diff --git a/CHANGELOG.md b/CHANGELOG.md
index f7a372e11..1266d2dfe 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,8 +9,9 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 - Renamed `:await_up_timeout` in `:connections_pool` namespace to `:connect_timeout`, old name is deprecated.
 - Renamed `:timeout` in `pools` namespace to `:recv_timeout`, old name is deprecated.
+- The `discoverable` field in the `User` struct will now add a NOINDEX metatag to profile pages when false.
+- Users with the `discoverable` field set to false will not show up in searches.
 - Minimum lifetime for ephmeral activities changed to 10 minutes and made configurable (`:min_lifetime` option).
-
 ### Removed
 
 - **Breaking:** `Pleroma.Workers.Cron.StatsWorker` setting from Oban `:crontab` (moved to a simpler implementation).
@@ -19,12 +20,27 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - Removed `:managed_config` option. In practice, it was accidentally removed with 2.0.0 release when frontends were
 switched to a new configuration mechanism, however it was not officially removed until now.
 
-## unreleased-patch - ???
+## [2.1.2] - 2020-09-17
+
+### Security
+
+- Fix most MRF rules either crashing or not being applied to objects passed into the Common Pipeline (ChatMessage, Question, Answer, Audio, Event).
 
 ### Fixed
 
-- Welcome Chat messages preventing user registration with MRF Simple Policy applied to the local instance
-- Mastodon API: the public timeline returning an error when the `reply_visibility` parameter is set to `self` for an unauthenticated user
+- Welcome Chat messages preventing user registration with MRF Simple Policy applied to the local instance.
+- Mastodon API: the public timeline returning an error when the `reply_visibility` parameter is set to `self` for an unauthenticated user.
+- Mastodon Streaming API: Handler crashes on authentication failures, resulting in error logs.
+- Mastodon Streaming API: Error logs on client pings.
+- Rich media: Log spam on failures. Now the error is only logged once per attempt.
+
+### Changed
+
+- Rich Media: A HEAD request is now done to the url, to ensure it has the appropriate content type and size before proceeding with a GET.
+
+### Upgrade notes
+
+1. Restart Pleroma
 
 ## [2.1.1] - 2020-09-08
 
@@ -41,6 +57,12 @@ switched to a new configuration mechanism, however it was not officially removed
 ### Added
 - Rich media failure tracking (along with `:failure_backoff` option).
 
+<details>
+  <summary>Admin API Changes</summary>
+
+- Add `PATCH /api/pleroma/admin/instance_document/:document_name` to modify the Terms of Service and Instance Panel HTML pages via Admin API
+</details>
+
 ### Fixed
 - Default HTTP adapter not respecting pool setting, leading to possible OOM.
 - Fixed uploading webp images when the Exiftool Upload Filter is enabled by skipping them
diff --git a/docs/API/admin_api.md b/docs/API/admin_api.md
index c0ea074f0..7992db58f 100644
--- a/docs/API/admin_api.md
+++ b/docs/API/admin_api.md
@@ -1334,3 +1334,166 @@ Loads json generated from `config/descriptions.exs`.
 { }
 
 ```
+
+## GET /api/pleroma/admin/users/:nickname/chats
+
+### List a user's chats
+
+- Params: None
+
+- Response:
+
+```json
+[
+   {
+      "sender": {
+        "id": "someflakeid",
+        "username": "somenick",
+        ...
+      },
+      "receiver": {
+        "id": "someflakeid",
+        "username": "somenick",
+        ...
+      },
+      "id" : "1",
+      "unread" : 2,
+      "last_message" : {...}, // The last message in that chat
+      "updated_at": "2020-04-21T15:11:46.000Z"
+   }
+]
+```
+
+## GET /api/pleroma/admin/chats/:chat_id
+
+### View a single chat
+
+- Params: None
+
+- Response:
+
+```json
+{
+  "sender": {
+    "id": "someflakeid",
+    "username": "somenick",
+    ...
+  },
+  "receiver": {
+    "id": "someflakeid",
+    "username": "somenick",
+    ...
+  },
+  "id" : "1",
+  "unread" : 2,
+  "last_message" : {...}, // The last message in that chat
+  "updated_at": "2020-04-21T15:11:46.000Z"
+}
+```
+
+## GET /api/pleroma/admin/chats/:chat_id/messages
+
+### List the messages in a chat
+
+- Params: `max_id`, `min_id`
+
+- Response:
+
+```json
+[
+  {
+    "account_id": "someflakeid",
+    "chat_id": "1",
+    "content": "Check this out :firefox:",
+    "created_at": "2020-04-21T15:11:46.000Z",
+    "emojis": [
+      {
+        "shortcode": "firefox",
+        "static_url": "https://dontbulling.me/emoji/Firefox.gif",
+        "url": "https://dontbulling.me/emoji/Firefox.gif",
+        "visible_in_picker": false
+      }
+    ],
+    "id": "13",
+    "unread": true
+  },
+  {
+    "account_id": "someflakeid",
+    "chat_id": "1",
+    "content": "Whats' up?",
+    "created_at": "2020-04-21T15:06:45.000Z",
+    "emojis": [],
+    "id": "12",
+    "unread": false
+  }
+]
+```
+
+## DELETE /api/pleroma/admin/chats/:chat_id/messages/:message_id
+
+### Delete a single message
+
+- Params: None
+
+- Response:
+
+```json
+{
+  "account_id": "someflakeid",
+  "chat_id": "1",
+  "content": "Check this out :firefox:",
+  "created_at": "2020-04-21T15:11:46.000Z",
+  "emojis": [
+    {
+      "shortcode": "firefox",
+      "static_url": "https://dontbulling.me/emoji/Firefox.gif",
+      "url": "https://dontbulling.me/emoji/Firefox.gif",
+      "visible_in_picker": false
+    }
+  ],
+  "id": "13",
+  "unread": false
+}
+```
+
+## `GET /api/pleroma/admin/instance_document/:document_name`
+
+### Get an instance document
+
+- Authentication: required
+
+- Response:
+
+Returns the content of the document
+
+```html
+<h1>Instance panel</h1>
+```
+
+## `PATCH /api/pleroma/admin/instance_document/:document_name`
+- Params:
+  - `file` (the file to be uploaded, using multipart form data.)
+
+### Update an instance document
+
+- Authentication: required
+
+- Response:
+
+``` json
+{
+  "url": "https://example.com/instance/panel.html"
+}
+```
+
+## `DELETE /api/pleroma/admin/instance_document/:document_name`
+
+### Delete an instance document
+
+- Response:
+
+``` json
+{
+  "url": "https://example.com/instance/panel.html"
+}
+```
diff --git a/lib/mix/tasks/pleroma/config.ex b/lib/mix/tasks/pleroma/config.ex
index 904c5a74b..18f99318d 100644
--- a/lib/mix/tasks/pleroma/config.ex
+++ b/lib/mix/tasks/pleroma/config.ex
@@ -32,7 +32,8 @@ def run(["migrate_from_db" | options]) do
 
   @spec migrate_to_db(Path.t() | nil) :: any()
   def migrate_to_db(file_path \\ nil) do
-    if Pleroma.Config.get([:configurable_from_database]) do
+    with true <- Pleroma.Config.get([:configurable_from_database]),
+         :ok <- Pleroma.Config.DeprecationWarnings.warn() do
       config_file =
         if file_path do
           file_path
@@ -46,7 +47,8 @@ def migrate_to_db(file_path \\ nil) do
 
       do_migrate_to_db(config_file)
     else
-      migration_error()
+      :error -> deprecation_error()
+      _ -> migration_error()
     end
   end
 
@@ -120,6 +122,10 @@ defp migration_error do
     )
   end
 
+  defp deprecation_error do
+    shell_error("Migration is not allowed until all deprecation warnings have been resolved.")
+  end
+
   if Code.ensure_loaded?(Config.Reader) do
     defp config_header, do: "import Config\r\n\r\n"
     defp read_file(config_file), do: Config.Reader.read_imports!(config_file)
diff --git a/lib/pleroma/chat.ex b/lib/pleroma/chat.ex
index 24a86371e..84f8806a0 100644
--- a/lib/pleroma/chat.ex
+++ b/lib/pleroma/chat.ex
@@ -6,7 +6,9 @@ defmodule Pleroma.Chat do
   use Ecto.Schema
 
   import Ecto.Changeset
+  import Ecto.Query
 
+  alias Pleroma.Chat
   alias Pleroma.Repo
   alias Pleroma.User
 
@@ -69,4 +71,12 @@ def bump_or_create(user_id, recipient) do
       conflict_target: [:user_id, :recipient]
     )
   end
+
+  @spec for_user_query(FlakeId.Ecto.CompatType.t()) :: Ecto.Query.t()
+  def for_user_query(user_id) do
+    from(c in Chat,
+      where: c.user_id == ^user_id,
+      order_by: [desc: c.updated_at]
+    )
+  end
 end
diff --git a/lib/pleroma/config/deprecation_warnings.ex b/lib/pleroma/config/deprecation_warnings.ex
index 412d55a77..98c4dc9c8 100644
--- a/lib/pleroma/config/deprecation_warnings.ex
+++ b/lib/pleroma/config/deprecation_warnings.ex
@@ -26,6 +26,10 @@ def check_hellthread_threshold do
       !!!DEPRECATION WARNING!!!
       You are using the old configuration mechanism for the hellthread filter. Please check config.md.
       """)
+
+      :error
+    else
+      :ok
     end
   end
 
@@ -47,17 +51,26 @@ def mrf_user_allowlist do
 
       config :pleroma, :mrf_user_allowlist, #{inspect(rewritten, pretty: true)}
       """)
+
+      :error
+    else
+      :ok
     end
   end
 
   def warn do
-    check_hellthread_threshold()
-    mrf_user_allowlist()
-    check_old_mrf_config()
-    check_media_proxy_whitelist_config()
-    check_welcome_message_config()
-    check_gun_pool_options()
-    check_activity_expiration_config()
+    with :ok <- check_hellthread_threshold(),
+         :ok <- mrf_user_allowlist(),
+         :ok <- check_old_mrf_config(),
+         :ok <- check_media_proxy_whitelist_config(),
+         :ok <- check_welcome_message_config(),
+         :ok <- check_gun_pool_options(),
+         :ok <- check_activity_expiration_config() do
+      :ok
+    else
+      _ ->
+        :error
+    end
   end
 
   def check_welcome_message_config do
@@ -74,6 +87,10 @@ def check_welcome_message_config do
       \n* `config :pleroma, :instance, welcome_user_nickname` is now `config :pleroma, :welcome, :direct_message, :sender_nickname`
       \n* `config :pleroma, :instance, welcome_message` is now `config :pleroma, :welcome, :direct_message, :message`
       """)
+
+      :error
+    else
+      :ok
     end
   end
 
@@ -101,8 +118,11 @@ def move_namespace_and_warn(config_map, warning_preface) do
           end
       end)
 
-    if warning != "" do
+    if warning == "" do
+      :ok
+    else
       Logger.warn(warning_preface <> warning)
+      :error
     end
   end
 
@@ -115,6 +135,10 @@ def check_media_proxy_whitelist_config do
       !!!DEPRECATION WARNING!!!
       Your config is using old format (only domain) for MediaProxy whitelist option. Setting should work for now, but you are advised to change format to scheme with port to prevent possible issues later.
