KIP-202 — Move merge() from StreamsBuilder to KStream

Accepted Kafka 1.0 Streams

Moves the merge(KStream) method from StreamsBuilder to the KStream interface itself, so two streams are merged via stream1.merge(stream2) instead of builder.merge(stream1, stream2). The original placement on StreamsBuilder was unintuitive, as merging is a stream-to-stream operation that should be expressed on the KStream object.

Details