My favourite IDE is even better than before. The new release (version 15) is available from 2nd of November 2015.
IntelliJ IDEA 15
The most important features are described on IntelliJ IDEA blog and presented in this video.
With this new release JetBrains introduced Beta 1.0 version of their programming language: Kotlin
It is production ready and IntelliJ IDEA 15 supports Kotlin out of the box.
Check this out and happy coding!