diff --git a/.woodpecker/test.yml b/.woodpecker/test.yml
index 16a4067fe..c8b819ce8 100644
--- a/.woodpecker/test.yml
+++ b/.woodpecker/test.yml
@@ -7,6 +7,7 @@ matrix:
   ELIXIR_VERSION:
     - 1.14
     - 1.15
+    - 1.16
   OTP_VERSION:
     - 25
     - 26
@@ -17,6 +18,8 @@ matrix:
       OTP_VERSION: 25
     - ELIXIR_VERSION: 1.15
       OTP_VERSION: 26
+    - ELIXIR_VERSION: 1.16
+      OTP_VERSION: 26
 
 variables:
   - &scw-secrets
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 699aa30e2..e397a75d0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 ## Unreleased
 
 ## Added
+- Support for [FEP-fffd](https://codeberg.org/fediverse/fep/src/branch/main/fep/fffd/fep-fffd.md) (proxy objects)
+- Verified support for elixir 1.16
 
 ## Changed
 
diff --git a/docs/docs/installation/generic_dependencies.include b/docs/docs/installation/generic_dependencies.include
index b23736d85..d7701a28f 100644
--- a/docs/docs/installation/generic_dependencies.include
+++ b/docs/docs/installation/generic_dependencies.include
@@ -1,8 +1,8 @@
 ## Required dependencies
 
 * PostgreSQL 9.6+
-* Elixir 1.14+
-* Erlang OTP 25+
+* Elixir 1.14+ (currently tested up to 1.16)
+* Erlang OTP 25+ (currently tested up to OTP26)
 * git
 * file / libmagic
 * gcc (clang might also work)
diff --git a/lib/pleroma/web/activity_pub/object_validators/article_note_page_validator.ex b/lib/pleroma/web/activity_pub/object_validators/article_note_page_validator.ex
index ed1b90eab..d1cd496db 100644
--- a/lib/pleroma/web/activity_pub/object_validators/article_note_page_validator.ex
+++ b/lib/pleroma/web/activity_pub/object_validators/article_note_page_validator.ex
@@ -53,12 +53,11 @@ def cast_data(data) do
 
   defp fix_url(%{"url" => url} = data) when is_bitstring(url), do: data
   defp fix_url(%{"url" => url} = data) when is_map(url), do: Map.put(data, "url", url["href"])
+
   defp fix_url(%{"url" => url} = data) when is_list(url) do
-    if is_map(List.first(url)) do
-      Map.put(data, "url", List.first(url)["href"])
-    else
-      Map.put(data, "url", List.first(url))
-    end
+    data
+    |> Map.put("url", List.first(url))
+    |> fix_url()
   end
 
   defp fix_url(data), do: data
diff --git a/test/pleroma/web/activity_pub/object_validators/article_note_page_validator_test.exs b/test/pleroma/web/activity_pub/object_validators/article_note_page_validator_test.exs
index 1aaf9a566..4e96f3200 100644
--- a/test/pleroma/web/activity_pub/object_validators/article_note_page_validator_test.exs
+++ b/test/pleroma/web/activity_pub/object_validators/article_note_page_validator_test.exs
@@ -50,14 +50,17 @@ test "note with url array validates", %{note: note} do
     end
 
     test "note with url array validates if contains a link object", %{note: note} do
-      note = Map.put(note, "url", [%{
-        "type" => "Link",
-        "href" => "https://remote.example/link"
-      }])
+      note =
+        Map.put(note, "url", [
+          %{
+            "type" => "Link",
+            "href" => "https://remote.example/link"
+          }
+        ])
+
       %{valid?: true} = ArticleNotePageValidator.cast_and_validate(note)
     end
 
-
     test "a note with a language validates" do
       insert(:user, %{ap_id: "https://mastodon.social/users/akkoma_ap_integration_tester"})
       note = File.read!("test/fixtures/mastodon/note_with_language.json") |> Jason.decode!()