Zenworks Linux Management 6.6.1/6.6.2 Updates & Patch Fixes

Are there any updates, patch fixes etc. for Zenworks Linux Management
6.6.1. Currently we are utilizing documentation that refers to version
6.6.2. Is there a 6.6.2 version of Zenworks Linux management and if so
where can it be obtained. Lastly, is version 6.6.2 of Zenworks Linux
management a recommended version for users of 6.6.1 and does 6.6.2 provide
significant updates and fixes over 6.6.1 (i.e. Is it worthwhile updgrading
to 6.6.2 if such a version exists).