Glossary

Major SMCP Releases

Release	PMK Version	Release Date	Documentation	End Of Life?
SMCP 5.3 (LTS1)	PMK 5.3	2021	https://platform9.com/docs/v5.5/PEC/-	Y
SMCP 5.6 (LTS2)	PMK 5.6	2022	https://platform9.com/docs/v5.8/PEC/-	Y
SMCP 5.9 (GA) (LTS3)	PMK 5.9	September 2023	https://platform9.com/docs/v5.9/PEC/-	N
SMCP 5.10 (LTS4)	PMK 5.10	May 2024	https://platform9.com/docs/5.10/PEC	N
SMCP 5.11	PMK 5.11	March 2025	`[https://platform9.com/docs/5.11/PEC ](https://platform9.com/docs/5.11/PEC)`	N

Kubernetes Versions supported

Release	Management Cluster Version	K8s Workload Cluster versions supported	PMK Release
5.3 (LTS1)	CDU architecture (VM)	k8s 1.18, 1.19, 1.20	5.3
5.6 (LTS2)	k8s 1.21	k8s 1.21, 1.22, 1.23	5.6
5.9.0 (LTS3)	k8s 1.25	k8s 1.24, 1.25	5.9
5.9.1	k8s 1.25	k8s 1.24 (deprecated), 1.25, 1.26	5.9.1
5.9.2	k8s 1.25	k8s 1.25 (deprecated), 1.26, 1.27	5.9.2
5.10 (LTS4)	k8s 1.27	k8s 1.27, 1.28, 1.29	5.10
5.11	k8s 1.30	k8s 1.28, 1.29, 1.30	5.11

Operating Systems supported

OS	5.3 (LTS1)	5.6 (LTS2)	5.9 (LTS3)	5.10 (LTS4)
CentOS	7.9	7.9	7.9	7.9
RHEL		8.5, 8.6	8.5, 8.6	8.5, 8.6, 8.8, 8.10
Rocky Linux			9.2	9.2
Ubuntu				22.04 LTS

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Glossary Major SMCP Releases Kubernetes Versions supported Operating Systems supported