SBCL 1.0.13 has been released.

Sources are in CVS and on the SourceForge File Releases page, ho ho
ho.

>From the NEWS file in the distribution:
changes in sbcl-1.0.13 relative to sbcl-1.0.12:
  * minor incompatible change: RUN-PROGRAM now uses execvp(3) to find
    an executable in the search path, and does so in the child
    process's PATH.  The function FIND-EXECUTABLE-IN-SEARCH-PATH has
    been removed; it can be found in the CVS history, for somebody who
    needs that search behavior (see the manual).
  * minor incompatible change: compiler policy re. weakening type
    checks has changed: now type checks are weakened on if SAFETY < 2
    and SAFETY < SPEED.
  * SB-EXT:NATIVE-NAMESTRING takes a new keyword AS-FILE, forcing
    unparsing of directory pathnames as files. Analogously,
    SB-EXT:PARSE-NATIVE-NAMESTRING takes an AS-DIRECTORY, forcing a
    filename to parse into a directory pathname.
  * enhancement: implicit generic function creation now signals a
    specific style-warning IMPLICIT-GENERIC-FUNCTION-WARNING, which
    users can bind handlers for and muffle around calls to LOAD.
  * enhancement: RUN-PROGRAM allows unicode arguments and environments
    to be used (using the default stream external format), and allows
    non-simple strings to be used. (thanks to Harald Hanche-Olsen)
  * optimization: COPY-SEQ, FILL, and SUBSEQ are 30-80% faster for
    strings and vectors whose element-type or simplicity is not fully
    known at compile-time.
  * optimization: STRING-TRIM and related functions no longer allocate
    a new string when no trimming needs to be performed. These functions
    are also faster than before when the input string has been declared
    as a simple-string.