SBCL 1.0.12 has been released

Steel Bank Common Lisp 1.0.12 has been released on 26 November 2007.
This version adds thread-safe hash tables, improves optimization of
list subsequenses and string concatenations, and fixes many bugs.

SBCL is a native compiling Common Lisp implementation, under
MIT/Public Domain licence.  It purports to conform to the ANSI Common
Lisp standard, and features several non-standard extensions.

SBCL runs under Linux, MacOS X (Darwin on PowerPC and x86), xBSD, Windows,
and Tru64 on x86/x86-64, Alpha, AMD64, MIPS, PPC and SPARC CPUs.

SBCL
http://sbcl.sourceforge.net

Version 1.0.12 changes
http://sbcl.sourceforge.net/news.html#1.0.12