- Added `SizeBasedListCostEstimate` feature gate that allowed apiserver to estimate sizes of objects to calculate cost of LIST requests. ([#132355](https://github.com/kubernetes/kubernetes/pull/132355), [@serathius](https://github.com/serathius)) [SIG API Machinery and Etcd]

   * 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,

- The kube-apiserver's Prometheus metrics have been extended with some that describe the costs of handling LIST requests.  They are as follows.
  - *apiserver_cache_list_total*: Counter of LIST requests served from watch cache, broken down by resource_prefix and index_name

* add spelling checking script ([#59463](https://github.com/kubernetes/kubernetes/pull/59463), [@dixudx](https://github.com/dixudx))

* Use consts as predicate name in handlers ([#59952](https://github.com/kubernetes/kubernetes/pull/59952), [@resouer](https://github.com/resouer))

case I can go back by railway,' she said to herself.  (Alice had
been to the seaside once in her life, and had come to the general
conclusion, that wherever you go to on the English coast you find
a number of bathing machines in the sea, some children digging in
the sand with wooden spades, then a row of lodging houses, and
behind them a railway station.)  However, she soon made out that

- github.com/Azure/go-autorest/tracing: [v0.5.0](https://github.com/Azure/go-autorest/tracing/tree/v0.5.0)
- github.com/armon/consul-api: [eb2c6b5](https://github.com/armon/consul-api/tree/eb2c6b5)
- github.com/bifurcation/mint: [93c51c6](https://github.com/bifurcation/mint/tree/93c51c6)
- github.com/caddyserver/caddy: [v1.0.3](https://github.com/caddyserver/caddy/tree/v1.0.3)

## 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.

* Azure cloudprovider: Reduce the polling delay for all azure clients to 5 seconds. This should speed up some operations at the cost of some additional quota. ([#43699](https://github.com/kubernetes/kubernetes/pull/43699), [@colemickens](https://github.com/colemickens))

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