diff --git a/charts/argo-cd/README.md b/charts/argo-cd/README.md
index 07b72e20..cebd0923 100644
--- a/charts/argo-cd/README.md
+++ b/charts/argo-cd/README.md
@@ -14,6 +14,10 @@ This chart currently installs the non-HA version of ArgoCD.
 
 ## Upgrading
 
+### 2.10.x to 2.11.0
+
+The application controller is now available as a `StatefulSet` when the `controller.enableStatefulSet` flag is set to true. Depending on your Helm deployment this may be a downtime or breaking change if enabled when using HA and will become the default in 3.x.
+
 ### 1.8.7 to 2.x.x
 
 `controller.extraArgs`, `repoServer.extraArgs` and `server.extraArgs`  are now arrays of strings intead of a map
@@ -93,6 +97,7 @@ Helm v3 has removed the `install-crds` hook so CRDs are now populated by files i
 | controller.clusterAdminAccess.enabled | Enable RBAC for local cluster deployments. | `true` |
 | controller.containerPort | Controller listening port. | `8082` |
 | controller.extraArgs | Additional arguments for the controller. A list of flags | `[]` |
+| controller.enableStatefulSet | Enable deploying the controller as a StatefulSet instead of a Deployment. Used for HA installations. | `false` |
 | controller.env | Environment variables for the controller. | `[]` |
 | controller.image.repository | Repository to use for the controller | `global.image.repository` |
 | controller.image.imagePullPolicy | Image pull policy for the controller | `global.image.imagePullPolicy` |
diff --git a/charts/argo-cd/templates/argocd-application-controller/deployment.yaml b/charts/argo-cd/templates/argocd-application-controller/deployment.yaml
index 3dde5e51..c2260c78 100755
--- a/charts/argo-cd/templates/argocd-application-controller/deployment.yaml
+++ b/charts/argo-cd/templates/argocd-application-controller/deployment.yaml
@@ -1,6 +1,6 @@
 {{- $redisHa := (index .Values "redis-ha") -}}
 apiVersion: apps/v1
-kind: Deployment
+kind: {{ .Values.controller.enableStatefulSet | ternary "StatefulSet" "Deployment" }}
 metadata:
   name: {{ template "argo-cd.controller.fullname" . }}
   labels:
@@ -16,6 +16,9 @@ spec:
     matchLabels:
       app.kubernetes.io/name: {{ include "argo-cd.name" . }}-application-controller
       app.kubernetes.io/instance: {{ .Release.Name }}
+  {{- if  .Values.controller.enableStatefulSet }}
+  serviceName: {{ template "argo-cd.controller.fullname" . }}
+  {{- end }}
   revisionHistoryLimit: 5
   replicas: {{ .Values.controller.replicas }}
   template:
diff --git a/charts/argo-cd/values.yaml b/charts/argo-cd/values.yaml
index f95535b2..6ec90437 100755
--- a/charts/argo-cd/values.yaml
+++ b/charts/argo-cd/values.yaml
@@ -34,6 +34,9 @@ controller:
   # If changing the number of replicas you must pass the number as ARGOCD_CONTROLLER_REPLICAS as an environment variable
   replicas: 1
 
+  # Deploy the application as a StatefulSet instead of a Deployment, this is required for HA capability.
+  # This is a feature flag that will become the default in chart version 3.x
+  enableStatefulSet: false
 
   ## Argo controller commandline flags
   args:
@@ -52,10 +55,10 @@ controller:
 
   ## Environment variables to pass to argocd-controller
   ##
-  env: []
-   # - name: "ARGOCD_CONTROLLER_REPLICAS"
-   #   value: ""
-
+  env:
+    []
+    # - name: "ARGOCD_CONTROLLER_REPLICAS"
+    #   value: ""
 
   ## Annotations to be added to controller pods
   ##
@@ -66,7 +69,8 @@ controller:
   podLabels: {}
 
   ## Labels to set container specific security contexts
-  containerSecurityContext: {}
+  containerSecurityContext:
+    {}
     # capabilities:
     #   drop:
     #     - all
@@ -244,12 +248,12 @@ dex:
   priorityClassName: ""
 
   ## Labels to set container specific security contexts
-  containerSecurityContext: {}
+  containerSecurityContext:
+    {}
     # capabilities:
     #   drop:
     #     - all
 
-
   resources: {}
   #  limits:
   #    cpu: 50m
@@ -293,7 +297,8 @@ redis:
   priorityClassName: ""
 
   ## Labels to set container specific security contexts
-  containerSecurityContext: {}
+  containerSecurityContext:
+    {}
     # capabilities:
     #   drop:
     #     - all
@@ -328,7 +333,7 @@ redis-ha:
   redis:
     masterGroupName: argocd
     config:
-      save: "\"\""
+      save: '""'
   haproxy:
     enabled: true
     metrics:
@@ -411,7 +416,8 @@ server:
   priorityClassName: ""
 
   ## Labels to set container specific security contexts
-  containerSecurityContext: {}
+  containerSecurityContext:
+    {}
     # capabilities:
     #   drop:
     #     - all
@@ -761,7 +767,8 @@ repoServer:
   priorityClassName: ""
 
