Update CHANGELOG for v0.9.1 release

CHANGELOG.md

@@ -11,6 +11,25 @@ Some experimental features can be enabled / disabled using [Feature Gates](docs/
 
 ## Unreleased
 
+## 0.9.1 - 2020-08-21
+
+### Changed
+
+- Rotate self-signed certificate generated by the Antrea Controller at half the expiration time, instead of one day before expiration. ([#1115](https://github.com/vmware-tanzu/antrea/pull/1115), [@andrewsykim])
+- Collect heap profile data in Antrea support bundle to help troubleshoot issues related to memory usage. ([#1110](https://github.com/vmware-tanzu/antrea/pull/1110), [@weiqiangt])
+
+### Fixed
+
+- Optimize processing of egress policy rules that do not include any named port by avoiding the creation and distribution of a "global" AddressGroup - which includes all the Pods - when unnecessary. ([#1100](https://github.com/vmware-tanzu/antrea/pull/1100), [@tnqn])
+- Avoid duplicate processing of Traceflow requests in the Antrea Controller and fix data-plane tag allocation. ([#1094](https://github.com/vmware-tanzu/antrea/pull/1094), [@jianjuns])
+- Work around race condition in github.com/containernetworking/plugins when determining the network namespace of the caller which was responsible for errors when configuring Pod networking at scale. ([#1131](https://github.com/vmware-tanzu/antrea/pull/1131), [@tnqn])
+- Fail the CNI ADD request if the OF port value returned by OVS is -1, which indicates an error during interface creation. ([#1112](https://github.com/vmware-tanzu/antrea/pull/1112), [@tnqn])
+- Resubmit traffic for which Antrea Proxy has performed DNAT to the correct table so that ClusterNetworkPolicies can be enforced correctly. ([#1119](https://github.com/vmware-tanzu/antrea/pull/1119), [@weiqiangt] [@yktsubo])
+- Update Windows OVS package so that the dependency on Microsoft Visual C++ can be resolved during installation. ([#1099](https://github.com/vmware-tanzu/antrea/pull/1099), [@ruicao93]) [Windows]
+- Temporarily ignore sanity checks when issuing a Traceflow request from the Octant UI since the current version of Octant does not support reporting the errors to the user; instead the Traceflow CRD is created and its "Status" field can be used to troubleshoot. ([#1097](https://github.com/vmware-tanzu/antrea/pull/1097), [@ZhangYW18])
+- Revert all priority updates to policy flows if flow installation / modification fails on OVS. ([#1095](https://github.com/vmware-tanzu/antrea/issues/1095), [@Dyanngg])
+- Fix the Antrea manifest for EKS (antrea-eks.yml) published for each release. ([#1090](https://github.com/vmware-tanzu/antrea/pull/1090), [@antoninbas])
+
 ## 0.9.0 - 2020-08-13
 
 ### Added
@@ -373,6 +392,7 @@ The Monitoring [CRDs] feature is graduated from Alpha to Beta.
 [@AbdYsn]: https://github.com/AbdYsn
 [@abhiraut]: https://github.com/abhiraut
 [@alex-vmw]: https://github.com/alex-vmw
+[@andrewsykim]: https://github.com/andrewsykim
 [@antoninbas]: https://github.com/antoninbas
 [@Dyanngg]: https://github.com/Dyanngg
 [@gran-vmv]: https://github.com/gran-vmv