WordPress 2.7.1, the first 2.7 maintenance release, is now available. 2.7.1 fixes 68 tickets.
If you already have WordPress 2.7 or 2.7.1 RC1 installed, you’ll receive an update notification that will allow you to upgrade WordPress from within WP-Admin itself.
You can automatically upgrade from 2.7 to 2.7.1 via the Tools > Upgrade menu. [...]

The Wordpress team has published a version of Wordpress, Wordpress 2.7.
The first thing that users will notice is the new administration interface which was completely redone to optimize processes.
The development team claims that nearly every task in Wordpress 2.7 will take fewer clicks than it took in previous versions of the blogging platform.
Unlike previous versions [...]

A new version of Wordpress has been released, Wordpress 2.6.1.
Over 60 fixes have been introduced in the new Wordpress version, several of them critical and some security related. Please check them all by following the link to Wordpress Trac.
This release does not require a mandatory update, so you can continue using WordPress 2.6 if you [...]

WordPress 2.6 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 there are dozens of incremental improvements to the features introduced in version 2.5.
There are several new features in WordPress [...]

Version 2.5.1 of WordPress is now available. It includes a number of bug fixes, performance enhancements, and one very important security fix. We recommend everyone update immediately, particularly if your blog has open registration. The vulnerability is not public but it will be shortly.
Here are some WordPress 2.5.1 highlights:

Performance improvements for the Dashboard, Write Post, [...]

Here is a simple guide how to change the default size of the thumbnails that WordPress 2.5 creates when you upload an image.
Unlike all previous version, Wordpress 2.5 has a very handy new feature. It lets you specify custom thumbnail size for your uploaded images.
To adjust the thumbnail size to your liking, go to Settings [...]

WordPress 2.5 has been released and includes a huge number of changes over the WordPress 2.3 series. The new version is considered to be a major step forward, lots of elements have changed in the interface for example.
Some of the major features in this release include:

faster loading
cleaner interface
integrated gallery and media management
built-in gravatar support
plugin one-click [...]