I think the original ambition was to release it in 9.5 [0], but then it was delayed and rescheduled for 9.6 [1].<p>[0]: <a href="http:&#x2F;&#x2F;rhaas.blogspot.co.uk&#x2F;2015&#x2F;03&#x2F;parallel-sequential-scan-for-postgresql.html" rel="nofollow">http:&#x2F;&#x2F;rhaas.blogspot.co.uk&#x2F;2015&#x2F;03&#x2F;parallel-sequential-scan...</a><p>[1]: <a href="http:&#x2F;&#x2F;rhaas.blogspot.co.uk&#x2F;2015&#x2F;11&#x2F;parallel-sequential-scan-is-committed.html" rel="nofollow">http:&#x2F;&#x2F;rhaas.blogspot.co.uk&#x2F;2015&#x2F;11&#x2F;parallel-sequential-scan...</a>