You have selected the Evolve checkbox when initially adding the schema. You have the schema you want to evolve saved to a file. From the Schema Registry UI, identify the schema that you want to version. Click the pencil icon to open the Edit Version dialog. Add a description of what has changed in this new version of the schema. State Schema Evolution # Apache Flink streaming applications are typically designed to run indefinitely or for long periods of time. As with all long-running services, the applications need to be updated to adapt to changing requirements. This goes the same for data schemas that the applications work against; they evolve along with the application. schemas evolve frequently and significantly, how schemas evolve and how they impact application code. Furthermore, we present guidelines for developing automated tool to aid schema and code co-evolution based on our observations from the study. To the best of our knowledge, this is the first work that attempts to empirically.