Ability to control the output of account/pleroma/relationship in statuses in order to improve the rendering performance.

See `[:extensions, output_relationships_in_statuses_by_default]` setting and `with_relationships` param.

config/config.exs

@@ -262,6 +262,8 @@ config :pleroma, :instance,
   extended_nickname_format: true,
   cleanup_attachments: false
 
+config :pleroma, :extensions, output_relationships_in_statuses_by_default: true
+
 config :pleroma, :feed,
   post_title: %{
     max_length: 100,

config/description.exs

@@ -121,6 +121,22 @@ config :pleroma, :config_description, [
       }
     ]
   },
+  %{
+    group: :pleroma,
+    key: :extensions,
+    type: :group,
+    description: "Pleroma-specific extensions",
+    children: [
+      %{
+        key: :output_relationships_in_statuses_by_default,
+        type: :beeolean,
+        description:
+          "If `true`, outputs account/pleroma/relationship map for each rendered status / notification (for all clients). " <>
+            "If `false`, outputs the above only if `with_relationships` param is tru-ish " <>
+            "(that breaks compatibility with older PleromaFE versions which do not send this param but expect the output)."
+      }
+    ]
+  },
   %{
     group: :pleroma,
     key: Pleroma.Uploaders.Local,