* Migrate BufferedStreamConsumer users (e.g. all JDBC destinations, MeiliSearch) (#3473)
* Add checkpointing test cases in Acceptance Tests (#3473)
* Add testing for emitting state in Destination Standard Test (#3546)
* Migrate BQ to support checkpointing (#3546)
* Migrate copy destinations support checkpointing (#3547)
* Checkpointing: Migrate CSV and JSON destinations (#3551)