Print release information for given projects.
drush pm-releases
projects : A list of drupal.org project names. Defaults to 'drupal'
--default-major : Show releases compatible with the specified major version of Drupal.
--source : The base URL which provides project release history in XML. Defaults to http://updates.drupal.org/release-history.
--dev : Work with development releases solely.
View releases for cck and Zen projects for your Drupal version.
drush pm-releases cck zen