       """)
+
+      :error
+    else
+      :ok
     end
   end
 
@@ -157,6 +181,9 @@ def check_gun_pool_options do
       Logger.warn(Enum.join([warning_preface | pool_warnings]))
 
       Config.put(:pools, updated_config)
+      :error
+    else
+      :ok
     end
   end
 
diff --git a/lib/pleroma/moderation_log.ex b/lib/pleroma/moderation_log.ex
index 31c9afe2a..47036a6f6 100644
--- a/lib/pleroma/moderation_log.ex
+++ b/lib/pleroma/moderation_log.ex
@@ -320,6 +320,19 @@ def insert_log(%{
     |> insert_log_entry_with_message()
   end
 
+  @spec insert_log(%{actor: User, action: String.t(), subject_id: String.t()}) ::
+          {:ok, ModerationLog} | {:error, any}
+  def insert_log(%{actor: %User{} = actor, action: "chat_message_delete", subject_id: subject_id}) do
+    %ModerationLog{
+      data: %{
+        "actor" => %{"nickname" => actor.nickname},
+        "action" => "chat_message_delete",
+        "subject_id" => subject_id
+      }
+    }
+    |> insert_log_entry_with_message()
+  end
+
   @spec insert_log_entry_with_message(ModerationLog) :: {:ok, ModerationLog} | {:error, any}
   defp insert_log_entry_with_message(entry) do
     entry.data["message"]
@@ -627,6 +640,17 @@ def get_log_entry_message(%ModerationLog{
     "@#{actor_nickname} updated users: #{users_to_nicknames_string(subjects)}"
   end
 
+  @spec get_log_entry_message(ModerationLog) :: String.t()
+  def get_log_entry_message(%ModerationLog{
+        data: %{
+          "actor" => %{"nickname" => actor_nickname},
+          "action" => "chat_message_delete",
+          "subject_id" => subject_id
+        }
+      }) do
+    "@#{actor_nickname} deleted chat message ##{subject_id}"
+  end
+
   defp nicknames_to_string(nicknames) do
     nicknames
     |> Enum.map(&"@#{&1}")
diff --git a/lib/pleroma/user/search.ex b/lib/pleroma/user/search.ex
index 7babd47ea..b8c648672 100644
--- a/lib/pleroma/user/search.ex
+++ b/lib/pleroma/user/search.ex
@@ -52,6 +52,7 @@ defp search_query(query_string, for_user, following) do
     |> base_query(following)
     |> filter_blocked_user(for_user)
     |> filter_invisible_users()
+    |> filter_discoverable_users()
     |> filter_internal_users()
     |> filter_blocked_domains(for_user)
     |> fts_search(query_string)
@@ -122,6 +123,10 @@ defp filter_invisible_users(query) do
     from(q in query, where: q.invisible == false)
   end
 
+  defp filter_discoverable_users(query) do
+    from(q in query, where: q.discoverable == true)
+  end
+
   defp filter_internal_users(query) do
     from(q in query, where: q.actor_type != "Application")
   end
diff --git a/lib/pleroma/web/activity_pub/mrf.ex b/lib/pleroma/web/activity_pub/mrf.ex
index 206d6af52..5e5361082 100644
--- a/lib/pleroma/web/activity_pub/mrf.ex
+++ b/lib/pleroma/web/activity_pub/mrf.ex
@@ -5,16 +5,34 @@
 defmodule Pleroma.Web.ActivityPub.MRF do
   @callback filter(Map.t()) :: {:ok | :reject, Map.t()}
 
-  def filter(policies, %{} = object) do
+  def filter(policies, %{} = message) do
     policies
-    |> Enum.reduce({:ok, object}, fn
-      policy, {:ok, object} -> policy.filter(object)
+    |> Enum.reduce({:ok, message}, fn
+      policy, {:ok, message} -> policy.filter(message)
       _, error -> error
     end)
   end
 
   def filter(%{} = object), do: get_policies() |> filter(object)
 
+  def pipeline_filter(%{} = message, meta) do
+    object = meta[:object_data]
+    ap_id = message["object"]
+
+    if object && ap_id do
+      with {:ok, message} <- filter(Map.put(message, "object", object)) do
+        meta = Keyword.put(meta, :object_data, message["object"])
+        {:ok, Map.put(message, "object", ap_id), meta}
+      else
+        {err, message} -> {err, message, meta}
+      end
+    else
+      {err, message} = filter(message)
+
+      {err, message, meta}
+    end
+  end
+
   def get_policies do
     Pleroma.Config.get([:mrf, :policies], []) |> get_policies()
   end
diff --git a/lib/pleroma/web/activity_pub/mrf/keyword_policy.ex b/lib/pleroma/web/activity_pub/mrf/keyword_policy.ex
index 15e09dcf0..db66cfa3e 100644
--- a/lib/pleroma/web/activity_pub/mrf/keyword_policy.ex
+++ b/lib/pleroma/web/activity_pub/mrf/keyword_policy.ex
@@ -20,9 +20,17 @@ defp string_matches?(string, pattern) do
     String.match?(string, pattern)
   end
 
-  defp check_reject(%{"object" => %{"content" => content, "summary" => summary}} = message) do
+  defp object_payload(%{} = object) do
+    [object["content"], object["summary"], object["name"]]
+    |> Enum.filter(& &1)
+    |> Enum.join("\n")
+  end
+
+  defp check_reject(%{"object" => %{} = object} = message) do
+    payload = object_payload(object)
+
     if Enum.any?(Pleroma.Config.get([:mrf_keyword, :reject]), fn pattern ->
-         string_matches?(content, pattern) or string_matches?(summary, pattern)
+         string_matches?(payload, pattern)
        end) do
       {:reject, "[KeywordPolicy] Matches with rejected keyword"}
     else
@@ -30,12 +38,12 @@ defp check_reject(%{"object" => %{"content" => content, "summary" => summary}} =
     end
   end
 
-  defp check_ftl_removal(
-         %{"to" => to, "object" => %{"content" => content, "summary" => summary}} = message
-       ) do
+  defp check_ftl_removal(%{"to" => to, "object" => %{} = object} = message) do
+    payload = object_payload(object)
+
     if Pleroma.Constants.as_public() in to and
          Enum.any?(Pleroma.Config.get([:mrf_keyword, :federated_timeline_removal]), fn pattern ->
-           string_matches?(content, pattern) or string_matches?(summary, pattern)
+           string_matches?(payload, pattern)
          end) do
       to = List.delete(to, Pleroma.Constants.as_public())
       cc = [Pleroma.Constants.as_public() | message["cc"] || []]
@@ -51,35 +59,24 @@ defp check_ftl_removal(
     end
   end
 
-  defp check_replace(%{"object" => %{"content" => content, "summary" => summary}} = message) do
-    content =
-      if is_binary(content) do
-        content
-      else
-        ""
-      end
+  defp check_replace(%{"object" => %{} = object} = message) do
+    object =
+      ["content", "name", "summary"]
+      |> Enum.filter(fn field -> Map.has_key?(object, field) && object[field] end)
+      |> Enum.reduce(object, fn field, object ->
+        data =
+          Enum.reduce(
+            Pleroma.Config.get([:mrf_keyword, :replace]),
+            object[field],
+            fn {pat, repl}, acc -> String.replace(acc, pat, repl) end
+          )
 
-    summary =
-      if is_binary(summary) do
-        summary
-      else
-        ""
-      end
+        Map.put(object, field, data)
+      end)
 
-    {content, summary} =
-      Enum.reduce(
-        Pleroma.Config.get([:mrf_keyword, :replace]),
-        {content, summary},
-        fn {pattern, replacement}, {content_acc, summary_acc} ->
-          {String.replace(content_acc, pattern, replacement),
-           String.replace(summary_acc, pattern, replacement)}
-        end
-      )
+    message = Map.put(message, "object", object)
 
-    {:ok,
-     message
-     |> put_in(["object", "content"], content)
-     |> put_in(["object", "summary"], summary)}
+    {:ok, message}
   end
 
   @impl true
diff --git a/lib/pleroma/web/activity_pub/mrf/subchain_policy.ex b/lib/pleroma/web/activity_pub/mrf/subchain_policy.ex
index c9f20571f..048052da6 100644
--- a/lib/pleroma/web/activity_pub/mrf/subchain_policy.ex
+++ b/lib/pleroma/web/activity_pub/mrf/subchain_policy.ex
@@ -28,8 +28,7 @@ def filter(%{"actor" => actor} = message) do
         }"
       )
 
-      subchain
-      |> MRF.filter(message)
+      MRF.filter(subchain, message)
     else
       _e -> {:ok, message}
     end
diff --git a/lib/pleroma/web/activity_pub/pipeline.ex b/lib/pleroma/web/activity_pub/pipeline.ex
index 36e325c37..2db86f116 100644
--- a/lib/pleroma/web/activity_pub/pipeline.ex
+++ b/lib/pleroma/web/activity_pub/pipeline.ex
@@ -26,13 +26,17 @@ def common_pipeline(object, meta) do
 
       {:error, e} ->
         {:error, e}
+
+      {:reject, e} ->
+        {:reject, e}
     end
   end
 
   def do_common_pipeline(object, meta) do
     with {_, {:ok, validated_object, meta}} <-
            {:validate_object, ObjectValidator.validate(object, meta)},
-         {_, {:ok, mrfd_object}} <- {:mrf_object, MRF.filter(validated_object)},
+         {_, {:ok, mrfd_object, meta}} <-
+           {:mrf_object, MRF.pipeline_filter(validated_object, meta)},
          {_, {:ok, activity, meta}} <-
            {:persist_object, ActivityPub.persist(mrfd_object, meta)},
          {_, {:ok, activity, meta}} <-
@@ -40,7 +44,7 @@ def do_common_pipeline(object, meta) do
          {_, {:ok, _}} <- {:federation, maybe_federate(activity, meta)} do
       {:ok, activity, meta}
     else
-      {:mrf_object, {:reject, _}} -> {:ok, nil, meta}
+      {:mrf_object, {:reject, message, _}} -> {:reject, message}
       e -> {:error, e}
     end
   end
diff --git a/lib/pleroma/web/admin_api/controllers/admin_api_controller.ex b/lib/pleroma/web/admin_api/controllers/admin_api_controller.ex
index f5e4d49f9..d5713c3dd 100644
--- a/lib/pleroma/web/admin_api/controllers/admin_api_controller.ex
+++ b/lib/pleroma/web/admin_api/controllers/admin_api_controller.ex
@@ -23,8 +23,6 @@ defmodule Pleroma.Web.AdminAPI.AdminAPIController do
   alias Pleroma.Web.Endpoint
   alias Pleroma.Web.Router
 
-  require Logger
-
   @users_page_size 50
 
   plug(
@@ -68,6 +66,12 @@ defmodule Pleroma.Web.AdminAPI.AdminAPIController do
     when action in [:list_user_statuses, :list_instance_statuses]
   )
 
+  plug(
+    OAuthScopesPlug,
+    %{scopes: ["read:chats"], admin: true}
+    when action in [:list_user_chats]
+  )
+
   plug(
     OAuthScopesPlug,
     %{scopes: ["read"], admin: true}
@@ -256,6 +260,20 @@ def list_user_statuses(%{assigns: %{user: admin}} = conn, %{"nickname" => nickna
     end
   end
 
+  def list_user_chats(%{assigns: %{user: admin}} = conn, %{"nickname" => nickname} = _params) do
+    with %User{id: user_id} <- User.get_cached_by_nickname_or_id(nickname, for: admin) do
+      chats =
+        Pleroma.Chat.for_user_query(user_id)
+        |> Pleroma.Repo.all()
+
+      conn
+      |> put_view(AdminAPI.ChatView)
+      |> render("index.json", chats: chats)
+    else
+      _ -> {:error, :not_found}
+    end
+  end
+
   def user_toggle_activation(%{assigns: %{user: admin}} = conn, %{"nickname" => nickname}) do
     user = User.get_cached_by_nickname(nickname)
 
diff --git a/lib/pleroma/web/admin_api/controllers/chat_controller.ex b/lib/pleroma/web/admin_api/controllers/chat_controller.ex
new file mode 100644
index 000000000..967600d69
--- /dev/null
+++ b/lib/pleroma/web/admin_api/controllers/chat_controller.ex
@@ -0,0 +1,85 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.AdminAPI.ChatController do
+  use Pleroma.Web, :controller
+
+  alias Pleroma.Activity
+  alias Pleroma.Chat
+  alias Pleroma.Chat.MessageReference
+  alias Pleroma.ModerationLog
+  alias Pleroma.Pagination
