Chapter 3. Enhancements


Streams for Apache Kafka 2.8 adds a number of enhancements.

3.1. Streams for Apache Kafka

3.1.1. Kafka 3.8.0 enhancements

For an overview of the enhancements introduced with Kafka 3.8.0, refer to the Kafka 3.8.0 Release Notes.

Additional OAuth configuration options have been added for oauth authentication on the listener and the client.

  • On the listener, oauth.server.bearer.token.location and oauth.username.prefix have been added.
  • On the client, ` oauth.access.token.location`, oauth.client.assertion, oauth.client.assertion.location, oauth.client.assertion.type, and saslExtensions have been added.

For more information, see Configuring OAuth 2.0 authentication on listeners and Configuring OAuth 2.0 on Java clients.

3.2. Kafka Bridge

3.2.1. Support for OpenAPI v3

Kafka Bridge now supports OpenAPI v3. Support for OpenAPI v2 is now deprecated.

3.2.2. New support for message timestamps

Producers can now specify a timestamp explicitly in ProducerRecord objects. A timestamp in the ConsumerRecord can also be read in a request response.

  • Set the timestamp on a message sent using the send API.
  • Get the timestamp on receiving a message using the poll API.

For more information, see ProducerRecord and ConsumerRecord.

3.2.3. JSON arrays for record keys and values

The json embedded data format for Kafka messages now supports JSON arrays for record keys and values in the OpenAPI definition.

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