## Changes by Kind

### Feature

- Kubelet TCP and HTTP probes are more effective using networking resources: conntrack entries, sockets, ... 

- Kubelet TCP and HTTP probes are now more effective using networking resources:
  conntrack entries, sockets. This is achieved by reducing the `TIME-WAIT` state
  of the connection to 1 second, instead of the defaults 60 seconds. This allows
  kubelet to free the socket, and free conntrack entry and ephemeral port associated. ([#115143](https://github.com/kubernetes/kubernetes/pull/115143), [@aojea](https://github.com/aojea))

  E0303 17:25:03.436809 63839 helpers.go:680] eviction manager: failed to construct signal: "allocatableMemory.available" error: system container "pods" not found in metrics ([#88970](https://github.com/kubernetes/kubernetes/pull/88970), [@mysunshine92](https://github.com/mysunshine92)) [SIG Node]

- Optimized kube-proxy conntrack cleanup logic, reducing the time complexity of deleting stale UDP entries. This significantly improves performance when there are many stale connections to clean up. ([#135511](https://github.com/kubernetes/kubernetes/pull/135511), [@aojea](http...

          <name>dependencies</name>
          <version>3.0.0+</version>
          <description>
            This element describes all the dependencies associated with a project.
            These dependencies are used to construct a classpath for your
            project during the build process. They are automatically downloaded from the
            repositories defined in this project.

 JQUERY_NO_CONFLICT = $.fn[NAME]\n\nconst EVENT_TOGGLED = `toggled${EVENT_KEY}`\n\nconst SELECTOR_DATA_TOGGLE = '[data-widget=\"chat-pane-toggle\"]'\nconst SELECTOR_DIRECT_CHAT = '.direct-chat'\n\nconst CLASS_NAME_DIRECT_CHAT_OPEN = 'direct-chat-contacts-open'\n\n/**\n * Class Definition\n * ====================================================\n */\n\nclass DirectChat {\n  constructor(element) {\n    this._element = element\n  }\n\n  toggle() {\n    $(this._element).parents(SELECTOR_DIRECT_CHAT)...

- During initialization phase (preflight), kubeadm now verifies the presence of the conntrack executable ([#85857](https://github.com/kubernetes/kubernetes/pull/85857), [@hnanni](https://github.com/hnanni)) [SIG Cluster Lifecycle]

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*   Added iptables rules to allow Pod traffic even when default iptables policy is to reject. ([#52569](https://github.com/kubernetes/kubernetes/pull/52569),[ @tmjd](https://github.com/tmjd))
*   You can once again use 0 values for conntrack min, max, max per core, tcp close wait timeout, and tcp established timeout; this functionality was broken in 1.8. ([#55261](https://github.com/kubernetes/kubernetes/pull/55261),[ @ncdc](https://github.com/ncdc))

#### **CoreDNS**

- Updated CNI plugins to v1.7.1 ([#131602](https://github.com/kubernetes/kubernetes/pull/131602), [@adrianmoisey](https://github.com/adrianmoisey)) [SIG Cloud Provider, Node and Testing]
- Updated `conntrack` reconciler to consider a Service’s target port during cleanup of stale flow entries. ([#130542](https://github.com/kubernetes/kubernetes/pull/130542), [@aroradaman](https://github.com/aroradaman))