+  alias Pleroma.Plugs.OAuthScopesPlug
+  alias Pleroma.Web.AdminAPI
+  alias Pleroma.Web.CommonAPI
+  alias Pleroma.Web.PleromaAPI.Chat.MessageReferenceView
+
+  require Logger
+
+  plug(Pleroma.Web.ApiSpec.CastAndValidate)
+
+  plug(
+    OAuthScopesPlug,
+    %{scopes: ["read:chats"], admin: true} when action in [:show, :messages]
+  )
+
+  plug(
+    OAuthScopesPlug,
+    %{scopes: ["write:chats"], admin: true} when action in [:delete_message]
+  )
+
+  action_fallback(Pleroma.Web.AdminAPI.FallbackController)
+
+  defdelegate open_api_operation(action), to: Pleroma.Web.ApiSpec.Admin.ChatOperation
+
+  def delete_message(%{assigns: %{user: user}} = conn, %{
+        message_id: message_id,
+        id: chat_id
+      }) do
+    with %MessageReference{object: %{data: %{"id" => object_ap_id}}} = cm_ref <-
+           MessageReference.get_by_id(message_id),
+         ^chat_id <- to_string(cm_ref.chat_id),
+         %Activity{id: activity_id} <- Activity.get_create_by_object_ap_id(object_ap_id),
+         {:ok, _} <- CommonAPI.delete(activity_id, user) do
+      ModerationLog.insert_log(%{
+        action: "chat_message_delete",
+        actor: user,
+        subject_id: message_id
+      })
+
+      conn
+      |> put_view(MessageReferenceView)
+      |> render("show.json", chat_message_reference: cm_ref)
+    else
+      _e ->
+        {:error, :could_not_delete}
+    end
+  end
+
+  def messages(conn, %{id: id} = params) do
+    with %Chat{} = chat <- Chat.get_by_id(id) do
+      cm_refs =
+        chat
+        |> MessageReference.for_chat_query()
+        |> Pagination.fetch_paginated(params)
+
+      conn
+      |> put_view(MessageReferenceView)
+      |> render("index.json", chat_message_references: cm_refs)
+    else
+      _ ->
+        conn
+        |> put_status(:not_found)
+        |> json(%{error: "not found"})
+    end
+  end
+
+  def show(conn, %{id: id}) do
+    with %Chat{} = chat <- Chat.get_by_id(id) do
+      conn
+      |> put_view(AdminAPI.ChatView)
+      |> render("show.json", chat: chat)
+    end
+  end
+end
diff --git a/lib/pleroma/web/admin_api/controllers/instance_document_controller.ex b/lib/pleroma/web/admin_api/controllers/instance_document_controller.ex
new file mode 100644
index 000000000..504d9b517
--- /dev/null
+++ b/lib/pleroma/web/admin_api/controllers/instance_document_controller.ex
@@ -0,0 +1,41 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.AdminAPI.InstanceDocumentController do
+  use Pleroma.Web, :controller
+
+  alias Pleroma.Plugs.InstanceStatic
+  alias Pleroma.Plugs.OAuthScopesPlug
+  alias Pleroma.Web.InstanceDocument
+
+  plug(Pleroma.Web.ApiSpec.CastAndValidate)
+
+  action_fallback(Pleroma.Web.AdminAPI.FallbackController)
+
+  defdelegate open_api_operation(action), to: Pleroma.Web.ApiSpec.Admin.InstanceDocumentOperation
+
+  plug(OAuthScopesPlug, %{scopes: ["read"], admin: true} when action == :show)
+  plug(OAuthScopesPlug, %{scopes: ["write"], admin: true} when action in [:update, :delete])
+
+  def show(conn, %{name: document_name}) do
+    with {:ok, url} <- InstanceDocument.get(document_name),
+         {:ok, content} <- File.read(InstanceStatic.file_path(url)) do
+      conn
+      |> put_resp_content_type("text/html")
+      |> send_resp(200, content)
+    end
+  end
+
+  def update(%{body_params: %{file: file}} = conn, %{name: document_name}) do
+    with {:ok, url} <- InstanceDocument.put(document_name, file.path) do
+      json(conn, %{"url" => url})
+    end
+  end
+
+  def delete(conn, %{name: document_name}) do
+    with :ok <- InstanceDocument.delete(document_name) do
+      json(conn, %{})
+    end
+  end
+end
diff --git a/lib/pleroma/web/admin_api/views/chat_view.ex b/lib/pleroma/web/admin_api/views/chat_view.ex
new file mode 100644
index 000000000..847df1423
--- /dev/null
+++ b/lib/pleroma/web/admin_api/views/chat_view.ex
@@ -0,0 +1,30 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.AdminAPI.ChatView do
+  use Pleroma.Web, :view
+
+  alias Pleroma.Chat
+  alias Pleroma.User
+  alias Pleroma.Web.MastodonAPI
+  alias Pleroma.Web.PleromaAPI
+
+  def render("index.json", %{chats: chats} = opts) do
+    render_many(chats, __MODULE__, "show.json", Map.delete(opts, :chats))
+  end
+
+  def render("show.json", %{chat: %Chat{user_id: user_id}} = opts) do
+    user = User.get_by_id(user_id)
+    sender = MastodonAPI.AccountView.render("show.json", user: user, skip_visibility_check: true)
+
+    serialized_chat = PleromaAPI.ChatView.render("show.json", opts)
+
+    serialized_chat
+    |> Map.put(:sender, sender)
+    |> Map.put(:receiver, serialized_chat[:account])
+    |> Map.delete(:account)
+  end
+
+  def render(view, opts), do: PleromaAPI.ChatView.render(view, opts)
+end
diff --git a/lib/pleroma/web/admin_api/views/status_view.ex b/lib/pleroma/web/admin_api/views/status_view.ex
index 500800be2..6042a22b6 100644
--- a/lib/pleroma/web/admin_api/views/status_view.ex
+++ b/lib/pleroma/web/admin_api/views/status_view.ex
@@ -8,6 +8,7 @@ defmodule Pleroma.Web.AdminAPI.StatusView do
   require Pleroma.Constants
 
   alias Pleroma.Web.AdminAPI
+  alias Pleroma.Web.CommonAPI
   alias Pleroma.Web.MastodonAPI
 
   defdelegate merge_account_views(user), to: AdminAPI.AccountView
@@ -17,7 +18,7 @@ def render("index.json", opts) do
   end
 
   def render("show.json", %{activity: %{data: %{"object" => _object}} = activity} = opts) do
-    user = MastodonAPI.StatusView.get_user(activity.data["actor"])
+    user = CommonAPI.get_user(activity.data["actor"])
 
     MastodonAPI.StatusView.render("show.json", opts)
     |> Map.merge(%{account: merge_account_views(user)})
diff --git a/lib/pleroma/web/api_spec/operations/admin/chat_operation.ex b/lib/pleroma/web/api_spec/operations/admin/chat_operation.ex
new file mode 100644
index 000000000..d3e5dfc1c
--- /dev/null
+++ b/lib/pleroma/web/api_spec/operations/admin/chat_operation.ex
@@ -0,0 +1,96 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.ApiSpec.Admin.ChatOperation do
+  alias OpenApiSpex.Operation
+  alias Pleroma.Web.ApiSpec.Schemas.Chat
+  alias Pleroma.Web.ApiSpec.Schemas.ChatMessage
+
+  import Pleroma.Web.ApiSpec.Helpers
+
+  def open_api_operation(action) do
+    operation = String.to_existing_atom("#{action}_operation")
+    apply(__MODULE__, operation, [])
+  end
+
+  def delete_message_operation do
+    %Operation{
+      tags: ["admin", "chat"],
+      summary: "Delete an individual chat message",
+      operationId: "AdminAPI.ChatController.delete_message",
+      parameters: [
+        Operation.parameter(:id, :path, :string, "The ID of the Chat"),
+        Operation.parameter(:message_id, :path, :string, "The ID of the message")
+      ],
+      responses: %{
+        200 =>
+          Operation.response(
+            "The deleted ChatMessage",
+            "application/json",
+            ChatMessage
+          )
+      },
+      security: [
+        %{
+          "oAuth" => ["write:chats"]
+        }
+      ]
+    }
+  end
+
+  def messages_operation do
+    %Operation{
+      tags: ["admin", "chat"],
+      summary: "Get the most recent messages of the chat",
+      operationId: "AdminAPI.ChatController.messages",
+      parameters:
+        [Operation.parameter(:id, :path, :string, "The ID of the Chat")] ++
+          pagination_params(),
+      responses: %{
+        200 =>
+          Operation.response(
+            "The messages in the chat",
+            "application/json",
+            Pleroma.Web.ApiSpec.ChatOperation.chat_messages_response()
+          )
+      },
+      security: [
+        %{
+          "oAuth" => ["read:chats"]
+        }
+      ]
+    }
+  end
+
+  def show_operation do
+    %Operation{
+      tags: ["chat"],
+      summary: "Create a chat",
+      operationId: "AdminAPI.ChatController.show",
+      parameters: [
+        Operation.parameter(
+          :id,
+          :path,
+          :string,
+          "The id of the chat",
+          required: true,
+          example: "1234"
+        )
+      ],
+      responses: %{
+        200 =>
+          Operation.response(
+            "The existing chat",
+            "application/json",
+            Chat
+          )
+      },
+      security: [
+        %{
+          "oAuth" => ["read"]
+        }
+      ]
+    }
+  end
+end
diff --git a/lib/pleroma/web/api_spec/operations/admin/instance_document_operation.ex b/lib/pleroma/web/api_spec/operations/admin/instance_document_operation.ex
new file mode 100644
index 000000000..a120ff4e8
--- /dev/null
+++ b/lib/pleroma/web/api_spec/operations/admin/instance_document_operation.ex
@@ -0,0 +1,115 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.ApiSpec.Admin.InstanceDocumentOperation do
+  alias OpenApiSpex.Operation
+  alias OpenApiSpex.Schema
+  alias Pleroma.Web.ApiSpec.Helpers
+  alias Pleroma.Web.ApiSpec.Schemas.ApiError
+
+  def open_api_operation(action) do
+    operation = String.to_existing_atom("#{action}_operation")
+    apply(__MODULE__, operation, [])
+  end
+
+  def show_operation do
+    %Operation{
+      tags: ["Admin", "InstanceDocument"],
+      summary: "Get the instance document",
+      operationId: "AdminAPI.InstanceDocumentController.show",
+      security: [%{"oAuth" => ["read"]}],
+      parameters: [
+        Operation.parameter(:name, :path, %Schema{type: :string}, "The document name",
+          required: true
+        )
+        | Helpers.admin_api_params()
+      ],
+      responses: %{
+        200 => document_content(),
+        400 => Operation.response("Bad Request", "application/json", ApiError),
+        403 => Operation.response("Forbidden", "application/json", ApiError),
+        404 => Operation.response("Not Found", "application/json", ApiError)
+      }
+    }
+  end
+
+  def update_operation do
+    %Operation{
+      tags: ["Admin", "InstanceDocument"],
+      summary: "Update the instance document",
+      operationId: "AdminAPI.InstanceDocumentController.update",
+      security: [%{"oAuth" => ["write"]}],
+      requestBody: Helpers.request_body("Parameters", update_request()),
+      parameters: [
+        Operation.parameter(:name, :path, %Schema{type: :string}, "The document name",
+          required: true
+        )
+        | Helpers.admin_api_params()
+      ],
+      responses: %{
+        200 => Operation.response("InstanceDocument", "application/json", instance_document()),
+        400 => Operation.response("Bad Request", "application/json", ApiError),
+        403 => Operation.response("Forbidden", "application/json", ApiError),
+        404 => Operation.response("Not Found", "application/json", ApiError)
+      }
+    }
+  end
+
+  defp update_request do
+    %Schema{
+      title: "UpdateRequest",
+      description: "POST body for uploading the file",
+      type: :object,
+      required: [:file],
+      properties: %{
+        file: %Schema{
+          type: :string,
+          format: :binary,
+          description: "The file to be uploaded, using multipart form data."
