diff --git a/lib/federation/activity_pub/activity_pub.ex b/lib/federation/activity_pub/activity_pub.ex
index a2852aa44..12ab02376 100644
--- a/lib/federation/activity_pub/activity_pub.ex
+++ b/lib/federation/activity_pub/activity_pub.ex
@@ -70,7 +70,7 @@ defmodule Mobilizon.Federation.ActivityPub do
           handle_existing_entity(url, entity, options)
 
         {:error, e} ->
-          Logger.warn("Something failed while fetching url #{url} #{inspect(e)}")
+          Logger.warning("Something failed while fetching url #{url} #{inspect(e)}")
           {:error, e}
       end
     else
diff --git a/lib/federation/activity_pub/fetcher.ex b/lib/federation/activity_pub/fetcher.ex
index af519ab59..1ffc008ab 100644
--- a/lib/federation/activity_pub/fetcher.ex
+++ b/lib/federation/activity_pub/fetcher.ex
@@ -65,7 +65,7 @@ defmodule Mobilizon.Federation.ActivityPub.Fetcher do
               {:error, :transmogrifier_error}
           end
         else
-          Logger.warn("Object origin check failed")
+          Logger.warning("Object origin check failed")
           {:error, :object_origin_check_failed}
         end
 
@@ -89,7 +89,7 @@ defmodule Mobilizon.Federation.ActivityPub.Fetcher do
             "object" => data
           })
         else
-          Logger.warn("Object origin check failed")
+          Logger.warning("Object origin check failed")
           {:error, :object_origin_check_failed}
         end
 
diff --git a/lib/federation/activity_pub/permission.ex b/lib/federation/activity_pub/permission.ex
index 7e78b317c..9c8628797 100644
--- a/lib/federation/activity_pub/permission.ex
+++ b/lib/federation/activity_pub/permission.ex
@@ -89,13 +89,13 @@ defmodule Mobilizon.Federation.ActivityPub.Permission do
         _ ->
           case permission do
             :access ->
-              Logger.warn("Actor #{actor_url} can't access #{object.url}")
+              Logger.warning("Actor #{actor_url} can't access #{object.url}")
 
             :update ->
-              Logger.warn("Actor #{actor_url} can't update #{object.url}")
+              Logger.warning("Actor #{actor_url} can't update #{object.url}")
 
             :delete ->
-              Logger.warn("Actor #{actor_url} can't delete #{object.url}")
+              Logger.warning("Actor #{actor_url} can't delete #{object.url}")
           end
 
           false
diff --git a/lib/federation/activity_pub/relay.ex b/lib/federation/activity_pub/relay.ex
index 9091ce30f..a45635cec 100644
--- a/lib/federation/activity_pub/relay.ex
+++ b/lib/federation/activity_pub/relay.ex
@@ -56,11 +56,11 @@ defmodule Mobilizon.Federation.ActivityPub.Relay do
       {:ok, activity, follow}
     else
       {:error, :person_no_follow} ->
-        Logger.warn("Only group and instances can be followed")
+        Logger.warning("Only group and instances can be followed")
         {:error, :person_no_follow}
 
       {:error, e} ->
-        Logger.warn("Error while following remote instance: #{inspect(e)}")
+        Logger.warning("Error while following remote instance: #{inspect(e)}")
         {:error, e}
     end
   end
@@ -78,7 +78,7 @@ defmodule Mobilizon.Federation.ActivityPub.Relay do
       {:ok, activity, follow}
     else
       {:error, e} ->
-        Logger.warn("Error while unfollowing remote instance: #{inspect(e)}")
+        Logger.warning("Error while unfollowing remote instance: #{inspect(e)}")
         {:error, e}
     end
   end
@@ -96,7 +96,7 @@ defmodule Mobilizon.Federation.ActivityPub.Relay do
       {:ok, activity, follow}
     else
       {:error, e} ->
-        Logger.warn("Error while accepting remote instance follow: #{inspect(e)}")
+        Logger.warning("Error while accepting remote instance follow: #{inspect(e)}")
         {:error, e}
     end
   end
@@ -114,7 +114,7 @@ defmodule Mobilizon.Federation.ActivityPub.Relay do
       {:ok, activity, follow}
     else
       {:error, e} ->
-        Logger.warn("Error while rejecting remote instance follow: #{inspect(e)}")
+        Logger.warning("Error while rejecting remote instance follow: #{inspect(e)}")
         {:error, e}
     end
   end
@@ -137,7 +137,7 @@ defmodule Mobilizon.Federation.ActivityPub.Relay do
       })
     else
       {:error, e} ->
-        Logger.warn("Error while refreshing remote instance: #{inspect(e)}")
+        Logger.warning("Error while refreshing remote instance: #{inspect(e)}")
         {:error, e}
     end
   end
diff --git a/lib/federation/activity_pub/transmogrifier.ex b/lib/federation/activity_pub/transmogrifier.ex
index 9348bb80b..dc8457961 100644
--- a/lib/federation/activity_pub/transmogrifier.ex
+++ b/lib/federation/activity_pub/transmogrifier.ex
@@ -203,7 +203,7 @@ defmodule Mobilizon.Federation.ActivityPub.Transmogrifier do
         Actions.Delete.delete(entity, Relay.get_actor(), false)
 
