Do a roll on the FreeBSD feature list, basicallly unchanged in 10+ months
for reasons beyond comprehension. Specifically document the following
features now present in mainstream releases:

• Multithreaded SMP architecture and support for preemption.
• M:N threading out of the box.
• File system snapshots and background fsck.
• Netgraph pluggable network stack framework.
• TrustedBSD MAC Framework.
• GEOM.

This page could use more work in other ways also...