahoo! User Interface Library (YUI) for a more consistent and predictable system
• YUI files can now be switched from locally hosted to remotely hosted by Yahoo! with a single option change, saving you bandwidth

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For the complete list along with screenshots, visit the official vBulletin 3.7 - First Look thread at Vbulletin Forums