Version compatibility reference for Astro Private Cloud

Astro Private Cloud (APC) ships with and requires a number of adjacent technologies that support it, including Kubernetes, Helm, and Apache Airflow itself. This guide provides a reference of all required tools and versions for running APC.

While the tables below reference the minimum compatible versions, we typically recommend running the latest versions of all tooling if and when possible.

Find detailed information about the component image versions, including which versions were used to test a particular APC version in the APC release index.

Astro Private Cloud compatibility reference

See Kubernetes version support table and policy for Astro Private Cloud compatibility with Kubernetes.
See the Astro Runtime lifecycle schedule for supported Astro Runtime versions.
Astronomer recommends using the latest available version of the Astro CLI for all Astro Private Cloud versions. To upgrade from an earlier version of the CLI to the latest, see Upgrade to Astro CLI version 1.0+.

Astronomer does not support Postgres versions that are beyond their end-of-life date. You can check to see the currently supported versions of Postgres. The following table shows version compatibility information for all currently supported versions of APC. Check APC lifecycle schedule for more information about supported versions of APC.

Astro Private Cloud version	Supported Postgres versions	Supported Astro runtime versions
1.0	supported versions up to v17	All in-support Astro runtime versions for Airflow 2, and Astro Runtime 3.1-2+ for Airflow 3

For more detail about the changes in each APC release, see the APC Release Notes.

Only Astronomer-distributed images supporting Airflow 2.x are compatible with all versions of APC. Astro Runtime maintenance is independent of Astro Private Cloud maintenance. For more information, see Astro Runtime maintenance and lifecycle policy.

Kubernetes version support table and policy

In general, APC will support a given version of Kubernetes through its End of Life. This includes Kubernetes upstream and cloud-managed variants like GKE, AKS, and EKS. When a version of Kubernetes reaches End of Life, support will be removed in the next major or minor release of APC. For more information on Kubernetes versioning and release policies, refer to Kubernetes Release History or your cloud provider.

See the following table for all supported Kubernetes versions in each maintained version of APC.

Astro Private Cloud	Kubernetes 1.29	1.30	1.31	1.32	1.33	1.34
1.0.0	✔️	✔️	✔️	✔️
1.0.1			✔️	✔️	✔️	✔️