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Patch Version Release Notes

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Version 1.34

Table 1 Release notes for the v1.34 patch

CCE Cluster Patch Version

Kubernetes Version

Feature Updates

Optimization

Vulnerability Fixing

v1.34.3-r2

None

None

Fixed some security issues.

v1.34.3-r0

  • HTTPS is supported for Service/ingress health checks.

When purchasing a CCE node, you can reduce the system disk size to 20 GB.

Fixed some security issues.

v1.34.2-r0

  • CCE supports Pod Identity, which provides secure and dynamic identity credentials for pods.
  • Services and Ingresses support QUIC listeners.

In CCE Turbo clusters, you can specify the enterprise project and resource tags of an EIP when the EIP is automatically bound to a pod.

Fixed some security issues.

v1.34.1-r4

None

None

Fixed some security issues.

v1.34.1-r2

None

None

Fixed runC container escape vulnerabilities (CVE-2025-31133, CVE-2025-52565, and CVE-2025-52881).

v1.34.1-r0

CCE clusters v1.34 are released for the first time. For more information, see Kubernetes 1.34 Release Notes.

  • Traffic mirroring is supported in the advanced forwarding policies of LoadBalancer ingresses.
  • Cluster certificate expiration alerts and updates are supported.
  • Image password-free download can be configured for node pools. Workloads running on nodes can automatically download images using the agency permissions of the nodes.
  • Pod CIDR reservation can be enabled (O&M > Network Settings) for clusters that use the VPC network model to prevent conflicts between new subnet CIDR blocks and container CIDR blocks.
  • Service accounts that use TokenRequest support enhanced node authentication.
  • The number of nodes in a scaling group was optimized, and the actual number of ready nodes can be displayed.

None

Version 1.33

Table 2 Release notes for the v1.33 patch

CCE Cluster Patch Version

Kubernetes Version

Feature Updates

Optimization

Vulnerability Fixing

v1.33.7-r12

None

None

Fixed some security issues.

v1.33.7-r10

  • HTTPS is supported for Service/ingress health checks.

When purchasing a CCE node, you can reduce the system disk size to 20 GB.

Fixed some security issues.

v1.33.7-r0

  • CCE supports Pod Identity, which provides secure and dynamic identity credentials for pods.
  • Services and Ingresses support QUIC listeners.

In CCE Turbo clusters, you can specify the enterprise project and resource tags of an EIP when the EIP is automatically bound to a pod.

Fixed some security issues.

v1.33.5-r0

  • You can enable the kubelet's port 127.0.0.1:10255 in the node pool configuration to expose metrics over HTTP. This configuration is disabled by default.
  • You can enable container-isolated resource view in the node pool configuration. Containers only access and manage their own assigned resources.

-

Fixed some security issues.

v1.33.1-r0

CCE clusters v1.33 are released for the first time. For more information, see Kubernetes 1.33 Release Notes.

  • LoadBalancer ingresses with shared load balancers associated can be redirected from HTTP to HTTPS.
  • CCE standard clusters support custom agencies for cluster-level access control.

-

-

Version 1.32

Table 3 Release notes for the v1.32 patch

CCE Cluster Patch Version

Kubernetes Version

Feature Updates

Optimization

Vulnerability Fixing

v1.32.9-r12

None

None

Fixed some security issues.

v1.32.9-r10

  • HTTPS is supported for Service/ingress health checks.

When purchasing a CCE node, you can reduce the system disk size to 20 GB.

Fixed some security issues.

v1.32.9-r0

  • CCE supports Pod Identity, which provides secure and dynamic identity credentials for pods.
  • Services and Ingresses support QUIC listeners.

In CCE Turbo clusters, you can specify the enterprise project and resource tags of an EIP when the EIP is automatically bound to a pod.

Fixed some security issues.

v1.32.5-r0

AK/SK automatic updates are supported for OBS buckets.

-

Fixed some security issues.

v1.32.1-r0

CCE clusters v1.32 are released for the first time. For more information, see Kubernetes 1.32 Release Notes.

