Confluent new features in June 2026

Everything Confluent shipped in June 2026: 13 releases, grouped by product, each linked to Confluent's release notes.

July 2026

GA 4Preview 1Update 8

Confluent Cloud13

Confluent CloudJun 30, 2026

AWS IAM authentication plugins for Python and .NET clients

Python and .NET clients on AWS can authenticate to Confluent Cloud using an AWS STS WebIdentityToken through new AWS IAM plugins.

UpdateSecuritySource

Confluent CloudJun 30, 2026

Custom SMTs on Basic, Standard, and public Dedicated clusters

Custom Single Message Transformations are now available for fully managed connectors on Basic, Standard, and public Dedicated clusters in all supported regions.

GAData integrationRegionsSource

Confluent CloudJun 30, 2026

Kafka clients on librdkafka v2.15.0

Updated Python, JavaScript, .NET, Go, and C/C++ clients add IBM Z (s390x) support, .NET 10 support, security hardening, and Queues for Kafka for Python in preview.

UpdateStreamingSecuritySource

Confluent CloudJun 30, 2026

PostgreSQL and MySQL connectors support mTLS authentication

The fully managed PostgreSQL Source and Sink and MySQL Source and Sink (JDBC) connectors now support mutual TLS authentication.

UpdateData integrationPostgresSource

Confluent CloudJun 29, 2026

Connector secret manager integration supports Google Cloud Secret Manager

Confluent Cloud can fetch connector secrets at runtime from Google Cloud Secret Manager, removing the need to persist secrets within Confluent's boundary.

UpdateSecurityData integrationSource

Confluent CloudJun 29, 2026

Schema Registry reachable over Private Network Interface on AWS

If you use PNI for Enterprise or Freight clusters, you can reach Schema Registry over the same PNI connection without a separate PrivateLink.

UpdateSecuritySource

Confluent CloudJun 26, 2026

HTTP Source V2 connector supports schema evolution

The HTTP Source V2 connector supports the EVOLVE schema enforcement mode, requiring AVRO or JSON_SR output and TopicNameStrategy.

UpdateData integrationSource

Confluent CloudJun 26, 2026

OpenSearch Sink connector adds configurable input key format

The OpenSearch Sink connector adds input.key.format, and for INSERT you can use the Kafka record key as the document _id.

UpdateStreamingData integrationSource

Confluent CloudJun 26, 2026

Tableflow client-side field level encryption (Limited Availability)

Materialize topics with encrypted fields into Iceberg or Delta Lake tables, storing tagged fields as plaintext if you share the key or as ciphertext if you keep it private.

PreviewSecurityApache IcebergDeveloper toolsSource

Confluent CloudJun 25, 2026

Flink Process Table Functions generally available

PTFs provide managed state, state TTL, event-time timers, and multi-table inputs. This release adds changelog mode via the SUPPORT_UPDATES trait.

GAStreamingObservabilityDeveloper toolsSource

Confluent CloudJun 25, 2026

Flink Python UDFs generally available on AWS

Python UDFs are GA on AWS, including vectorized scalar functions that process rows in batches as pandas.Series.

GAVector searchStreamingSource

Confluent CloudJun 25, 2026

Flink UDF external connectivity generally available

UDFs can call external systems such as REST APIs through Connection objects bound with USING CONNECTIONS. Public endpoints on AWS, Azure, Google Cloud; private endpoints on AWS only.

GAStreamingSource

Confluent CloudJun 25, 2026

USM monitors Confluent Platform Kafka Streams applications

Monitor Kafka Streams throughput, consumer lag, end-to-end latency, and thread state in USM. Requires Confluent Platform 8.2.2+ or 8.3.0+ in KRaft mode.

UpdateStreamingObservabilityPerformanceSource