We have pushed out the release to 10th November 2017: https://cwiki.apache.org/confluence/display/HADOOP/Roadmap
The *final *feature freeze date is now 20th October 2017: - Merge vote is ongoing for API based (Capacity) Scheduler configuration (YARN-5734) and HDFS Router based federation (HDFS-10467 <https://issues.apache.org/jira/browse/HDFS-10467>). Both of them seem on track to pass. - Backport of ATS v2 (YARN-2928) and YARN Web UI v2 (YARN-3368) are in progress and should be done given the extension. There are 21 outstanding blockers to be addressed by 27th October 2017: https://cwiki.apache.org/confluence/display/HADOOP/Hadoop+2.9+Release Andrew is also tracking most of these as they are common for 3.0.0 also. We'll follow up additionally on those specifically targeted for 2.9.0. -Subru/Arun