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Container Service for Kubernetes:Kubernetes versions supported by ACK

Last Updated:Sep 22, 2025

Container Service for Kubernetes (ACK) provides multiple cluster types, such as ACK managed clusters, ACK Edge clusters, and ACK Lingjun clusters. As new Kubernetes versions are released, ACK adds support for them and gradually discontinues support for outdated versions.

Kubernetes versions supported by ACK managed clusters

The following table lists the Kubernetes versions supported by ACK managed clusters. For versioning mechanism, see Version guide.

Version

Status

Release date

Discontinue date

1.34

Released

September 2025

September 30, 2026

Support lifecycle: 1 year. This version is in canary release.

1.33

Released

May 2025

May 31, 2026

Support lifecycle: 1 year.

1.32

Released

January 2025

January 31, 2026

Support lifecycle: 1 year.

1.31

Released

September 2024

September 30, 2025

Important

Starting from v1.31, ACK has expanded its support for Kubernetes versions from only even-numbered minor releases, such as v1.28 and v1.30, to include all minor versions. Additionally, for Kubernetes minor versions 1.31 and later, the ACK support cycle has been adjusted to one year.

1.30

Released

June 2024

June 30, 2026

1.28

Released

October 2023

October 31, 2025

Discontinued Kubernetes versions

Important

Outdated Kubernetes versions may have security and stability issues. We recommend that you update your clusters to the latest version. For more information, see Manually upgrade a cluster and Automatically update a cluster.

Version

Status

Release date

Discontinue date

1.26

Discontinued

April 2023

April 2025

1.24

Discontinued

September 2022

September 2024

1.22

Discontinued

December 2021

October 2023

1.20

Discontinued

April 2021

April 2023

1.18

Discontinued

September 2020

September 2022

1.16

Discontinued

February 2020

June 2022

1.14

Discontinued

August 2019

July 2021

1.12

Discontinued

March 2019

December 2020

Kubernetes versions supported by ACK Edge clusters

The following table lists the Kubernetes versions supported by ACK Edge clusters:

Version

Status

Release date

Discontinue date

1.32

Released

March 2025

March 2026

Important

ACK Edge provdes a support cycle of one year for Kubernetes 1.32 and later minor versions.

1.30

Released

November 2024

November 2026

1.28

Released

July 2024

July 2026

1.26

Released

October 2023

October 2025

1.24

Released

March 2023

September 2025

Discontinued ACK Edge cluster versions

Important

Outdated Kubernetes versions may pose security and stability threats. Update your clusters to a supported version as soon as possible. For more information, see Upgrade a cluster.

Version

Status

Release date

Discontinue date

1.22

Discontinued

June 2022

June 2024

1.20

Discontinued

October 2021

October 2023

1.18

Discontinued

March 2021

March 2023

1.16

Discontinued

August 2020

August 2022

Kubernetes versions supported by ACK Lingjun clusters

The following table lists the Kubernetes versions supported by ACK Lingjun clusters:

Version

Status

Release date

Discontinue date

1.31

Released

Jan 2025

Subject to the actual situation of ACK Lingjun clusters

1.30

Released

Jan 2025

Subject to the actual situation of ACK Lingjun clusters

1.28

Released

Dec 2023

Subject to the actual situation of ACK Lingjun clusters

1.22

Outdated

Nov 2023

Subject to the actual situation of ACK Lingjun clusters

1.20

Outdated

Apr 2023

Nov 2023