• Word count: To get the number of words in th post.
• Image captions.
• Bulk management of plugins.
• A completely revamped image control to allow for easier inserting, floating, and resizing. It’s now fully integrated with the WYSIWYG.
• Drag-and-drop reordering of Galleries.
• Plugin update notification bubble.
• Remote publishing via XML-RPC and APP is now secure (off) by default, but you can turn it on easily through the options screen.
• Full SSL support in the core, and the ability to force SSL for security.
• You can now have many thousands of pages or categories with no interface issues.
• Ability to move your wp-config file and wp-content directories to a custom location, for “clean” SVN checkouts.
• A number of proactive security enhancements, including cookies and database interactions.
• Stronger better faster versions of TinyMCE, jQuery, and jQuery UI.

You can find more details in wordpress.org.

I’m happy to announce that version 2.6 of WordPress.org is now available, almost a month ahead schedule. Version 2.6 “Tyner,” named for jazz pianist McCoy Tyner, contains a number of new features that make WordPress a more powerful CMS: you can now track changes to every post and page and easily post from wherever you are on the web, plus dozens more…
www.wordpress.org