Two years ago John Rose stood here at JVMLS and unveiled the Project Leyden prototype efforts the team had been developing. Since then, Leyden has delivered JEPs in both JDK 24 and JDK 25. These early building blocks provide a foundation to continue assembling new AOT features. And speaking of assembly, let’s deep dive into how and when the AOTCache gets created. We’ll also touch on what’s next in the Leyden pipeline and look at some of the areas of future exploration as well as discuss some of the surprising learnings from the team along the way.

Make sure to check the JVMLS 2025 playlist.