  • Service pod scheduling can be deferred until node post-installation scripts complete.
  • DataPlane V2 is available for newly created CCE clusters that use the VPC networks. After DataPlane V2 is enabled, you can configure network policies for these clusters.
  • AK/SK automatic updates are supported for parallel file systems of OBS.
  • During the creation of a LoadBalancer Service, you can configure specific IP addresses for the ELB backend.
  • AppArmor can be used to restrict container access to resources.
  • Streaming encoding is supported, significantly reducing memory pressure on control plane nodes caused by LIST requests.
  • The cce-pause container image can be protected against accidental deletion.
  • The system labels used by the NodeLocal DNSCache add-on can be protected against accidental deletion.

-

Version 1.31

Table 4 Release notes for the v1.31 patch

CCE Cluster Patch Version

Kubernetes Version

Feature Updates

Optimization

Vulnerability Fixing

v1.31.14-r12

None

None

Fixed some security issues.

v1.31.14-r10

  • HTTPS is supported for Service/ingress health checks.

When purchasing a CCE node, you can reduce the system disk size to 20 GB.

Fixed some security issues.

v1.31.14-r0

  • CCE supports Pod Identity, which provides secure and dynamic identity credentials for pods.
  • Services and Ingresses support QUIC listeners.

In CCE Turbo clusters, you can specify the enterprise project and resource tags of an EIP when the EIP is automatically bound to a pod.

Fixed some security issues.

v1.31.6-r10

AK/SK automatic updates are supported for OBS buckets.

-

Fixed some security issues.

v1.31.6-r0

  • Service pod scheduling can be deferred until node post-installation scripts complete.
  • DataPlane V2 is available for newly created CCE clusters that use the VPC networks. After DataPlane V2 is enabled, you can configure network policies for these clusters.
  • AK/SK automatic updates are supported for parallel file systems of OBS.
  • During the creation of a LoadBalancer Service, you can configure specific IP addresses for the ELB backend.
  • AppArmor can be used to restrict container access to resources.
  • Streaming encoding is supported, significantly reducing memory pressure on control plane nodes caused by LIST requests.
  • The cce-pause container image can be protected against accidental deletion.
  • The system labels used by the NodeLocal DNSCache add-on can be protected against accidental deletion.

Fixed some security issues.

v1.31.4-r0

  • Nodes added during a node pool scale-out can be automatically bound with EIPs.
  • ELB ingresses allow you to specify backend server groups for forwarding.

-

Fixed some security issues.

v1.31.1-r0

CCE clusters v1.31 are released for the first time. For more information, see Kubernetes 1.31 Release Notes.

  • LoadBalancer ingresses support more advanced forwarding actions and return fixed responses.
  • DataPlane V2 is available for CCE Turbo clusters. After DataPlane V2 is enabled, you can configure network policies for these clusters.
  • During a cluster upgrade, you can scale out the nodes in the cluster.
  • You can choose multiple blocklists or trustlists to manage access to a LoadBalancer ingress.

-

Version 1.30

Table 5 Release notes for the v1.30 patch

CCE Cluster Patch Version

Kubernetes Version

Feature Updates

Optimization

Vulnerability Fixing

v1.30.14-r52

None

None

Fixed some security issues.

v1.30.14-r50

  • HTTPS is supported for Service/ingress health checks.

When purchasing a CCE node, you can reduce the system disk size to 20 GB.

Fixed some security issues.

v1.30.14-r40

  • CCE supports Pod Identity, which provides secure and dynamic identity credentials for pods.
  • Services and Ingresses support QUIC listeners.

In CCE Turbo clusters, you can specify the enterprise project and resource tags of an EIP when the EIP is automatically bound to a pod.

Fixed some security issues.

v1.30.10-r10

AK/SK automatic updates are supported for OBS buckets.

-

Fixed some security issues.

v1.30.6-r10

  • Nodes added during a node pool scale-out can be automatically bound with EIPs.
  • ELB ingresses allow you to specify backend server groups for forwarding.

