Release Notes: New directives: #evaluate, #define, and #break Vararg method support. List methods can be called on arrays. Major performance enhancements (both memory and speed). A new strict reference mode. Many other changes.
Release Notes: Improved syntax with new capability for decimal numbers, literal map definitions, multi-line statements, and support for automatic escaping of HTML and other special entities. New capabilities to aid integration with other applications and Web frameworks, including enhanced error reporting, a new logging subsystem, and a switch to unchecked instead of checked exceptions.
Release Notes: Support was added for map literals, decimal literals, and multi-line string literals and directives. New event handlers and uberspects were added. Many bugs were fixed.