diff --git a/CHANGELOG.md b/CHANGELOG.md
index b1e119d3c..5753f4900 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,43 @@
+# v11.0.0b1
+**Bug Fix:**
+- Fix a bug in kubeconfig loader where NoneType gets iterated [kubernetes-client/python-base#158](https://github.com/kubernetes-client/python-base/pull/158)
+- Fix a bug in kubeconfig loader that False value gets treated as absence [kubernetes-client/python-base#161](https://github.com/kubernetes-client/python-base/pull/161)
+- Fix a bug in kubeconfig loader where merging valid configs fails if fields are missing [kubernetes-client/python-base#163](https://github.com/kubernetes-client/python-base/pull/163)
+- Fix azure refresh token apiserver id [kubernetes-client/python-base#170](https://github.com/kubernetes-client/python-base/pull/170)
+
+**New Feature:**
+- Add returncode method to WSClient [kubernetes-client/python-base#160](https://github.com/kubernetes-client/python-base/pull/160)
+- Add proxy support to WSClient [kubernetes-client/python-base#157](https://github.com/kubernetes-client/python-base/pull/157)
+
+# v11.0.0a1
+**New Feature:**
+- Add dynamic client [kubernetes-client/python-base#56](https://github.com/kubernetes-client/python-base/pull/56)
+- `create_from_yaml` supports creation from dict and namespace option [kubernetes-client/python#795](https://github.com/kubernetes-client/python/pull/795)
+
+**Breaking Change:**
+- The Python client will be generated by openapi-generator, with the following breaking changes [kubernetes-client/gen#97](https://github.com/kubernetes-client/gen/pull/97)
+- `kubernetes.client.apis` package is renamed to `kubernetes.client.api`
+- `kubernetes` package code now uses absolute import instead of relative import
+- The `swagger_types` attribute in all models is renamed to `openapi_types`
+- Python3.4 is no longer supported [kubernetes-client/python#807](https://github.com/kubernetes-client/python/pull/807)
+
+**API Change:**
+- Introduce `ExtensionsV1beta1RuntimeClassStrategyOptions` and `PolicyV1beta1RuntimeClassStrategyOptions`. Add RuntimeClass restrictions & defaulting to PodSecurityPolicy [kubernetes/kubernetes#73795](https://github.com/kubernetes/kubernetes/pull/73795)
+- Introduce `V1WindowsSecurityContextOptions`. Add Windows specific options in Pod Security Context and Container Security Context [kubernetes/kubernetes#77147](https://github.com/kubernetes/kubernetes/pull/77147)
+- Split `V1beta1Webhook` into `V1beta1MutatingWebhook` and `V1beta1ValidatingWebhook` [kubernetes/kubernetes#78491](https://github.com/kubernetes/kubernetes/pull/78491)
+- Introduce parameter `allow_watch_bookmarks` in list options for requesting watch bookmarks from apiserver. The implementation in apiserver is hidden behind feature gate `WatchBookmark` (currently in Alpha stage) [kubernetes/kubernetes#74074](https://github.com/kubernetes/kubernetes/pull/74074)
+- Add `V1DeleteOptions` parameters (`dry_run`, `grace_period_seconds`, `orphan_dependents`, `propagation_policy`) to delete collection APIs [kubernetes/kubernetes#77843](https://github.com/kubernetes/kubernetes/pull/77843)
+- Add ListMeta.RemainingItemCount. When responding a LIST request, if the server has more data available, and if the request does not contain label selectors or field selectors, the server sets the ListOptions.RemainingItemCount to the number of remaining objects [kubernetes/kubernetes#75993](https://github.com/kubernetes/kubernetes/pull/75993)
+- Add `controller_expand_secret_ref` in `V1SecretReference` to store CSI volume expansion secrets [kubernetes/kubernetes#77516](https://github.com/kubernetes/kubernetes/pull/77516)
+- Introduce `preemption_policy` field to V1PriorityClass [kubernetes/kubernetes#74614](https://github.com/kubernetes/kubernetes/pull/74614)
+- Add `port` configuration to service reference in Admission webhook configuration, AuditSink webhook configuration, CRD Conversion webhook configuration and kube-aggregator [kubernetes/kubernetes#74855](https://github.com/kubernetes/kubernetes/pull/74855)
+- Introduce `inline_volume_spec` to `V1PersistentVolumeSpec` [kubernetes/kubernetes#77703](https://github.com/kubernetes/kubernetes/pull/77703)
+- Add fields `x_kubernetes_embedded_resource`, `x_kubernetes_int_or_string`, `x_kubernetes_preserve_unknown_fields` to V1beta1JSONSchemaProps [kubernetes/kubernetes#77207](https://github.com/kubernetes/kubernetes/pull/77207)
+
+**Bug Fix:**
+- Update `_load_azure_token` to handle str and int [kubernetes-client/python-base#141](https://github.com/kubernetes-client/python-base/pull/141)
+- Correct regex to properly parse rfc3339 microseconds [kubernetes-client/python-base#150](https://github.com/kubernetes-client/python-base/pull/150)
+
 # v10.0.0
 **Bug Fix:**
 - Fix base64 padding for kube config [kubernetes-client/python-base#79](https://github.com/kubernetes-client/python-base/pull/79)
diff --git a/kubernetes/base b/kubernetes/base
index 6b6546131..a2d102452 160000
--- a/kubernetes/base
+++ b/kubernetes/base
@@ -1 +1 @@
-Subproject commit 6b6546131217a2a9fdcf431a286c346619d2923a
+Subproject commit a2d1024524de78b62e5f9aa72d34cb9ea9de2b97