This documentation is being integrated into the Mirantis OpenStack for Kubernetes (MOSK) documentation and will be retired soon. Mirantis Documentation Team encourages you to update your bookmarks and workflows accordingly.

Unsupported releases

Unsupported Container Cloud releases history - 2025

Version

Release date

Summary

2.29.5

Jul 14, 2025

Container Cloud 2.29.5 is the fifth patch release of the 2.29.x release series that contains the following updates:

  • Support for the patch Cluster releases 16.4.5, 16.3.10, and 17.3.10 that represents MOSK patch release 24.3.7.

  • Support for Mirantis Kubernetes Engine to 3.7.23

  • Support for docker-ee-cli 23.0.18 on MOSK clusters (MCR 23.0.15) and 25.0.10 on management clusters (MCR 25.0.8)

  • Bare metal: update of Ubuntu mirror from ubuntu-2025-05-26-003900 to ubuntu-2025-06-23-003900 along with update of minor kernel version from 5.15.0-140-generic to 5.15.0-142-generic

  • Mandatory migration of container runtime from Docker to containerd

  • Security fixes for CVEs in images

2.29.4

Jun 16, 2025

Container Cloud 2.29.4 is the fourth patch release of the 2.29.x release series that contains the following updates:

  • Support for the patch Cluster releases 16.4.4, 16.3.9, and 17.3.9 that represents MOSK patch release 24.3.6.

  • Support for Mirantis Kubernetes Engine to 3.7.23

  • Support for docker-ee-cli 23.0.18 on MOSK clusters (MCR 23.0.15) and 25.0.10 on management clusters (MCR 25.0.8)

  • Bare metal: update of Ubuntu mirror from ubuntu-2025-03-31-003900 to ubuntu-2025-05-26-003900 along with update of minor kernel version from 5.15.0-135-generic to 5.15.0-140-generic

  • Mandatory migration of container runtime from Docker to containerd

  • Security fixes for CVEs in images

2.29.3

May 20, 2025

Container Cloud 2.29.3 is the third patch release of the 2.29.x release series that contains the following updates:

  • Support for the patch Cluster releases 16.4.3, 16.3.8, and 17.3.8 that represents MOSK patch release 24.3.5.

  • Support for Mirantis Kubernetes Engine to 3.7.22

  • Support for docker-ee-cli 23.0.18 on MOSK clusters (MCR 23.0.15) and 25.0.10 on management clusters (MCR 25.0.8)

  • Mandatory migration of container runtime from Docker to containerd

  • Security fixes for CVEs in images

2.29.2

Apr 22, 2025

Container Cloud 2.29.2 is the second patch release of the 2.29.x release series that contains the following updates:

  • Support for the patch Cluster releases 16.4.2, 16.3.7, and 17.3.7 that represents MOSK patch release 24.3.4.

  • Support for Mirantis Kubernetes Engine to 3.7.20

  • Support for docker-ee-cli 23.0.17 on MOSK clusters (MCR 23.0.15) and 25.0.9m1 on management clusters (MCR 25.0.8)

  • Mandatory migration of container runtime from Docker to containerd

  • Bare metal: update of Ubuntu mirror to ubuntu-2025-03-31-003900 along with update of minor kernel version to 5.15.0-135-generic

  • Ubuntu base image: support for utils that extend NVMe provisioning options

  • Security fixes for CVEs in images

2.29.1

Mar 26, 2025

Container Cloud 2.29.1 is the first patch release of the 2.29.x release series that introduces the following updates:

  • Support for the patch Cluster releases 16.4.1, 16.3.6, and 17.3.6 that represents MOSK patch release 24.3.3.

  • Support for Mirantis Kubernetes Engine to 3.7.20

  • Support for docker-ee-cli 23.0.17 on MOSK clusters (MCR 23.0.15) and 25.0.9m1 on management clusters (MCR 25.0.8)

  • Mandatory migration of container runtime from Docker to containerd

  • Bare metal: update of Ubuntu mirror to ubuntu-2025-03-05-003900 along with update of minor kernel version to 5.15.0-134-generic

  • Security fixes for CVEs in images

2.29.0

Mar 11, 2025

  • Improvements in the CIS Benchmark compliance for Ubuntu Linux 22.04 LTS v2.0.0 L1 Server

  • Support for MKE 3.7.19

  • Support for MCR 25.0.8

  • Switch of the default container runtime from Docker to containerd

  • BareMetalHostInventory instead of BareMetalHost

  • Validation of the Subnet object changes against allocated IP addresses

  • Improvements in calculation of update estimates using ClusterUpdatePlan

2.28.5

Feb 03, 2025

Container Cloud 2.28.5 is the fifth patch release of the 2.28.x release series that introduces the following updates:

  • Support for the patch Cluster release 16.3.5 and 17.3.5 that represents MOSK patch release 24.3.2.

  • Support for Mirantis Kubernetes Engine to 3.7.18 and Mirantis Container Runtime 23.0.15, which includes containerd 1.6.36.

  • Optional migration of container runtime from Docker to containerd.

  • Bare metal: update of Ubuntu mirror to ubuntu-2025-01-08-003900 along with update of minor kernel version to 5.15.0-130-generic.

  • Security fixes for CVEs in images.

2.28.4

Jan 06, 2025

Container Cloud 2.28.4 is the fourth patch release of the 2.28.x release series that introduces the following updates:

  • Support for the patch Cluster release 16.3.4 and 17.3.4 that represents MOSK patch release 24.3.1.

  • Support for Mirantis Kubernetes Engine to 3.7.17 and Mirantis Container Runtime 23.0.15, which includes containerd 1.6.36.

  • Optional migration of container runtime from Docker to containerd.

  • Bare metal: update of Ubuntu mirror to ubuntu-2024-12-05-003900 along with update of minor kernel version to 5.15.0-126-generic.

  • Security fixes for CVEs in images.

  • OpenStack provider: suspension of support for cluster deployment and update