-

Fixed some security issues.

v1.30.6-r0

  • LoadBalancer ingresses support more advanced forwarding actions and return fixed responses.
  • DataPlane V2 is available for newly created CCE standard and Turbo clusters that use VPC networks. After DataPlane V2 is enabled, you can configure network policies for these clusters.
  • During a cluster upgrade, you can scale out the nodes in the cluster.
  • You can choose multiple blocklists or trustlists to manage access to a LoadBalancer ingress.

Fixed some security issues.

v1.30.4-r0

  • LoadBalancer ingresses can forward requests based on parameters such as HTTP request methods, HTTP request headers, query strings, CIDR blocks, and cookies.
  • LoadBalancer ingresses support cross-origin access.
  • You can change a node password when updating its node pool.
  • A node can be attached with no data disks.
  • When updating a LoadBalancer ingress, you can modify the configuration of redirecting HTTP requests to HTTPS requests.
  • The default image address can be specified for Docker node pools.

Fixed some security issues.

v1.30.1-r2

-

Enhanced system stability.

Fixed some security issues.

v1.30.1-r0

CCE clusters v1.30 are released for the first time. For more information, see Kubernetes 1.30 Release Notes.

  • When deleting a cluster, CCE enables you to select which log groups to delete.
  • When a node is created using a private image, the image password can be retained.
  • CCE supports GPU rendering.

CCE can handle ELB listeners on all ports.

Fixed some security issues.

Version 1.29

Table 6 Release notes for the v1.29 patch

CCE Cluster Patch Version

Kubernetes Version

Feature Updates

Optimization

Vulnerability Fixing

v1.29.15-r52

None

None

Fixed some security issues.

v1.29.15-r50

  • HTTPS is supported for Service/ingress health checks.

When purchasing a CCE node, you can reduce the system disk size to 20 GB.

Fixed some security issues.

v1.29.15-r40

  • CCE supports Pod Identity, which provides secure and dynamic identity credentials for pods.
  • Services and Ingresses support QUIC listeners.

In CCE Turbo clusters, you can specify the enterprise project and resource tags of an EIP when the EIP is automatically bound to a pod.

Fixed some security issues.

v1.29.13-r10

AK/SK automatic updates are supported for OBS buckets.

-

Fixed some security issues.

v1.29.10-r10

  • Nodes added during a node pool scale-out can be automatically bound with EIPs.
  • ELB ingresses allow you to specify backend server groups for forwarding.

-

Fixed some security issues.

v1.29.10-r0

  • LoadBalancer ingresses support more advanced forwarding actions and return fixed responses.
  • DataPlane V2 is available for newly created CCE standard and Turbo clusters that use VPC networks. After DataPlane V2 is enabled, you can configure network policies for these clusters.
  • During a cluster upgrade, you can scale out the nodes in the cluster.
  • You can choose multiple blocklists or trustlists to manage access to a LoadBalancer ingress.

Fixed some security issues.

v1.29.8-r0

  • LoadBalancer ingresses can forward requests based on parameters such as HTTP request methods, HTTP request headers, query strings, CIDR blocks, and cookies.
  • You can change a node password when updating its node pool.
  • A node can be attached with no data disks.
  • When updating a LoadBalancer ingress, you can modify the configuration of redirecting HTTP requests to HTTPS requests.
  • The default image address can be specified for Docker node pools.

Fixed some security issues.

v1.29.2-r0

  • CCE ingresses support traffic distribution based on custom HTTP headers.
  • Scaling priority policies can be configured for third-party workloads.
  • You can configure a security group for a pod using annotations. This feature is only available for CCE Turbo clusters.
  • You can bind an existing EIP to a pod. This feature is only available for CCE Turbo clusters.
  • An in-progress node drainage can be canceled.
  • When updating a node pool, you can change its agency name, prefix, and suffix.
  • Kubernetes labels and taints of a node are retained after the node is reset.
  • Both the Kubernetes service account token volume projection and the load scaling controller can be configured.

Fixed some security issues.

v1.29.1-r0

CCE clusters v1.29 are released for the first time. For more information, see Kubernetes 1.29 Release Notes.

