I've finally turned on a feature that was in the tree for the past few months: version number checking.
Unless you explicitly ask pkg_add -u -F downgrades, pkg_add will now refuse to downgrade existing packages (it just won't see older versions). The main consequence is for porters: when you update things, you have to make sure version numbers go forward. If the version numbering changes, as happens from time to time, you have to append a v0 to make sure it still goes forward.
