No, they're not. It's a silly idea with a pretty specific target audience. Most shops don't have time to waste on keeping their customers' JVM up to date by re-

No, they're not. It's a silly idea with a pretty specific target audience. Most shops don't have time to waste on keeping their customers' JVM up to date by re-releasing their applications with new JVMs. This feature is mostly useful when you want to ship a particularly stripped down version of the JVM for footprint reasons.