So gesagt in http://mail.openjdk.java.net/pipermail/jdk9-dev/2016-October/005092.html:
2016/05/26 Feature Complete 2016/12/22 Feature Extension Complete 2017/01/05 Rampdown Start 2017/02/09 All Tests Run 2017/02/16 Zero Bug Bounce 2017/03/16 Rampdown Phase 2 2017/07/06 Final Release Candidate 2017/07/27 General Availability
Naja, schauen wir mal.