[jira] [Created] (FLINK-4464) Add docs about version upgrades

[Shang Yuanchun (Jira)]

Ufuk Celebi created FLINK-4464:
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             Summary: Add docs about version upgrades
                 Key: FLINK-4464
                 URL: https://issues.apache.org/jira/browse/FLINK-4464
             Project: Flink
          Issue Type: Sub-task
          Components: Documentation
            Reporter: Ufuk Celebi


Add documentation about rolling version upgrades.



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