diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7e1b340df..39949f86f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,6 +16,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
   - other distributions are stable only
 - Support for Elixir 1.15
   - 1.14 is still supported
+  - OTP26 is currently "unsupported". It will probably work, but due to the way
+    it handles map ordering, the test suite will not pass for it as yet.
 
 ## Changed
 
@@ -25,6 +27,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
   If you use debian OTP builds you will have to update your local system to
   bookworm (currently: stable).
 - Blocks/Mutes now return from max ID to min ID, in line with mastodon.
+- The AnonymizeFilename filter is now enabled by default.
 
 ## Fixed
 
diff --git a/lib/pleroma/upload.ex b/lib/pleroma/upload.ex
index 2f65540be..99b6b5215 100644
--- a/lib/pleroma/upload.ex
+++ b/lib/pleroma/upload.ex
@@ -63,6 +63,9 @@ defmodule Pleroma.Upload do
           blurhash: String.t(),
           path: String.t()
         }
+
+  @always_enabled_filters [Pleroma.Upload.Filter.AnonymizeFilename]
+
   defstruct [:id, :name, :tempfile, :content_type, :width, :height, :blurhash, :path]
 
   @spec store(source, options :: [option()]) :: {:ok, Map.t()} | {:error, any()}
@@ -132,7 +135,11 @@ defmodule Pleroma.Upload do
       activity_type: Keyword.get(opts, :activity_type, activity_type),
       size_limit: Keyword.get(opts, :size_limit, size_limit),
       uploader: Keyword.get(opts, :uploader, Pleroma.Config.get([__MODULE__, :uploader])),
-      filters: Keyword.get(opts, :filters, Pleroma.Config.get([__MODULE__, :filters])),
+      filters:
+        Enum.uniq(
+          Keyword.get(opts, :filters, Pleroma.Config.get([__MODULE__, :filters])) ++
+            @always_enabled_filters
+        ),
       description: Keyword.get(opts, :description),
       base_url: base_url()
     }
diff --git a/test/pleroma/web/mastodon_api/controllers/account_controller_test.exs b/test/pleroma/web/mastodon_api/controllers/account_controller_test.exs
index 3e2f0cec1..6ca9cfc50 100644
--- a/test/pleroma/web/mastodon_api/controllers/account_controller_test.exs
+++ b/test/pleroma/web/mastodon_api/controllers/account_controller_test.exs
@@ -1784,21 +1784,21 @@ defmodule Pleroma.Web.MastodonAPI.AccountControllerTest do
       |> get("/api/v1/mutes")
       |> json_response_and_validate_schema(200)
 
-    assert [id1, id2, id3] == Enum.map(result, & &1["id"])
+    assert [id3, id2, id1] == Enum.map(result, & &1["id"])
 
     result =
       conn
       |> get("/api/v1/mutes?limit=1")
       |> json_response_and_validate_schema(200)
 
-    assert [%{"id" => ^id1}] = result
+    assert [%{"id" => ^id3}] = result
 
     result =
       conn
       |> get("/api/v1/mutes?since_id=#{id1}")
       |> json_response_and_validate_schema(200)
 
-    assert [%{"id" => ^id2}, %{"id" => ^id3}] = result
+    assert [%{"id" => ^id3}, %{"id" => ^id2}] = result
 
     result =
       conn
@@ -1812,7 +1812,7 @@ defmodule Pleroma.Web.MastodonAPI.AccountControllerTest do
       |> get("/api/v1/mutes?since_id=#{id1}&limit=1")
       |> json_response_and_validate_schema(200)
 
-    assert [%{"id" => ^id2}] = result
+    assert [%{"id" => ^id3}] = result
   end
 
   test "list of mutes with with_relationships parameter" do
@@ -1831,7 +1831,7 @@ defmodule Pleroma.Web.MastodonAPI.AccountControllerTest do
 
     assert [
              %{
-               "id" => ^id1,
+               "id" => ^id3,
                "pleroma" => %{"relationship" => %{"muting" => true, "followed_by" => true}}
              },
              %{
@@ -1839,7 +1839,7 @@ defmodule Pleroma.Web.MastodonAPI.AccountControllerTest do
                "pleroma" => %{"relationship" => %{"muting" => true, "followed_by" => true}}
              },
              %{
-               "id" => ^id3,
+               "id" => ^id1,
                "pleroma" => %{"relationship" => %{"muting" => true, "followed_by" => true}}
              }
            ] =
@@ -1864,7 +1864,7 @@ defmodule Pleroma.Web.MastodonAPI.AccountControllerTest do
       |> get("/api/v1/blocks")
       |> json_response_and_validate_schema(200)
 
-    assert [id1, id2, id3] == Enum.map(result, & &1["id"])
+    assert [id3, id2, id1] == Enum.map(result, & &1["id"])
 
     result =
       conn
@@ -1872,7 +1872,7 @@ defmodule Pleroma.Web.MastodonAPI.AccountControllerTest do
       |> get("/api/v1/blocks?limit=1")
       |> json_response_and_validate_schema(200)
 
-    assert [%{"id" => ^id1}] = result
+    assert [%{"id" => ^id3}] = result
 
     result =
       conn
@@ -1880,7 +1880,7 @@ defmodule Pleroma.Web.MastodonAPI.AccountControllerTest do
       |> get("/api/v1/blocks?since_id=#{id1}")
       |> json_response_and_validate_schema(200)
 
-    assert [%{"id" => ^id2}, %{"id" => ^id3}] = result
+    assert [%{"id" => ^id3}, %{"id" => ^id2}] = result
 
     result =
       conn
@@ -1896,7 +1896,7 @@ defmodule Pleroma.Web.MastodonAPI.AccountControllerTest do
       |> get("/api/v1/blocks?since_id=#{id1}&limit=1")
       |> json_response_and_validate_schema(200)
 
-    assert [%{"id" => ^id2}] = result
+    assert [%{"id" => ^id3}] = result
   end
 
   test "list of blocks with with_relationships parameter" do