- The deprecated feature gates `RotateKubeletClientCertificate`, `AttachVolumeLimit`, `VolumePVCDataSource` and `EvenPodsSpread` are now unconditionally enabled and can no longer be specified in component invocations. ([#97306](https://github.com/kubernetes/kubernetes/pull/97306), [@gavi...

*   Masquerading rules are now added by default to GCE/GKE ([#55178](https://github.com/kubernetes/kubernetes/pull/55178),[ @dnardo](https://github.com/dnardo))
*   Fixed master startup issues with concurrent iptables invocations. ([#55945](https://github.com/kubernetes/kubernetes/pull/55945),[ @x13n](https://github.com/x13n))

- The deprecated feature gates GCERegionalPersistentDisk, EnableAggregatedDiscoveryTimeout and PersistentLocalVolumes are now unconditionally enabled and can no longer be specified in component invocations. ([#82472](https://github.com/kubernetes/kubernetes/pull/82472), [@draveness](https://github.com/draveness))

* 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

[Documentation](https://docs.k8s.io) & [Examples](https://releases.k8s.io/release-1.8/examples)

- Kube-proxy: removed log warning about not using config file. ([#118115](https://github.com/kubernetes/kubernetes/pull/118115), [@TommyStarK](https://github.com/TommyStarK)) [SIG Network]
- Made Job controller batching of syncJob invocations enabled unconditionally (it was conditional on JobReadyPods feature before).

* The feature gates `ReadOnlyAPIDataVolumes` and `ServiceProxyAllowExternalIPs`, deprecated since 1.10, have been removed and any references must be removed from command-line invocations. ([#67951](https://github.com/kubernetes/kubernetes/pull/67951), [@liggitt](https://github.com/liggitt))

- The following deprecated metrics are removed, please convert to the corresponding metrics:
  - The following replacement metrics are available from v1.14.0:

- kube-controller-manager
  - The deprecated `--insecure-experimental-approve-all-kubelet-csrs-for-group` flag has been removed.
- kubelet

 - Conformance image is now built with Distroless. Users running Conformance testing should rely on container entrypoint instead of manual invocation to `/run_e2e.sh` or `/gorunner`, as they are now deprecated and will be removed in 1.25 release. Invoking `ginkgo` and `e2e.test` are still supported through overriding entrypoint (docker) or defining container `spec.command` (kubernetes). ([#9...

- Kubectl: restored `--dry-run`, `--dry-run=true`, and `--dry-run=false` for compatibility with pre-1.23 invocations. ([#107003](https://github.com/kubernetes/kubernetes/pull/107003), [@julianvmodesto](https://github.com/julianvmodesto))