Following the proposed 4-month delay of Java 9’s release date going unopposed, the new schedule has been proposed on the Java newsgroup. The schedule information is also available on the JDK 9 project page.
Here are the proposed dates for the interim milestones:
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
The new schedule has a window until October 26th to raise concerns.