SBCL 1.0.11 has been released

Steel Bank Common Lisp 1.0.11 has been released on 25 October 2007.
This version adds a semaphore interface, improves stack allocation of
lists, removes locking from hash table accessors, and fixes some bugs.

improves environment access, speeds up CLOS slot accesses,
and fixes some 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 1.0.11 changes
http://sbcl.sourceforge.net/news.html#1.0.11