JEP 191: Foreign Function Interface
. If everything goes well, this is going to have major impact to Java gaming.
For those interested in LWJGL development, 3.0 has been designed to be forward compatible with having such functionality present in the JVM. I've also given feedback to the JEP's author (Charles Nutter, of JRuby fame) regarding LWJGL-specific requirements. Together with an official Unsafe that's also considered for Java 9, this could be the best thing that happened to Java gaming since NIO in JDK 1.4.