* fix azure disk create failure due to sdk upgrade ([#67236](https://github.com/kubernetes/kubernetes/pull/67236), [@andyzhangx](https://github.com/andyzhangx))
* Kubeadm join --control-plane main workflow ([#66873](https://github.com/kubernetes/kubernetes/pull/66873), [@fabriziopandini](https://github.com/fabriziopandini))

We’re pleased to announce the delivery of Kubernetes 1.16, our third release of 2019! Kubernetes 1.16 consists of 31 enhancements: 8 enhancements moving to stable, 8 enhancements in beta, and 15 enhancements in alpha.

The main themes of this release are:

### Etcd v3.5.[0-2] data corruption

Data corruption issue was found in etcd v3.5.0 release that was shipped with 1.22 Kubernetes release. Please read up-to-date [production recommendations for etcd](https://github.com/etcd-io/etcd/tree/main/CHANGELOG).

## Urgent Upgrade Notes 

### (No, really, you MUST read this before you upgrade)

pkg syscall, type Timeval struct
pkg syscall, var ForkLock sync.RWMutex
pkg syscall, var SocketDisableIPv6 bool
pkg testing, func Benchmark(func(*B)) BenchmarkResult
pkg testing, func Main(func(string, string) (bool, error), []InternalTest, []InternalBenchmark, []InternalExample)
pkg testing, func RunBenchmarks(func(string, string) (bool, error), []InternalBenchmark)

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