yux created FLINK-35441:
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Summary: Add CDC upgrade compatibility tests
Key: FLINK-35441
URL: https://issues.apache.org/jira/browse/FLINK-35441
Project: Flink
Issue Type: Bug
Components: Flink CDC
Reporter: yux
Currently, there's no test cases to guarantee checkpoint state compatibility
between different CDC versions like Flink's SerializerUpgradeTestBase.
Adding it should help CDC users upgrading version with more confidence.
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