Enunciate 2.0 includes (among other things):

• Support for Java 8
• Native, first-class support for JSON via Jackson annotations.
• A more modular architecture to allow for more agile extension development.
• Significant performance improvements.

See the releases feed to find the current version.

• Getting Started Guide
• User Guide
• Invoking Enunciate
• Migrating from Enunciate 1.x