IntelliJ IDEA 16 EAP 144.2925 is Out
Built-in inspections that detect issues with use of concurrency annotations now support javax.annotation.concurrent.*:
Previously such problems were reported only for net.jcip.annotations.*.
Kotlin plugin has been updated to Beta 4. This brings better incremental compilation performance along with minor changes to the language, libraries, and improved coding assistance. More details can be found in this post from official Kotlin blog.
Develop with Pleasure!