Upgrading Streaming and Governance Charts to 2026.3

Changes in version 2026.3

General prerequisites

Before you upgrade to 2026.3, please make sure:

  • You are performing the deployment with any of the following Axual Streaming 2026.2 versions

    • Axual Streaming Charts 2.0.x series

  • You are performing the deployment with any of the following Axual Governance 2026.2 versions

    • Axual Governance Charts 1.5.x series

  • You are running kubernetes version 1.24.x or later

  • You are not overriding any components' versions (search for tag: overrides in your values.yaml)

You can upgrade each part of the Axual Platform independently, we suggest starting from the Streaming and then move to the Governance.

Performing the upgrade

Upgrade Axual Streaming to 3.0.0

Axual Streaming Charts 3.0.0 ship with Apicurio Registry v3 enabled by default and no longer include Apicurio Registry v2. An installation that still runs v2 must move to v3 on 2026.2 before this upgrade, following Upgrade to Apicurio Registry v3 in the 2026.2 documentation.

Start with Axual Streaming 2026.2 being installed using Axual Streaming Charts of the 2.0.x series.

Use the general upgrade steps for upgrading best-practices.

Perform the upgrade:

  1. Update the Axual helm repository to download the latest charts available

    helm repo update

  2. Upgrade the Axual Streaming installation

    helm upgrade --install streaming oci://registry.axual.io/axual-charts/axual-streaming --version=3.0.0 -n kafka -f values.yaml

This command will restart all streaming pods.

Once restarted, verify everything is running fine before considering the upgrade done.

Upgrade Axual Governance to 1.6.0

Start from Axual Governance 2026.2 installed using Axual Governance Charts series 1.5.x.

Use the general upgrade steps for upgrading best-practices.

Perform the upgrade:

  1. Update the Axual helm repository to download the latest charts available

    helm repo update

  2. Upgrade the Axual Governance installation

    helm upgrade --install governance oci://registry.axual.io/axual-charts/axual-governance --version=1.6.0 -n kafka

This command will restart all governance pods.

Once restarted, verify everything is running fine before considering the upgrade done.

You can follow the Post upgrade section to enable new features.

Post upgrade

Axual Platform 2026.3 adds support for managing Flink SQL applications. The following pages cover enabling Flink and configuring its application deployments: