Kubernetes 1.15 consists of **25 enhancements**: 2 moving to stable, 13 in beta, and 10 in alpha. The main themes of this release are:

#### Continuous Improvement

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* `kubectl drain` no longer spins trying to delete pods that do not exist ([#49444](https://github.com/kubernetes/kubernetes/pull/49444), [@eparis](https://github.com/eparis))

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:

  IPv6 IPs. ([#121008](https://github.com/kubernetes/kubernetes/pull/121008), [@danwinship](https://github.com/danwinship)) [SIG Network]
- Fixed an issue to not drain all the pods in a namespace when an empty-selector i.e. "{}" is specified in a Pod Disruption Budget (PDB) ([#121131](https://github.com/kubernetes/kubernetes/pull/121131), [@sairameshv](https://github.com/sairameshv)) [SIG Apps]

- Fixes high CPU usage in kubectl drain ([#95260](https://github.com/kubernetes/kubernetes/pull/95260), [@amandahla](https://github.com/amandahla)) [SIG CLI]

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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)