## Expected Behavior
<!--- If you're describing a bug, tell us what should happen -->
<!--- If you're suggesting a change/improvement, tell us how it should work -->

## Current Behavior
<!--- If describing a bug, tell us what happens instead of the expected behavior -->
<!--- If suggesting a change/improvement, explain the difference from current behavior -->

## Possible Solution

## Expected Behavior
<!--- If you're describing a bug, tell us what should happen -->
<!--- If you're suggesting a change/improvement, tell us how it should work -->

## Current Behavior
<!--- If describing a bug, tell us what happens instead of the expected behavior -->
<!--- If suggesting a change/improvement, explain the difference from current behavior -->

## Possible Solution

    // javax.net.ssl.SSLHandshakeException: No new session is allowed and no existing
    // session can be resumed
    //
    // Report https://bugs.java.com/bugdatabase/view_bug.do?bug_id=JDK-8264944
    // Sessions improvement https://bugs.java.com/bugdatabase/view_bug.do?bug_id=JDK-8245576
    if (!platform.isJdk9() && !platform.isOpenJsse() && !platform.isJdk8Alpn()) {
      reuseSession = true
    }

# disable_pgv: disables protoc-gen-validation. This is not used buts adds many MB to Envoy protos
# not set vtprotobuf: this adds some performance improvement, but at a binary cost increase that is not worth it for the agent
AGENT_TAGS=agent,disable_pgv
# disable_pgv: disables protoc-gen-validation. This is not used buts adds many MB to Envoy protos

    - [CustomResourceDefinition OpenAPI Publishing](#customresourcedefinition-openapi-publishing)
  - [Cluster Lifecycle Stability and Usability Improvements](#cluster-lifecycle-stability-and-usability-improvements)
  - [Continued improvement of CSI](#continued-improvement-of-csi)
    - [Additional Notable Feature Updates](#additional-notable-feature-updates)
  - [Known Issues](#known-issues)

- Modified the error message of `unmanagedFatal` to enhance clarity while preserving grammatical consistency with `unmanagedWarning`. This improvement ensures a more understandable prompt for users. ([#120159](https://github.com/kubernetes/kubernetes/pull/120159), [@Ithrael](https://github.com/Ithrael))

### Failing Test

### Migration

  - Some kubeadm commands are now allowed to work in a completely offline mode.
- Certificate handling improvements:
  - Renew certs as part of upgrade.
  - New `kubeadm alpha phase certs renew` command for renewing certificates.
  - Certificates created with kubeadm now have improved uniqueness of Distinguished Name fields.
- HA improvements:

    - [Added metrics](#added-metrics)
    - [Deprecated/changed metrics](#deprecatedchanged-metrics)
  - [Notable Features](#notable-features)
    - [Stable](#stable)
    - [Beta](#beta)
    - [CLI Improvements](#cli-improvements)
  - [API Changes](#api-changes)
  - [Other notable changes](#other-notable-changes-1)
    - [API Machinery](#api-machinery)
    - [Apps](#apps)
    - [Auth](#auth)
    - [CLI](#cli)

For the 1.8 release, SIG Node continued to focus
on a broad set of workload types, including hardware and performance
sensitive workloads such as data analytics and deep learning. The SIG also
delivered incremental improvements to node reliability.

[SIG Node]: https://github.com/kubernetes/community/tree/master/sig-node

### SIG Network

[SIG Network][] is responsible for networking components, APIs, and plugins in Kubernetes.