IntelliJ IDEA 8 Release Highlights
Languages & Frameworks
SQL-92, MySQL, SQLite with coding assistance and Console to run SQL scripts from the IDE
Template languages: FreeMarker, Velocity
XPath/XSLT, including XPath expression evaluation
Groovy/Grails with advanced editing, new refactorings and Gant
JBoss Seam
Struts 2
Spring 2.5
Spring Webflow
Spring MVC
Spring Dynamic Modules
GWT 1.5
RESTful WebServices
Features & Improvements
7 New Java Refactorings
Dataflow to This — see where an arbitrary parameter value comes from
Create new test for class intention and navigation between classes/tests
UML class diagrams with navigation to the source code and refactorings
Thread dump analyzer
Automatic namespace import for HTML/XML/JSP
JavaScript debugger
Flex debugger
Advanced Flex code editor for MXML and ActionScript files, with Flash 10 generics
Maven: create new module from archetype, Repository Browser, pom.xml validation and editing assistance
Subversion 1.5 merge tracking support
Performance and Usability
Reworked engine which ensures significantly faster startup and smoother overall operation
Completely new Configure Plugins wizard that lets you flexibly manage features you need