# 4.2.3 2017-12-11 Maintenance release 3 of 4.2 branch * Architecture #10720: Replace legacy package promises in system techniques by call to ncf * Bug #11445: Node properties syntax is not the same for Windows agent * User story #11749: Add logic to generate ncf Technique files into Rudder * User story #11753: Deprecate API v7 and remove API v5 and v6 * User story #11754: Update prerequisite and document windows plugin installation on server and agent * User story #11755: Document windows management usage * User story #11770: Call rudder api once a techniques is saved successfully from ncf api * User story #11771: Add a flag to regenerate all techniques on rudder webapp restart * Architecture #11772: Remove all dsc / metadata logic from ncf * Bug #11797: Impossible to add authorized network for relay * Bug #11833: rudder_reporting is added in metadata.xml if all condition are any * Bug #11850: dsc methods parameters do not have a dash between words like cfengine one who have underscore