WordPress 2.2 has just been released and contains and contains a number of new features as well as over 200 bug fixes!
If you are keen to upgrade then you can Download WP 2.2 here.
Some extra bits and pieces include:
- Including Wordpress Widgets functionality in the default core code.
- Full Atom support through updating the feed and xml-rpc publishing interface.
- A new Blogger importer - making it easier to switch blogging platforms.
- Infinite comment stream - using AJAX to make administering comments a little easier.
- Protection from plugins that may break your WP install.
- Plugin enhancements to speed things up a little.
- A WYSIWYG interface for Safari users.
For the developers amongst us, there are the following items of interest:
- A new set of WordPress-specific XML-RPC APIs that allow for editing pages, setting categories, and much more.
- Internal mail functions now use phpMailer, which allows for things like SMTP support.
- Increased the inline documentation of a number of functions inside of WP, which should help you navigate those parts of the code. Hooray!