Home Release notes Release notes# The MKE 4k release notes provide a comprehensive overview of new features, enhancements, addressed issues, major middleware component versions, known issues, and security concerns. Release Date Version Highlights 03-DEC-2025 4.1.2 Role-Based Access Control (RBAC)Improved, more secure access to MKE 4k clustersManaged support for Calico eBPF data planeSSH bastion jump host availabilityExpanded etcd functionalitySupport for writable paths during upgrade Features summary Enhancements Addressed issues Known issues Major component versions Previous Virtualization Next Features Summary