The What's New for FreeBSD 10 wiki page[1] linked in the reply has more details (though it doesn't necessarily indicate what will make the cut). The interesting bits to me are the merging of VPS support[2] which, last I read was a patchset against the 7 or 8 kernel. The seamless migration of virtualized envs seemed like a pipe dream at the time, I can't wait to play around with it (if it makes the cut).

Not to mention virtio support and bhyve[3] (in addition to the old jail subsystem). If everything makes it in, there will be so many different options for service isolation!

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[1] https://wiki.freebsd.org/WhatsNew/FreeBSD10

[2] http://7he.at/freebsd/vps/

[3] https://wiki.freebsd.org/action/show/bhyve?action=show&redir...