stankiewicz opened a new issue, #34933: URL: https://github.com/apache/beam/issues/34933
### What happened? Change in https://github.com/apache/beam/pull/33626 changed SerialVersionUID of Coder class. This lead to different serialized version of Coder. Serialized coder comparison is part of the compatibility check process. Error observed e.g. in dataflow when upgrading from SDK 2.62 (and lower) to 2.63 (and higher): The Coder or type for step <step name>/PubsubUnboundedSource has changed. Workaround: none/ drain. ### Issue Priority Priority: 2 (default / most bugs should be filed as P2) ### Issue Components - [ ] Component: Python SDK - [ ] Component: Java SDK - [ ] Component: Go SDK - [ ] Component: Typescript SDK - [ ] Component: IO connector - [ ] Component: Beam YAML - [ ] Component: Beam examples - [ ] Component: Beam playground - [ ] Component: Beam katas - [ ] Component: Website - [ ] Component: Infrastructure - [ ] Component: Spark Runner - [ ] Component: Flink Runner - [ ] Component: Samza Runner - [ ] Component: Twister2 Runner - [ ] Component: Hazelcast Jet Runner - [ ] Component: Google Cloud Dataflow Runner -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: github-unsubscr...@beam.apache.org.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org