* are guarded by a lock and operations are applied in batches to avoid lock contention. The
   * penalty of applying the batches is spread across threads so that the amortized cost is slightly
   * higher than performing just the operation without enforcing the capacity constraint.
   *
   * This implementation uses a per-segment queue to record a memento of the additions, removals,

- Added CEL runtime cost calculation into CustomerResource validation. CustomerResource validation will fail if runtime cost exceeds the budget. ([#108482](https://github.com/kubernetes/kubernetes/pull/108482), [@cici37](https://github.com/cici37))

## Changelog since v1.28.1

## Changes by Kind

### API Change

- Fixed a bug where CEL expressions in CRD validation rules would incorrectly compute a high estimated cost for functions that return strings, lists or maps.

* set EnableHTTPSTrafficOnly in azure storage account creation ([#64957](https://github.com/kubernetes/kubernetes/pull/64957), [@andyzhangx](https://github.com/andyzhangx))
* Rework Kubelet set `/etc/hosts` behavior to fix conformance testability ([#61613](https://github.com/kubernetes/kubernetes/pull/61613), [@dims](https://github.com/dims))

    /** The key of the message: Permissions */
    public static final String LABELS_PERMISSIONS = "{labels.permissions}";

    /** The key of the message: Virtual Hosts */
    public static final String LABELS_virtual_hosts = "{labels.virtual_hosts}";

    /** The key of the message: Virtual Host */
    public static final String LABELS_virtual_host = "{labels.virtual_host}";

- Images for cloud-controller-manager, kube-apiserver, kube-controller-manager, and kube-scheduler now contain a minimal /etc/nsswitch.conf and should respect /etc/hosts for lookups ([#69238](https://github.com/kubernetes/kubernetes/pull/69238), [@BenTheElder](https://github.com/BenTheElder))

### SIG Scheduling

  The other guests had taken advantage of the Queen's absence,
and were resting in the shade:  however, the moment they saw her,
they hurried back to the game, the Queen merely remarking that a
moment's delay would cost them their lives.

  All the time they were playing the Queen never left off
quarrelling with the other players, and shouting `Off with his
head!' or `Off with her head!'  Those whom she sentenced were

* Refactor addons into multiple packages ([#50214](https://github.com/kubernetes/kubernetes/pull/50214), [@andrewrynhard](https://github.com/andrewrynhard))
* Kubelet now manages `/etc/hosts` file for both hostNetwork Pods and non-hostNetwork Pods. ([#49140](https://github.com/kubernetes/kubernetes/pull/49140), [@rickypai](https://github.com/rickypai))

 
## Changes by Kind

### Bug or Regression

- CVE-2020-8557 (Medium): Node-local denial of service via container /etc/hosts file. See https://github.com/kubernetes/kubernetes/issues/93032 for more details. ([#92916](https://github.com/kubernetes/kubernetes/pull/92916), [@joelsmith](https://github.com/joelsmith)) [SIG Node]

- Added the feature gates `StrictCostEnforcementForVAP` and `StrictCostEnforcementForWebhooks` to enforce the strict cost calculation for CEL extended libraries. It is strongly recommended to turn on the feature gates as early as possible. ([#124675](https://github.com/kubernetes/kubernetes/pull/124675), [@cici37](https://github.com/cici37)) [SIG API Machinery, Auth,...