       {:error, err} ->
-        Logger.warn("Error while fetching object from URL: #{inspect(err)}")
+        Logger.warning("Error while fetching object from URL: #{inspect(err)}")
         :error
     end
   end
@@ -219,11 +219,11 @@ defmodule Mobilizon.Federation.ActivityPub.Transmogrifier do
       {:ok, activity, object}
     else
       {:error, :person_no_follow} ->
-        Logger.warn("Only group and instances can be followed")
+        Logger.warning("Only group and instances can be followed")
         :error
 
       {:error, e} ->
-        Logger.warn("Unable to handle Follow activity #{inspect(e)}")
+        Logger.warning("Unable to handle Follow activity #{inspect(e)}")
         :error
     end
   end
@@ -325,14 +325,14 @@ defmodule Mobilizon.Federation.ActivityPub.Transmogrifier do
         :error
 
       {:object_not_found, nil} ->
-        Logger.warn(
+        Logger.warning(
           "Unable to process Accept activity #{inspect(id)}. Object #{inspect(accepted_object)} wasn't found."
         )
 
         :error
 
       e ->
-        Logger.warn(
+        Logger.warning(
           "Unable to process Accept activity #{inspect(id)} for object #{inspect(accepted_object)} only returned #{inspect(e)}"
         )
 
@@ -353,14 +353,14 @@ defmodule Mobilizon.Federation.ActivityPub.Transmogrifier do
       {:ok, activity, object}
     else
       {:object_not_found, nil} ->
-        Logger.warn(
+        Logger.warning(
           "Unable to process Reject activity #{inspect(id)}. Object #{inspect(rejected_object)} wasn't found."
         )
 
         :error
 
       e ->
-        Logger.warn(
+        Logger.warning(
           "Unable to process Reject activity #{inspect(id)} for object #{inspect(rejected_object)} only returned #{inspect(e)}"
         )
 
@@ -405,7 +405,7 @@ defmodule Mobilizon.Federation.ActivityPub.Transmogrifier do
       {:ok, activity, new_actor}
     else
       {:error, :update_not_allowed} ->
-        Logger.warn(
+        Logger.warning(
           "Activity tried to update an actor that's local or not a group: #{inspect(params)}"
         )
 
@@ -485,7 +485,7 @@ defmodule Mobilizon.Federation.ActivityPub.Transmogrifier do
       {:ok, activity, new_post}
     else
       {:origin_check, _} ->
-        Logger.warn("Actor tried to update a post but doesn't has the required role")
+        Logger.warning("Actor tried to update a post but doesn't has the required role")
         :error
 
       _e ->
@@ -692,7 +692,7 @@ defmodule Mobilizon.Federation.ActivityPub.Transmogrifier do
       {:ok, activity, object}
     else
       {:only_organizer, true} ->
-        Logger.warn(
+        Logger.warning(
           "Actor #{inspect(actor)} tried to leave event #{inspect(object)} but it was the only organizer so we didn't detach it"
         )
 
@@ -742,14 +742,14 @@ defmodule Mobilizon.Federation.ActivityPub.Transmogrifier do
       Actions.Remove.remove(member, group, moderator, false)
     else
       {:is_admin, {:ok, %Member{}}} ->
-        Logger.warn(
+        Logger.warning(
           "Person #{inspect(actor)} is not an admin from #{inspect(origin)} and can't remove member #{inspect(object)}"
         )
 
         {:error, "Member already removed"}
 
       {:is_member, {:ok, %Member{role: :rejected}}} ->
-        Logger.warn("Member #{inspect(object)} already removed from #{inspect(origin)}")
+        Logger.warning("Member #{inspect(object)} already removed from #{inspect(origin)}")
         {:error, "Member already removed"}
     end
   end
@@ -949,7 +949,7 @@ defmodule Mobilizon.Federation.ActivityPub.Transmogrifier do
       {:ok, activity, participant}
     else
       {:join_event, {:ok, _activity, %Participant{role: :rejected}}} ->
-        Logger.warn(
+        Logger.warning(
           "Tried to handle an Reject activity on a Join activity with a event object but the participant is already rejected"
         )
 