+        }
+      }
+    }
+  end
+
+  def delete_operation do
+    %Operation{
+      tags: ["Admin", "InstanceDocument"],
+      summary: "Get the instance document",
+      operationId: "AdminAPI.InstanceDocumentController.delete",
+      security: [%{"oAuth" => ["write"]}],
+      parameters: [
+        Operation.parameter(:name, :path, %Schema{type: :string}, "The document name",
+          required: true
+        )
+        | Helpers.admin_api_params()
+      ],
+      responses: %{
+        200 => Operation.response("InstanceDocument", "application/json", instance_document()),
+        400 => Operation.response("Bad Request", "application/json", ApiError),
+        403 => Operation.response("Forbidden", "application/json", ApiError),
+        404 => Operation.response("Not Found", "application/json", ApiError)
+      }
+    }
+  end
+
+  defp instance_document do
+    %Schema{
+      title: "InstanceDocument",
+      type: :object,
+      properties: %{
+        url: %Schema{type: :string}
+      },
+      example: %{
+        "url" => "https://example.com/static/terms-of-service.html"
+      }
+    }
+  end
+
+  defp document_content do
+    Operation.response("InstanceDocumentContent", "text/html", %Schema{
+      type: :string,
+      example: "<h1>Instance panel</h1>"
+    })
+  end
+end
diff --git a/lib/pleroma/web/api_spec/operations/chat_operation.ex b/lib/pleroma/web/api_spec/operations/chat_operation.ex
index b1a0d26ab..56554d5b4 100644
--- a/lib/pleroma/web/api_spec/operations/chat_operation.ex
+++ b/lib/pleroma/web/api_spec/operations/chat_operation.ex
@@ -184,7 +184,8 @@ def post_chat_message_operation do
             "application/json",
             ChatMessage
           ),
-        400 => Operation.response("Bad Request", "application/json", ApiError)
+        400 => Operation.response("Bad Request", "application/json", ApiError),
+        422 => Operation.response("MRF Rejection", "application/json", ApiError)
       },
       security: [
         %{
diff --git a/lib/pleroma/web/api_spec/operations/status_operation.ex b/lib/pleroma/web/api_spec/operations/status_operation.ex
index 5bd4619d5..d7ebde6f6 100644
--- a/lib/pleroma/web/api_spec/operations/status_operation.ex
+++ b/lib/pleroma/web/api_spec/operations/status_operation.ex
@@ -55,7 +55,7 @@ def create_operation do
             "application/json",
             %Schema{oneOf: [Status, ScheduledStatus]}
           ),
-        422 => Operation.response("Bad Request", "application/json", ApiError)
+        422 => Operation.response("Bad Request / MRF Rejection", "application/json", ApiError)
       }
     }
   end
diff --git a/lib/pleroma/web/common_api/common_api.ex b/lib/pleroma/web/common_api/common_api.ex
index 500c3883e..60a50b027 100644
--- a/lib/pleroma/web/common_api/common_api.ex
+++ b/lib/pleroma/web/common_api/common_api.ex
@@ -48,6 +48,9 @@ def post_chat_message(%User{} = user, %User{} = recipient, content, opts \\ [])
               local: true
             )} do
       {:ok, activity}
+    else
+      {:common_pipeline, {:reject, _} = e} -> e
+      e -> e
     end
   end
 
@@ -550,4 +553,21 @@ def hide_reblogs(%User{} = user, %User{} = target) do
   def show_reblogs(%User{} = user, %User{} = target) do
     UserRelationship.delete_reblog_mute(user, target)
   end
+
+  def get_user(ap_id, fake_record_fallback \\ true) do
+    cond do
+      user = User.get_cached_by_ap_id(ap_id) ->
+        user
+
+      user = User.get_by_guessed_nickname(ap_id) ->
+        user
+
+      fake_record_fallback ->
+        # TODO: refactor (fake records is never a good idea)
+        User.error_user(ap_id)
+
+      true ->
+        nil
+    end
+  end
 end
diff --git a/lib/pleroma/web/instance_document.ex b/lib/pleroma/web/instance_document.ex
new file mode 100644
index 000000000..df5caebf0
--- /dev/null
+++ b/lib/pleroma/web/instance_document.ex
@@ -0,0 +1,62 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.InstanceDocument do
+  alias Pleroma.Config
+  alias Pleroma.Web.Endpoint
+
+  @instance_documents %{
+    "terms-of-service" => "/static/terms-of-service.html",
+    "instance-panel" => "/instance/panel.html"
+  }
+
+  @spec get(String.t()) :: {:ok, String.t()} | {:error, atom()}
+  def get(document_name) do
+    case Map.fetch(@instance_documents, document_name) do
+      {:ok, path} -> {:ok, path}
+      _ -> {:error, :not_found}
+    end
+  end
+
+  @spec put(String.t(), String.t()) :: {:ok, String.t()} | {:error, atom()}
+  def put(document_name, origin_path) do
+    with {_, {:ok, destination_path}} <-
+           {:instance_document, Map.fetch(@instance_documents, document_name)},
+         :ok <- put_file(origin_path, destination_path) do
+      {:ok, Path.join(Endpoint.url(), destination_path)}
+    else
+      {:instance_document, :error} -> {:error, :not_found}
+      error -> error
+    end
+  end
+
+  @spec delete(String.t()) :: :ok | {:error, atom()}
+  def delete(document_name) do
+    with {_, {:ok, path}} <- {:instance_document, Map.fetch(@instance_documents, document_name)},
+         instance_static_dir_path <- instance_static_dir(path),
+         :ok <- File.rm(instance_static_dir_path) do
+      :ok
+    else
+      {:instance_document, :error} -> {:error, :not_found}
+      {:error, :enoent} -> {:error, :not_found}
+      error -> error
+    end
+  end
+
+  defp put_file(origin_path, destination_path) do
+    with destination <- instance_static_dir(destination_path),
+         {_, :ok} <- {:mkdir_p, File.mkdir_p(Path.dirname(destination))},
+         {_, {:ok, _}} <- {:copy, File.copy(origin_path, destination)} do
+      :ok
+    else
+      {error, _} -> {:error, error}
+    end
+  end
+
+  defp instance_static_dir(filename) do
+    [:instance, :static_dir]
+    |> Config.get!()
+    |> Path.join(filename)
+  end
+end
diff --git a/lib/pleroma/web/mastodon_api/views/status_view.ex b/lib/pleroma/web/mastodon_api/views/status_view.ex
index ca42917fc..94b8dc8c6 100644
--- a/lib/pleroma/web/mastodon_api/views/status_view.ex
+++ b/lib/pleroma/web/mastodon_api/views/status_view.ex
@@ -55,23 +55,6 @@ defp get_replied_to_activities(activities) do
     end)
   end
 
-  def get_user(ap_id, fake_record_fallback \\ true) do
-    cond do
-      user = User.get_cached_by_ap_id(ap_id) ->
-        user
-
-      user = User.get_by_guessed_nickname(ap_id) ->
-        user
-
-      fake_record_fallback ->
-        # TODO: refactor (fake records is never a good idea)
-        User.error_user(ap_id)
-
-      true ->
-        nil
-    end
-  end
-
   defp get_context_id(%{data: %{"context_id" => context_id}}) when not is_nil(context_id),
     do: context_id
 
@@ -119,7 +102,7 @@ def render("index.json", opts) do
           # Note: unresolved users are filtered out
           actors =
             (activities ++ parent_activities)
-            |> Enum.map(&get_user(&1.data["actor"], false))
+            |> Enum.map(&CommonAPI.get_user(&1.data["actor"], false))
             |> Enum.filter(& &1)
 
           UserRelationship.view_relationships_option(reading_user, actors, subset: :source_mutes)
@@ -138,7 +121,7 @@ def render(
         "show.json",
         %{activity: %{data: %{"type" => "Announce", "object" => _object}} = activity} = opts
       ) do
-    user = get_user(activity.data["actor"])
+    user = CommonAPI.get_user(activity.data["actor"])
     created_at = Utils.to_masto_date(activity.data["published"])
     activity_object = Object.normalize(activity)
 
@@ -211,7 +194,7 @@ def render(
   def render("show.json", %{activity: %{data: %{"object" => _object}} = activity} = opts) do
     object = Object.normalize(activity)
 
-    user = get_user(activity.data["actor"])
+    user = CommonAPI.get_user(activity.data["actor"])
     user_follower_address = user.follower_address
 
     like_count = object.data["like_count"] || 0
@@ -265,7 +248,7 @@ def render("show.json", %{activity: %{data: %{"object" => _object}} = activity}
 
     reply_to = get_reply_to(activity, opts)
 
-    reply_to_user = reply_to && get_user(reply_to.data["actor"])
+    reply_to_user = reply_to && CommonAPI.get_user(reply_to.data["actor"])
 
     content =
       object
diff --git a/lib/pleroma/web/metadata/restrict_indexing.ex b/lib/pleroma/web/metadata/restrict_indexing.ex
index f15607896..a1dcb6e15 100644
--- a/lib/pleroma/web/metadata/restrict_indexing.ex
+++ b/lib/pleroma/web/metadata/restrict_indexing.ex
@@ -10,7 +10,9 @@ defmodule Pleroma.Web.Metadata.Providers.RestrictIndexing do
   """
 
   @impl true
-  def build_tags(%{user: %{local: false}}) do
+  def build_tags(%{user: %{local: true, discoverable: true}}), do: []
+
+  def build_tags(_) do
     [
       {:meta,
        [
@@ -19,7 +21,4 @@ def build_tags(%{user: %{local: false}}) do
        ], []}
     ]
   end
-
-  @impl true
-  def build_tags(%{user: %{local: true}}), do: []
 end
diff --git a/lib/pleroma/web/pleroma_api/controllers/chat_controller.ex b/lib/pleroma/web/pleroma_api/controllers/chat_controller.ex
index e8a1746d4..867cff829 100644
--- a/lib/pleroma/web/pleroma_api/controllers/chat_controller.ex
+++ b/lib/pleroma/web/pleroma_api/controllers/chat_controller.ex
@@ -90,6 +90,16 @@ def post_chat_message(
       conn
       |> put_view(MessageReferenceView)
       |> render("show.json", chat_message_reference: cm_ref)
+    else
+      {:reject, message} ->
+        conn
+        |> put_status(:unprocessable_entity)
+        |> json(%{error: message})
+
+      {:error, message} ->
+        conn
+        |> put_status(:bad_request)
+        |> json(%{error: message})
     end
   end
 
@@ -146,11 +156,8 @@ def index(%{assigns: %{user: %{id: user_id} = user}} = conn, _params) do
     blocked_ap_ids = User.blocked_users_ap_ids(user)
 
     chats =
-      from(c in Chat,
-        where: c.user_id == ^user_id,
-        where: c.recipient not in ^blocked_ap_ids,
-        order_by: [desc: c.updated_at]
-      )
+      Chat.for_user_query(user_id)
+      |> where([c], c.recipient not in ^blocked_ap_ids)
       |> Repo.all()
 
     conn
diff --git a/lib/pleroma/web/pleroma_api/views/scrobble_view.ex b/lib/pleroma/web/pleroma_api/views/scrobble_view.ex
index bbff93abe..95bd4c368 100644
--- a/lib/pleroma/web/pleroma_api/views/scrobble_view.ex
+++ b/lib/pleroma/web/pleroma_api/views/scrobble_view.ex
@@ -10,14 +10,14 @@ defmodule Pleroma.Web.PleromaAPI.ScrobbleView do
   alias Pleroma.Activity
   alias Pleroma.HTML
   alias Pleroma.Object
+  alias Pleroma.Web.CommonAPI
   alias Pleroma.Web.CommonAPI.Utils
   alias Pleroma.Web.MastodonAPI.AccountView
-  alias Pleroma.Web.MastodonAPI.StatusView
 
   def render("show.json", %{activity: %Activity{data: %{"type" => "Listen"}} = activity} = opts) do
     object = Object.normalize(activity)
 
-    user = StatusView.get_user(activity.data["actor"])
+    user = CommonAPI.get_user(activity.data["actor"])
     created_at = Utils.to_masto_date(activity.data["published"])
 
     %{
diff --git a/lib/pleroma/web/rich_media/parser.ex b/lib/pleroma/web/rich_media/parser.ex
index 33f6f1fa1..c70d2fdba 100644
--- a/lib/pleroma/web/rich_media/parser.ex
+++ b/lib/pleroma/web/rich_media/parser.ex
@@ -20,36 +20,61 @@ def parse(url) do
       with {:ok, data} <- get_cached_or_parse(url),
            {:ok, _} <- set_ttl_based_on_image(data, url) do
         {:ok, data}
-      else
-        {:error, {:invalid_metadata, data}} = e ->
-          Logger.debug(fn -> "Incomplete or invalid metadata for #{url}: #{inspect(data)}" end)
-          e
-
-        error ->
-          Logger.error(fn -> "Rich media error for #{url}: #{inspect(error)}" end)
-          error
       end
     end
 
     defp get_cached_or_parse(url) do
-      case Cachex.fetch!(:rich_media_cache, url, fn _ -> {:commit, parse_url(url)} end) do
-        {:ok, _data} = res ->
-          res
+      case Cachex.fetch(:rich_media_cache, url, fn ->
+             case parse_url(url) do
+               {:ok, _} = res ->
+                 {:commit, res}
 
-        {:error, :body_too_large} = e ->
-          e
+               {:error, reason} = e ->
+                 # Unfortunately we have to log errors here, instead of doing that
+                 # along with ttl setting at the bottom. Otherwise we can get log spam
+                 # if more than one process was waiting for the rich media card
+                 # while it was generated. Ideally we would set ttl here as well,
+                 # so we don't override it number_of_waiters_on_generation
+                 # times, but one, obviously, can't set ttl for not-yet-created entry
+                 # and Cachex doesn't support returning ttl from the fetch callback.
