OpenBSD 6.5
As with our complete source tree, our ports tree is available via AnonCVS. So, in order to keep up to date with the -stable branch, you must make the ports/ tree available on a read-write medium and update the tree with a command like:
Note that most ports are available as packages on our mirrors. Updated ports for the 6.5 release will be made available if problems arise.
Source: openbsd.org