- Kubeadm: Some text in the `kubeadm upgrade plan` output has changed. If you have scripts or other automation that parses this output, please review these changes and update your scripts to account for the new output. ([#98728](https://github.com/kubernetes/kubernetes/pull/98728), [@stmcginnis](https://github.com/stmcginnis)) [SIG Cluster Lifecycle]

- Added the `applyconfiguration` generator to the code-generator script that generates server-side apply configuration and client APIs ([#114987](https://github.com/kubernetes/kubernetes/pull/114987), [@astefanutti](https://github.com/astefanutti))

* API discovery failures no longer crash the kube controller manager via the garbage collector. ([#55259](https://github.com/kubernetes/kubernetes/pull/55259), [@ironcladlou](https://github.com/ironcladlou))
* Fix bug where master startup script on GCP failed randomly due to concurrent iptables invocations. ([#55945](https://github.com/kubernetes/kubernetes/pull/55945), [@x13n](https://github.com/x13n))



# v1.8.4

- Projects which use k8s.io/code-generator and invoke `generate-groups` or `generate-internal-groups.sh` have a new, simpler script (`kube_codegen.sh`) they can use.  The old scripts are deprecated but remain intact. ([#117262](https://github.com/kubernetes/kubernetes/pull/117262), [@thockin](https://github.com/thockin)) [SIG API Machinery and Instrumentation]

- github.com/benbjohnson/clock: [v1.0.3 → v1.1.0](https://github.com/benbjohnson/clock/compare/v1.0.3...v1.1.0)
- github.com/bketelsen/crypt: [5cbc8cc → v0.0.4](https://github.com/bketelsen/crypt/compare/5cbc8cc...v0.0.4)
- github.com/containerd/cgroups: [0dbf7f0 → v1.0.1](https://github.com/containerd/cgroups/compare/0dbf7f0...v1.0.1)

- github.com/bits-and-blooms/bitset: [v1.2.0](https://github.com/bits-and-blooms/bitset/tree/v1.2.0)
- github.com/bketelsen/crypt: [v0.0.4](https://github.com/bketelsen/crypt/tree/v0.0.4)
- github.com/containernetworking/cni: [v0.8.1](https://github.com/containernetworking/cni/tree/v0.8.1)
- github.com/fatih/color: [v1.7.0](https://github.com/fatih/color/tree/v1.7.0)

- KCM specific args can be passed with `/cluster` script, without affecting CCM. New variable name: `KUBE_CONTROLLER_MANAGER_TEST_ARGS`. ([#120524](https://github.com/kubernetes/kubernetes/pull/120524), [@jprzychodzen](https://github.com/jprzychodzen)) [SIG Cloud Provider]

- github.com/armon/go-radix: [7fddfc3](https://github.com/armon/go-radix/tree/7fddfc3)
- github.com/bgentry/speakeasy: [v0.1.0](https://github.com/bgentry/speakeasy/tree/v0.1.0)
- github.com/bketelsen/crypt: [5cbc8cc](https://github.com/bketelsen/crypt/tree/5cbc8cc)
- github.com/cenkalti/backoff/v4: [v4.1.3](https://github.com/cenkalti/backoff/v4/tree/v4.1.3)
- github.com/cespare/xxhash: [v1.1.0](https://github.com/cespare/xxhash/tree/v1.1.0)