kryo-5.6.0

This is a maintenance release coming with bug fixes and performance improvements.

#968 Avoid creating GenericsHierarchy when generics optimization is disabled
#1014 BigDecimal serializer memory and throughput optimizations (thanks @gdela)
#1018 Avoid allocation in BigDecimal serializer with new methods for bytes in Input/Output (thanks @gdela)

Other Tasks:

• Streamline Maven project structure and add Dependabot (#957)
• Test CI build against Java 21 (#1017)
• Upgrade Maven plugin dependencies

The full list of changes can be found here.

Many thanks to all contributors!

Upgrade Notes

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

• Serialization compatible
  • Standard IO: Yes
  • Unsafe-based IO: Yes
• Binary compatible - Yes (Details)
• Source compatible - Yes (Details)