Sourced from Confluent.Kafka's releases.

2.13.0

Enhancements

• References librdkafka.redist 2.13.0. Refer to the librdkafka v2.13.0 release notes for more information.
• Support Avro schema references for C# client (#​2534)
• Add Accept-Version header (#​2536)
• Handle evolution during field transformation (#​2541)
• Re-enable deserialization optimization by removing unnecessary array conversions (#​2531)

Fixes

• Ensure schemaId initialization is thread-safe (#​2540)
• Ensure all deps are strongly named (#​2548)

2.12.0

KIP-848 – General Availability

Starting with Confluent.Kafka 2.12.0, the next generation consumer group rebalance protocol defined in KIP-848 is production-ready. Please refer to the following migration guide for moving from Classic to Consumer protocol.

Note: The new consumer group protocol defined in KIP-848 is not enabled by default. There are few contract change associated with the new protocol and might cause breaking changes. GroupProtocol configuration property dictates whether to use the new Consumer protocol or older Classic protocol. It defaults to Classic if not provided.

Enhancements

• References librdkafka.redist 2.12.0. Refer to the librdkafka v2.12.0 release notes for more information.
• OAuth OIDC method example for Kafka metadata based authentication with
  an Azure IMDS endpoint using an attached managed identity as principal (#​2526).

2.11.1

Enhancements

• References librdkafka.redist 2.11.1. Refer to the librdkafka v2.11.1 release notes for more information.

2.11.0

Enhancements

• References librdkafka.redist 2.11.0. Refer to the librdkafka v2.11.0 release notes for more information.

2.10.1

Enhancements

• References librdkafka.redist 2.10.1. Refer to the librdkafka v2.10.1 release notes for more information.

2.10.0

Enhancements

• References librdkafka.redist 2.10.0. Refer to the librdkafka v2.10.0 release notes for more information.
• [KIP-848] Group Config is now supported in AlterConfigs, IncrementalAlterConfigs and DescribeConfigs. (#​2366)

2.9.0

Enhancements

• Add utilities to convert decimals from/to Protobuf (#​2424)
• Add client credentials OAuth support (#​2426)
• Add support for passing schema ID during serialization (#​2428)
• Optimize schema registry client by caching results of LookupSchemaAsync (#​2429)
• Use ConcurrentDictionary as default cache for Schema Registry client (#​2433)

Fixes

• Fix JSON Schema validation to use latest schema if needed (#​2406)
• Support Protobuf oneof fields in Data Contract rules (#​2413)

2.8.0

v2.8.0 is a feature release with the following features, fixes and enhancements:

Enhancements

• References librdkafka.redist 2.8.0. Refer to the librdkafka v2.8.0 release notes for more information.
• Add retry logic to RestService for Schema Registry (#​2353)
• Add config for validating payloads against JSON Schema (#​2350)
• Add ability to override disable flag and actions on a rule (#​2377)
• Add AWS AssumeRole support to AWS KMS (#​2379)

Fixes

• Retrieve version for writer schema when getting migrations (#​2358)
• Add missing JSON Schema validate check (#​2372)
• Ensure different key ids use different client instances (#​2374)
• DGS-19409 Ensure Avro serde caches per subject (#​2387)
• Update hash code for schema references so they can be retrieved correctly (#​2390)

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