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Addressed issues#

Issues addressed in the MKE 4k 4.1.3 release include:

Upgrades and Migration#

  • Improvements to the MKE 3.x to 4.x upgrade path, including organization and team name sanitization.
  • Fix made to registry flag handling during non-airgapped upgrades.
  • Addition of migration support for custom TLS during the 4.1.3 upgrade

Reliability#

  • Improvements in mkectl robustness when handling environments with low permitted SSH sessions.
  • Enhancements to etcd maintenance resiliency whenever members are unreachable.
  • Addition of admission webhooks, to prevent accidental deletion of owned ClusterDeployment objects.
  • Upgrades are only supported from MKE 3.7.15+ and 3.8.x. Attempts to upgrade from any other source MKE 3.x versions are rejected.

Networking#

  • Removal of the deprecated kube-router CNI.
  • Provision to ensure that calico-node is fully removed before felixconfig deletion.
  • Fixed issues with AWSClusterStaticIdentity namespace selection and apply conflicts.

Miscellaneous#

  • Resolved issues with ucpauthz namespace for child clusters.
  • Resolved issues with embedded binary cleanup in temporary directories.
  • Improvements to validation for OIDC settings and support bundle triggers.