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In order to use Apache Flink, you need to get data in Flink from a source or send data from Flink to a sink. In order to achieve this, you need connectors. The Flink community has created and maintains multiple Flink connectors, which can be found in multiple locations.

The Flink community wants to improve on the overall connector ecosystem, which includes that we want to move existing connectors out of Flink's main repository and as a result decouple the release cycle of Flink with the release cycles of the connectors. This should result in:

  • Faster releases of connectors: New features can be added more quickly, bugs can be fixed immediately, and we can have faster security patches in case of direct or indirect (through dependencies) security flaws.
  • Adding newer connector features to older Flink versions: By having stable connector APIs, the same connector artifact may be used with different Flink versions. Thus, new features can also immediately be used with older Flink versions. 
  • More activity and contributions around connectors: By easing the contribution and development process around connectors, we will see faster development and also more connectors.
  • Standardized documentation and user experience for the connectors, regardless of where they are maintained. 
  • A faster Flink CI: By not needing to build and test connectors, the Flink CI pipeline will be faster and Flink developers will experience fewer build stabilities (which mostly come from connectors). That should speed up Flink development.

The following has been discussed and agreed by the Flink community with regards to connectors:

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