On Wednesday, February 21, 2007, WordPress version 2.1.1 was released to the public. For information on the changes and improvements in this new version, see Changelog for 2.1.1. Version 2.1.1 bumbed the database version (db_version in wp_option) from 4772 to 4773.
To download WordPress 2.1.1, visit http://wordpress.org/download/release-archive/
For step-by-step instructions on installing and upgrading WordPress:
If you are new to WordPress, we recommend that you begin with the following:
Version 2.1.1 is a bug fix.
xmlrpc.php wp-admin/admin-ajax.php wp-admin/admin-functions.php wp-admin/custom-header.php wp-admin/edit.php wp-admin/index-extra.php wp-admin/options-general.php wp-admin/options-reading.php wp-includes/bookmark-template.php wp-includes/cache.php wp-includes/capabilities.php wp-includes/category.php wp-includes/cron.php wp-includes/formatting.php wp-includes/functions.php wp-includes/post-template.php wp-includes/post.php wp-includes/version.php wp-includes/js/scriptaculous/wp-scriptaculous.js (new file) wp-includes/js/tinymce/tiny_mce_config.php wp-includes/js/tinymce/tiny_mce_gzip.php wp-includes/js/tinymce/wp-mce-help.php