Reference

breaksw(1) on FreeBSD

The text 3e787de78fd1, as FreeBSD 14.3-RELEASE, FreeBSD 14.2-RELEASE, FreeBSD 14.1-RELEASE, FreeBSD 14.0-RELEASE, FreeBSD 13.5-RELEASE, FreeBSD 13.4-RELEASE, FreeBSD 13.3-RELEASE shipped it.

shell built-in commands

breaksw(1) on FreeBSD now