The document summarizes a conference called the JVM Language Summit that was held in 2008. Over 80 key VM and language designers met for 3 days to discuss the future of their projects related to the Java Virtual Machine (JVM). Presentations were given on various languages and VMs like Java, Clojure, Scala, and the HotSpot VM. Key topics of discussion included invokedynamic, metaobject protocols, language interoperability, and platform design. Attendees found the rapid exchange of ideas and new partnerships formed to be very valuable for advancing innovation on the JVM.