Drupal 7.19 and 6.28 were released this week.
Both 7.19 and 6.28 contain fixes for several high security vulnerabilities, so we highly recommend that you update and do so quickly.
There aren't any new features or non-security-related bug fixes in these versions.
Other Useful 7.19 and 6.28 Links
- How to update your Drupal 7 files.
- How to update your Drupal 6 files.
- Here are details of the security holes found in 7.19 and 6.28.