See the older migration guide for information about migrating from older versions than Flink 1.3.
This would be relevant mostly for users implementing custom TypeSerializer
s for their state.
The old TypeSerializerConfigSnapshot
abstraction is now deprecated, and will be fully removed in the future
in favor of the new TypeSerializerSnapshot
. For details and guides on how to migrate, please see
Migrating from deprecated serializer snapshot APIs before Flink 1.7.