- Kubernetes is now built with go 1.20.1 ([#115828](https://github.com/kubernetes/kubernetes/pull/115828), [@cpanato](https://github.com/cpanato)) [SIG Release and Testing]
- Kubernetes is now built with go 1.20.2 ([#116404](https://github.com/kubernetes/kubernetes/pull/116404), [@cpanato](https://github.com/cpanato)) [SIG Release and Testing]

- Kubernetes is now built with go 1.21.7
  - update setcap/debian-base to bookworm-v1.0.1
  - update distroless-iptables to v0.4.5 ([#123228](https://github.com/kubernetes/kubernetes/pull/123228), [@cpanato](https://github.com/cpanato)) [SIG API Machinery, Architecture, Release and Testing]

### Bug or Regression

- Promote PodHostIPs condition to beta. ([#120257](https://github.com/kubernetes/kubernetes/pull/120257), [@wzshiming](https://github.com/wzshiming)) [SIG Network, Node and Testing]
- Promote PodHostIPs condition to beta. ([#121477](https://github.com/kubernetes/kubernetes/pull/121477), [@wzshiming](https://github.com/wzshiming)) [SIG Network and Testing]

- Kubernetes is now built with go 1.21.7
  - update distroless-iptables to v0.4.5 ([#123230](https://github.com/kubernetes/kubernetes/pull/123230), [@cpanato](https://github.com/cpanato)) [SIG Release and Testing]

### Bug or Regression

- Kubernetes is now built with Golang 1.18.2 ([#110043](https://github.com/kubernetes/kubernetes/pull/110043), [@cpanato](https://github.com/cpanato)) [SIG Release and Testing]
- Kubernetes is now built with Golang 1.18.3 ([#110421](https://github.com/kubernetes/kubernetes/pull/110421), [@cpanato](https://github.com/cpanato)) [SIG Release and Testing]

- No ([#108432](https://github.com/kubernetes/kubernetes/pull/108432), [@iXinqi](https://github.com/iXinqi)) [SIG Testing and Windows]
- PreFilter extension in the scheduler framework now returns not only status but also PreFilterResult ([#108648](https://github.com/kubernetes/kubernetes/pull/108648), [@ahg-g](https://github.com/ahg-g)) [SIG Scheduling, Storage and Testing]

* Update docs for testing FastAPI. Include using `POST`, sending JSON, testing headers, etc. New documentation: [Testing](https://fastapi.tiangolo.com/tutorial/testing/#testing-extended-example). PR [#271](https://github.com/tiangolo/fastapi/pull/271).

### SIG Scalability

[SIG Scalability][] is responsible for scalability testing, measuring and
improving system performance, and answering questions related to scalability.

For the 1.8 release, SIG Scalability focused on automating large cluster
scalability testing in a continuous integration (CI) environment. The SIG
defined a concrete process for scalability testing, created

- [`KT-58884`](https://youtrack.jetbrains.com/issue/KT-58884) K2: NotAMockException for mock testing with lambda expression with Maven
- [`KT-58893`](https://youtrack.jetbrains.com/issue/KT-58893) K2: MockitoException for mock testing with lambda expression with Gradle
- [`KT-59483`](https://youtrack.jetbrains.com/issue/KT-59483) K2: Build a Native app

  optional AWSElasticBlockStoreVolumeSource awsElasticBlockStore = 2;

  // hostPath represents a directory on the host.
  // Provisioned by a developer or tester.
  // This is useful for single-node development and testing only!
  // On-host storage is not supported in any way and WILL NOT WORK in a multi-node cluster.
  // More info: https://kubernetes.io/docs/concepts/storage/volumes#hostpath
  // +optional