Confluent

Release date 2026/07/02

Feature

• Added support for forwarding HTTP request headers as native Kafka record headers.

• Added SASL OAUTHBEARER authentication support.

Release date 2026/07/29

Bugfix

• Fixed a crash that occurred when a plugin set schema_registry.confluent.authentication.mode to oauth2 but omitted the oauth2_client record. Previously this returned a 500 from the Admin API during validation, and once saved it also crashed at runtime while fetching the schema registry OAuth2 token. The absent oauth2_client is now handled and falls back to the default authentication method, so a configuration without oauth2_client works end-to-end.

Release date 2026/04/07

Feature

• the security.ssl_verify option is now enabled by default.

Release date 2025/12/18

Feature

• added new config option ssl_verify to support verifying server certificates. Added support for the tls_certificate_verify global option. When this option is enabled, the plugin’s ssl_verify setting cannot be disabled.

Bugfix

• Fixed an issue where forward_body dropped request bodies larger than Nginx’s default buffer size (16 KB). It now reads up to 1 MB and returns an error if the body can’t be fully read.

Release date 2026/08/18

Bugfix

• Fixed a crash that occurred when a plugin set schema_registry.confluent.authentication.mode to oauth2 but omitted the oauth2_client record. Previously this returned a 500 from the Admin API during validation, and once saved it also crashed at runtime while fetching the schema registry OAuth2 token. The absent oauth2_client is now handled and falls back to the default authentication method, so a configuration without oauth2_client works end-to-end.

Release date 2026/07/22

Bugfix

• Fixed Kafka keepalive pools leaking connections across different SASL credentials and TLS verification settings.

Release date 2025/10/01

Bugfix

• Fixed an issue where the plugin did not use conf.cluster_name.

Release date 2025/07/03

Feature

• Added support for sending messages with dynamic keys to determine partitions.

Release date 2025/03/27

Feature

• Added support for message manipulation with the new configuration field message_by_lua_functions.

• Added support for sending messages to multiple topics with topics_query_arg, and enabled topic allowlisting with allowed_topics.

Release date 2024/09/11

Feature

• Added the confluent plugin which allows to interface with Confluent.