Project Valhalla, Explained: How a Decade of Work Arrives in JDK 28 - JVM Weekly vol. 180 The new JVM Weekly is here... and Ragnarok seems to come, as we finally have Valhalla in the JDK. However, situation is a bit... nuanced. On June 15, Oracle engineer Lois Foltan confirmed what a good chunk of the industry had stopped believing: JEP 401: Value Classes and Objects will be integrated into the ma...