# LTS3 Release Notes ### 5.9 / LTS3 (GA) * Highly-available management plane running PMK 5.9 * Underlying management cluster upgraded to K8s 1.25 * Support for running the management plane and workload clusters in "connected" mode - with access to the internet * Support for workload clusters with K8s 1.24 and 1.25 ### 5.6 / LTS2 * Highly-available management plane running PMK 5.6. The management plane now runs as containers on an underlying management cluster running K8s 1.21 * Support for workload clusters with K8s 1.21, 1.22, and 1.23 * Docker support deprecated. Switched to running user workloads on a containerd runtime * Management plane and workload clusters are designed to work in air-gapped environments only ### 5.3 / LTS1 * Single node management plane running PMK 5.3 * Support for workload clusters with K8s 1.20 * Users workloads running on a Docker runtime * Management plane and workload clusters are designed to work in air-gapped environments only ### Release Notes [LTS3 (GA) Release](https://platform9.com/docs/v5.9/PEC/lts3-release-notes) [LTS2 Release](https://platform9.com/docs/v5.7/PEC/pec-lts2-release) * [LTS2 Patch 1 Release](https://platform9.com/docs/v5.7/PEC/pec-lts2-release#2022-22-12-platform9-edge-cloud-lts2-patch-1) * [LTS2 Patch 2 Release](https://platform9.com/docs/v5.7/PEC/pec-lts2-release#platform9-edge-cloud-lts-2-patch-2) * [LTS2 Patch 3 Release](https://platform9.com/docs/v5.7/PEC/pec-lts2-release#platform9-edge-cloud-lts-2-patch-3) * [LTS2 Patch 4 Release](https://platform9.com/docs/v5.7/PEC/pec-lts2-release#platform9-edge-cloud-lts-2-patch-4) [LTS1 Release](https://platform9.com/docs/v5.5/PEC/PEC-release-notes) --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.platform9.com/self-managed-cloud-platform/5.9/lts3-release-notes.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.