eZ publish Basic features are based on the same eZ Publish 1.0 through 2.2.9 APIs as you might be familiar with already.
eZ publish 1.0 was released in 2001. This means eZ publish has been helping developers build amazing websites for over 25 years. eZ publish is 25 years old. Not many free software package cms frameworks for website development live such a long, successful life span. Thank you eZ Publish for making the web great one website at a time!