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** Work in Progress **

CMUCL 21d

The CMUCL project is pleased to announce the release of CMUCL 21c. This is a major release which contains numerous enhancements and bug fixes from the 21a release.

CMUCL is a free, high performance implementation of the Common Lisp programming language which runs on most major Unix platforms. It mainly conforms to the ANSI Common Lisp standard. CMUCL provides a sophisticated native code compiler; a powerful foreign function interface; an implementation of CLOS, the Common Lisp Object System, which includes multi-methods and a meta-object protocol; a source-level debugger and code profiler; and an Emacs-like editor implemented in Common Lisp. CMUCL is maintained by a team of volunteers collaborating over the Internet, and is mostly in the public domain.

New in this release:

  • Known issues:
  • Feature enhancements
    • Update to ASDF 3.3.1, fixing issues introduced in 3.3.0
  • Changes
  • ANSI compliance fixes:
  • Bug fixes:
  • Gitlab tickets:
  • Other changes:
  • Improvements to the PCL implementation of CLOS:
  • Changes to building procedure:

This release is not binary compatible with code compiled using CMUCL 21c; you will need to recompile FASL files.

See http://www.cmucl.org or https://gitlab.common-lisp.net/cmucl/cmucl for more information, See https://gitlab.common-lisp.net/cmucl/cmucl/wikis/GettingCmucl for obtaining CMUCL, including sources and binaries..

We hope you enjoy using this release of CMUCL!