FS2-Kafka: Functional Kafka Streams for Scala

Getting started

For the latest stable version, see the badge at the top of this page. If your project uses cats-effect 2 you should instead use the latest release from the 1.x series.

Version matrix

fs2-kafka	scala	cats-effect/fs2	kafka-clients	status
3.x	2.12, 2.13, 3.3+	3.x	3.x	Current
2.x	2.12, 2.13, 3.2+	3.x	2.x	End-of-life
1.x	2.12, 2.13, 3.2+	2.x	2.x	End-of-life

For further details, see the microsite.

Integrations

• Trace4Cats, a distributed tracing system, provides a module for integrating with fs2-kafka.

Contributing

Pull requests and feedback are welcome. Pull requests should usually target the series/3.x branch.

Adopters

FS2-Kafka is used in production by a number of companies, including:

• ITV
• OVO Energy
• Stuart

Code of conduct

All participants are expected to follow the Scala Code of Conduct.