its a host platform, but a great one? Given that the platform lacks a lot of native features long used by Lisp systems. For example one can work interactively,

its a host platform, but a great one? Given that the platform lacks a lot of native features long used by Lisp systems. For example one can work interactively, dump a memory image, copy and restart it later, just continuing the the work. The JVM does not support that. The native object system is not tailored towards incremental change, class loaders are a pain, ...