Mosquitto 1.6.7 has been released, this is a bugfix release.
Created attachment 208469 [details]
mosquitto 1.6.7 update
I have attached a patch which upgrades the ports tree to contain version 1.6.7.
A commit references this bug:
Date: Sat Nov 2 13:57:54 UTC 2019
New revision: 516324
net/mosquitto: new version 1.6.7
Submitted by: ev <firstname.lastname@example.org>
Approved by: email@example.com (maintainer)