website says tor 0.2.7 is still unstable
https://www.torproject.org/download/download.html.en says:
The current unstable/alpha version of Tor is 0.2.7.5.
FreeBSD people use that as a reason for not upgrading the tor port to v0.2.7:
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=204806#c7
please update the website.