# Change History

Table 1 Change history
Released On | What's New
--- | ---
2022-08-27 | EulerOS 2.9 is supported. For details, see OS Patch Notes for Cluster Nodes.
2022-07-13 | Supported egress rules. For details, see Network Policies.

2022-05-24

- Supported the creation of clusters of v1.23.
- Allowed cluster upgrade from v1.21 to v1.23.

2022-05-16 | Added Linux Polkit Privilege Escalation Vulnerability (CVE-2021-4034).
2022-04-14 | Allowed cluster upgrade from v1.19 to v1.21. For details, see Performing In-place Upgrade.

2022-03-24

- Supported the creation of clusters of v1.21.
- Two-way authentication is supported for domain name access. For details, see Two-Way Authentication for Domain Names.
- The Docker storage mode of nodes running CentOS 7 in CCE clusters is changed from Device Mapper to OverlayFS. For details, see Node Overview.

2022-02-17

Supported the creation of CCE Turbo Cluster.

- Added CCE Turbo Clusters and CCE Clusters.
- Added Creating a CCE Turbo Cluster.
- Added Creating a Node in a CCE Turbo Cluster.
- Added ENI LoadBalancer.
- Added SecurityGroups.

2021-12-14 | The validity period of the certificate of cluster can be configured. For details, see Obtaining a Cluster Certificate.

2021-11-30

- Added Removing a Node.
- Added Configuring Node Scheduling (Tainting).

2021-11-15

- Supported the creation of clusters of v1.19.10.
- SFS and OBS mount options can be configured. For details, see Setting Mount Options.
- Custom keys are supported for OBS. For details, see Using a Custom AK/SK to Mount an OBS Volume.

2021-06-23

- Updated autoscaler.
  - Added values HA50, HA200, and Custom for Add-on Specifications.
  - Updated parameter names to Scale-in Cooldown After Scale-out, Scale-in Cooldown After Node Deletion, and Scale-in Cooldown After Failure.

2021-05-21

- Supported the creation of clusters of v1.19.8.
- Clusters of v1.17 can be upgraded to v1.19.
- Supported Pod Security Policies.
- Deleted the description of Open source images.
- Deleted the description of DNAT.

2021-01-30

- Updated Creating a CCE Cluster.
- Updated Upgrading a Cluster.
- Updated Managing a Node Pool.
- Updated Ingress.

2020-11-02 | Allowed cluster upgrade from v1.15 to v1.17.
2020-09-25 | Supported clusters of v1.17.9.
2020-07-17 | Updated the description of GPU-accelerated nodes.
2020-03-25 | Supported clusters of v1.15.6.
2020-02-21 | Updated Namespaces.

2019-10-30

- Added the gpu-beta add-on.
- Revised descriptions to indicate support for creating Kubernetes clusters 1.13.10.
- Added the Encryption parameter for creating EVS or SFS volumes.
- Supported downloading of cluster certificates.
- Supported selection of multiple subnets when a node is added to a cluster of 1.13.10.

2019-09-30

- Added permission management.
- Supported workload creation in YAML mode and online editing of the YAML file.
- Supported pool management.

2019-09-11 | Updated Migrating Data from CCE 1.0 to CCE 2.0.
2019-09-03 | Revised descriptions according to the suggestions raised in UAT.

2019-07-30

- Allows users to modify Maximum Number of Unavailable Pods after creating an application.
- Allows users to add pod scheduling policies after creating an application. For details, see Affinity and Anti-Affinity Scheduling.

2019-07-29 | Revised descriptions according to the suggestions raised in UAT.

2019-07-25

- Allows users to configure network policies.
- Allows users to configure the command lines that will be injected into a node when adding a node.

2019-07-15

- Added 4.9-Affinity and Anti-Affinity Scheduling.
- Added 17.4-Solution to the Linux Kernel SACK Vulnerabilities.

2019-07-11 | Revised descriptions according to the suggestions raised in UAT.

2019-06-30

- Added management of the coredns, storage-driver, and autoscaler add-ons. coredns and storage-driver are mandatory for clusters of Kubernetes v1.11. For details, see 12-Add-on Management and 3.3-Creating a Hybrid Cluster.
- Added the support for cluster and EIP binding to enable two-way authentication. For details, see 3.3-Creating a Hybrid Cluster and 3.4-Creating a BMS Cluster.
- Added the support for configuration of VM clusters of Kubernetes v1.11.7 and service network segments. For details, see 3.3-Creating a VM Cluster.
- Added the support for configuration of system resources during node creation. For details, see 3.7-Creating a Node in a Hybrid Cluster.
- Added the support for cluster upgrade from v1.9 to v1.11. For details, see 3.11-Upgrading a Cluster.

2019-05-30

- Added application lifecycle management and health checking. For details, see 4.6-Setting Container Lifecycle, 4.7-Setting Container Startup Command, 4.8-Checking the Health of Containers.
- Added job lifecycle management. For details, see 6-Job Management.
- Added Container Network Segment and Advanced Settings to the Create Hybrid Cluster page. For details, see 3.3-Creating a Hybrid Cluster.
- Updated the example nginx-deployment.yaml and nginx-elb-svc.yaml files that are used to deploy a CCE service and automatically create a load balancer. For details, see 5.5-External Access - Elastic Load Balancer.
- Added the guidelines for configuring CoreDNS HA by using kubectl. For details, see 3.6-Configuring kube-dns/CoreDNS HA Using kubectl.

