The update from 1.5.9 to 1.5.14 brings many bug fixes, enhancements and some new features[1].
[1] https://github.com/fabiolb/fabio/releases/
The ports adds a script under etc/rc.d/fabio and moves the sample file.
Submitted by Gian-Simon Purkert <gspurki@gmail.com> in PR 249219.
Maintainer timeout, after not responding more than 6 weeks after the submit.
Tested on Poudriere (amd64, i386). 'portlint -AC' is ok.