[jira] [Created] (FLINK-7461) Remove Backwards compatibility for Flink 1.1 from Flink 1.4

[Shang Yuanchun (Jira)]

Stefan Richter created FLINK-7461:
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             Summary: Remove Backwards compatibility for Flink 1.1 from Flink 1.4
                 Key: FLINK-7461
                 URL: https://issues.apache.org/jira/browse/FLINK-7461
             Project: Flink
          Issue Type: Improvement
    Affects Versions: 1.4.0
            Reporter: Stefan Richter
            Assignee: Stefan Richter


This issue tracks the removal of Flink 1.1 backwards compatibility from Flink 1.4. This step is helpful for further developments because it will remove many old code paths and special cases. In particular, we can drop all handling for non-partitionable state, i.e. state that was created with the old {{Checkpointed}} interface.



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