WordPress 3.1.1 Please Update now

On April 5, 2011, WordPress 3.1.1 was released to the public. For Version 3.1.1, the database version (db_version in wp_options) changed to 17516. This is a maintenance release with additional security fixes.

Installation/Upgrade Information
To download WordPress 3.1.1, visit http://wordpress.org/download/release-archive/

For step-by-step instructions on installing and upgrading WordPress:

Upgrading WordPress
If you are new to WordPress, we recommend that you begin with the following:

New To WordPress – Where to Start
First Steps With WordPress or Upgrading WordPress Extended
WordPress Lessons