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by adra 1256 days ago
"For Java, the latest one. Current latest java still runs 20 year old jars."

Not necessarily anymore. Many of the standard JVM features were removed in 11+ instances, so things like _some_ of the JVMs JMX APIs were removed for one reason or other. I'm not saying the removals weren't justified, simply clarifying that not all java applications written N years ago are still entirely supported.