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Updated on 2024-04-23 GMT+08:00
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Patch Version Release Notes

Version 1.28

Table 1 Release notes for the v1.28 patch

CCE Cluster Patch Version

Kubernetes Version

Feature Updates

Optimization

Vulnerability Fixing

v1.28.2-r0

v1.28.3
  • You can configure an ELB blocklist/trustlist for access control when creating a Service or ingress.

None

Fixed some security issues.

v1.28.1-r4

v1.28.3

None

None

Fixed CVE-2024-21626 issues.

v1.28.1-r0

v1.28.3

CCE clusters of v1.28 are released for the first time. For more information, see Kubernetes 1.28 Release Notes.

  • The prefix and suffix of a node name can be customized in node pools.
  • In CCE Turbo clusters, you can create container networks for workloads and specify pod subnets.
  • LoadBalancer ingresses support gRPC.
  • LoadBalancer Services allow you to specify a private IP address for a load balancer during Service creation using YAML.
  • Accelerated the startup speed for creating a large number of Kata containers in a CCE Turbo cluster.
  • Improved the stability when Kata containers are repeatedly created or deleted in a CCE Turbo cluster.

None

Version 1.27

In CCE v1.27 and later versions, all nodes support only the containerd container engine. To migrate nodes from Docker to containerd, follow the operations described in Migrating Nodes from Docker to containerd.

Table 2 Release notes for the v1.27 patch

CCE Cluster Patch Version

Kubernetes Version

Feature Updates

Optimization

Vulnerability Fixing

v1.27.3-r4

v1.27.4

None

None

Fixed CVE-2024-21626 issues.

v1.27.2-r0

v1.27.2
  • Volcano supports node pool affinity scheduling.
  • Volcano supports workload rescheduling.

None

Fixed some security issues.

v1.27.1-r10

v1.27.2

None

Optimized the events generated during node pool scaling.

Fixed some security issues.

v1.27.1-r0

v1.27.2

CCE clusters of v1.27 are released for the first time. For more information, see Kubernetes 1.27 Release Notes.

  • Both soft eviction and hard eviction are supported in node pool configurations.

None

None

Version 1.25

All nodes in the CCE clusters of version 1.25, except the ones running EulerOS 2.5, use containerd by default.

Table 3 Release notes for the v1.25 patch

CCE Cluster Patch Version

Kubernetes Version

Feature Updates

Optimization

Vulnerability Fixing

v1.25.6-r4

v1.25.10

None

None

Fixed CVE-2024-21626 issues.

v1.25.5-r0

v1.25.5
  • Volcano supports node pool affinity scheduling.
  • Volcano supports workload rescheduling.

None

Fixed some security issues.

v1.25.4-r10

v1.25.5

None

Optimized the events generated during node pool scaling.

Fixed some security issues.

v1.25.4-r0

v1.25.5
  • Both soft eviction and hard eviction are supported in node pool configurations.
  • TMS tags can be added to automatically created EVS disks to facilitate cost management.

None

Fixed some security issues.

v1.25.3-r10

v1.25.5

The timeout interval can be configured for a load balancer.

High-frequency parameters of kube-apiserver are configurable.

Fixed some security issues.

v1.25.3-r0

v1.25.5

None

Enhanced network stability of CCE Turbo clusters when their specifications are modified.

Fixed some security issues.

v1.25.1-r0

v1.25.5

CCE clusters of v1.25 are released for the first time. For more information, see Kubernetes 1.25 Release Notes.

None

None

Version 1.23

Table 4 Release notes for the v1.23 patch

CCE Cluster Patch Version

Kubernetes Version

Feature Updates

Optimization

Vulnerability Fixing

v1.23.11-r4

v1.23.17

None

None

Fixed CVE-2024-21626 issues.

v1.23.10-r0

v1.23.11
  • Volcano supports node pool affinity scheduling.
  • Volcano supports workload rescheduling.

None

Fixed some security issues.

v1.23.9-r10

v1.23.11

None

Optimized the events generated during node pool scaling.

Fixed some security issues.

v1.23.9-r0

v1.23.11
  • Both soft eviction and hard eviction are supported in node pool configurations.
  • TMS tags can be added to automatically created EVS disks to facilitate cost management.

None

Fixed some security issues.

v1.23.8-r10

v1.23.11

The timeout interval can be configured for a load balancer.

High-frequency parameters of kube-apiserver are configurable.

Fixed some security issues.

v1.23.8-r0

v1.23.11

None
  • Enhanced Docker reliability during upgrades.
  • Optimized node time synchronization.