-

-

Version 1.28

Table 7 Release notes for the v1.28 patch

CCE Cluster Patch Version

Kubernetes Version

Feature Updates

Optimization

Vulnerability Fixing

v1.28.15-r92

None

None

Fixed some security issues.

v1.28.15-r90

  • HTTPS is supported for Service/ingress health checks.

When purchasing a CCE node, you can reduce the system disk size to 20 GB.

Fixed some security issues.

v1.28.15-r80

  • CCE supports Pod Identity, which provides secure and dynamic identity credentials for pods.
  • Services and Ingresses support QUIC listeners.

In CCE Turbo clusters, you can specify the enterprise project and resource tags of an EIP when the EIP is automatically bound to a pod.

Fixed some security issues.

v1.28.15-r30

AK/SK automatic updates are supported for OBS buckets.

-

Fixed some security issues.

v1.28.15-r10

  • Nodes added during a node pool scale-out can be automatically bound with EIPs.
  • ELB ingresses allow you to specify backend server groups for forwarding.

-

Fixed some security issues.

v1.28.15-r0

  • LoadBalancer ingresses support more advanced forwarding actions and return fixed responses.
  • DataPlane V2 is available for newly created CCE standard and Turbo clusters that use VPC networks. After DataPlane V2 is enabled, you can configure network policies for these clusters.
  • During a cluster upgrade, you can scale out the nodes in the cluster.
  • You can choose multiple blocklists or trustlists to manage access to a LoadBalancer ingress.

Fixed some security issues.

v1.28.13-r0

  • LoadBalancer ingresses can forward requests based on parameters such as HTTP request methods, HTTP request headers, query strings, CIDR blocks, and cookies.
  • You can change a node password when updating its node pool.
  • A node can be attached with no data disks.
  • When updating a LoadBalancer ingress, you can modify the configuration of redirecting HTTP requests to HTTPS requests.
  • The default image address can be specified for Docker node pools.

Fixed some security issues.

v1.28.6-r0

  • CCE ingresses support traffic distribution based on custom HTTP headers.
  • Scaling priority policies can be configured for third-party workloads.
  • You can configure a security group for a pod using annotations. This feature is only available for CCE Turbo clusters.
  • You can bind an existing EIP to a pod. This feature is only available for CCE Turbo clusters.
  • An in-progress node drainage can be canceled.
  • When updating a node pool, you can change its agency name, prefix, and suffix.
  • Kubernetes labels and taints of a node are retained after the node is reset.
  • Both the Kubernetes service account token volume projection and the load scaling controller can be configured.

Fixed some security issues.

v1.28.3-r0

LoadBalancer Services and ingresses allow you to:

  • Configure SNI.
  • Enable HTTP/2.
  • Configure idle timeout, request timeout, and response timeout.

-

Fixed some security issues.

v1.28.2-r0

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

-

Fixed some security issues.

v1.28.1-r4

-

-

Fixed CVE-2024-21626 issues.

v1.28.1-r0

CCE clusters 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 secure containers in a CCE Turbo cluster.
  • Improved the stability when secure containers are repeatedly created or deleted in a CCE Turbo cluster.

-

Version 1.27

Table 8 Release notes for the v1.27 patch

CCE Cluster Patch Version

Kubernetes Version

Feature Updates

Optimization

Vulnerability Fixing

v1.27.16-r40

AK/SK automatic updates are supported for OBS buckets.

-

Fixed some security issues.

v1.27.16-r20

  • Nodes added during a node pool scale-out can be automatically bound with EIPs.
  • ELB ingresses allow you to specify backend server groups for forwarding.

-

Fixed some security issues.

v1.27.16-r10

  • LoadBalancer ingresses support more advanced forwarding actions and return fixed responses.
  • DataPlane V2 is available for newly created CCE standard and Turbo clusters that use VPC networks. After DataPlane V2 is enabled, you can configure network policies for these clusters.
  • During a cluster upgrade, you can scale out the nodes in the cluster.
  • You can choose multiple blocklists or trustlists to manage access to a LoadBalancer ingress.

