* Validate that cronjob names are 52 characters or less ([#52733](https://github.com/kubernetes/kubernetes/pull/52733), [@julia-stripe](https://github.com/julia-stripe))
* add readme file of ipvs ([#51937](https://github.com/kubernetes/kubernetes/pull/51937), [@Lion-Wei](https://github.com/Lion-Wei))



# v1.9.0-alpha.1

    * !!! [1215 15:42:56] Timed out waiting for apiserver:  to answer at https://localhost:6443/version; tried 10 waiting 1 between each

- When using a claim with immediate allocation and a pod referencing that claim couldn't get scheduled, the scheduler incorrectly may have tried to deallocate that claim. ([#122415](https://github.com/kubernetes/kubernetes/pull/122415), [@pohly](https://github.com/pohly))

- K8s.io/client-go/tools/record.EventBroadcaster: after Shutdown() is called, the broadcaster now gives up immediately after a failure to write an event to a sink. Previously it tried multiple times for 12 seconds in a goroutine. ([#115514](https://github.com/kubernetes/kubernetes/pull/115514), [@pohly](https://github.com/pohly)) [SIG API Machinery]

                            minLength: 1
                            type: string
                          prefix:
                            description: The prefix that should be stripped before
                              decoding the token.
                            type: string
                        required:
                        - name
                        type: object

*   New Optimizer internal API for non-slot variables. Descendants of
    AdamOptimizer that access _beta[12]_power will need to be updated.
*   `tf.estimator.{FinalExporter,LatestExporter}` now export stripped
    SavedModels. This improves forward compatibility of the SavedModel.
*   FFT support added to XLA CPU/GPU.

## Bug Fixes and Other Changes

*   Documentation updates:

26E4..26E7    ; valid                  ;      ; NV8    # 6.0  PENTAGRAM..INVERTED PENTAGRAM
26E8..26FF    ; valid                  ;      ; NV8    # 5.2  BLACK CROSS ON SHIELD..WHITE FLAG WITH HORIZONTAL MIDDLE BLACK STRIPE
2700          ; valid                  ;      ; NV8    # 7.0  BLACK SAFETY SCISSORS
2701..2704    ; valid                  ;      ; NV8    # 1.1  UPPER BLADE SCISSORS..WHITE SCISSORS

* Fix CVE-2019-11247: API server allows access to custom resources via wrong scope ([#80750](https://github.com/kubernetes/kubernetes/pull/80750), [@sttts](https://github.com/sttts))
* Failed iscsi logout is now re-tried periodically. ([#78941](https://github.com/kubernetes/kubernetes/pull/78941), [@jsafrane](https://github.com/jsafrane))

- Kubeadm: tried to load CA cert from external CertificateAuthority file when CertificateAuthorityData is empty for existing kubeconfig. ([#111783](https://github.com/kubernetes/kubernetes/pull/111783), [@SataQiu](https://github.com/SataQiu))