Yesterday, the Mambo Foundation announced that they will use CakePHP for the next version of the Mambo Open Source CMS:
[…] After a great deal of research the Mambo team has decided to utilize the CakePHP framework for Mambo 5. […]
Nice, I played with this a while ago before I cooked up my own lighter weight CMS for my clients to use. But to have a CMS that will be a joy to hook into, now that is exciting
(Via cakebaker.)