In this talk, I will demonstrate some of the most awesome features available in the Puppet 4 language. Although Puppet 4 has been out for almost a year (released in April 2015), not many people know about the advanced features it contains. I'll show * the type system * data in modules * advanced error reporting * resource defaults

and a short grab bag of fixes and interesting changes.

No prior knowledge of Puppet is required, and all of the topic material is FOSS software.