### IDE. Libraries

- [`KTIJ-25096`](https://youtrack.jetbrains.com/issue/KTIJ-25096) K2 IDE: Library sessions are garbage collected between performance test runs with enabled library caches
- [`KTIJ-24413`](https://youtrack.jetbrains.com/issue/KTIJ-24413) Cannot navigate to enum of the Kotlin library via entries call

### IDE. Misc

  CVE-2021-29923 golang standard library "net" - Improper Input Validation of octal literals in golang 1.16.2 and below standard library "net" results in indeterminate SSRF & RFI vulnerabilities.

* Fix issue in Portworx volume driver causing controller manager to crash ([#76341](https://github.com/kubernetes/kubernetes/pull/76341), [@harsh-px](https://github.com/harsh-px))
* Fixes segmentation fault issue with Protobuf library when log entries are deeply nested. ([#77224](https://github.com/kubernetes/kubernetes/pull/77224), [@qingling128](https://github.com/qingling128))

- Fix an issue where kubectl apply could panic when imported as a library ([#122559](https://github.com/kubernetes/kubernetes/pull/122559), [@Jefftree](https://github.com/Jefftree)) [SIG CLI]

* Fixed encryption key and encryption provider rotation ([#58375](https://github.com/kubernetes/kubernetes/pull/58375), [@liggitt](https://github.com/liggitt))
* Correctly handle transient connection reset errors on GET requests from client library. ([#58520](https://github.com/kubernetes/kubernetes/pull/58520), [@porridge](https://github.com/porridge))

    * Custom apiservers built with the latest apiserver library will have the 100MB limit on the body of resource requests as well. The limit can be altered via ServerRunOptions.MaxRequestBodyBytes.
    * The body size limit does not apply to subresources like pods/proxy that proxy request content to another server.

  - More information [here](https://vishh.github.io/docs/user-guide/gpus/).
* A pod’s Quality of Service Class is now available in its Status.
* Upgrade cAdvisor library to v0.25.0. Notable changes include,
  - Container filesystem usage tracking disabled for device mapper due to excessive
    IOPS.
  - Ignore `.mount` cgroups, fixing disappearing stats.

- The etcd client library vendored in v1.16 (github.com/coreos/etcd/clientv3) has a bug where IPv6 IP addresses get incorrectly trimmed to the first occurance of the `:` character. This affects all users of the client library including the kube-apiserver and kubeadm. We are targeting the fix for this bug in v1.16.3. ([#83550](https://github.com/kubernetes/kubernetes/issues/83550))...

    * Custom apiservers built with the latest apiserver library will have the 100MB limit on the body of resource requests as well. The limit can be altered via ServerRunOptions.MaxRequestBodyBytes.
    * The body size limit does not apply to subresources like pods/proxy that proxy request content to another server.

- Moved `non-graceful node` shutdown to GA. ([#118228](https://github.com/kubernetes/kubernetes/pull/118228), [@carlory](https://github.com/carlory))
- New CEL Library functions to support Kubernetes Quantities. ([#118803](https://github.com/kubernetes/kubernetes/pull/118803), [@alexzielenski](https://github.com/alexzielenski)) [SIG API Machinery]