Release Notes

Releases summary

Container Cloud release

Release date

Supported Cluster releases


2.11.0 (current)

Sep 1, 2021

  • Technology Preview support for the Microsoft Azure cloud provider

  • RHEL 7.9 bootstrap node for the vSphere-based provider

  • Validation labels for the vSphere-based VM templates

  • Automatic migration of Docker data and LVP volumes to NVMe on AWS clusters

  • Switch of core Helm releases from v2 to v3

  • Bond interfaces for baremetal-based management clusters

  • Bare metal advanced configuration using web UI

  • Equinix Metal capacity labels for machines in web UI

  • Ceph:

    • Support for Ceph Octopus

    • Hyperconverged Ceph improvement

    • Ceph cluster status improvements

    • Ceph Manager modules

  • StackLight:

    • StackLight node labeling improvements

    • StackLight log level severity setting in web UI

    • Improvements to StackLight alerting

    • Salesforce feed update

  • Documentation:

    • How to manually remove a Ceph OSD from a Ceph cluster

    • How to update the Keycloak IP address on bare metal clusters


July 21, 2021

  • 7.x Cluster release series with updated versions of MCR 20.10.5, MKE 3.4.0, and Kubernetes 1.20.1

  • Support of MKE 3.3.3 - 3.3.6 and 3.4.0 for cluster attachment

  • Graceful MCR upgrade from 19.03.14 to 20.10.5

  • MKE logs gathering enhancements

  • VMware vSphere provider:

    • Initial CentOS support VMware vSphere provider

    • RHEL 7.9 support for the VMware vSphere provider

    • Removal of IAM and Keycloak IPs configuration

  • Ability to add or configure proxy on existing clusters

  • Command for creation of Keycloak users

  • Improvements to StackLight alerting

  • Log verbosity for StackLight components

  • Documentation:

    • How to move a Ceph Monitor daemon to another node

    • Manage user roles through Keycloak


June 15, 2021

  • Equinix Metal provider

  • Integration to Lens

  • New bootstrap node for additional regional clusters

  • TLS certificates for management cluster applications

  • Default Keycloak authorization in Container Cloud web UI

  • SSH keys management for mcc-user

  • vSphere resources controller

  • StackLight components upgrade

  • Netechecker deprecation for StackLight

  • Ceph:

    • Multinetwork configuration

    • TLS for public endpoints

    • RBD mirroring support

* - the Cluster release is deprecated and will become unsupported in one of the following Container Cloud releases. For details about unsupported releases, see Container Cloud releases history.

** - the Cluster release supports only attachment of existing MKE 3.3.4 clusters. For the deployment of new or attachment of existing clusters based on other supported MKE versions, the latest available Cluster releases are used.