My blog post How I Created My First FreeBSD Port was mentioned in BSD Now podcast episode 294.
Bug report to Apache Qpid Proton and patch.
NetBSD Problem Report #53673 about failure in building Python 3.7 on Alpine Linux in Docker.
NetBSD Problem Report #52178 which resulted in a patch in revision 1.23.2.1 in pkgsrc-2017Q1 branch.
Pull request 424 to conda-docs.
Bug report to freebsd-ERL-build.
Other contributions through mailing lists such as freebsd-current and freebsd-arm.