yux created FLINK-36128:
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             Summary: Promote LENIENT mode as the default schema evolution 
behavior
                 Key: FLINK-36128
                 URL: https://issues.apache.org/jira/browse/FLINK-36128
             Project: Flink
          Issue Type: Improvement
          Components: Flink CDC
            Reporter: yux


Currently, default schema evolution mode "EVOLVE" could not handle exceptions, 
and might not be able to restore from existing state correctly after failover. 
Before we can "manually trigger checkpoint" that was introduced in Flink 1.19, 
making "LENIENT" a default option might be more suitable.



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