Yes; I suppose they will be more careful in the future. The Java model of using separate lifecycles for the runtime/JVM and the language itself is probably a g

Yes; I suppose they will be more careful in the future. The Java model of using separate lifecycles for the runtime/JVM and the language itself is probably a good role model for the future; it allows introducing new language features without any danger of creating library inconsistencies and allows specifying source and VM versions individually.