* Add a flag allowing contention profiling of the API server ([#36756](https://github.com/kubernetes/kubernetes/pull/36756), [@gmarek](https://github.com/gmarek))
* Rename `--cgroups-per-qos` to `--experimental-cgroups-per-qos` in Kubelet ([#36767](https://github.com/kubernetes/kubernetes/pull/36767), [@vishh](https://github.com/vishh))

- The `apiserver` exposes 4 new metrics that allow to track the status of the Service CIDRs allocations:
      - current number of available IPs per Service CIDR
      - current number of used IPs per Service CIDR
      - total number of allocation per Service CIDR
      - total number of allocation errors per ServiceCIDR ([#104119](https://github.com/kubernetes/kubernetes/pull/104119), [@aojea](https://github.com/aojea))

- github.com/hashicorp/mdns: [v1.0.0](https://github.com/hashicorp/mdns/tree/v1.0.0)
- github.com/hashicorp/memberlist: [v0.1.3](https://github.com/hashicorp/memberlist/tree/v0.1.3)
- github.com/hashicorp/serf: [v0.8.2](https://github.com/hashicorp/serf/tree/v0.8.2)
- github.com/jmespath/go-jmespath/internal/testify: [v1.5.1](https://github.com/jmespath/go-jmespath/internal/testify/tree/v1.5.1)

- github.com/hashicorp/mdns: [v1.0.0](https://github.com/hashicorp/mdns/tree/v1.0.0)
- github.com/hashicorp/memberlist: [v0.1.3](https://github.com/hashicorp/memberlist/tree/v0.1.3)
- github.com/hashicorp/serf: [v0.8.2](https://github.com/hashicorp/serf/tree/v0.8.2)
- github.com/magiconair/properties: [v1.8.5](https://github.com/magiconair/properties/tree/v1.8.5)
- github.com/mattn/go-colorable: [v0.0.9](https://github.com/mattn/go-colorable/tree/v0.0.9)

You can read more in the official blog post [Kubernetes Release Cadence Change: Here’s What You Need To Know](https://blog.k8s.io/2021/07/20/new-kubernetes-release-cadence/).

* azure: update disk lock logic per vm during attach/detach to allow concurrent updates for different nodes. ([#85115](https://github.com/kubernetes/kubernetes/pull/85115), [@aramase](https://github.com/aramase))

- **Node**
  - [alpha] Publish node performance dashboard at http://node-perf-dash.k8s.io/#/builds ([docs](https://github.com/kubernetes/contrib/blob/master/node-perf-dash/README.md)) ([kubernetes/features#83](https://github.com/kubernetes/enhancements/issues/83))

## Changes since v1.1.1

### Major Themes

  * <strong>Significant scale improvements</strong>. Increased cluster scale by 400% to 1000 nodes with 30,000 pods per cluster.
Kubelet supports 100 pods per node with 4x reduced system overhead.
  * <strong>Simplified application deployment and management. </strong>
     * Dynamic Configuration (ConfigMap API in the core API group) enables application

* Adding nodeports services to quota ([#22154](https://github.com/kubernetes/kubernetes/pull/22154), [@sdminonne](https://github.com/sdminonne))
* e2e: adapt kubelet_perf.go to use the new summary metrics API ([#24003](https://github.com/kubernetes/kubernetes/pull/24003), [@yujuhong](https://github.com/yujuhong))

* Kubectl taint node based on label selector ([#44740](https://github.com/kubernetes/kubernetes/pull/44740), [@ravisantoshgudimetla](https://github.com/ravisantoshgudimetla))
* Scheduler perf modular extensions. ([#44770](https://github.com/kubernetes/kubernetes/pull/44770), [@ravisantoshgudimetla](https://github.com/ravisantoshgudimetla))



# v1.7.0-alpha.3