+                 log_error(url, reason)
+                 {:commit, e}
+             end
+           end) do
+        {action, res} when action in [:commit, :ok] ->
+          case res do
+            {:ok, _data} = res ->
+              res
 
-        {:error, {:content_type, _}} = e ->
-          e
+            {:error, reason} = e ->
+              if action == :commit, do: set_error_ttl(url, reason)
+              e
+          end
 
-        # The TTL is not set for the errors above, since they are unlikely to change
-        # with time
-        {:error, _} = e ->
-          ttl = Pleroma.Config.get([:rich_media, :failure_backoff], 60_000)
-          Cachex.expire(:rich_media_cache, url, ttl)
-          e
+        {:error, e} ->
+          {:error, {:cachex_error, e}}
       end
     end
+
+    defp set_error_ttl(_url, :body_too_large), do: :ok
+    defp set_error_ttl(_url, {:content_type, _}), do: :ok
+
+    # The TTL is not set for the errors above, since they are unlikely to change
+    # with time
+
+    defp set_error_ttl(url, _reason) do
+      ttl = Pleroma.Config.get([:rich_media, :failure_backoff], 60_000)
+      Cachex.expire(:rich_media_cache, url, ttl)
+      :ok
+    end
+
+    defp log_error(url, {:invalid_metadata, data}) do
+      Logger.debug(fn -> "Incomplete or invalid metadata for #{url}: #{inspect(data)}" end)
+    end
+
+    defp log_error(url, reason) do
+      Logger.warn(fn -> "Rich media error for #{url}: #{inspect(reason)}" end)
+    end
   end
 
   @doc """
diff --git a/lib/pleroma/web/router.ex b/lib/pleroma/web/router.ex
index f69b1545f..cd336b932 100644
--- a/lib/pleroma/web/router.ex
+++ b/lib/pleroma/web/router.ex
@@ -178,9 +178,14 @@ defmodule Pleroma.Web.Router do
     get("/users", AdminAPIController, :list_users)
     get("/users/:nickname", AdminAPIController, :user_show)
     get("/users/:nickname/statuses", AdminAPIController, :list_user_statuses)
+    get("/users/:nickname/chats", AdminAPIController, :list_user_chats)
 
     get("/instances/:instance/statuses", AdminAPIController, :list_instance_statuses)
 
+    get("/instance_document/:name", InstanceDocumentController, :show)
+    patch("/instance_document/:name", InstanceDocumentController, :update)
+    delete("/instance_document/:name", InstanceDocumentController, :delete)
+
     patch("/users/confirm_email", AdminAPIController, :confirm_email)
     patch("/users/resend_confirmation_email", AdminAPIController, :resend_confirmation_email)
 
@@ -214,6 +219,10 @@ defmodule Pleroma.Web.Router do
     get("/media_proxy_caches", MediaProxyCacheController, :index)
     post("/media_proxy_caches/delete", MediaProxyCacheController, :delete)
     post("/media_proxy_caches/purge", MediaProxyCacheController, :purge)
+
+    get("/chats/:id", ChatController, :show)
+    get("/chats/:id/messages", ChatController, :messages)
+    delete("/chats/:id/messages/:message_id", ChatController, :delete_message)
   end
 
   scope "/api/pleroma/emoji", Pleroma.Web.PleromaAPI do
diff --git a/priv/static/index.html b/priv/static/index.html
index 6fa237768..f5690a8d6 100644
--- a/priv/static/index.html
+++ b/priv/static/index.html
@@ -1 +1 @@
-<!DOCTYPE html><html lang=en><head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1,user-scalable=no"><title>Pleroma</title><!--server-generated-meta--><link rel=icon type=image/png href=/favicon.png><link href=/static/css/app.77b1644622e3bae24b6b.css rel=stylesheet><link href=/static/fontello.1599568314856.css rel=stylesheet></head><body class=hidden><noscript>To use Pleroma, please enable JavaScript.</noscript><div id=app></div><script type=text/javascript src=/static/js/vendors~app.90c4af83c1ae68f4cd95.js></script><script type=text/javascript src=/static/js/app.55d173dc5e39519aa518.js></script></body></html>
\ No newline at end of file
+<!DOCTYPE html><html lang=en><head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1,user-scalable=no"><title>Pleroma</title><!--server-generated-meta--><link rel=icon type=image/png href=/favicon.png><link href=/static/css/app.77b1644622e3bae24b6b.css rel=stylesheet><link href=/static/fontello.1600365488745.css rel=stylesheet></head><body class=hidden><noscript>To use Pleroma, please enable JavaScript.</noscript><div id=app></div><script type=text/javascript src=/static/js/vendors~app.90c4af83c1ae68f4cd95.js></script><script type=text/javascript src=/static/js/app.826c44232e0a76bbd9ba.js></script></body></html>
\ No newline at end of file
diff --git a/priv/static/static/font/fontello.1599568314856.woff b/priv/static/static/font/fontello.1599568314856.woff
deleted file mode 100644
index 64f566383..000000000
Binary files a/priv/static/static/font/fontello.1599568314856.woff and /dev/null differ
diff --git a/priv/static/static/font/fontello.1599568314856.woff2 b/priv/static/static/font/fontello.1599568314856.woff2
deleted file mode 100644
index 972e70831..000000000
Binary files a/priv/static/static/font/fontello.1599568314856.woff2 and /dev/null differ
diff --git a/priv/static/static/font/fontello.1599568314856.eot b/priv/static/static/font/fontello.1600365488745.eot
similarity index 89%
rename from priv/static/static/font/fontello.1599568314856.eot
rename to priv/static/static/font/fontello.1600365488745.eot
index 1a6931a0e..255f50372 100644
Binary files a/priv/static/static/font/fontello.1599568314856.eot and b/priv/static/static/font/fontello.1600365488745.eot differ
diff --git a/priv/static/static/font/fontello.1599568314856.svg b/priv/static/static/font/fontello.1600365488745.svg
similarity index 98%
rename from priv/static/static/font/fontello.1599568314856.svg
rename to priv/static/static/font/fontello.1600365488745.svg
index 71b5d70af..9eddf62ea 100644
--- a/priv/static/static/font/fontello.1599568314856.svg
+++ b/priv/static/static/font/fontello.1600365488745.svg
@@ -92,6 +92,8 @@
 
 <glyph glyph-name="block" unicode="&#xe82a;" d="M732 359q0 90-48 164l-421-420q76-50 166-50 62 0 118 25t96 65 65 97 24 119z m-557-167l421 421q-75 50-167 50-83 0-153-40t-110-111-41-153q0-91 50-167z m682 167q0-88-34-168t-91-137-137-92-166-34-167 34-137 92-91 137-34 168 34 167 91 137 137 91 167 34 166-34 137-91 91-137 34-167z" horiz-adv-x="857.1" />
 
+<glyph glyph-name="megaphone" unicode="&#xe82b;" d="M929 500q29 0 50-21t21-51-21-50-50-21v-214q0-29-22-50t-50-22q-233 194-453 212-32-10-51-36t-17-57 22-51q-11-19-13-37t4-32 19-31 26-28 35-28q-17-32-63-46t-94-7-73 31q-4 13-17 49t-18 53-12 50-9 56 2 55 12 62h-68q-36 0-63 26t-26 63v107q0 37 26 63t63 26h268q243 0 500 215 29 0 50-22t22-50v-214z m-72-337v532q-220-168-428-191v-151q210-23 428-190z" horiz-adv-x="1000" />
+
 <glyph glyph-name="spin3" unicode="&#xe832;" d="M494 857c-266 0-483-210-494-472-1-19 13-20 13-20l84 0c16 0 19 10 19 18 10 199 176 358 378 358 107 0 205-45 273-118l-58-57c-11-12-11-27 5-31l247-50c21-5 46 11 37 44l-58 227c-2 9-16 22-29 13l-65-60c-89 91-214 148-352 148z m409-508c-16 0-19-10-19-18-10-199-176-358-377-358-108 0-205 45-274 118l59 57c10 12 10 27-5 31l-248 50c-21 5-46-11-37-44l58-227c2-9 16-22 30-13l64 60c89-91 214-148 353-148 265 0 482 210 493 473 1 18-13 19-13 19l-84 0z" horiz-adv-x="1000" />
 
 <glyph glyph-name="spin4" unicode="&#xe834;" d="M498 857c-114 0-228-39-320-116l0 0c173 140 428 130 588-31 134-134 164-332 89-495-10-29-5-50 12-68 21-20 61-23 84 0 3 3 12 15 15 24 71 180 33 393-112 539-99 98-228 147-356 147z m-409-274c-14 0-29-5-39-16-3-3-13-15-15-24-71-180-34-393 112-539 185-185 479-195 676-31l0 0c-173-140-428-130-589 31-134 134-163 333-89 495 11 29 6 50-12 68-11 11-27 17-44 16z" horiz-adv-x="1001" />
diff --git a/priv/static/static/font/fontello.1599568314856.ttf b/priv/static/static/font/fontello.1600365488745.ttf
similarity index 89%
rename from priv/static/static/font/fontello.1599568314856.ttf
rename to priv/static/static/font/fontello.1600365488745.ttf
index 795464475..6bda99d50 100644
Binary files a/priv/static/static/font/fontello.1599568314856.ttf and b/priv/static/static/font/fontello.1600365488745.ttf differ
diff --git a/priv/static/static/font/fontello.1600365488745.woff b/priv/static/static/font/fontello.1600365488745.woff
new file mode 100644
index 000000000..11c866ae0
Binary files /dev/null and b/priv/static/static/font/fontello.1600365488745.woff differ
diff --git a/priv/static/static/font/fontello.1600365488745.woff2 b/priv/static/static/font/fontello.1600365488745.woff2
new file mode 100644
