This may well be... And I don't mean to argue over it, but it's just so hard to imagine, having been through this myself, and it's never been very hard, given h

This may well be... And I don't mean to argue over it, but it's just so hard to imagine, having been through this myself, and it's never been very hard, given how stable the JVM has generally been. It's not like I'm asking to upgrade from Python 2 to 3.