Java Enterprise Edition 6

• Web Projects with Java EE 6 and Java EE 6 Web profiles, EJBs in web applications
• EJB 3.1 support, EJB project file wizard also supports Singleton session type
• RESTful web services (JAX-RS 1.1), GlassFish Metro 2.0 web services (JAX-WS 2.2), JAXB 2.2
• Java Persistence JPA 2.0, deployment, debugging and profiling with GlassFish v3 application server

Web Projects with JavaServer Faces 2.0 (Facelets)

• Code completion, error hints, namespace completion, documentation popups, and tag auto-import for Facelets
• Editor support for Facelets libraries, composite components, expression language, including generators for JSF and HTML forms
• Customizable JSF components palette generates JSF forms and JSF data tables from entities
• New File wizard generates customizable CRUD (create/read/update/delete) JSF pages from entities
• Broader usage of annotations instead of deployment descriptors

JavaFX

• Added support for the latest JavaFX SDK 1.2.1
• Improved code completion
• Editor Hints: Fix Imports, Surround With, Implements Abstract Methods, and more
• Improved navigation: Hyperlinks, Go to Type, Find Usages

Kenai.com: Connected Developer

• Full JIRA support (plugin from update center)
• Project dashboard with more member and project details, improved search and navigation, easier project sharing
• Improved instant messenger integration: Online presence, private and group chat with Kenai members, easy to add links to code / files /issues / stack traces to messages
• Improved issue tracker integration

PHP

• Full PHP 5.3 support: namespaces, lambda functions and closures, syntax additions: NOWDOC, ternary conditions, jump labels, __callStatic()
• Symfony Framework support: Symfony projects, Symfony commands, shortcuts, PHP syntax coloring in YAML files
• Create a PHP project from a remote PHP application
• PHPUnit, Code Coverage, FTP/SFTP integration improvements, exclude PHP project folders from scanning/indexing

Maven

• New Project from Maven archetype catalog and improved support for Java EE 6, Groovy, Scala projects
• Customizable dependency exclusion in dependency graph
• Maven CheckStyle plugin
• "Update from Kenai" action for Kenai.com-hosted Maven projects

Ruby

• Support for creating Rails 2.3.2 apps with dispatchers, JRuby 1.3.1, Ruby 1.9 debugging, and RSpec 1.2.7
• Improved rename refactoring, type inference, and navigation
• Specifying arguments for Rails servers
• Run/Debug File with arguments, also for files not part of a project

C and C++

• Profiling: New Microstate Accounting indicator, Thread Map view, Thread Analyzer, Hot Spots view, Memory Leaks view, Sync Problems view
• Faster synchronization during remote development
• Parallelization Adviser
• Support for gdbserver attach and easier attaching to already running processes

Miscellaneous Improvements

• Java Debugger: Mark an object in the variables tree with a name to refer to it in expressions
• Database integration: Code completion in SQL Editor now also for DELETE, DROP, UPDATE statements, and for reserved keywords
• Groovy 1.6.4 & Grails: Improved code completion, including methods introduced via AST Transformations