6.1.0 was released by upstream on Jan 28, 2016. Release text: "We are happy to announce the release of our latest major release, v6.1.0! This is primarily a bug fix release over v6.0.0, but adds a few interesting features.." link: http://trafficserver.apache.org/downloads#6.1.0 It also looks, based on release notes for 6.0.0, that http/2 is now considered stable. Not sure if the spdy OPTIONS_DEFINE is still relevant or not.
A commit references this bug: Author: vanilla Date: Wed Apr 20 07:50:51 UTC 2016 New revision: 413675 URL: https://svnweb.freebsd.org/changeset/ports/413675 Log: Upgrade to 6.1.1. PR: 206991 Submitted by: elij+freebsd@wundrd.net Approved by: maintainer timeout (2 months) Changes: head/www/trafficserver/Makefile head/www/trafficserver/distinfo head/www/trafficserver/pkg-plist