Github user paulk-asert commented on the pull request:
https://github.com/apache/groovy/commit/f88d0122525cabf6bdf61ab051533f9983f352f1#commitcomment-28390910
In src/test/groovy/SerializableCompatibilityTest.groovy:
In src/test/groovy/SerializableCompatibilityTest.groovy on line 40:
This looks like it is generated on 2_4_X not 2.4.15. I think the
serializable incompatibility remains - the deserialize test fails on 2.4.15.---
