Han Yin created FLINK-38960:
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Summary: Update the "upgrading" documentation to clarify the scope
of state compatibility
Key: FLINK-38960
URL: https://issues.apache.org/jira/browse/FLINK-38960
Project: Flink
Issue Type: Improvement
Components: Documentation
Reporter: Han Yin
In the "upgrading" documentation, there is a table indicating the savepoint
compatibility among various Flink versions. We should clarify that
'compatibility' refers specifically to compatibility of the internal data
format used in savepoints and does *not* cover compatibility of SQL operators
or other Upper-level changes. This helps to prevent any mis-understanding for
Flink users.
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