- kubeadm: JoinConfiguration now houses the discovery options in a nested Discovery structure, which in turn has a couple of other nested structures to house more specific options (BootstrapTokenDiscovery and FileDiscovery) ([#67763](https://github.com/kubernetes/kubernetes/pull/67763), [@rosti](https://github.com/rosti))

- The CustomResourcePublishOpenAPI feature is now beta and enabled by default. CustomResourceDefinitions with [structural schemas](https://github.com/kubernetes/enhancements/blob/master/keps/sig-api-machinery/20190425-structural-openapi.md) now publish schemas in the OpenAPI document served at `/openapi/v2`. CustomResourceDefinitions with non-structural schemas have a `NonStructuralSchema` condition added with details about what needs to be corrected in the validation schema. ([...

<p>
For an equation of the form <code>X ≡<sub>A</sub> Y</code>,
where <code>X</code> and <code>Y</code> are types involved
in an assignment (including parameter passing and return statements),
the top-level type structures may unify loosely but element types
must unify exactly, matching the rules for assignments.
</p>

<p>
For an equation of the form <code>P ≡<sub>C</sub> C</code>,

### Structured Logging in Kubelet

It is likely that `v1alpha2` will be removed in one of the future Kubernetes releases to be able to develop `v1`.

### Structured logging graduate to Beta

Structured logging reached its Beta milestone. Most log messages from kubelet and kube-scheduler have been converted. Users are encouraged to try out JSON output or parsing of the structured text format and provide feedback on possible solutions for the open issues, such as handling of multi-line strings in log values.

- Disallow `k8s.io` and `kubernetes.io` namespaced extra key in structured authentication configuration. ([#126553](https://github.com/kubernetes/kubernetes/pull/126553), [@aramase](https://github.com/aramase)) [SIG Auth]

## Dependencies

### Added
- sigs.k8s.io/structured-merge-diff/v6: v6.2.0

### Changed
- k8s.io/kube-openapi: d90c4fd → f3f2b99

### Removed
- sigs.k8s.io/structured-merge-diff/v4: v4.7.0



# v1.34.0-alpha.3


## Downloads for v1.34.0-alpha.3



### Source Code

   ([#123508](https://github.com/kubernetes/kubernetes/pull/123508), [@saschagrunert](https://github.com/saschagrunert))
- Dynamic Resource Allocation: DRA drivers can now use "structured parameters" to let the scheduler handle claim allocation.
   ([#123516](https://github.com/kubernetes/kubernetes/pull/123516), [@pohly](https://github.com/pohly))

- Migrate `proxy/ipvs/proxier.go` logs to structured logging. ([#97796](https://github.com/kubernetes/kubernetes/pull/97796), [@JornShen](https://github.com/JornShen))
- Migrate `staging/src/k8s.io/apiserver/pkg/registry` logs to structured logging. ([#98287](https://github.com/kubernetes/kubernetes/pull/98287), [@lala123912](https://github.com/lala123912))

- K8s.io/apimachinery/pkg/util/runtime: Added support for new calls to handle panics and errors in the context where they occur. `PanicHandlers` and `ErrorHandlers` now must accept a context parameter for that. Log output is structured instead of unstructured. ([#121970](https://github.com/kubernetes/kubernetes/pull/121970), [@pohly](https://github.com/pohly)) [SIG API Machinery and Instrumentation]