Phoenix detects the webfinger requests with content-type application/jrd+json as "jrd" now

lib/pleroma/web/router.ex

@@ -182,7 +182,7 @@ defmodule Pleroma.Web.Router do
   end
 
   pipeline :well_known do
-    plug(:accepts, ["json", "jrd+json", "xml", "xrd+xml"])
+    plug(:accepts, ["json", "jrd", "jrd+json", "xml", "xrd+xml"])
   end
 
   pipeline :config do

lib/pleroma/web/web_finger/web_finger_controller.ex

@@ -30,7 +30,7 @@ defmodule Pleroma.Web.WebFinger.WebFingerController do
   end
 
   def webfinger(%{assigns: %{format: format}} = conn, %{"resource" => resource})
-      when format in ["json", "jrd+json"] do
+      when format in ["jrd", "json", "jrd+json"] do
     with {:ok, response} <- WebFinger.webfinger(resource, "JSON") do
       json(conn, response)
     else