- Changed how the API server handles updates to `.spec.defaultBackend` of Ingress objects.

### Other (Cleanup or Flake)

- Kube-apiserver: sets an upper-bound on the lifetime of idle keep-alive connections and time to read the headers of incoming requests ([#103958](https://github.com/kubernetes/kubernetes/pull/103958), [@liggitt](https://github.com/liggitt)) [SIG API Machinery and Node]

          <type>String</type>
          <required>true</required>
          <description>The unique id for this report set, to be used during POM inheritance and profile injection
            for merging of report sets.
          </description>
          <defaultValue>default</defaultValue>
        </field>
        <field>
          <name>reports</name>
          <version>4.0.0+</version>

- **Volume Extension**: There are quite a few enhancements in this release that pertain to volumes and volume modifications. Volume resizing support in CSI specs is moving to beta which allows for any CSI spec volume plugin to be resizable.

### Additional Notable Feature Updates

&ilm--nx?tom--nx??u&-edr--nx?s??øms??muar?n&0-tsr--nx?2-dob--nx?5-&asir--nx?tals--nx??a&r!-i-om?f?t??t??douvsatvid?kiv?m&os?øs??n&od?ød??ra?sen?t&aouvatheig?ouv&a&c&ch&ab?áb??h&ab?áb???n??i&ag?ág??sa&mo?ttvid??án???z-rey--nx?ær&f?t???o&p-&ladr--nx?sens--nx??q-nagv--nx?r-asns--nx?s-kjks--nx?v-murb--nx?w-&anr&f--nx?t--nx??ublk--nx???ppol?q&0-t&baol--nx?soum--nx?veib--nx??x-&ipphl--nx?r&embh--nx?imph--nx???y-tinks--nx??r&f-atsr--nx?g-&an&ms--nx?nd--nx??e&drf--nx?ngs--nx??murs--nx?netl--nx?olmb--nx?...

  Ginkgo V2 doesn't accept go test's `-parallel` flags to parallelize Ginkgo specs, please switch to use `ginkgo -p` or `ginkgo -procs=N` instead. ([#109111](https://github.com/kubernetes/kubernetes/pull/109111), [@chendave](https://github.com/chendave)) [SIG API Machinery, Apps, Architecture, Auth, Autoscaling, CLI, Cloud Provider,...

### Scheduling

- DRA: when asking for "All" devices on a node, Kubernetes <= 1.32 proceeded to schedule...

## Changelog since v1.26.2

## Changes by Kind

### API Change

- Volumes: `resource.claims` gets cleared for PVC specs during create or update of a pod spec with inline PVC template or of a PVC because it has no effect. ([#115928](https://github.com/kubernetes/kubernetes/pull/115928), [@pohly](https://github.com/pohly)) [SIG API Machinery, Apps and Storage]

- Added `--concurrent-daemonset-syncs` command line flag to kube-controller-manager. This value sets the number of workers for the daemonset controller. ([#128444](https://github.com/kubernetes/kubernetes/pull/128444), [@tosi3k](https://github.com/tosi3k))