BRAINFART

On December 10th, 2008, WordPress Version 2.7, named for American jazz great John Coltrane, was released to the public. For more information on this extensive enhancement and bug-fix release, read the Development Blog and see the Changelog for 2.7.

For Version 2.7, the database version (db_version in wp_options) changed to 9872.

New Features

• XMLRPC Comments API (Ticket 7446)
• Keyboard shortcuts for comment moderation (Ticket 7643)
• Sticky Posts (Ticket 7457)
• Theme update api, like we do for plugins (Ticket 7519)
• Dashboard and write box rearranging (write box in trunk)
• One-click plugin installs (Ticket 6015)
• Reply to comments from admin (Ticket 7435)
• Core updating (Ticket 5560)
• Frame-like method for moderating ping/trackbacks
• Plugin browser embedded (Ticket 6015)
• PHPXref hosted on WordPress.org
• Separate Large and Full image sizes, related improvements (Ticket 7151)
• Comment threading (Ticket 7635)
• Comment paging
• Batch and inline editing (Ticket 6815)
• HTTPOnly cookies
• Column hiding for all management pages
• Post box hiding for all edit pages
• Upgrades and install over SFTP
• Template Tag wp_page_menu wrapper for wp_list_pages and support for Home page (Ticket 7698)

Developer Features

• HTTP API
• Plugin Uninstaller
• Comment API
• Page Menu API
• Inline Documentation
• Administration Manage Section API

User Features

• Plugin Installer
• WordPress Upgrader

Features That Didn’t Make It

These features didn’t make it into 2.7, but there’s hope that they might make it into 2.8.

• Some default shortcodes, maybe the most popular 10 from WordPress.com
• oEmbed support, tied in with shortcodes
• Better UI for post revisions, maybe an optional field to say what changed in a version
• OAuth support
• GeoData for posts, comments, attachments, etc.
• Duplicate post Tags UI for other taxonomies (Ticket 6387)
• Template tags to do everything the custom gallery on ma.tt does
• Codepress code highlighting for template editing
• Menu editor
• Unbalanced tags across more and nextpage tags (Ticket 6297)
• Sitemaps by default
• Refresh of the importers
• Gallery post_type
• Versioning of template edits
• Documentation links for functions used in currently edited template
• MPTT for hierarchies
• Automatic notification of theme updates (Ticket 7519)

Read the full article on the wordpress oficial site: Version 2.7.