Fixed some security issues.

v1.23.5-r0

v1.23.11
  • Fault detection and isolation are supported on GPU nodes.
  • Security groups can be customized by cluster.
  • CCE Turbo clusters support ENIs pre-binding by node.
  • containerd is supported.
  • Upgraded the etcd version of the master node to the Kubernetes version 3.5.6.
  • Optimized scheduling so that pods are evenly distributed across AZs after pods are scaled in.
  • Optimized the memory usage of kube-apiserver when CRDs are frequently updated.

Fixed some security issues and the following CVE vulnerabilities:

v1.23.1-r0

v1.23.4

CCE clusters of v1.23 are released for the first time. For more information, see Kubernetes 1.23 Release Notes.

None

None

Version 1.21

Table 5 Release notes for the v1.21 patch

CCE Cluster Patch Version

Kubernetes Version

Feature Updates

Optimization

Vulnerability Fixing

v1.21.12-r4

v1.21.14

None

None

Fixed CVE-2024-21626 issues.

v1.21.11-r20

v1.21.14
  • Volcano supports node pool affinity scheduling.
  • Volcano supports workload rescheduling.

None

Fixed some security issues.

v1.21.11-r10

v1.21.14

None

Optimized the events generated during node pool scaling.

Fixed some security issues.

v1.21.11-r0

v1.21.14
  • Both soft eviction and hard eviction are supported in node pool configurations.
  • TMS tags can be added to automatically created EVS disks to facilitate cost management.

None

Fixed some security issues.

v1.21.10-r10

v1.21.14

The timeout interval can be configured for a load balancer.

High-frequency parameters of kube-apiserver are configurable.

Fixed some security issues.

v1.21.10-r0

v1.21.14

None
  • Enhanced Docker reliability during upgrades.
  • Optimized node time synchronization.
  • Enhanced the stability of the Docker runtime for pulling images after nodes are restarted.

Fixed some security issues.

v1.21.7-r0

v1.21.14
  • Fault detection and isolation are supported on GPU nodes.
  • Security groups can be customized by cluster.
  • CCE Turbo clusters support ENIs pre-binding by node.
  • Control plane logs can be collected.

Improved the stability of LoadBalancer Services/ingresses with a large number of connections.

Fixed some security issues and the following CVE vulnerabilities:

v1.21.1-r0

v1.21.7

CCE clusters of v1.21 are released for the first time. For more information, see Kubernetes 1.21 Release Notes.

None

None

Version 1.19

Table 6 Release notes for the v1.19 patch

CCE Cluster Patch Version

Kubernetes Version

Feature Updates

Optimization

Vulnerability Fixing

1.19.16-r84

v1.19.16

None

None

Fixed CVE-2024-21626 issues.

v1.19.16-r60

v1.19.16
  • Volcano supports node pool affinity scheduling.
  • Volcano supports workload rescheduling.

None

Fixed some security issues.

v1.19.16-r50

v1.19.16

None

Optimized the events generated during node pool scaling.

Fixed some security issues.

v1.19.16-r40

v1.19.16
  • Both soft eviction and hard eviction are supported in node pool configurations.
  • TMS tags can be added to automatically created EVS disks to facilitate cost management.

None

Fixed some security issues.

v1.19.16-r30

v1.19.16

The timeout interval can be configured for a load balancer.

High-frequency parameters of kube-apiserver are configurable.

Fixed some security issues.

v1.19.16-r20

v1.19.16

None
  • Cloud Native 2.0 Networks allow you to specify subnets for a namespace.
  • Enhanced the stability of the Docker runtime for pulling images after nodes are restarted.
  • Optimized the performance of CCE Turbo clusters in allocating ENIs if not all ENIs are pre-bound.

Fixed some security issues.

v1.19.16-r4

v1.19.16
  • Containers support SFS 3.0 for storage.
  • Fault detection and isolation are supported on GPU nodes.
  • Security groups can be customized by cluster.
  • CCE Turbo clusters support ENIs pre-binding by node.
  • Scheduling is optimized on taint nodes.
  • Enhanced the long-term running stability of containerd when cores are bound.
  • Improved the stability of LoadBalancer Services/ingresses with a large number of connections.
  • Optimized the memory usage of kube-apiserver when CRDs are frequently updated.

Fixed some security issues and the following CVE vulnerabilities:

v1.19.16-r0

v1.19.16

None

Enhanced the stability in updating LoadBalancer Services when workloads are upgraded and nodes are scaled in or out.

Fixed some security issues and the following CVE vulnerabilities:

v1.19.10-r0

v1.19.10

CCE clusters of v1.19 are released for the first time. For more information, see Kubernetes 1.19 Release Notes.

None

None
Parent topic: Cluster Overview