writes "Excellent! FreeBSD 4.9 has been released, and if it's anything like the RC series, this will be a release to remember. You can obtain it from the usual sources, or if you're feeling generous and supportive, you can buy the cd set. Support your local Daemon!"
As Jani Laaksonen writes, the new release includes "numerous security advisory fixes, kernel changes and support for the Physical Address Extensions (PAE) capability on Intel Pentium Pro and higher processors (see page(4)). This release also adds support for a few more hardware NIC cards, ipfw network protocol enhancements, userland changes, and more. Check FreeBSD 4.9 Release Notes for more information."