The latest version of Steel Bank Common Lisp, 1.1.9, is out and available at the usual place. As always, the system built and tested without problems on my MacBook Pro and iMac.
The big news this month is that SBCL is now using libgmp for bignum support, a change that should increase bignum execution speed. There are also some minor enhancements and optimizations as well as the usual bug fixes. See the NEWS page for the details.