But there is need for an update of the Common Lisp standard. There are lots of improvements needed without creating a new language. There are different implementations for various extensions and one needs to standardize them, instead of providing a portable wrapper library. Stuff like Unicode strings/characters/files/streams really needs to be defined on a language level.

Typical things to fix:

  * basic threading
  * Unicode characters and strings
  * less undefined behavior
  * environments
  * extensible loops
  * CLOS conditions and streams
  * extensible sequences
  * security (fixing reader eval, ...)
  

and more...

http://www.cliki.net/Proposed%20ANSI%20Revisions%20and%20Cla...

http://www.cliki.net/Proposed%20Extensions%20To%20ANSI