-[Known Issues for v1.5.1](#known-issues-for-v151)
-[v1.5.0](#v150)
-[Downloads for v1.5.0](#downloads-for-v150)
-[Client Binaries](#client-binaries-1)
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* Changes the default value of the "anonymous-auth" flag to a safer default value of false. This affects kube apiserver and federation apiserver. See https://groups.google.com/forum/#!topic/kubernetes-announce/iclRj-6Nfsg for more details. ([#38708](https://github.com/kubernetes/kubernetes/pull/38708), [@erictune](https://github.com/erictune))
* Fixes issue where if the audit log is enabled and anonymous authentication is disabled, then an unauthenticated user request will cause a panic and crash the `kube-apiserver`. ([#38717](https://github.com/kubernetes/kubernetes/pull/38717), [@deads2k](https://github.com/deads2k))
## Known Issues for v1.5.1
-`hack/local-up-cluster.sh` script times out waiting for apiserver to answer, see [#38847](https://github.com/kubernetes/kubernetes/issues/38847).
To workaround this, modify the script to pass `--anonymous-auth=true` to `sudo -E "${GO_OUT}/hyperkube" apiserver ...` when starting `kube-apiserver`.