   ## Labels to set container specific security contexts
-  containerSecurityContext: {}
+  containerSecurityContext:
+    {}
     # capabilities:
     #   drop:
     #     - all
@@ -817,24 +824,24 @@ repoServer:
   ## Use init containers to configure custom tooling
   ## https://argoproj.github.io/argo-cd/operator-manual/custom_tools/
   ## When using the volumes & volumeMounts section bellow, please comment out those above.
- #  volumes:
- #  - name: custom-tools
- #    emptyDir: {}
- #
- #  initContainers:
- #  - name: download-tools
- #    image: alpine:3.8
- #    command: [sh, -c]
- #    args:
- #      - wget -qO- https://get.helm.sh/helm-v2.16.1-linux-amd64.tar.gz | tar -xvzf - &&
- #        mv linux-amd64/helm /custom-tools/
- #    volumeMounts:
- #      - mountPath: /custom-tools
- #        name: custom-tools
- #  volumeMounts:
- #  - mountPath: /usr/local/bin/helm
- #    name: custom-tools
- #    subPath: helm
+  #  volumes:
+  #  - name: custom-tools
+  #    emptyDir: {}
+  #
+  #  initContainers:
+  #  - name: download-tools
+  #    image: alpine:3.8
+  #    command: [sh, -c]
+  #    args:
+  #      - wget -qO- https://get.helm.sh/helm-v2.16.1-linux-amd64.tar.gz | tar -xvzf - &&
+  #        mv linux-amd64/helm /custom-tools/
+  #    volumeMounts:
+  #      - mountPath: /custom-tools
+  #        name: custom-tools
+  #  volumeMounts:
+  #  - mountPath: /usr/local/bin/helm
+  #    name: custom-tools
+  #    subPath: helm
 
 ## Argo Configs
 configs:
@@ -923,10 +930,11 @@ configs:
     # Custom secrets. Useful for injecting SSO secrets into environment variables.
     # Ref: https://argoproj.github.io/argo-cd/operator-manual/sso/
     # Note that all values must be non-empty.
-    extra: {}
+    extra:
+      {}
       # LDAP_PASSWORD: "mypassword"
 
-  # Argo TLS Data.
+    # Argo TLS Data.
     argocdServerTlsConfig:
       {}
       # key:
diff --git a/charts/argo-rollouts/Chart.yaml b/charts/argo-rollouts/Chart.yaml
index 4bf8c39b..2acfa9cc 100644
--- a/charts/argo-rollouts/Chart.yaml
+++ b/charts/argo-rollouts/Chart.yaml
@@ -2,7 +2,7 @@ apiVersion: v1
 appVersion: "0.9.1"
 description: A Helm chart for Argo Rollouts
 name: argo-rollouts
-version: 0.3.9
+version: 0.3.10
 icon: https://raw.githubusercontent.com/argoproj/argo/master/argo.png
 home: https://github.com/argoproj/argo-helm
 maintainers:
diff --git a/charts/argo-rollouts/templates/argo-rollouts-deployment.yaml b/charts/argo-rollouts/templates/argo-rollouts-deployment.yaml
index 595fe120..c2c2df64 100644
--- a/charts/argo-rollouts/templates/argo-rollouts-deployment.yaml
+++ b/charts/argo-rollouts/templates/argo-rollouts-deployment.yaml
@@ -2,12 +2,6 @@ apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: {{ .Release.Name }}
-  {{- if .Values.podAnnotations }}
-  annotations:
-  {{- range $key, $value := .Values.podAnnotations }}
-    {{ $key }}: {{ $value | quote }}
-  {{- end }}
-  {{- end }}
   labels:
     app.kubernetes.io/component: {{ .Values.controller.component }}
     app.kubernetes.io/name: {{ .Release.Name }}
@@ -21,6 +15,12 @@ spec:
       app.kubernetes.io/name: {{ .Release.Name }}
   template:
     metadata:
+      {{- if .Values.podAnnotations }}
+      annotations:
+      {{- range $key, $value := .Values.podAnnotations }}
+        {{ $key }}: {{ $value | quote }}
+      {{- end }}
+      {{- end }}
       labels:
         app.kubernetes.io/name: {{ .Release.Name }}
     spec:
diff --git a/charts/argo/Chart.yaml b/charts/argo/Chart.yaml
index 76a5299a..0a90e20f 100644
--- a/charts/argo/Chart.yaml
+++ b/charts/argo/Chart.yaml
@@ -1,8 +1,8 @@
-apiVersion: v1
+apiVersion: v2
 appVersion: v2.11.7
 description: A Helm chart for Argo Workflows
 name: argo
-version: 0.13.10
+version: 0.14.0
 icon: https://raw.githubusercontent.com/argoproj/argo/master/docs/assets/argo.png
 home: https://github.com/argoproj/argo-helm
 maintainers:
diff --git a/charts/argo/templates/workflow-controller-deployment.yaml b/charts/argo/templates/workflow-controller-deployment.yaml
index dda3df94..82b36bf6 100755
--- a/charts/argo/templates/workflow-controller-deployment.yaml
+++ b/charts/argo/templates/workflow-controller-deployment.yaml
@@ -61,6 +61,9 @@ spec:
               fieldRef:
                 apiVersion: v1
                 fieldPath: metadata.namespace
+          {{- with .Values.controller.extraEnv }}
+            {{ toYaml . | nindent 10 }}
+          {{- end }}
           resources:
             {{- toYaml .Values.controller.resources | nindent 12 }}
           {{- if .Values.controller.metricsConfig.enabled }}
diff --git a/charts/argo/values.yaml b/charts/argo/values.yaml
index 67c9af29..cd7d7603 100644
--- a/charts/argo/values.yaml
+++ b/charts/argo/values.yaml
@@ -115,6 +115,9 @@ controller:
   # service type `LoadBalancer`
   loadBalancerSourceRanges: []
   resources: {}
+  # The list of environment variable definitions to be added to the controller
+  # manages container verbatim.
+  extraEnv: []
   replicas: 1
   pdb:
     enabled: false