So the new version of wordpress is out, and are you upgrading to it? I had told this before about the release in the end of 1st or 2nd week and they have done it.

What’s tyner?
It’s just a name included by Matt after a jazz pianist McCoy Tyner!

Wordpress 2.6 has become a better platform with this update and you should surely upgrade to it from your previous versions.
Track every change you made to a post.
Post from anywhere on the web.

Here are a brief changes that you can see -
Press This!: Post from wherever you are on the web - Like from a youtube page, from flickr photo page etc.
Shift Gears: Turbo-speed your blogging - Gears browser extension by Google for any browser like Opera, firefox etc.
Theme Previews: See it before your audience does - One of those which i was doing through a plugin, now comes integrated with the platform.

Other -

• Word count! Never guess how many words are in your post anymore.
• Image captions, so you can add sweet captions like Political Ticker does under your images.
• 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.
• Customizable default avatars.
• You can now upload media when in full-screen mode.
• 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.
• Select a range of checkboxes with “shift-click.”
• You can toggle between the Flash uploader and the classic one.
• A number of proactive security enhancements, including cookies and database interactions.
• Stronger better faster versions of TinyMCE, jQuery, and jQuery UI.

How do i upgrade to wordpress 2.6?

Here is a complete guide on how to upgrade to new version of wordpress in a well explained manner.
Check wordpress SEO tweaks to make your wordpress blog search engine friendly.

Upgrade now!