WordPress 1.2.2 was released December 15, 2004.
The official release can be found here.
List of Files Revised in 1.2.2
wp-admin/admin-functions.php
wp-admin/admin-header.php
wp-admin/auth.php
wp-admin/bookmarklet.php
wp-admin/categories.php
wp-admin/edit-comments.php
wp-admin/edit-form-advanced.php
wp-admin/edit-form.php
wp-admin/edit.php
wp-admin/link-add.php
wp-admin/link-categories.php
wp-admin/link-manager.php
wp-admin/options.php
wp-admin/post.php
wp-admin/templates.php
wp-admin/upgrade-functions.php
wp-admin/upload.php
wp-admin/users.php
wp-blog-header.php
wp-comments-post.php
wp-includes/functions-formatting.php
wp-includes/functions.php
wp-includes/version.php
wp-login.php
wp-settings.php
xmlrpc.php