diff --git a/config/config.exs b/config/config.exs
index d84a3654..5ee17d3f 100644
--- a/config/config.exs
+++ b/config/config.exs
@@ -21,8 +21,9 @@ config :mobilizon, :instance,
   demo: false,
   repository: Mix.Project.config()[:source_url],
   allow_relay: true,
-  # Federation is to be activated with Mobilizon 1.0.0-beta.2
   federating: true,
+  # Groups are to be activated with Mobilizon 1.0.0
+  groups: false,
   remote_limit: 100_000,
   upload_limit: 10_000_000,
   avatar_upload_limit: 2_000_000,
diff --git a/config/dev.exs b/config/dev.exs
index c13c594f..bfddae9c 100644
--- a/config/dev.exs
+++ b/config/dev.exs
@@ -87,7 +87,8 @@ config :mobilizon, :instance,
   hostname: System.get_env("MOBILIZON_INSTANCE_HOST", "Mobilizon"),
   email_from: System.get_env("MOBILIZON_INSTANCE_EMAIL"),
   email_reply_to: System.get_env("MOBILIZON_INSTANCE_EMAIL"),
-  registrations_open: System.get_env("MOBILIZON_INSTANCE_REGISTRATIONS_OPEN") == "true"
+  registrations_open: System.get_env("MOBILIZON_INSTANCE_REGISTRATIONS_OPEN") == "true",
+  groups: true
 
 # config :mobilizon, :activitypub, sign_object_fetches: false
 
diff --git a/js/src/components/NavBar.vue b/js/src/components/NavBar.vue
index 9732f6d0..a97d6792 100644
--- a/js/src/components/NavBar.vue
+++ b/js/src/components/NavBar.vue
@@ -12,9 +12,12 @@
       <b-navbar-item tag="router-link" :to="{ name: RouteName.MY_EVENTS }">{{
         $t("My events")
       }}</b-navbar-item>
-      <b-navbar-item tag="router-link" :to="{ name: RouteName.MY_GROUPS }">{{
-        $t("My groups")
-      }}</b-navbar-item>
+      <b-navbar-item
+        tag="router-link"
+        :to="{ name: RouteName.MY_GROUPS }"
+        v-if="config && config.features.groups"
+        >{{ $t("My groups") }}</b-navbar-item
+      >
       <b-navbar-item tag="span">
         <b-button tag="router-link" :to="{ name: RouteName.CREATE_EVENT }" type="is-success">{{
           $t("Create")
diff --git a/js/src/graphql/config.ts b/js/src/graphql/config.ts
index 16637d8e..f7d07cbf 100644
--- a/js/src/graphql/config.ts
+++ b/js/src/graphql/config.ts
@@ -56,6 +56,9 @@ export const CONFIG = gql`
         endpoint
         software
       }
+      features {
+        groups
+      }
     }
   }
 `;
diff --git a/js/src/types/config.model.ts b/js/src/types/config.model.ts
index 9cf44969..07f83f5c 100644
--- a/js/src/types/config.model.ts
+++ b/js/src/types/config.model.ts
@@ -58,4 +58,7 @@ export interface IConfig {
   };
   resourceProviders: IProvider[];
   timezones: string[];
+  features: {
+    groups: boolean;
+  };
 }
diff --git a/js/src/views/Event/Edit.vue b/js/src/views/Event/Edit.vue
index c4a041b2..6959a3e5 100644
--- a/js/src/views/Event/Edit.vue
+++ b/js/src/views/Event/Edit.vue
@@ -51,7 +51,7 @@
               />
             </b-field>
           </div>
-          <div class="column">
+          <div class="column" v-if="config && config.features.groups">
             <b-field :label="$t('Group')" v-if="event.organizerActor">
               <group-picker-wrapper v-model="event.attributedTo" :identity="event.organizerActor" />
             </b-field>
diff --git a/js/src/views/Moderation/ReportList.vue b/js/src/views/Moderation/ReportList.vue
index ddb769b5..51ae764d 100644
--- a/js/src/views/Moderation/ReportList.vue
+++ b/js/src/views/Moderation/ReportList.vue
@@ -12,7 +12,7 @@
       }}</b-radio-button>
     </b-field>
     <ul v-if="reports.length > 0">
-      <li v-for="report in reports">
+      <li v-for="report in reports" :key="report.id">
         <router-link :to="{ name: RouteName.REPORT, params: { reportId: report.id } }">
           <report-card :report="report" />
         </router-link>
diff --git a/lib/graphql/resolvers/config.ex b/lib/graphql/resolvers/config.ex
index a72d624c..46f16ab8 100644
--- a/lib/graphql/resolvers/config.ex
+++ b/lib/graphql/resolvers/config.ex
@@ -102,7 +102,10 @@ defmodule Mobilizon.GraphQL.Resolvers.Config do
         }
       },
       resource_providers: Config.instance_resource_providers(),
-      timezones: Tzdata.zone_list()
+      timezones: Tzdata.zone_list(),
+      features: %{
+        groups: Config.instance_group_feature_enabled?()
+      }
     }
   end
 end
diff --git a/lib/graphql/schema/config.ex b/lib/graphql/schema/config.ex
index d0925cfe..f67ddb61 100644
--- a/lib/graphql/schema/config.ex
+++ b/lib/graphql/schema/config.ex
@@ -22,6 +22,7 @@ defmodule Mobilizon.GraphQL.Schema.ConfigType do
     field(:anonymous, :anonymous)
     field(:resource_providers, list_of(:resource_provider))
     field(:timezones, list_of(:string))
+    field(:features, :features)
 
     field(:terms, :terms, description: "The instance's terms") do
       arg(:locale, :string, default_value: "en")
@@ -105,6 +106,10 @@ defmodule Mobilizon.GraphQL.Schema.ConfigType do
     field(:software, :string)
   end
 
+  object :features do
+    field(:groups, :boolean)
+  end
+
   object :config_queries do
     @desc "Get the instance config"
     field :config, :config do
diff --git a/lib/mobilizon/config.ex b/lib/mobilizon/config.ex
index de488318..14f6de39 100644
--- a/lib/mobilizon/config.ex
+++ b/lib/mobilizon/config.ex
@@ -162,6 +162,8 @@ defmodule Mobilizon.Config do
     end
   end
 
+  def instance_group_feature_enabled?, do: Application.get_env(:mobilizon, :instance)[:groups]
+
   def anonymous_actor_id, do: get_cached_value(:anonymous_actor_id)
   def relay_actor_id, do: get_cached_value(:relay_actor_id)