This is a minor version bump so there was no extensive changes to the port itself. I tested it against lua53 on FreeBSD 11.1 with no issues. I have not tested with 5.1 or other variants.
uname -a
FreeBSD g1.highfell.home 11.1-RELEASE-p11 FreeBSD 11.1-RELEASE-p11 #0: Thu Jun 21 03:46:08 UTC 2018 root@amd64-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC amd64