JetBrains has continued to work closely with Typesafe Inc, current stewards of Scala, to improve support for Scala.

One important addition to the IDE is Android Studio, a new development environment built by Google on top of IntelliJ's free IDEA Community Edition in a non-commercial partnership. A full list of new features can be found on the JetBrains website. It has also refined much of the existing functionality, especially Spring support, Gradle integration, and Android development tools. It also provides full support for Java 8, the largest update to the Java platform since Java 5, scheduled for release in March 2014. Sporting a completely revamped user interface, the IDE has updated its support for many development technologies introduced this year including Java EE 7, Glassfish 4, Tomcat 8, and others. IntelliJ IDEA is the only one of the three popular IDE's (Eclipse, IntellJ, NetBeans) that offers a paid version. This release is in keeping with their traditional schedule of one major release per year, following version 12 which was released in December 2012. JetBrains has announced the general release of IntelliJ IDEA version 13.

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