We were supposed to be winding down jdk9, and there are a lot of changes here, but ... it would be a shame not to have fast specialized implementations for new collection methods added in Java 8. There's also a fix for a serious bug in LinkedBlockingQueue.
http://cr.openjdk.java.net/~martin/webrevs/openjdk9/jsr166-jdk9-integration/ As with wave 12, very collection oriented.
