As MKE versions 3.5.0 - 3.5.5 run etcd 3.4.16, upgrading to any of these MKE versions from MKE 3.4.12 or later (which run etcd 3.5.5) will fail. As such, it is necessary to upgrade instead to MKE 3.5.6 or later.

The etcd component, by design, will not accept a downgrade of itself.

Release date




MKE 3.5.4

Patch release for MKE 3.5 introducing the following key features:

  • Concurrent LDAP and SAML use support

  • MKE web UI dark mode

  • Prevent removing secrets at uninstall time

  • Image pruning support in the MKE web UI

  • etcd cluster defragmentation

  • GCP support (technical preview)