Confluent new features in September 2026

Everything Confluent shipped in September 2026: 11 releases, grouped by product, each linked to Confluent's release notes.

August 2026

GA 1Preview 1Update 9

Confluent Cloud11

Confluent CloudSep 21, 2026

Delete empty consumer groups from Confluent Cloud Console

You can now delete consumer groups in the empty state through Confluent Cloud Console.

UpdateSource

Confluent CloudSep 18, 2026

Audit logs record SCIM provisioning events

Confluent Cloud audit logs now record auditable events for SCIM provisioning operations, including enabling SCIM, managing SCIM tokens, and creating, updating, or deleting users through a SCIM client.

UpdateSecurityObservabilitySource

Confluent CloudSep 15, 2026

Advanced Security add-on in Limited Availability

Organization-level add-on bundling SCIM, self-managed encryption keys (BYOK), and higher limits for security resources such as identity pools and RBAC role bindings. Billed as a percentage uplift on eligible infrastructure charges.

PreviewSecuritySource

Confluent CloudSep 15, 2026

Flink materialized tables can adopt an existing Kafka topic

A CREATE OR ALTER MATERIALIZED TABLE statement can point at an existing table, and Flink adopts it in place, keeping the topic, its data, and its consumers. Previously a materialized table always created a new topic.

UpdateStreamingSource

Confluent CloudSep 15, 2026

SCIM user provisioning generally available

SCIM user provisioning is GA with the Advanced Security add-on. Your IdP becomes the single source of truth for SSO user accounts, automating provisioning and de-provisioning.

GASecuritySource

Confluent CloudSep 11, 2026

Flink Table API 2.3-6 adds AI functions, changelog functions, artifact creation

Java plugin 2.3-6 and Python package 2.3.3 on Flink 2.3.0 add AI_SENTIMENT, AI_DETECT_PII, AI_FORECAST and AI_DETECT_ANOMALIES, FROM_CHANGELOG/TO_CHANGELOG support, and ConfluentTools.createArtifact(). Python Table API remains in Open Preview.

UpdateStreamingObservabilityDeveloper toolsSource

Confluent CloudSep 9, 2026

Oracle XStream CDC Source no longer requires SELECT_CATALOG_ROLE

The connector no longer requires granting SELECT_CATALOG_ROLE to the connect user; you can instead grant SELECT on an explicit list of catalog views.

UpdateStreamingGovernanceData integrationSource

Confluent CloudSep 9, 2026

Oracle XStream CDC Source supports Active Data Guard standby as source

For cascading downstream capture, the source connection can point at the Active Data Guard standby instead of the primary, offloading the initial snapshot and schema reads.

UpdateStreamingSource

Confluent CloudSep 9, 2026

ksqlDB v8.1.0-41 bounds pull-query concurrency per cluster

Coordinator and router thread pools each accept up to 100 pending requests; requests beyond that are rejected with HTTP 429. Queries are cancelled server-side if the client disconnects.

UpdateSQLDeveloper toolsSource

Confluent CloudSep 9, 2026

ksqlDB validates property overrides against an allowlist

Server property overrides supplied through queries, such as SET statements, are now validated against an allowlist of approved properties by default, replacing the previous denylist. Overrides outside the allowlist are rejected.

UpdateDeveloper toolsSource

Confluent CloudSep 8, 2026

Logical cluster ID OAuth extension no longer required for Kafka clients

The logicalCluster OAuth extension is no longer required for clients connecting to Dedicated, Freight, and Enterprise clusters with an lkc-based bootstrap URL, on any cloud or networking type.

UpdateStreamingSecuritySource