Fixed some security issues.

v1.27.16-r0

  • LoadBalancer ingresses can forward requests based on parameters such as HTTP request methods, HTTP request headers, query strings, CIDR blocks, and cookies.
  • You can change a node password when updating its node pool.
  • A node can be attached with no data disks.
  • When updating a LoadBalancer ingress, you can modify the configuration of redirecting HTTP requests to HTTPS requests.
  • The default image address can be specified for Docker node pools.

Fixed some security issues.

v1.27.8-r0

  • CCE ingresses support traffic distribution based on custom HTTP headers.
  • Scaling priority policies can be configured for third-party workloads.
  • You can configure a security group for a pod using annotations. This feature is only available for CCE Turbo clusters.
  • You can bind an existing EIP to a pod. This feature is only available for CCE Turbo clusters.
  • An in-progress node drainage can be canceled.
  • When updating a node pool, you can change its agency name, prefix, and suffix.
  • Kubernetes labels and taints of a node are retained after the node is reset.
  • Both the Kubernetes service account token volume projection and the load scaling controller can be configured.

Fixed some security issues.

v1.27.5-r0

LoadBalancer Services and ingresses allow you to:

  • Configure SNI.
  • Enable HTTP/2.
  • Configure idle timeout, request timeout, and response timeout.

-

Fixed some security issues.

v1.27.3-r4

-

-

Fixed CVE-2024-21626 issues.

v1.27.2-r0

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

-

Fixed some security issues.

v1.27.1-r10

-

Optimized the events generated during node pool scaling.

Fixed some security issues.

v1.27.1-r0

CCE clusters 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.

-

-

Version 1.25

Notice

In CCE clusters v1.25, containerd is the default runtime for nodes, except for nodes running EulerOS 2.5. In addition, clusters v1.25 or later no longer support EulerOS 2.5.

Table 9 Release notes for the v1.25 patch

CCE Cluster Patch Version

Kubernetes Version

Feature Updates

Optimization

Vulnerability Fixing

v1.25.16-r40

AK/SK automatic updates are supported for OBS buckets.

-

Fixed some security issues.

v1.25.16-r20

  • Nodes added during a node pool scale-out can be automatically bound with EIPs.
  • ELB ingresses allow you to specify backend server groups for forwarding.

-

Fixed some security issues.

v1.25.16-r10

  • LoadBalancer ingresses support more advanced forwarding actions and return fixed responses.
  • DataPlane V2 is available for newly created CCE standard and Turbo clusters that use VPC networks. After DataPlane V2 is enabled, you can configure network policies for these clusters.
  • During a cluster upgrade, you can scale out the nodes in the cluster.
  • You can choose multiple blocklists or trustlists to manage access to a LoadBalancer ingress.

Fixed some security issues.

v1.25.16-r0

  • LoadBalancer ingresses can forward requests based on parameters such as HTTP request methods, HTTP request headers, query strings, CIDR blocks, and cookies.
  • You can change a node password when updating its node pool.
  • A node can be attached with no data disks.
  • When updating a LoadBalancer ingress, you can modify the configuration of redirecting HTTP requests to HTTPS requests.
  • The default image address can be specified for Docker node pools.

Fixed some security issues.

v1.25.11-r0

  • CCE ingresses support traffic distribution based on custom HTTP headers.
  • Scaling priority policies can be configured for third-party workloads.
  • You can configure a security group for a pod using annotations. This feature is only available for CCE Turbo clusters.
  • You can bind an existing EIP to a pod. This feature is only available for CCE Turbo clusters.
  • An in-progress node drainage can be canceled.
  • When updating a node pool, you can change its agency name, prefix, and suffix.
  • Kubernetes labels and taints of a node are retained after the node is reset.
  • Both the Kubernetes service account token volume projection and the load scaling controller can be configured.

Fixed some security issues.

v1.25.8-r0

LoadBalancer Services and ingresses allow you to:

  • Configure SNI.
  • Enable HTTP/2.
  • Configure idle timeout, request timeout, and response timeout.

-

Fixed some security issues.

v1.25.6-r4

-

-

Fixed CVE-2024-21626 issues.

v1.25.5-r0

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

-

Fixed some security issues.

v1.25.4-r10

-

Optimized the events generated during node pool scaling.

