This is the final release of the new major version 5.0.0 of Kryo (see also the RC1 release notes for major changes of v5).
This version comes with only minor changes on top of RC9 (the list of changes from RC9 can be found here).
For a detailed list of changes to 4.x please go though the release notes for the release candidates for kryo 5.
For migration from previous major versions please check out the migration guide. We're asking the community to help and contribute this part: please edit the migration wiki page as you encounter any information or issues that might help others.
Compatibility
Due to big changes 5.0.0 is both source/binary incompatible and serialization incompatible to previous major versions - for details see the RC1 compatibility report and those of the subsequent RCs.
Compatibility of 5.0.0 to RC9: