IntelliJ IDEA 14 comes with a built-in decompiler for Java classes. When you want to take a look inside a library that you don't have the source code for, now you can – without any third-party plugins.

The improved debugger shows variable values in the editor right next to their usages; offers a new Show Referring Objects action; and supports lambda expressions in the Evaluate expression dialog.

Inspections have been extended to provide a new key code analysis feature that infers @NotNull, @Nullable and @Contract annotations for your Java libraries automatically, based on their bytecode.

The new editor offers smarter Backspace key behavior, code style detection, Scratch files, improved Multiple selections, a 'Copy as HTML/RTF' action and lots of other helpful enhancements.

IntelliJ IDEA 14 updates its coding assistance for supported frameworks according to their latest versions; and also brings support for Thymeleaf, PhoneGap/Cordova/Ionic and a few other new frameworks.

Meet better integration with Maven and Gradle, improved support for Git and Mercurial, the updated Scala plugin, the features from Android Studio, new tools for Database, and many more.

IntelliJ IDEA 14 is the next big release of the most intelligent Java IDE. It brings changes to every part of your favorite working tool: the UI, editor, and coding assistance across the frameworks..

What's New in IntelliJ IDEA 14?


IntelliJ IDEA 14 comes with a built-in decompiler for Java classes. When you want to take a look inside a library that you don't have the source code for, now you can — without any third-party plugins. More details »

Show Variables in Editor debugger

The Show Variables in Editor is a new debugging option that integrates the Variables view right in the Editor, by showing variable values next to their usages.

Show Referring Objects debugger

The new Debugger action Show Referring Objects lets you see all objects that have references to the selected object.
More details »

Lambda Evaluation debugger

The updated Evaluate Expression and Watches let you evaluate lambda expressions and anonymous classes.

Operator Expressions Evaluation debugger

IntelliJ IDEA 14 can evaluate to operator expressions. Now you can see the value of an operator expression simply by hovering the mouse over it.
More details »


When IntelliJ IDEA 14 starts up, some of the processes now run in the background. This means that your projects open faster and the IDE is more responsive.

Smart Backspace Indent editor

The new Editor option Smart Backspace Indent makes the backspace key behavior way more convenient: Now it doesn't just remove indents and white spaces, but does so according to your code style settings.
More details »

Detecting Code Styles editor

This new option lets IntelliJ IDEA detect certain Code Style settings, such as Use Tab character and Indent size, in the currently edited file on the fly.
More details »

Annotation Inference editor

IntelliJ IDEA now automatically infers the @NotNull, @Nullable and @Contract annotations to better code analysis.
More details »

Multiple Selections editor

Multiple selections introduced in the previous release have been enhanced, with smarter code completion and copy/paste behavior, a default shortcut, and more.

Scratch Files

IntelliJ IDEA 14 introduces a completely new feature called Scratch Files, which helps you experiment and prototype right in the editor, without creating any project files.
More details »

User Interface

The Settings (Preferences) and Project Structure dialogs have been redesigned to become cleaner and more straightforward.
More details »


The updated Scala plugin comes with the Change Signature refactoring, reworked SBT integration, faster performance, brand new project configuration model, and many more. More details »


IntelliJ IDEA 14 adds the enhancements and new features introduced in Android Studio Beta, including support for Android Wear and TV.
More details »

Thymeleaf frameworks

Advanced coding assistance for Thymeleaf: code completion, navigation, finding usages, rename refactoring, 'Create message' quick-fix, and Spring MVC integration.
More details »

GWT frameworks

IntelliJ IDEA 14 streamlines GWT development workflow by providing smooth integration with its new Super Dev Mode; better Source Maps support; and a new option that starts a JavaScript Debugger session automatically.
More details »

Spring Frameworks frameworks

IntelliJ IDEA's support for Spring frameworks has been extended with coding assistance for WebSocket and MongoDB; visual diagrams for Spring Integration; and better performance.

Gradle Build Tools

If you run tests via a Gradle task, the IDE offers you the standard Test Runner instead of the console output.

Now it's also possible to tell the IDE to run your Gradle tasks in Run Configuration before the launch.

Among other improvements IntelliJ IDEA 14 also brings better support for Gradle-based Grails projects.

Maven Build Tools

The existing Maven integration now lets you disable profiles and navigate to their definitions, and also generate MANIFEST.MF for artifacts based on the pom.xml configuration.

Java FX

With the new release you don't need to switch from the IDE to the Scene Builder for editing layouts anymore. The Scene Builder is now built into the Editor.

Application Servers

IntelliJ IDEA 14 updates its support for top open-source and commercial application servers according to their latest versions, including GlassFish 4.1, TomEE 1.7.1, WildFly 9.0.0 and tcServer 3.0.1.

PhoneGap/Cordova/Ionic HTML5

The IDE now enables you to create, run and deploy HTML5 mobile applications that use PhoneGap, Apache Cordova and Ionic frameworks.
More details »

Postfix Code Completion HTML5

The Postfix Code Completion introduced for Java in the previous release is now also available for JavaScript language.
More details »

Log Viewer Version Control

The Log viewer for Git and Mercurial has been improved with faster loading and the Reset Current Branch to Here action. More details »

Mercurial / Git Version Control

IntelliJ IDEA 14 extends the existing Mercurial integration with support for Synchronous Branch Control and Subrepositories support. More details »

The update also comes with a brand new Push dialog for Git and Mercurial. More details »

Database Tools

The built-in set of tools for SQL developers have been improved in many ways:

  • Transposed Mode, Zooming and Image Detection in the Table Editor and Results View
  • Improved Documentation view
  • Auto Increment option in the Create New… dialog
  • Navigate to a Table/Procedure
  • Integrated Windows Authentication support for SQL Server

And Even More

  • The Right Margin can be configured per language in Code Style settings
  • The Scope and File Mask options in Reformat Code action
  • The Copy/Paste as HTML/RTF is built into the Editor
  • The updated Debugger now persists Watches; lets arrange breakpoint into groups; and evaluates finally blocks when dropping a frame.
  • The Rollback action now can revert selected code
  • Support for Groovy 2.3 Traits

Support and Learning

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