2019-05-10 | Added 14-CTS.

2019-04-29

- Described privileged containers and security context in 4.2-Creating a Stateless Application and 4.3-Creating a Stateful Application.
- Updated 4.4-Upgrading an Application.
- Added the support for automatic creation of enhanced load balancers. For details, see 5.3-Intra-VPC Access, 5.5-External Access - Elastic Load Balancer, and 5.6-Layer 7 Load Balancing (Ingress).
- Revised descriptions in the previous issue.

2019-03-13

- Revised descriptions to indicate support for creating Kubernetes clusters 1.11.3.
- Added an example of automatically creating a load balancer when creating a service using YAML. For details, see 4.2-Creating a Stateless Application Using kubectl and 5.5-Implementing Public Network Access (ELB) Using kubectl.

2019-02-22

- Accepted in OTC-4.0/Agile-02.2019.
- Added a note describing that automatically created storage volumes are not tagged in 4.2-Creating a Stateless Application, 4.3-Creating a Stateful Application, 8.3-Using EVS Disks, and 8.4-Using SFS File Systems.

2019-02-15

- Revised descriptions according to the suggestions raised in UAT.
- Updated 17.3-Connecting to a Kubernetes Cluster Using Helm.

2019-01-29 | Revised descriptions according to the suggestions raised in UAT.

2019-01-15

- Revised the description in 5.6-1.
- Revised descriptions in the previous issue.

2019-01-03

- Added the DeH parameter in 3.3-Table Parameters for creating a node.
- Added 5.6-Layer 7 Load Balancing (Ingress).
- Added the procedure for setting the access mode after an application is created in 5.2-Intra-Cluster Access, 5.3-Intra-VPC Access, 5.4-External Access - Elastic IP Address, and 5.5-External Access - Elastic Load Balancer.
- Modified the installation and uninstallation procedures in 3.4-Adding Existing Nodes to a BMS Cluster.
- Revised descriptions in the previous issue.

2018-12-03

- Added 17.3-Connecting to a Kubernetes Cluster Using Helm.
- Revised descriptions in the previous issue.

2018-11-15

- Added the operation of checking whether the compressed package is correct in 10.2-Using a Kubernetes Official Template Package.
- Revised descriptions in the previous issue.

2018-11-12 | Revised descriptions in the previous issue.
2018-11-09 | Accepted in OTC 3.2.
2018-11-07 | Added the description of annotations to the nginx-elb-svc.yaml file in step2 of 5.5-Implementing Public Network Access (ELB) Using kubectl.
2018-10-19 | Updated the sensitive information with sample value. For details, see 3.4-Adding Existing Nodes to a BMS Cluster.
2018-10-10 | Added the description of the applications heapster-apiserver and kube-dns automatically generated when a cluster is created. For details, see 3.3-Creating a Hybrid Cluster.
2018-09-25 | Added the description of obtaining a Long-Term Valid Docker Login Command. For details, see 11.9-Obtaining a Long-Term Valid Docker Login Command.

2018-09-15

- Added a step to the procedure of adding a node to a BMS cluster. For details, see 3.4-Adding Existing Nodes to a BMS Cluster.
- Deleted the EVS and ELB related constraints. For details, see 3.4-Constraints.
- Added the description of DeH in 3.7-Table Parameters for creating a node.

2018-09-05

- Only manual scaling is supported by stateful applications. For details, see 4.10-Manual Scaling.
- Added the procedure for creating BMS clusters.
- Added the description of using the existing EVS disk to create a PV and binding the PV to a PVC. For details, see 8.3-Creating a PV/PVC for an Existing EVS Disk Using kubectl.
- Added the description of using the existing file system to create a PV and binding the PV to a PVC. For details, see 8.4-Creating a PV/PVC for an Existing File System Using kubectl.

2018-07-25

- Added the description of using EVS disks. For details, see 10.5-Using an EVS Disk.
- Added the description of using load balancers. For details, see 10.6-Using Load Balancers.
- Only manual scaling is supported by stateful applications. For details, see 4.10-Manual Scaling.
- Deleted the procedure for creating BMS clusters.

2018-06-21

- Added the description of the intra-VPC load balancing function. For details, see 5.3-Intra-VPC Access.
- Updated some UI elements.

2018-06-07 | Added the description of configuring the image repository name in 11.2-Table Parameters for creating an image repository.

2018-06-01

- Updated descriptions of console-related operations.
- Accepted the modifications in OTC 3.1.

2018-05-26

- Updated the description of the CCE. CCE provides enhanced functions based on Kubernetes. See 1.1-Basic Concepts.
- Updated the procedure for creating an application in Getting Started. A third-party image is used instead of a private image to create an application. See 2.3-Creating a Containerized Application.
- Updated the description of cluster HA. See 3.3-Creating a Hybrid Cluster.
- Deleted section "Upgrading a Cluster". The cluster of the latest version is used, which cannot be upgraded.
- Added information that describes when the cluster is unavailable. See 3.13-Cluster Statuses.
- Updated the description of Intra-VPC Access in section "Application Access Settings". Currently, the ELB is not supported. See 5.3-Intra-VPC Access.
- Added the description of necessary concepts in section "Container Orchestration". See 10.1-Basic Concepts.
- Deleted section "How Do I Prepare a Docker Image". This is the basic concept about Docker and does not need to be described.
- Added sections 3.4-Creating a BMS Cluster and 4.13-Using a Third-party Image to Create an Application.

2018-04-28 | This issue is the first official release.