* 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))

- Istio addon is unchanged from v1.11, at  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))
- cadvisor godeps is unchanged from v1.11, at  v0.30.0 ([#64800](https://github.com/kubernetes/kubernetes/pull/64800))

* Update version of Istio addon from 0.5.1 to 0.6.0. ([#61911](https://github.com/kubernetes/kubernetes/pull/61911), [@ostromart](https://github.com/ostromart))
    * See https://istio.io/news/releases/0.x/announcing-0.6/ for full Isto release notes.
* removed unsafe double RLock in cpumanager ([#62464](https://github.com/kubernetes/kubernetes/pull/62464), [@choury](https://github.com/choury))

while the old charts used 8080 and 8443. If you have AuthorizationPolicie that reference port these ports, you should update them during this process, or customize the ports to match the old defaults. See the [security advisory](https://istio.io/latest/news/security/istio-security-2021-002/) for more information. #### Other migrations If you see errors like `rendered manifests contain a resource that already exists` during installation, you may need to forcibly take ownership. The script below can handle...

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