Latest information on Allegro Common Lisp 9.0
Information that was not available at the time Allegro Common Lisp 9.0 was released is available on this page.
- Mac OS X 10.8 (aka Mountain Lion), during an upgrade from a previous version of the operating system, removes X11 if it was present at the time of the upgrade. For most users, this will be detected once you run the IDE, and you will be directed to download and install XQuartz. For more information see our installation guide.
- The documentation for excl:defvar-nonbindable has been corrected.