## Urgent Upgrade Notes 

### (No, really, you MUST read this before you upgrade)

- 'The `IPv6DualStack` feature gate for external cloud providers was removed.
  (The feature became GA in 1.23 and the gate was removed for all other
  components several releases ago.) If you were still manually

- The `StartupProbe` feature gate that is GA since v1.20 is unconditionally enabled, and can no longer be specified via the `--feature-gates` argument. ([#104168](https://github.com/kubernetes/kubernetes/pull/104168), [@ialidzhikov](https://github.com/ialidzhikov))

* Add kubelet_node_name metrics. ([#72910](https://github.com/kubernetes/kubernetes/pull/72910), [@danielqsj](https://github.com/danielqsj))
* The HugePages feature gate has graduated to GA, and can no longer be disabled. The feature gate will be removed in v1.16 ([#72785](https://github.com/kubernetes/kubernetes/pull/72785), [@derekwaynecarr](https://github.com/derekwaynecarr))

- This PR will introduce a feature gate CSIServiceAccountToken with two additional fields in `CSIDriverSpec`. ([#93130](https://github.com...

- The `EndpointSliceTerminatingCondition` feature gate was graduated to GA. The gate is now locked and will be removed in v1.28. ([#113351](https://github.com/kubernetes/kubernetes/pull/113351), [@andrewsykim](https://github.com/andrewsykim))
- `DynamicKubeletConfig` feature gate has been removed from the API server.
  Dynamic kubelet reconfiguration now can't be used even when older nodes are still

## Notable Features
### Stable
- Graduate ScheduleDaemonSetPods to GA. (feature gate will be removed in 1.18) ([#82795](https://github.com/kubernetes/kubernetes/pull/82795), [@draveness](https://github.com/draveness))
- Graduate TaintNodesByCondition to GA in 1.17. (feature gate will be removed in 1.18) ([#82703](https://github.com/kubernetes/kubernetes/pull/82703), [@draveness](https://github.com/draveness))

- The `AttachVolumeLimit` feature gate (GA since v1.17) has been removed and now unconditionally enabled. ([#96539](https://github.com/kubernetes/kubernetes/pull/96539), [@ialidzhikov](https://github.com/ialidzhikov))

- Feature gate `CSIMigration` was locked to enabled. `CSIMigration` is GA now. The feature gate will be removed in `v1.27`. ([#110410](https://github.com/kubernetes/kubernetes/pull/110410), [@Jiawei0227](https://github.com/Jiawei0227))

- The feature gate was mentioned as `csiMigrationRBD` where it should have been `CSIMigrationRBD` to be in parity with other migration plugins. This release correct the same and keep it as `CSIMigrationRBD`.

- The `DefaultIngressClass` feature is now GA. The `--feature-gate` parameter will be removed in 1.20. ([#91957](https://github.com/kubernetes/kubernetes/pull/91957), [@cmluciano](https://github.com/cmluciano)) [SIG API Machinery, Apps, Network and Testing]