- Persistent Volumes formatted with the btrfs filesystem will now automatically resize when expanded. ([#99361](https://github.com/kubernetes/kubernetes/pull/99361), [@Novex](https://github.com/Novex)) [SIG Storage]
- Port the devicemanager to Windows node to allow device plugins like directx ([#93285](https://github.com/kubernetes/kubernetes/pull/93285), [@aarnaud](https://github.com/aarnaud)) [SIG Node, Testing and Windows]

* Fixed race conditions around devicemanager Allocate() and endpoint deletion. ([#60856](https://github.com/kubernetes/kubernetes/pull/60856), [@jiayingz](https://github.com/jiayingz))

  that wouldn't remove the annotation that caused the problems.) ([#112184](https://github.com/kubernetes/kubernetes/pull/112184), [@danwinship](https://github.com/danwinship)) [SIG Network and Node]
- Kubelet: Fixed a startup crash in devicemanager. ([#113021](https://github.com/kubernetes/kubernetes/pull/113021), [@rphillips](https://github.com/rphillips))

* fix azure file plugin failure issue on Windows after node restart ([#60625](https://github.com/kubernetes/kubernetes/pull/60625), [@andyzhangx](https://github.com/andyzhangx))
* Fixes the races around devicemanager Allocate() and endpoint deletion. ([#60856](https://github.com/kubernetes/kubernetes/pull/60856), [@jiayingz](https://github.com/jiayingz))



# v1.9.6

- Require feature flag CustomCPUCFSQuotaPeriod if setting a non-default cpuCFSQuotaPeriod in kubelet config. ([#94687](https://github.com/kubernetes/kubernetes/pull/94687), [@karan](https://github.com/karan)) [SIG Node]
- Reverted devicemanager for Windows node added in 1.19rc1. ([#93263](https://github.com/kubernetes/kubernetes/pull/93263), [@liggitt](https://github.com/liggitt)) [SIG Node and Windows]