* Update version of Istio addon from 0.5.1 to 0.8.0. See [full Istio release notes](https://istio.io/news/releases/0.x/announcing-0.6/).([#64537](https://github.com/kubernetes/kubernetes/pull/64537))
* Update cadvisor godeps to v0.30.0 ([#64800](https://github.com/kubernetes/kubernetes/pull/64800))

- The default Go version was updated to 1.11.2. ([#70665](https://github.com/kubernetes/kubernetes/pull/70665))
- The minimum supported Go version was updated to 1.11.2 ([#69386](https://github.com/kubernetes/kubernetes/pull/69386))
- CNI is unchanged at v0.6.0 since Kubernetes 1.10 ([#51250](https://github.com/kubernetes/kubernetes/pull/51250))

- metrics-server has been upgraded to v0.3.1. ([#68746](https://github.com/kubernetes/kubernetes/pull/68746))
- GLBC has been updated to v1.2.3 ([#66793](https://github.com/kubernetes/kubernetes/pull/66793))
- Ingress-gce has been updated to v 1.2.3 ([#66793](https://github.com/kubernetes/kubernetes/pull/66793))
- ip-masq-agen has been updated to v2.1.1 ([#67916](https://github.com/kubernetes/kubernetes/pull/67916))
- [v1.12.0-rc.2](#v1120-rc2)

### Other (Cleanup or Flake)

- Build: Update Debian base images
  - debian-base:v2.1.3
  - debian-iptables:v12.1.2
  - debian-hyperkube-base:v1.1.3 ([#93924](https://github.com/kubernetes/kubernetes/pull/93924), [@justaugustus](https://github.com/justaugustus)) [SIG API Machinery, Cluster Lifecycle and Release]
- Update Golang to v1.13.14
  - Update bazel to 2.2.0
  - Update repo-infra to 0.0.8 (to support go1.14.6 and go1.13.14)

### Other (Cleanup or Flake)

- Build: Update Debian base images
  - debian-base:v2.1.3
  - debian-iptables:v12.1.2
  - debian-hyperkube-base:v1.1.3 ([#93754](https://github.com/kubernetes/kubernetes/pull/93754), [@justaugustus](https://github.com/justaugustus)) [SIG API Machinery, Cluster Lifecycle, Release and Testing]
- Update Golang to v1.13.14
  - Update bazel to 2.2.0
  - Update repo-infra to 0.0.8 (to support go1.14.6 and go1.13.14)

* Registries backed by the generic Store's `Update` implementation support delete-on-update, which allows resources to be automatically deleted during an update provided: ([#48065](https://github.com/kubernetes/kubernetes/pull/48065), [@ironcladlou](https://github.com/ironcladlou))
        * Garbage collection is enabled for the Store
        * The resource being updated has no finalizers

- Updated etcd image to `3.5.9-0`. ([#117999](https://github.com/kubernetes/kubernetes/pull/117999), [@kkkkun](https://github.com/kkkkun)) [SIG API Machinery]
- Updated cAdvisor to `v0.47.2` and fixed metrics in `cri-o` when a container restarts. ([#118774](https://github.com/kubernetes/kubernetes/pull/118774), [@harche](https://github.com/harche))

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