Page History

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• Added SSL support for custom principle name

• Allow SASL connections to periodically re-authenticate

• Improved consumer group management

  • default group.id is `null` instead of empty string
• Add --under-min-isr option to describe topics command
• Allow clients to suppress auto-topic-creation
• API improvement
  • Producer: introduce close(Duration)
  • AdminClient: introduce close(Duration)
  • Kafka Streams: new flatTransform() operator in Streams DSL
  • KafkaStreams (and other classed) now implement AutoClosable to support try-with-resource
  • New Serdes and default method implementations
  • Kafka Streams exposed internal client.id via ThreadMetadata
• Metric improvements:  All `-min`, `-avg` and `-max` metrics will now output `NaN` as default value

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