There are bugs which have not been fixed, maybe they are - who knows. For example on ARM processor it dies in multiprocessing. Next: CCL comes originally from

There are bugs which have not been fixed, maybe they are - who knows. For example on ARM processor it dies in multiprocessing. Next: CCL comes originally from the Mac platform (the original Coral Lisp started on the early Mac, Apple even owned Macintosh Common Lisp for a few years, that code was used to create OpenMCL, aka Clozure CL) and there is still no Apple Silicon port and there is no real progress to get there.