@@ -1100,7 +1100,7 @@ defmodule Mobilizon.Federation.ActivityPub.Transmogrifier do
         {:ok, object}
 
       err ->
-        Logger.warn("Error while fetching #{inspect(object)}")
+        Logger.warning("Error while fetching #{inspect(object)}")
         {:error, err}
     end
   end
@@ -1242,7 +1242,7 @@ defmodule Mobilizon.Federation.ActivityPub.Transmogrifier do
              Permission.can_delete_group_object?(actor, entity) do
           Actions.Delete.delete(entity, actor, false)
         else
-          Logger.warn("Object origin check failed")
+          Logger.warning("Object origin check failed")
           :error
         end
 
diff --git a/lib/federation/activity_stream/converter/comment.ex b/lib/federation/activity_stream/converter/comment.ex
index 77a02daf6..9fb98823c 100644
--- a/lib/federation/activity_stream/converter/comment.ex
+++ b/lib/federation/activity_stream/converter/comment.ex
@@ -202,7 +202,7 @@ defmodule Mobilizon.Federation.ActivityStream.Converter.Comment do
 
         # Anything else is kind of a MP
         {:error, parent} ->
-          Logger.warn("Parent object is something we don't handle")
+          Logger.warning("Parent object is something we don't handle")
           Logger.debug(inspect(parent))
           data
       end
diff --git a/lib/graphql/api/reports.ex b/lib/graphql/api/reports.ex
index 561e269b5..d4467791c 100644
--- a/lib/graphql/api/reports.ex
+++ b/lib/graphql/api/reports.ex
@@ -57,7 +57,7 @@ defmodule Mobilizon.GraphQL.API.Reports do
           end
 
         if antispam_response != :ok do
-          Logger.warn("Antispam response has been #{inspect(antispam_response)}")
+          Logger.warning("Antispam response has been #{inspect(antispam_response)}")
         end
 
         {:ok, report}
diff --git a/lib/graphql/error.ex b/lib/graphql/error.ex
index 09b22a001..6223fd509 100644
--- a/lib/graphql/error.ex
+++ b/lib/graphql/error.ex
@@ -123,7 +123,7 @@ defmodule Mobilizon.GraphQL.Error do
   defp metadata(:unknown), do: {500, dgettext("errors", "Something went wrong")}
 
   defp metadata(code) do
-    Logger.warn("Unhandled error code: #{inspect(code)}")
+    Logger.warning("Unhandled error code: #{inspect(code)}")
     {422, to_string(code)}
   end
 
diff --git a/lib/mix/tasks/mobilizon/actors/refresh.ex b/lib/mix/tasks/mobilizon/actors/refresh.ex
index aafbfe22d..29249ef4d 100644
--- a/lib/mix/tasks/mobilizon/actors/refresh.ex
+++ b/lib/mix/tasks/mobilizon/actors/refresh.ex
@@ -87,7 +87,7 @@ defmodule Mix.Tasks.Mobilizon.Actors.Refresh do
   rescue
     _ ->
       if verbose do
-        Logger.warn("Failed to refresh #{username}")
+        Logger.warning("Failed to refresh #{username}")
       end
 
       nil
diff --git a/lib/service/git_status.ex b/lib/service/git_status.ex
index 92cc8eff1..a114bc431 100644
--- a/lib/service/git_status.ex
+++ b/lib/service/git_status.ex
@@ -10,7 +10,7 @@ defmodule Mobilizon.Service.GitStatus do
 
              _ ->
                # Fallback on Mix version
-               Logger.warn("Could not read git commit hash, using Mix version code instead.")
+               Logger.warning("Could not read git commit hash, using Mix version code instead.")
                Mix.Project.config()[:version]
            end)
 
diff --git a/lib/service/notifier/email.ex b/lib/service/notifier/email.ex
index 86027b631..acd213d2e 100644
--- a/lib/service/notifier/email.ex
+++ b/lib/service/notifier/email.ex
@@ -95,7 +95,7 @@ defmodule Mobilizon.Service.Notifier.Email do
   end
 
   defp can_send_activity?(activity, user, options) do
-    Logger.warn(
+    Logger.warning(
       "Can't check if user #{inspect(user)} can be sent an activity (#{inspect(activity)}) (#{inspect(options)})"
     )
 