Fixed some security issues.

v1.25.4-r0

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

-

Fixed some security issues.

v1.25.3-r10

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

-

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

Fixed some security issues.

v1.25.1-r0

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

-

-

Version 1.23

Table 10 Release notes for the v1.23 patch

CCE Cluster Patch Version

Kubernetes Version

Feature Updates

Optimization

Vulnerability Fixing

v1.23.18-r16

-

-

Fixed some security issues.

v1.23.18-r10

  • LoadBalancer ingresses can forward requests based on parameters such as HTTP request methods, HTTP request headers, query strings, CIDR blocks, and cookies.
  • You can change a node password when updating its node pool.
  • A node can be attached with no data disks.
  • When updating a LoadBalancer ingress, you can modify the configuration of redirecting HTTP requests to HTTPS requests.
  • The default image address can be specified for Docker node pools.

Fixed some security issues.

v1.23.16-r0

  • CCE ingresses support traffic distribution based on custom HTTP headers.
  • Scaling priority policies can be configured for third-party workloads.
  • You can configure a security group for a pod using annotations. This feature is only available for CCE Turbo clusters.
  • You can bind an existing EIP to a pod. This feature is only available for CCE Turbo clusters.
  • An in-progress node drainage can be canceled.
  • When updating a node pool, you can change its agency name, prefix, and suffix.
  • Kubernetes labels and taints of a node are retained after the node is reset.
  • Both the Kubernetes service account token volume projection and the load scaling controller can be configured.

Fixed some security issues.

v1.23.13-r0

LoadBalancer Services and ingresses allow you to:

  • Configure SNI.
  • Enable HTTP/2.
  • Configure idle timeout, request timeout, and response timeout.

-

Fixed some security issues.

v1.23.11-r4

-

-

Fixed CVE-2024-21626 issues.

v1.23.10-r0

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

-

Fixed some security issues.

v1.23.9-r10

-

Optimized the events generated during node pool scaling.

Fixed some security issues.

v1.23.9-r0

  • 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.

-

Fixed some security issues.

v1.23.8-r10

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

-

  • Enhanced Docker reliability during upgrades.
  • Optimized node time synchronization.

Fixed some security issues.

v1.23.5-r0

  • Fault detection and isolation are supported on GPU nodes.
  • Security groups can be customized by cluster.
  • CCE Turbo clusters support network interface 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

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

-

-

Version 1.21

Table 11 Release notes for the v1.21 patch

CCE Cluster Patch Version

Kubernetes Version

Feature Updates

Optimization

Vulnerability Fixing

v1.21.14-r0

A PVC can be used to dynamically create and mount an SFS Turbo subdirectory.

-

Fixed some security issues.

v1.21.12-r4

-

-

Fixed CVE-2024-21626 issues.

v1.21.11-r20

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

-

Fixed some security issues.

v1.21.11-r10

-

Optimized the events generated during node pool scaling.

Fixed some security issues.

v1.21.11-r0

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

-

Fixed some security issues.

v1.21.10-r10

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

-

  • 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

  • Fault detection and isolation are supported on GPU nodes.
  • Security groups can be customized by cluster.
  • CCE Turbo clusters support network interface pre-binding by node.

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

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

-

-

Version 1.19

Table 12 Release notes for the v1.19 patch

CCE Cluster Patch Version

Kubernetes Version

Feature Updates

Optimization

Vulnerability Fixing

1.19.16-r84

-

-

Fixed CVE-2024-21626 issues.

v1.19.16-r60

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

-

Fixed some security issues.

v1.19.16-r50

-

Optimized the events generated during node pool scaling.

Fixed some security issues.

v1.19.16-r40

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

-

Fixed some security issues.

v1.19.16-r30

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

-

  • Cloud Native Network 2.0 allows 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 network interfaces if not all network interfaces are pre-bound.

Fixed some security issues.

v1.19.16-r4

  • Fault detection and isolation are supported on GPU nodes.
  • Security groups can be customized by cluster.
  • CCE Turbo clusters support network interface 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

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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

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

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