Baidu AI Cloud Container Engine (CCE) provides a highly scalable and high-performance enterprise Kubernetes cluster. Due to the regular release of Kubernetes versions by the community, CCE will also release corresponding Kubernetes versions and strictly adhere to community consistency certification. This article will introduce the version support mechanism of CCE.

Cluster creation

CCE supports the creation of the latest three major versions that have been released. For example, when Kubernetes version 1.24 is released, it supports the creation of clusters for versions 1.24, 1.22, and 1.20, and no longer supports the creation of clusters for version 1.18. CCE's released version of Kubernetes:

• version 1.28
  
• version 1.26
  
• version 1.24
  
• version 1.22
  
• version 1.20
  
• version 1.18
  
• version 1.16
  
• version 1.13
  
• version 1.11
  

Version update

• Starting from version 1.16 of Kubernetes, CCE only supports only even-numbered minor versions of Kubernetes versions, such as 1.24, 1.26, and 1.28.
• After the release of a new even-numbered minor version in the Kubernetes community, CCE will conduct risk assessment and consistency testing on the version, and open up the creation and upgrade operations of the new version after completion.
• After releasing a new patch version for even-numbered minor versions in the Kubernetes community, CCE will determine whether to release an upgrade update for that patch version based on the risk level of the issues fixed by the patch. For patch versions that involve fixing critical issues (such as high-risk security vulnerabilities), CCE will evaluate and verify them, and open up new version creation and upgrade operations after completion.