diff --git a/lib/web/auth/guardian.ex b/lib/web/auth/guardian.ex
index d840adc1e..6675dba4a 100644
--- a/lib/web/auth/guardian.ex
+++ b/lib/web/auth/guardian.ex
@@ -44,7 +44,7 @@ defmodule Mobilizon.Web.Auth.Guardian do
       end
     rescue
       e in Ecto.NoResultsError ->
-        Logger.warn("Received token claim for non existing user: #{inspect(e)}")
+        Logger.warning("Received token claim for non existing user: #{inspect(e)}")
         {:error, :no_result}
     end
   end
diff --git a/lib/web/controllers/auth_controller.ex b/lib/web/controllers/auth_controller.ex
index 2f743d774..6c9c5081b 100644
--- a/lib/web/controllers/auth_controller.ex
+++ b/lib/web/controllers/auth_controller.ex
@@ -33,7 +33,7 @@ defmodule Mobilizon.Web.AuthController do
         %{assigns: %{ueberauth_failure: fails}} = conn,
         %{"provider" => provider} = _params
       ) do
-    Logger.warn("Unable to login user with #{provider} #{inspect(fails)}")
+    Logger.warning("Unable to login user with #{provider} #{inspect(fails)}")
 
     redirect_to_error(conn, :unknown_error, provider)
   end
@@ -75,7 +75,7 @@ defmodule Mobilizon.Web.AuthController do
       })
     else
       err ->
-        Logger.warn("Unable to login user \"#{email}\" #{inspect(err)}")
+        Logger.warning("Unable to login user \"#{email}\" #{inspect(err)}")
         redirect_to_error(conn, :unknown_error, strategy)
     end
   end
diff --git a/lib/web/controllers/feed_controller.ex b/lib/web/controllers/feed_controller.ex
index 7b103f7c3..7def12059 100644
--- a/lib/web/controllers/feed_controller.ex
+++ b/lib/web/controllers/feed_controller.ex
@@ -65,7 +65,7 @@ defmodule Mobilizon.Web.FeedController do
         {:error, :not_found}
 
       err ->
-        Logger.warn("Unable to find feed data cached for key #{key}, returned #{inspect(err)}")
+        Logger.warning("Unable to find feed data cached for key #{key}, returned #{inspect(err)}")
         {:error, :not_found}
     end
   end
@@ -89,7 +89,7 @@ defmodule Mobilizon.Web.FeedController do
         {:error, :not_found}
 
       err ->
-        Logger.warn("Unable to find feed data cached for key #{key}, returned #{inspect(err)}")
+        Logger.warning("Unable to find feed data cached for key #{key}, returned #{inspect(err)}")
         {:error, :not_found}
     end
   end
diff --git a/lib/web/email/group.ex b/lib/web/email/group.ex
index b4e5b03be..7423df301 100644
--- a/lib/web/email/group.ex
+++ b/lib/web/email/group.ex
@@ -70,7 +70,7 @@ defmodule Mobilizon.Web.Email.Group do
          %Actor{type: :Group, preferred_username: group_username},
          user
        ) do
-    Logger.warn(
+    Logger.warning(
       "Unable to notify group follower user #{user.email} for event #{event_uuid} from group #{group_username}"
     )
 
diff --git a/lib/web/proxy/reverse_proxy.ex b/lib/web/proxy/reverse_proxy.ex
index 940ae9e16..8a78ef277 100644
--- a/lib/web/proxy/reverse_proxy.ex
+++ b/lib/web/proxy/reverse_proxy.ex
@@ -126,7 +126,7 @@ defmodule Mobilizon.Web.ReverseProxy do
         |> halt()
 
       {:is_url, false} ->
-        Logger.warn("Tried to reverse proxy URL #{inspect(url)}")
+        Logger.warning("Tried to reverse proxy URL #{inspect(url)}")
 
         conn
         |> error_or_redirect(url, 400, "Request failed", opts)
@@ -202,7 +202,7 @@ defmodule Mobilizon.Web.ReverseProxy do
         halt(conn)
 
