In https://lists.oasis-open.org/archives/kmip-comment/201708/msg00000.html, Tony Cox, TC Chair reports: 

Subject: No comments received for KMIP v1.4 Usage Guide & Test Cases documents

From: Tony Cox <tony.cox@cryptsoft.com>
To: kmip@lists.oasis-open.org, kmip-comment@lists.oasis-open.org
Date: Tue, 29 Aug 2017 11:04:19 +1000

The public review of Key Management Interoperability Protocol Usage Guide Version 1.4 and the Key Management Interoperability Protocol Test Cases Version 1.4 announced 13 April 2017 in https://lists.oasis-open.org/archives/kmip-comment/201704/msg00000.html is closed. No comments were received.