Parallel query will probably win for sexiest new feature (<i>rightfully so!</i>) but remote apply is very useful in the real world. It will greatly simplify reading newly written data off replicas: <a href="http:&#x2F;&#x2F;michael.otacoo.com&#x2F;postgresql-2&#x2F;postgres-9-6-feature-highlight-remote-apply&#x2F;" rel="nofollow">http:&#x2F;&#x2F;michael.otacoo.com&#x2F;postgresql-2&#x2F;postgres-9-6-feature-...</a>