Changes to Creates or updates the pending operational dataset

added the non-success response with the status 409

added the non-success response with the status 504

added the new optional header request parameter If-None-Match

added the non-success response with the status 412

removed the request property PendingTimestamp

added the new optional request property pendingTimestamp

removed the success response with the status 204

added the success response with the status 200

removed the success response with the status 200

removed the request property ActiveDataset

removed the request property Delay

removed the request property PendingTimestamp/Authoritative

removed the request property PendingTimestamp/Seconds

removed the request property PendingTimestamp/Ticks

added the new optional request property PendingTimestamp/authoritative

added the new optional request property PendingTimestamp/seconds

added the new optional request property PendingTimestamp/ticks

added the new optional request property activeDataset

added the new optional request property delay

added the non-success response with the status 500

added the success response with the status 204

removed the request property activeDataset

removed the request property delay

removed the request property pendingTimestamp

added the new optional request property ActiveDataset

added the new optional request property Delay

added the new optional request property PendingTimestamp

removed the non-success response with the status 500