index 000000000..06151d28c
Binary files /dev/null and b/priv/static/static/font/fontello.1600365488745.woff2 differ
diff --git a/priv/static/static/fontello.1599568314856.css b/priv/static/static/fontello.1600365488745.css
similarity index 89%
rename from priv/static/static/fontello.1599568314856.css
rename to priv/static/static/fontello.1600365488745.css
index e636286c0..781ff7620 100644
Binary files a/priv/static/static/fontello.1599568314856.css and b/priv/static/static/fontello.1600365488745.css differ
diff --git a/priv/static/static/fontello.json b/priv/static/static/fontello.json
index 706800cdb..b0136fd90 100644
--- a/priv/static/static/fontello.json
+++ b/priv/static/static/fontello.json
@@ -405,6 +405,12 @@
       "css": "block",
       "code": 59434,
       "src": "fontawesome"
+    },
+    {
+      "uid": "3e674995cacc2b09692c096ea7eb6165",
+      "css": "megaphone",
+      "code": 59435,
+      "src": "fontawesome"
     }
   ]
 }
\ No newline at end of file
diff --git a/priv/static/static/js/2.c92f4803ff24726cea58.js.map b/priv/static/static/js/2.c92f4803ff24726cea58.js.map
deleted file mode 100644
index e3cc6a3fb..000000000
Binary files a/priv/static/static/js/2.c92f4803ff24726cea58.js.map and /dev/null differ
diff --git a/priv/static/static/js/2.c92f4803ff24726cea58.js b/priv/static/static/js/2.e852a6b4b3bba752b838.js
similarity index 66%
rename from priv/static/static/js/2.c92f4803ff24726cea58.js
rename to priv/static/static/js/2.e852a6b4b3bba752b838.js
index 55aa1f44e..42e446575 100644
Binary files a/priv/static/static/js/2.c92f4803ff24726cea58.js and b/priv/static/static/js/2.e852a6b4b3bba752b838.js differ
diff --git a/priv/static/static/js/2.e852a6b4b3bba752b838.js.map b/priv/static/static/js/2.e852a6b4b3bba752b838.js.map
new file mode 100644
index 000000000..d698f09e1
Binary files /dev/null and b/priv/static/static/js/2.e852a6b4b3bba752b838.js.map differ
diff --git a/priv/static/static/js/app.55d173dc5e39519aa518.js b/priv/static/static/js/app.55d173dc5e39519aa518.js
deleted file mode 100644
index d04ae3499..000000000
Binary files a/priv/static/static/js/app.55d173dc5e39519aa518.js and /dev/null differ
diff --git a/priv/static/static/js/app.55d173dc5e39519aa518.js.map b/priv/static/static/js/app.55d173dc5e39519aa518.js.map
deleted file mode 100644
index 600e97afa..000000000
Binary files a/priv/static/static/js/app.55d173dc5e39519aa518.js.map and /dev/null differ
diff --git a/priv/static/static/js/app.826c44232e0a76bbd9ba.js b/priv/static/static/js/app.826c44232e0a76bbd9ba.js
new file mode 100644
index 000000000..16762165e
Binary files /dev/null and b/priv/static/static/js/app.826c44232e0a76bbd9ba.js differ
diff --git a/priv/static/static/js/app.826c44232e0a76bbd9ba.js.map b/priv/static/static/js/app.826c44232e0a76bbd9ba.js.map
new file mode 100644
index 000000000..b188c3379
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diff --git a/priv/static/sw-pleroma.js b/priv/static/sw-pleroma.js
index 54c6ed8f0..fa4969025 100644
Binary files a/priv/static/sw-pleroma.js and b/priv/static/sw-pleroma.js differ
diff --git a/test/fixtures/custom_instance_panel.html b/test/fixtures/custom_instance_panel.html
new file mode 100644
index 000000000..6371a1e43
--- /dev/null
+++ b/test/fixtures/custom_instance_panel.html
@@ -0,0 +1 @@
+<h2>Custom instance panel</h2>
\ No newline at end of file
diff --git a/test/fixtures/tesla_mock/admin@mastdon.example.org.json b/test/fixtures/tesla_mock/admin@mastdon.example.org.json
index a911b979a..f961ccb36 100644
--- a/test/fixtures/tesla_mock/admin@mastdon.example.org.json
+++ b/test/fixtures/tesla_mock/admin@mastdon.example.org.json
@@ -1,20 +1,24 @@
 {
-  "@context": ["https://www.w3.org/ns/activitystreams", "https://w3id.org/security/v1", {
-    "manuallyApprovesFollowers": "as:manuallyApprovesFollowers",
-    "sensitive": "as:sensitive",
-    "movedTo": "as:movedTo",
-    "Hashtag": "as:Hashtag",
-    "ostatus": "http://ostatus.org#",
-    "atomUri": "ostatus:atomUri",
-    "inReplyToAtomUri": "ostatus:inReplyToAtomUri",
-    "conversation": "ostatus:conversation",
-    "toot": "http://joinmastodon.org/ns#",
-    "Emoji": "toot:Emoji",
-    "alsoKnownAs": {
-      "@id": "as:alsoKnownAs",
-      "@type": "@id"
+  "@context": [
+    "https://www.w3.org/ns/activitystreams",
+    "https://w3id.org/security/v1",
+    {
+      "manuallyApprovesFollowers": "as:manuallyApprovesFollowers",
+      "sensitive": "as:sensitive",
+      "movedTo": "as:movedTo",
+      "Hashtag": "as:Hashtag",
+      "ostatus": "http://ostatus.org#",
+      "atomUri": "ostatus:atomUri",
+      "inReplyToAtomUri": "ostatus:inReplyToAtomUri",
+      "conversation": "ostatus:conversation",
+      "toot": "http://joinmastodon.org/ns#",
+      "Emoji": "toot:Emoji",
+      "alsoKnownAs": {
+        "@id": "as:alsoKnownAs",
+        "@type": "@id"
+      }
     }
-  }],
+  ],
   "id": "http://mastodon.example.org/users/admin",
   "type": "Person",
   "following": "http://mastodon.example.org/users/admin/following",
@@ -23,6 +27,7 @@
   "outbox": "http://mastodon.example.org/users/admin/outbox",
   "preferredUsername": "admin",
   "name": null,
+  "discoverable": "true",
   "summary": "\u003cp\u003e\u003c/p\u003e",
   "url": "http://mastodon.example.org/@admin",
   "manuallyApprovesFollowers": false,
@@ -34,7 +39,8 @@
     "owner": "http://mastodon.example.org/users/admin",
     "publicKeyPem": "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtc4Tir+3ADhSNF6VKrtW\nOU32T01w7V0yshmQei38YyiVwVvFu8XOP6ACchkdxbJ+C9mZud8qWaRJKVbFTMUG\nNX4+6Q+FobyuKrwN7CEwhDALZtaN2IPbaPd6uG1B7QhWorrY+yFa8f2TBM3BxnUy\nI4T+bMIZIEYG7KtljCBoQXuTQmGtuffO0UwJksidg2ffCF5Q+K//JfQagJ3UzrR+\nZXbKMJdAw4bCVJYs4Z5EhHYBwQWiXCyMGTd7BGlmMkY6Av7ZqHKC/owp3/0EWDNz\nNqF09Wcpr3y3e8nA10X40MJqp/wR+1xtxp+YGbq/Cj5hZGBG7etFOmIpVBrDOhry\nBwIDAQAB\n-----END PUBLIC KEY-----\n"
   },
-  "attachment": [{
+  "attachment": [
+    {
       "type": "PropertyValue",
       "name": "foo",
       "value": "bar"
@@ -58,5 +64,7 @@
     "mediaType": "image/png",
     "url": "https://cdn.niu.moe/accounts/headers/000/033/323/original/850b3448fa5fd477.png"
   },
-  "alsoKnownAs": ["http://example.org/users/foo"]
-}
+  "alsoKnownAs": [
+    "http://example.org/users/foo"
+  ]
+}
\ No newline at end of file
diff --git a/test/fixtures/tesla_mock/https___osada.macgirvin.com_channel_mike.json b/test/fixtures/tesla_mock/https___osada.macgirvin.com_channel_mike.json
index c42f3a53c..ca76d6e17 100644
--- a/test/fixtures/tesla_mock/https___osada.macgirvin.com_channel_mike.json
+++ b/test/fixtures/tesla_mock/https___osada.macgirvin.com_channel_mike.json
@@ -8,6 +8,7 @@
     "preferredUsername": "mike",
     "name": "Mike Macgirvin (Osada)",
     "updated": "2018-08-29T03:09:11Z",
+    "discoverable": "true",
     "icon": {
         "type": "Image",
         "mediaType": "image/jpeg",
@@ -51,4 +52,4 @@
         "created": "2018-10-17T07:16:28Z",
         "signatureValue": "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"
     }
-}
+}
\ No newline at end of file
diff --git a/test/support/factory.ex b/test/support/factory.ex
index 2fdfabbc5..fb82be0c4 100644
--- a/test/support/factory.ex
+++ b/test/support/factory.ex
@@ -31,6 +31,7 @@ def user_factory do
       nickname: sequence(:nickname, &"nick#{&1}"),
       password_hash: Pbkdf2.hash_pwd_salt("test"),
       bio: sequence(:bio, &"Tester Number #{&1}"),
+      discoverable: true,
       last_digest_emailed_at: NaiveDateTime.utc_now(),
       last_refreshed_at: NaiveDateTime.utc_now(),
       notification_settings: %Pleroma.User.NotificationSetting{},
diff --git a/test/tasks/config_test.exs b/test/tasks/config_test.exs
index fb12e7fb3..f36648829 100644
--- a/test/tasks/config_test.exs
+++ b/test/tasks/config_test.exs
@@ -40,6 +40,19 @@ test "error if file with custom settings doesn't exist" do
       on_exit(fn -> Application.put_env(:quack, :level, initial) end)
     end
 
+    @tag capture_log: true
+    test "config migration refused when deprecated settings are found" do
+      clear_config([:media_proxy, :whitelist], ["domain_without_scheme.com"])
+      assert Repo.all(ConfigDB) == []
+
+      Mix.Tasks.Pleroma.Config.migrate_to_db("test/fixtures/config/temp.secret.exs")
+
+      assert_received {:mix_shell, :error, [message]}
+
+      assert message =~
+               "Migration is not allowed until all deprecation warnings have been resolved."
