Starting with 9 we saw a lot of functions depreciated for a decade finally removed and other breaking comparability changes. Moving up the Java version system

Starting with 9 we saw a lot of functions depreciated for a decade finally removed and other breaking comparability changes. Moving up the Java version system is finally going to stop dependency rot, but there is a lot of old stuff out there, with old dependencies. This might be a Python2/3 moment for Java.