of Extended Backus-Naur Form (EBNF):
</p>

<pre class="grammar">
Syntax      = { Production } .
Production  = production_name "=" [ Expression ] "." .
Expression  = Term { "|" Term } .
Term        = Factor { Factor } .
Factor      = production_name | token [ "…" token ] | Group | Option | Repetition .
Group       = "(" Expression ")" .
Option      = "[" Expression "]" .

com/presentation/d/1QUOsQxfEfHlMq4lPjlK2ewQHsr9peEKymDw5_XwZm8Q/edit?usp=sharing)). Bug fixes across bare metal tooling and production-ready user stories, such as the high availability use cases have been given priority for 1.15.

kubeadm, the cluster lifecycle building block, continues to receive features and stability work required for bootstrapping production clusters efficiently. kubeadm has promoted high availability (HA) capability to beta, allowing users to use the familiar `kubeadm...

- [`KT-59408`](https://youtrack.jetbrains.com/issue/KT-59408) K2: Missing MULTIPLE_DEFAULTS_INHERITED_FROM_SUPERTYPES
- [`KT-61409`](https://youtrack.jetbrains.com/issue/KT-61409) Kotlin/Native: crash in kmm-production-sample (compose-app) with escape analysis enabled
- [`KT-57329`](https://youtrack.jetbrains.com/issue/KT-57329) K/N IR linkage issues due to the combination of static caches w/ Lazy IR & Compose compiler plugin

### Instrumentation

In v1.9 we focused on improving stability of the components owned by the SIG, including Heapster, Custom Metrics API adapters for Prometheus, and Stackdriver.

now always set to "systemd" unless the user is explicit about it. This requires existing machine setups to configure the container runtime to use the "systemd" driver. Documentation on this topic can be found here: https://kubernetes.io/docs/setup/production-environment/container-runtimes/. When upgrading existing clusters / nodes using "kubeadm upgrade" the old cgroupDriver value is preserved, but in 1.22 this change will also apply to "upgrade". For more information on migrating to the "systemd" driver...

## Changelog since v1.10.5

### Action Required

CSI was first introduction as alpha in Kubernetes v1.9 and moved to beta in Kubernetes v1.10.

You can find a list of sample and production drivers in the [CSI Documentation](https://kubernetes.io/docs/concepts/storage/volumes/#csi).

## **Major Themes**

Kubernetes 1.7 is a milestone release that adds security, stateful application, and extensibility features motivated by widespread production use of Kubernetes.

[SIG Cluster Lifecycle]: https://github.com/kubernetes/community/tree/master/sig-cluster-lifecycle

### SIG Instrumentation

[SIG Instrumentation][] is responsible for metrics production and
collection.

For the 1.8 release, SIG Instrumentation focused on stabilizing the APIs
and components that are required to support the new version of the Horizontal Pod

## Known Issues

### Etcd v3.5.[0-2] data corruption

Data corruption issue was found in etcd v3.5.0 release that was shipped with 1.22 Kubernetes release. Please read up-to-date [production recommendations for etcd](https://github.com/etcd-io/etcd/tree/main/CHANGELOG).

## Changes by Kind

### Deprecation