+    end
+
     test "filtered settings are migrated to db" do
       assert Repo.all(ConfigDB) == []
 
diff --git a/test/user_search_test.exs b/test/user_search_test.exs
index 01976bf58..8529ce6db 100644
--- a/test/user_search_test.exs
+++ b/test/user_search_test.exs
@@ -25,6 +25,14 @@ test "excludes invisible users from results" do
       assert found_user.id == user.id
     end
 
+    test "excludes users when discoverable is false" do
+      insert(:user, %{nickname: "john 3000", discoverable: false})
+      insert(:user, %{nickname: "john 3001"})
+
+      users = User.search("john")
+      assert Enum.count(users) == 1
+    end
+
     test "excludes service actors from results" do
       insert(:user, actor_type: "Application", nickname: "user1")
       service = insert(:user, actor_type: "Service", nickname: "user2")
diff --git a/test/web/activity_pub/pipeline_test.exs b/test/web/activity_pub/pipeline_test.exs
index f2a231eaf..210a06563 100644
--- a/test/web/activity_pub/pipeline_test.exs
+++ b/test/web/activity_pub/pipeline_test.exs
@@ -26,7 +26,7 @@ test "when given an `object_data` in meta, Federation will receive a the origina
         {
           Pleroma.Web.ActivityPub.MRF,
           [],
-          [filter: fn o -> {:ok, o} end]
+          [pipeline_filter: fn o, m -> {:ok, o, m} end]
         },
         {
           Pleroma.Web.ActivityPub.ActivityPub,
@@ -51,7 +51,7 @@ test "when given an `object_data` in meta, Federation will receive a the origina
                  Pleroma.Web.ActivityPub.Pipeline.common_pipeline(activity, meta)
 
         assert_called(Pleroma.Web.ActivityPub.ObjectValidator.validate(activity, meta))
-        assert_called(Pleroma.Web.ActivityPub.MRF.filter(activity))
+        assert_called(Pleroma.Web.ActivityPub.MRF.pipeline_filter(activity, meta))
         assert_called(Pleroma.Web.ActivityPub.ActivityPub.persist(activity, meta))
         assert_called(Pleroma.Web.ActivityPub.SideEffects.handle(activity, meta))
         refute called(Pleroma.Web.Federator.publish(activity))
@@ -68,7 +68,7 @@ test "it goes through validation, filtering, persisting, side effects and federa
         {
           Pleroma.Web.ActivityPub.MRF,
           [],
-          [filter: fn o -> {:ok, o} end]
+          [pipeline_filter: fn o, m -> {:ok, o, m} end]
         },
         {
           Pleroma.Web.ActivityPub.ActivityPub,
@@ -93,7 +93,7 @@ test "it goes through validation, filtering, persisting, side effects and federa
                  Pleroma.Web.ActivityPub.Pipeline.common_pipeline(activity, meta)
 
         assert_called(Pleroma.Web.ActivityPub.ObjectValidator.validate(activity, meta))
-        assert_called(Pleroma.Web.ActivityPub.MRF.filter(activity))
+        assert_called(Pleroma.Web.ActivityPub.MRF.pipeline_filter(activity, meta))
         assert_called(Pleroma.Web.ActivityPub.ActivityPub.persist(activity, meta))
         assert_called(Pleroma.Web.ActivityPub.SideEffects.handle(activity, meta))
         assert_called(Pleroma.Web.Federator.publish(activity))
@@ -109,7 +109,7 @@ test "it goes through validation, filtering, persisting, side effects without fe
         {
           Pleroma.Web.ActivityPub.MRF,
           [],
-          [filter: fn o -> {:ok, o} end]
+          [pipeline_filter: fn o, m -> {:ok, o, m} end]
         },
         {
           Pleroma.Web.ActivityPub.ActivityPub,
@@ -131,7 +131,7 @@ test "it goes through validation, filtering, persisting, side effects without fe
                  Pleroma.Web.ActivityPub.Pipeline.common_pipeline(activity, meta)
 
         assert_called(Pleroma.Web.ActivityPub.ObjectValidator.validate(activity, meta))
-        assert_called(Pleroma.Web.ActivityPub.MRF.filter(activity))
+        assert_called(Pleroma.Web.ActivityPub.MRF.pipeline_filter(activity, meta))
         assert_called(Pleroma.Web.ActivityPub.ActivityPub.persist(activity, meta))
         assert_called(Pleroma.Web.ActivityPub.SideEffects.handle(activity, meta))
       end
@@ -148,7 +148,7 @@ test "it goes through validation, filtering, persisting, side effects without fe
         {
           Pleroma.Web.ActivityPub.MRF,
           [],
-          [filter: fn o -> {:ok, o} end]
+          [pipeline_filter: fn o, m -> {:ok, o, m} end]
         },
         {
           Pleroma.Web.ActivityPub.ActivityPub,
@@ -170,7 +170,7 @@ test "it goes through validation, filtering, persisting, side effects without fe
                  Pleroma.Web.ActivityPub.Pipeline.common_pipeline(activity, meta)
 
         assert_called(Pleroma.Web.ActivityPub.ObjectValidator.validate(activity, meta))
-        assert_called(Pleroma.Web.ActivityPub.MRF.filter(activity))
+        assert_called(Pleroma.Web.ActivityPub.MRF.pipeline_filter(activity, meta))
         assert_called(Pleroma.Web.ActivityPub.ActivityPub.persist(activity, meta))
         assert_called(Pleroma.Web.ActivityPub.SideEffects.handle(activity, meta))
       end
diff --git a/test/web/admin_api/controllers/admin_api_controller_test.exs b/test/web/admin_api/controllers/admin_api_controller_test.exs
index 3bc88c6a9..e4d3512de 100644
--- a/test/web/admin_api/controllers/admin_api_controller_test.exs
+++ b/test/web/admin_api/controllers/admin_api_controller_test.exs
@@ -1510,6 +1510,56 @@ test "excludes reblogs by default", %{conn: conn, user: user} do
     end
   end
 
+  describe "GET /api/pleroma/admin/users/:nickname/chats" do
+    setup do
+      user = insert(:user)
+      recipients = insert_list(3, :user)
+
+      Enum.each(recipients, fn recipient ->
+        CommonAPI.post_chat_message(user, recipient, "yo")
+      end)
+
+      %{user: user}
+    end
+
+    test "renders user's chats", %{conn: conn, user: user} do
+      conn = get(conn, "/api/pleroma/admin/users/#{user.nickname}/chats")
+
+      assert json_response(conn, 200) |> length() == 3
+    end
+  end
+
+  describe "GET /api/pleroma/admin/users/:nickname/chats unauthorized" do
+    setup do
+      user = insert(:user)
+      recipient = insert(:user)
+      CommonAPI.post_chat_message(user, recipient, "yo")
+      %{conn: conn} = oauth_access(["read:chats"])
+      %{conn: conn, user: user}
+    end
+
+    test "returns 403", %{conn: conn, user: user} do
+      conn
+      |> get("/api/pleroma/admin/users/#{user.nickname}/chats")
+      |> json_response(403)
+    end
+  end
+
+  describe "GET /api/pleroma/admin/users/:nickname/chats unauthenticated" do
+    setup do
+      user = insert(:user)
+      recipient = insert(:user)
+      CommonAPI.post_chat_message(user, recipient, "yo")
+      %{conn: build_conn(), user: user}
+    end
+
+    test "returns 403", %{conn: conn, user: user} do
+      conn
+      |> get("/api/pleroma/admin/users/#{user.nickname}/chats")
+      |> json_response(403)
+    end
+  end
+
   describe "GET /api/pleroma/admin/moderation_log" do
     setup do
       moderator = insert(:user, is_moderator: true)
diff --git a/test/web/admin_api/controllers/chat_controller_test.exs b/test/web/admin_api/controllers/chat_controller_test.exs
new file mode 100644
index 000000000..bd4c9c9d1
--- /dev/null
+++ b/test/web/admin_api/controllers/chat_controller_test.exs
@@ -0,0 +1,219 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.AdminAPI.ChatControllerTest do
+  use Pleroma.Web.ConnCase
+
+  import Pleroma.Factory
+
+  alias Pleroma.Chat
+  alias Pleroma.Chat.MessageReference
+  alias Pleroma.Config
+  alias Pleroma.ModerationLog
+  alias Pleroma.Object
+  alias Pleroma.Repo
+  alias Pleroma.Web.CommonAPI
+
+  defp admin_setup do
+    admin = insert(:user, is_admin: true)
+    token = insert(:oauth_admin_token, user: admin)
+
+    conn =
+      build_conn()
+      |> assign(:user, admin)
+      |> assign(:token, token)
+
+    {:ok, %{admin: admin, token: token, conn: conn}}
+  end
+
+  describe "DELETE /api/pleroma/admin/chats/:id/messages/:message_id" do
+    setup do: admin_setup()
+
+    test "it deletes a message from the chat", %{conn: conn, admin: admin} do
+      user = insert(:user)
+      recipient = insert(:user)
+
+      {:ok, message} =
+        CommonAPI.post_chat_message(user, recipient, "Hello darkness my old friend")
+
+      object = Object.normalize(message, false)
+
+      chat = Chat.get(user.id, recipient.ap_id)
+      recipient_chat = Chat.get(recipient.id, user.ap_id)
+
+      cm_ref = MessageReference.for_chat_and_object(chat, object)
+      recipient_cm_ref = MessageReference.for_chat_and_object(recipient_chat, object)
+
+      result =
+        conn
+        |> put_req_header("content-type", "application/json")
+        |> delete("/api/pleroma/admin/chats/#{chat.id}/messages/#{cm_ref.id}")
+        |> json_response_and_validate_schema(200)
+
+      log_entry = Repo.one(ModerationLog)
+
+      assert ModerationLog.get_log_entry_message(log_entry) ==
+               "@#{admin.nickname} deleted chat message ##{cm_ref.id}"
+
+      assert result["id"] == cm_ref.id
+      refute MessageReference.get_by_id(cm_ref.id)
+      refute MessageReference.get_by_id(recipient_cm_ref.id)
+      assert %{data: %{"type" => "Tombstone"}} = Object.get_by_id(object.id)
+    end
+  end
+
+  describe "GET /api/pleroma/admin/chats/:id/messages" do
+    setup do: admin_setup()
+
+    test "it paginates", %{conn: conn} do
+      user = insert(:user)
+      recipient = insert(:user)
+
+      Enum.each(1..30, fn _ ->
+        {:ok, _} = CommonAPI.post_chat_message(user, recipient, "hey")
+      end)
+
+      chat = Chat.get(user.id, recipient.ap_id)
+
+      result =
+        conn
+        |> get("/api/pleroma/admin/chats/#{chat.id}/messages")
+        |> json_response_and_validate_schema(200)
+
+      assert length(result) == 20
+
+      result =
+        conn
+        |> get("/api/pleroma/admin/chats/#{chat.id}/messages?max_id=#{List.last(result)["id"]}")
+        |> json_response_and_validate_schema(200)
+
+      assert length(result) == 10
+    end
+
+    test "it returns the messages for a given chat", %{conn: conn} do
+      user = insert(:user)
+      other_user = insert(:user)
+      third_user = insert(:user)
+
+      {:ok, _} = CommonAPI.post_chat_message(user, other_user, "hey")
+      {:ok, _} = CommonAPI.post_chat_message(user, third_user, "hey")
+      {:ok, _} = CommonAPI.post_chat_message(user, other_user, "how are you?")
+      {:ok, _} = CommonAPI.post_chat_message(other_user, user, "fine, how about you?")
