Github user paulk-asert commented on the pull request:
https://github.com/apache/groovy/commit/1bcaaeaf60078dd5a9aca5cbf1df8f45de68db60#commitcomment-28387229
Also, I'd note that in some cases, like the ObservableList/Map/Set example
which weren't serializable in the first place - contained a non-serializable
value - so we don't need to try to maintain serializability compatibility in
such a case.---
