- A new kubelet metric `image_pull_duration_seconds` was added. The metric tracks the duration (in seconds) it takes for an image to be pulled, including the time spent in the waiting queue of image puller. The metric is broken down by bucketed image size. ([#121719](https://github.com/kubernetes/kubernetes/pull/121719), [@ruiwen-zhao](https://github.com/ruiwen-zhao))

	if rulesSyncedMetric != rulesSynced {
		t.Errorf("metric shows %d rules synced but iptables data shows %d", rulesSyncedMetric, rulesSynced)
	}

	rulesTotal := rulesSynced
	rulesTotalMetric := countRulesFromMetric(logger, utiliptables.TableNAT)
	if rulesTotalMetric != rulesTotal {
		t.Errorf("metric shows %d rules total but expected %d", rulesTotalMetric, rulesTotal)
	}

- Introduced new apiserver metric `apiserver_flowcontrol_current_inqueue_seats`. This metric is analogous to `apiserver_flowcontrol_current_inqueue_requests`, but tracks the total number of seats, as each request can take more than one seat. ([#119385](https://github.com/kubernetes/kubernetes/pull/119385), [@andrewsykim](https://github.com/andrewsykim))

- Scheduler now waits for handlers to finish syncing before the scheduling cycles start. ([#116729](https://github.com/kubernetes/kubernetes/pull/116729), [@AxeZhan](https://github.com/AxeZhan))

- HPA controller exposes the following metrics from the kube-controller-manager. 
  - `metric_computation_duration_seconds`: The time(seconds) that the HPA controller takes to calculate one metric.
  - `metric_computation_total`: Number of metric computations. ([#116326](https://github.com/kubernetes/kubernetes/pull/116326), [@sanposhiho](https://github.com/sanposhiho)) [SIG Apps, Autoscaling and Instrumentation]

	// If nil, a default scheduler is chosen.
	NewWriteScheduler func() http2WriteScheduler

	// CountError, if non-nil, is called on HTTP/2 server errors.
	// It's intended to increment a metric for monitoring, such
	// as an expvar or Prometheus metric.
	// The errType consists of only ASCII word characters.
	CountError func(errType string)

	// Internal state. This is a pointer (rather than embedded directly)

// ValidateNonSpecialIP is used to validate Endpoints, EndpointSlices, and
// external IPs. Specifically, this disallows unspecified and loopback addresses
// are nonsensical and link-local addresses tend to be used for node-centric
// purposes (e.g. metadata service).
//
// IPv6 references
// - https://www.iana.org/assignments/iana-ipv6-special-registry/iana-ipv6-special-registry.xhtml

- [`KT-62962`](https://youtrack.jetbrains.com/issue/KT-62962) Remove COMPILE_INCREMENTAL_WITH_ARTIFACT_TRANSFORM system property
- [`KT-62264`](https://youtrack.jetbrains.com/issue/KT-62264) Send build type report metric to FUS
- [`KT-62650`](https://youtrack.jetbrains.com/issue/KT-62650) Gradle: Return the usage of `kotlin-compiler-embeddable` back