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Update content/en/blog/_posts/2022-10-18-kubernetes-1.26-deprecations…
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…-and-removals.md

Co-authored-by: Sergey Kanzhelev <[email protected]>
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fsmunoz and SergeyKanzhelev authored Nov 16, 2022
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Expand Up @@ -23,7 +23,7 @@ Whether an API is removed as a result of a feature graduating from beta to stabl

Following the adoption of the [Container Runtime Interface](https://kubernetes.io/docs/concepts/architecture/cri/) (CRI) and the [removal of dockershim] in v1.24 , the CRI API is the way through which Kubernetes interacts with the different container runtimes, with the kubelet communicating with them through a specific CRI API version. Currently, that version is `v1`, but the kubelet can also negotiate the use of CRI `v1alpha2`, even though it's considered deprecated.

This version will [remove CRI `v1alpha2` support](https://github.com/kubernetes/kubernetes/pull/110618) entirely, which will result in the kubelet not registering the node if the container runtime doesn't support `v1`. This means that [containerd 1.5](https://github.com/containerd/containerd/blob/main/RELEASES.md), which only supports `v1alpha2`, will not be supported in Kubernetes 1.26, and as such upgrading to containerd 1.6 must be done before upgrading to Kubernetes v1.26. Other container runtimes that only support the `v1alpha2` are equally affected: users should contact their container runtime vendor for additional instructions in how to move forward.
This version will [remove CRI `v1alpha2` support](https://github.com/kubernetes/kubernetes/pull/110618) entirely, which will result in the kubelet not registering the node if the container runtime doesn't support `v1`. This means that [containerd 1.5](https://github.com/containerd/containerd/blob/main/RELEASES.md), which only supports `v1alpha2`, will not be supported in Kubernetes 1.26, and as such upgrading to containerd version 1.6 or higher must be done before upgrading to Kubernetes v1.26. Other container runtimes that only support the `v1alpha2` are equally affected: users should contact their container runtime vendor for additional instructions in how to move forward. Note, that there are tools like [stargz-snapshotter](https://github.com/containerd/stargz-snapshotter) that act as a proxy between kubelet and container runtime and those also might be affected.

## Deprecations and removals in Kubernetes v1.26

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