       {:error, error, conn} ->
-        Logger.warn(
+        Logger.warning(
           "#{__MODULE__} request to #{url} failed while reading/chunking: #{inspect(error)}"
         )
 
diff --git a/lib/web/templates/email/actor_suspension_participants.text.eex b/lib/web/templates/email/actor_suspension_participants.text.eex
index 6274d7b59..a319bab19 100644
--- a/lib/web/templates/email/actor_suspension_participants.text.eex
+++ b/lib/web/templates/email/actor_suspension_participants.text.eex
@@ -1,3 +1,3 @@
 <%= gettext "Your participation to %{event} on %{instance} has been cancelled!", event: @event.title, instance: @instance_name %>
 ==
-<%= gettext "Your instance's moderation team has decided to suspend %{actor_name} (%{actor_address}). All of their events have been removed and your participation to event %{event} cancelled.", actor_name: @actor.name || @actor.preferred_username, event: @event.title, actor_address: if @actor.domain, do: "@#{@actor.preferred_username}@#{@actor.domain}", else: "@#{@actor.preferred_username}" %>
+<%= gettext "Your instance's moderation team has decided to suspend %{actor_name} (%{actor_address}). All of their events have been removed and your participation to event %{event} cancelled.", actor_name: @actor.name || @actor.preferred_username, event: @event.title, actor_address: preferred_username_and_domain(@actor) %>
diff --git a/lib/web/templates/email/group_suspension.text.eex b/lib/web/templates/email/group_suspension.text.eex
index 13b72f201..ef74c48b6 100644
--- a/lib/web/templates/email/group_suspension.text.eex
+++ b/lib/web/templates/email/group_suspension.text.eex
@@ -1,6 +1,6 @@
 <%= gettext "The group %{group} has been suspended on %{instance}!", group: (@group.name || @group.preferred_username), instance: @instance_name %>
 ==
-<%= gettext "Your instance's moderation team has decided to suspend %{group_name} (%{group_address}). You are no longer a member of this group.", group_name: @group.name, group_address: if @group.domain, do: "@#{@group.preferred_username}@#{@group.domain}", else: "@#{@group.preferred_username}" %>
+<%= gettext "Your instance's moderation team has decided to suspend %{group_name} (%{group_address}). You are no longer a member of this group.", group_name: @group.name, group_address: preferred_username_and_domain(@group) %>
 <%= if is_nil(@group.domain) do %>
   <%= gettext "As this group was located on this instance, all of it's data has been irretrievably deleted." %>
 <% else %>
diff --git a/lib/web/upload/filter/analyze_metadata.ex b/lib/web/upload/filter/analyze_metadata.ex
index e644fd991..6a7c17280 100644
--- a/lib/web/upload/filter/analyze_metadata.ex
+++ b/lib/web/upload/filter/analyze_metadata.ex
@@ -25,7 +25,7 @@ defmodule Mobilizon.Web.Upload.Filter.AnalyzeMetadata do
   rescue
     e in ErlangError ->
       require Logger
-      Logger.warn("#{__MODULE__}: #{inspect(e)}")
+      Logger.warning("#{__MODULE__}: #{inspect(e)}")
       {:ok, :noop}
   end
 
diff --git a/lib/web/upload/filter/blurhash.ex b/lib/web/upload/filter/blurhash.ex
index 892b811dc..ec7ae05cf 100644
--- a/lib/web/upload/filter/blurhash.ex
+++ b/lib/web/upload/filter/blurhash.ex
@@ -15,7 +15,7 @@ defmodule Mobilizon.Web.Upload.Filter.BlurHash do
     {:ok, :filtered, %Upload{upload | blurhash: generate_blurhash(file)}}
   rescue
     e in ErlangError ->
-      Logger.warn("#{__MODULE__}: #{inspect(e)}")
+      Logger.warning("#{__MODULE__}: #{inspect(e)}")
       {:ok, :noop}
   end
 
diff --git a/lib/web/upload/filter/optimize.ex b/lib/web/upload/filter/optimize.ex
index e32ff84ca..67e42a5ed 100644
--- a/lib/web/upload/filter/optimize.ex
+++ b/lib/web/upload/filter/optimize.ex
@@ -28,11 +28,11 @@ defmodule Mobilizon.Web.Upload.Filter.Optimize do
         {:ok, :filtered}
 
       {:error, :file_not_found} ->
-        Logger.warn("Unable to optimize file #{file}. File was not found")
+        Logger.warning("Unable to optimize file #{file}. File was not found")
         {:error, :file_not_found}
 
       {:error, err} ->
-        Logger.warn(
+        Logger.warning(
           "Unable to optimize file #{file}. The return from the process was #{inspect(err)}"
         )
 
diff --git a/lib/web/views/error_view.ex b/lib/web/views/error_view.ex
index 73d5eec8a..6907b6ddb 100644
--- a/lib/web/views/error_view.ex
+++ b/lib/web/views/error_view.ex
@@ -70,7 +70,7 @@ defmodule Mobilizon.Web.ErrorView do
   # template is found, let's render it as 500
   def template_not_found(template, assigns) do
     require Logger
-    Logger.warn("Template #{inspect(template)} not found")
+    Logger.warning("Template #{inspect(template)} not found")
     render("500.html", assigns)
   end
 end