Support for the Windows Feature Packs has been added and managed in the following Bulletin names found on the Console > Actions > Software > Patch Remediation Center:
An alternative process to deploy these upgrades outside Patch Management is detailed on 178784 and uses Software Management Solution which has more flexibility in deployment.
See the process outlined in KB 150246 to configure the Software Update Policies to deploy the Windows Feature Packs in Patch Management Solution.
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Note: Windows 10 LTSB Builds do not have monthly released Software Updates as outlined in Microsoft's FAQ which it reads: Microsoft never publishes feature updates through Windows Update on devices that run Windows 10 Enterprise LTSB.
An alternative process to deploy these upgrades outside Patch Management is detailed on 178784 and uses Software Management Solution which has more flexibility in deployment.