Cluster Patch Version Release Notes

Version 1.25

Table 1 Release notes of v1.25 patch

CCE Cluster Patch Version

Kubernetes Version

Feature Updates

Optimization

Vulnerability Fixing

v1.25.3-r0

v1.25.5

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Enhances the network stability when the specifications of CCE Turbo clusters are changed.

Fixed some security issues.

v1.25.1-r0

v1.25.5

The CCE v1.25 cluster is released for the first time. For more information, see CCE Kubernetes 1.25 Release Notes.

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Version 1.23

Table 2 Release notes of v1.23 patch

CCE Cluster Patch Version

Kubernetes Version

Feature Updates

Optimization

Vulnerability Fixing

v1.23.8-r0

v1.23.11

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  • Enhances Docker reliability during the upgrade.
  • Optimizes the time synchronization of nodes.

Fixed some security issues.

v1.23.5-r0

v1.23.11

  • Supports device fault detection and isolation for GPU nodes.
  • Supports custom security groups by cluster.
  • The node-level, Trunkport ENIs can be pre-bound for CCE Turbo clusters.
  • containerd is supported.
  • The ETCD version of the master node is upgraded to the Kubernetes version 3.5.6.
  • Scheduling is optimized. Pods are evenly distributed across AZs when pods are scaled in.
  • The memory usage of kube-apiserver is optimized when CRDs are frequently updated.

Fixed some security issues and the following CVE vulnerabilities:

v1.23.1-r0

v1.23.4

The CCE v1.23 cluster is released for the first time. For more information, see CCE Kubernetes 1.23 Release Notes.

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Version 1.21

Table 3 Release notes of v1.21 patch

CCE Cluster Patch Version

Kubernetes Version

Feature Updates

Optimization

Vulnerability Fixing

v1.21.10-r0

v1.21.14

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  • Enhances Docker reliability during the upgrade.
  • Optimizes the time synchronization of nodes.
  • Optimizes the stability of pulling images when Docker is running after the node is restarted.

Fixed some security issues.

v1.21.7-r0

v1.21.14

  • Supports device fault detection and isolation for GPU nodes.
  • Supports custom security groups by cluster.

The stability of the ELB and ingress is optimized during massive connections.

Fixed some security issues and the following CVE vulnerabilities:

v1.21.1-r0

v1.21.7

The CCE v1.21 cluster is released for the first time. For more information, see CCE Kubernetes 1.21 Release Notes.

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Version 1.19

Table 4 Release notes of v1.19 patch

CCE Cluster Patch Version

Kubernetes Version

Feature Updates

Optimization

Vulnerability Fixing

v1.19.16-r20

v1.19.16

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  • Cloud Native 2.0 Network supports the subnet specified by the namespace.
  • Optimizes the stability of pulling images when Docker is running after the node is restarted.
  • Optimizes the ENI allocation performance of CCE Turbo clusters in non-full pre-binding scenarios.

Fixed some security issues.

v1.19.16-r4

v1.19.16

  • Supports device fault detection and isolation for GPU nodes.
  • Supports custom security groups by cluster.
  • Scheduling is optimized in the node taint scenario.
  • The stability of the ELB and ingress is optimized during massive connections.
  • The memory usage of kube-apiserver is optimized when CRDs are frequently updated.

Fixed some security issues and the following CVE vulnerabilities:

v1.19.10-r0

v1.19.10

The CCE v1.19 cluster is released for the first time. For more information, see CCE Kubernetes 1.19 Release Notes.

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