+
+      chat = Chat.get(user.id, other_user.ap_id)
+
+      result =
+        conn
+        |> get("/api/pleroma/admin/chats/#{chat.id}/messages")
+        |> json_response_and_validate_schema(200)
+
+      result
+      |> Enum.each(fn message ->
+        assert message["chat_id"] == chat.id |> to_string()
+      end)
+
+      assert length(result) == 3
+    end
+  end
+
+  describe "GET /api/pleroma/admin/chats/:id" do
+    setup do: admin_setup()
+
+    test "it returns a chat", %{conn: conn} do
+      user = insert(:user)
+      other_user = insert(:user)
+
+      {:ok, chat} = Chat.get_or_create(user.id, other_user.ap_id)
+
+      result =
+        conn
+        |> get("/api/pleroma/admin/chats/#{chat.id}")
+        |> json_response_and_validate_schema(200)
+
+      assert result["id"] == to_string(chat.id)
+      assert %{} = result["sender"]
+      assert %{} = result["receiver"]
+      refute result["account"]
+    end
+  end
+
+  describe "unauthorized chat moderation" do
+    setup do
+      user = insert(:user)
+      recipient = insert(:user)
+
+      {:ok, message} = CommonAPI.post_chat_message(user, recipient, "Yo")
+      object = Object.normalize(message, false)
+      chat = Chat.get(user.id, recipient.ap_id)
+      cm_ref = MessageReference.for_chat_and_object(chat, object)
+
+      %{conn: conn} = oauth_access(["read:chats", "write:chats"])
+      %{conn: conn, chat: chat, cm_ref: cm_ref}
+    end
+
+    test "DELETE /api/pleroma/admin/chats/:id/messages/:message_id", %{
+      conn: conn,
+      chat: chat,
+      cm_ref: cm_ref
+    } do
+      conn
+      |> put_req_header("content-type", "application/json")
+      |> delete("/api/pleroma/admin/chats/#{chat.id}/messages/#{cm_ref.id}")
+      |> json_response(403)
+
+      assert MessageReference.get_by_id(cm_ref.id) == cm_ref
+    end
+
+    test "GET /api/pleroma/admin/chats/:id/messages", %{conn: conn, chat: chat} do
+      conn
+      |> get("/api/pleroma/admin/chats/#{chat.id}/messages")
+      |> json_response(403)
+    end
+
+    test "GET /api/pleroma/admin/chats/:id", %{conn: conn, chat: chat} do
+      conn
+      |> get("/api/pleroma/admin/chats/#{chat.id}")
+      |> json_response(403)
+    end
+  end
+
+  describe "unauthenticated chat moderation" do
+    setup do
+      user = insert(:user)
+      recipient = insert(:user)
+
+      {:ok, message} = CommonAPI.post_chat_message(user, recipient, "Yo")
+      object = Object.normalize(message, false)
+      chat = Chat.get(user.id, recipient.ap_id)
+      cm_ref = MessageReference.for_chat_and_object(chat, object)
+
+      %{conn: build_conn(), chat: chat, cm_ref: cm_ref}
+    end
+
+    test "DELETE /api/pleroma/admin/chats/:id/messages/:message_id", %{
+      conn: conn,
+      chat: chat,
+      cm_ref: cm_ref
+    } do
+      conn
+      |> put_req_header("content-type", "application/json")
+      |> delete("/api/pleroma/admin/chats/#{chat.id}/messages/#{cm_ref.id}")
+      |> json_response(403)
+
+      assert MessageReference.get_by_id(cm_ref.id) == cm_ref
+    end
+
+    test "GET /api/pleroma/admin/chats/:id/messages", %{conn: conn, chat: chat} do
+      conn
+      |> get("/api/pleroma/admin/chats/#{chat.id}/messages")
+      |> json_response(403)
+    end
+
+    test "GET /api/pleroma/admin/chats/:id", %{conn: conn, chat: chat} do
+      conn
+      |> get("/api/pleroma/admin/chats/#{chat.id}")
+      |> json_response(403)
+    end
+  end
+end
diff --git a/test/web/admin_api/controllers/instance_document_controller_test.exs b/test/web/admin_api/controllers/instance_document_controller_test.exs
new file mode 100644
index 000000000..5f7b042f6
--- /dev/null
+++ b/test/web/admin_api/controllers/instance_document_controller_test.exs
@@ -0,0 +1,106 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.AdminAPI.InstanceDocumentControllerTest do
+  use Pleroma.Web.ConnCase, async: true
+  import Pleroma.Factory
+  alias Pleroma.Config
+
+  @dir "test/tmp/instance_static"
+  @default_instance_panel ~s(<p>Welcome to <a href="https://pleroma.social" target="_blank">Pleroma!</a></p>)
+
+  setup do
+    File.mkdir_p!(@dir)
+    on_exit(fn -> File.rm_rf(@dir) end)
+  end
+
+  setup do: clear_config([:instance, :static_dir], @dir)
+
+  setup do
+    admin = insert(:user, is_admin: true)
+    token = insert(:oauth_admin_token, user: admin)
+
+    conn =
+      build_conn()
+      |> assign(:user, admin)
+      |> assign(:token, token)
+
+    {:ok, %{admin: admin, token: token, conn: conn}}
+  end
+
+  describe "GET /api/pleroma/admin/instance_document/:name" do
+    test "return the instance document url", %{conn: conn} do
+      conn = get(conn, "/api/pleroma/admin/instance_document/instance-panel")
+
+      assert content = html_response(conn, 200)
+      assert String.contains?(content, @default_instance_panel)
+    end
+
+    test "it returns 403 if requested by a non-admin" do
+      non_admin_user = insert(:user)
+      token = insert(:oauth_token, user: non_admin_user)
+
+      conn =
+        build_conn()
+        |> assign(:user, non_admin_user)
+        |> assign(:token, token)
+        |> get("/api/pleroma/admin/instance_document/instance-panel")
+
+      assert json_response(conn, :forbidden)
+    end
+
+    test "it returns 404 if the instance document with the given name doesn't exist", %{
+      conn: conn
+    } do
+      conn = get(conn, "/api/pleroma/admin/instance_document/1234")
+
+      assert json_response_and_validate_schema(conn, 404)
+    end
+  end
+
+  describe "PATCH /api/pleroma/admin/instance_document/:name" do
+    test "uploads the instance document", %{conn: conn} do
+      image = %Plug.Upload{
+        content_type: "text/html",
+        path: Path.absname("test/fixtures/custom_instance_panel.html"),
+        filename: "custom_instance_panel.html"
+      }
+
+      conn =
+        conn
+        |> put_req_header("content-type", "multipart/form-data")
+        |> patch("/api/pleroma/admin/instance_document/instance-panel", %{
+          "file" => image
+        })
+
+      assert %{"url" => url} = json_response_and_validate_schema(conn, 200)
+      index = get(build_conn(), url)
+      assert html_response(index, 200) == "<h2>Custom instance panel</h2>"
+    end
+  end
+
+  describe "DELETE /api/pleroma/admin/instance_document/:name" do
+    test "deletes the instance document", %{conn: conn} do
+      File.mkdir!(@dir <> "/instance/")
+      File.write!(@dir <> "/instance/panel.html", "Custom instance panel")
+
+      conn_resp =
+        conn
+        |> get("/api/pleroma/admin/instance_document/instance-panel")
+
+      assert html_response(conn_resp, 200) == "Custom instance panel"
+
+      conn
+      |> delete("/api/pleroma/admin/instance_document/instance-panel")
+      |> json_response_and_validate_schema(200)
+
+      conn_resp =
+        conn
+        |> get("/api/pleroma/admin/instance_document/instance-panel")
+
+      assert content = html_response(conn_resp, 200)
+      assert String.contains?(content, @default_instance_panel)
+    end
+  end
+end
diff --git a/test/web/admin_api/search_test.exs b/test/web/admin_api/search_test.exs
index b974cedd5..d88867c52 100644
--- a/test/web/admin_api/search_test.exs
+++ b/test/web/admin_api/search_test.exs
@@ -177,5 +177,14 @@ test "it returns unapproved user" do
       assert total == 3
       assert count == 1
     end
+
+    test "it returns non-discoverable users" do
+      insert(:user)
+      insert(:user, discoverable: false)
+
+      {:ok, _results, total} = Search.user()
+
+      assert total == 2
+    end
   end
 end
diff --git a/test/web/common_api/common_api_test.exs b/test/web/common_api/common_api_test.exs
index 5afb0a6dc..2eab64e8b 100644
--- a/test/web/common_api/common_api_test.exs
+++ b/test/web/common_api/common_api_test.exs
@@ -217,6 +217,17 @@ test "it reject messages over the local limit" do
 
       assert message == :content_too_long
     end
+
+    test "it reject messages via MRF" do
+      clear_config([:mrf_keyword, :reject], ["GNO"])
+      clear_config([:mrf, :policies], [Pleroma.Web.ActivityPub.MRF.KeywordPolicy])
+
+      author = insert(:user)
+      recipient = insert(:user)
+
+      assert {:reject, "[KeywordPolicy] Matches with rejected keyword"} ==
+               CommonAPI.post_chat_message(author, recipient, "GNO/Linux")
+    end
   end
 
   describe "unblocking" do
@@ -1193,4 +1204,24 @@ test "respects visibility=private" do
       assert Visibility.get_visibility(activity) == "private"
     end
   end
+
+  describe "get_user/1" do
+    test "gets user by ap_id" do
+      user = insert(:user)
+      assert CommonAPI.get_user(user.ap_id) == user
+    end
+
+    test "gets user by guessed nickname" do
+      user = insert(:user, ap_id: "", nickname: "mario@mushroom.kingdom")
+      assert CommonAPI.get_user("https://mushroom.kingdom/users/mario") == user
+    end
+
+    test "fallback" do
+      assert %User{
+               name: "",
+               ap_id: "",
+               nickname: "erroruser@example.com"
+             } = CommonAPI.get_user("")
+    end
+  end
 end
diff --git a/test/web/mastodon_api/views/account_view_test.exs b/test/web/mastodon_api/views/account_view_test.exs
index c5f491d6b..a54b765ef 100644
--- a/test/web/mastodon_api/views/account_view_test.exs
+++ b/test/web/mastodon_api/views/account_view_test.exs
@@ -68,7 +68,7 @@ test "Represent a user account" do
         sensitive: false,
         pleroma: %{
           actor_type: "Person",
-          discoverable: false
+          discoverable: true
         },
         fields: []
       },
@@ -166,7 +166,7 @@ test "Represent a Service(bot) account" do
         sensitive: false,
         pleroma: %{
           actor_type: "Service",
-          discoverable: false
+          discoverable: true
         },
         fields: []
       },
diff --git a/test/web/metadata/metadata_test.exs b/test/web/metadata/metadata_test.exs
index 9d3121b7b..ca6cbe67f 100644
--- a/test/web/metadata/metadata_test.exs
+++ b/test/web/metadata/metadata_test.exs
@@ -16,7 +16,14 @@ test "for remote user" do
     end
 
     test "for local user" do
-      user = insert(:user)
+      user = insert(:user, discoverable: false)
+
+      assert Pleroma.Web.Metadata.build_tags(%{user: user}) =~
+               "<meta content=\"noindex, noarchive\" name=\"robots\">"
+    end
+
+    test "for local user set to discoverable" do
+      user = insert(:user, discoverable: true)
 
       refute Pleroma.Web.Metadata.build_tags(%{user: user}) =~
                "<meta content=\"noindex, noarchive\" name=\"robots\">"
@@ -24,11 +31,19 @@ test "for local user" do
   end
 
   describe "no metadata for private instances" do
-    test "for local user" do
+    test "for local user set to discoverable" do
       clear_config([:instance, :public], false)
-      user = insert(:user, bio: "This is my secret fedi account bio")
+      user = insert(:user, bio: "This is my secret fedi account bio", discoverable: true)
 
       assert "" = Pleroma.Web.Metadata.build_tags(%{user: user})
     end
+
+    test "search exclusion metadata is included" do
+      clear_config([:instance, :public], false)
+      user = insert(:user, bio: "This is my secret fedi account bio", discoverable: false)
+
+      assert ~s(<meta content="noindex, noarchive" name="robots">) ==
+               Pleroma.Web.Metadata.build_tags(%{user: user})
+    end
   end
 end
diff --git a/test/web/metadata/restrict_indexing_test.exs b/test/web/metadata/restrict_indexing_test.exs
index aad0bac42..6b3a65372 100644
--- a/test/web/metadata/restrict_indexing_test.exs
+++ b/test/web/metadata/restrict_indexing_test.exs
@@ -14,8 +14,14 @@ test "for remote user" do
 
     test "for local user" do
       assert Pleroma.Web.Metadata.Providers.RestrictIndexing.build_tags(%{
-               user: %Pleroma.User{local: true}
+               user: %Pleroma.User{local: true, discoverable: true}
              }) == []
     end
+
+    test "for local user when discoverable is false" do
+      assert Pleroma.Web.Metadata.Providers.RestrictIndexing.build_tags(%{
+               user: %Pleroma.User{local: true, discoverable: false}
+             }) == [{:meta, [name: "robots", content: "noindex, noarchive"], []}]
+    end
   end
 end
diff --git a/test/web/pleroma_api/controllers/chat_controller_test.exs b/test/web/pleroma_api/controllers/chat_controller_test.exs
index 7be5fe09c..44a78a738 100644
--- a/test/web/pleroma_api/controllers/chat_controller_test.exs
+++ b/test/web/pleroma_api/controllers/chat_controller_test.exs
@@ -100,7 +100,7 @@ test "it fails if there is no content", %{conn: conn, user: user} do
         |> post("/api/v1/pleroma/chats/#{chat.id}/messages")
         |> json_response_and_validate_schema(400)
 
-      assert result
+      assert %{"error" => "no_content"} == result
     end
 
     test "it works with an attachment", %{conn: conn, user: user} do
@@ -126,6 +126,23 @@ test "it works with an attachment", %{conn: conn, user: user} do
 
       assert result["attachment"]
     end
+
+    test "gets MRF reason when rejected", %{conn: conn, user: user} do
+      clear_config([:mrf_keyword, :reject], ["GNO"])
+      clear_config([:mrf, :policies], [Pleroma.Web.ActivityPub.MRF.KeywordPolicy])
+
+      other_user = insert(:user)
+
+      {:ok, chat} = Chat.get_or_create(user.id, other_user.ap_id)
+
+      result =
+        conn
+        |> put_req_header("content-type", "application/json")
+        |> post("/api/v1/pleroma/chats/#{chat.id}/messages", %{"content" => "GNO/Linux"})
+        |> json_response_and_validate_schema(422)
+
+      assert %{"error" => "[KeywordPolicy] Matches with rejected keyword"} == result
+    end
   end
 
   describe "DELETE /api/v1/pleroma/chats/:id/messages/:message_id" do