The last changes in PedroM:

Date:   Sat Apr 25 18:41:59 2009 +0200
    Update patch for new versions of GMP / MPFR / MAYLIB.
Date:   Thu Dec 4 22:22:08 2008 +0100
    Apply patch by Christopher Williams for unsigned long division.
Date:   Sun Oct 12 11:06:29 2008 +0200
    Add menu builtin command.
Date:   Sun Oct 12 10:29:37 2008 +0200
    Add multiple argument support for echo builtin command.
Date:   Sun Sep 7 11:15:29 2008 +0200
    Clean up code.
Date:   Wed Jul 23 13:59:33 2008 +0200
    Add patch by Lionel Debroux about the support of the time in the TIB.
Date:   Mon Jul 7 20:56:45 2008 +0200
    Add selectionnable font in the shell.
    Fix bug in printf when mixing fonts.
Date:   Mon Jul 7 20:07:53 2008 +0200
    Add internal function getenv_si
    Use it for APD (clean up code).

So there aren't really many changes since alpha 1 (except the libraries).