diff --git a/CHANGELOG.md b/CHANGELOG.md
index 18da66e8bf..52ca2c865e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,7 +12,28 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ### Fixed
 
+- rel="me" was missing its cache
+
 ### Removed
+- BREAKING: Support for passwords generated with `crypt(3)` (Gnu Social migration artifact)
+
+## 2.5.1
+
+### Added
+- Allow customizing instance languages
+
+### Fixed
+- Security: uploading HTTP endpoint can no longer create directories in the upload dir (internal APIs, like backup, still can do it.)
+- ~ character in urls in Markdown posts are handled properly
+- Exiftool upload filter will now ignore SVG files
+- Fix `block_from_stranger` setting
+- Fix rel="me"
+- Docker images will now run properly
+- Fix inproper content being cached in report content
+- Notification filter on object content will not operate on the ones that inherently have no content
+- ZWNJ and double dots in links are parsed properly for Plain-text posts
+- OTP releases will work on systems with a newer libcrypt
+- Errors when running Exiftool.ReadDescription filter will not be filled into the image description
 
 ## 2.5.0 - 2022-12-23
 
diff --git a/config/description.exs b/config/description.exs
index 67bd0cad2a..9b3510e7a4 100644
--- a/config/description.exs
+++ b/config/description.exs
@@ -1080,6 +1080,15 @@
         description:
           "Number of days for which users won't be able to migrate account again after successful migration.",
         suggestions: [30]
+      },
+      %{
+        key: :languages,
+        type: {:list, :string},
+        description:
+          "Languages to be exposed in /api/v1/instance. Should be in the format of BCP47 language codes.",
+        suggestions: [
+          "en"
+        ]
       }
     ]
   },
diff --git a/lib/mix/tasks/pleroma/openapi_spec.ex b/lib/mix/tasks/pleroma/openapi_spec.ex
index 884f931f80..1ea4684769 100644
--- a/lib/mix/tasks/pleroma/openapi_spec.ex
+++ b/lib/mix/tasks/pleroma/openapi_spec.ex
@@ -6,7 +6,70 @@ defmodule Mix.Tasks.Pleroma.OpenapiSpec do
   def run([path]) do
     # Load Pleroma application to get version info
     Application.load(:pleroma)
-    spec = Pleroma.Web.ApiSpec.spec(server_specific: false) |> Jason.encode!()
-    File.write(path, spec)
+
+    spec_json = Pleroma.Web.ApiSpec.spec(server_specific: false) |> Jason.encode!()
+    # to get rid of the structs
+    spec_regened = spec_json |> Jason.decode!()
+
+    check_specs!(spec_regened)
+
+    File.write(path, spec_json)
+  end
+
+  defp check_specs!(spec) do
+    with :ok <- check_specs(spec) do
+      :ok
+    else
+      {_, errors} ->
+        IO.puts(IO.ANSI.format([:red, :bright, "Spec check failed, errors:"]))
+        Enum.map(errors, &IO.puts/1)
+
+        raise "Spec check failed"
+    end
+  end
+
+  def check_specs(spec) do
+    errors =
+      spec["paths"]
+      |> Enum.flat_map(fn {path, %{} = endpoints} ->
+        Enum.map(
+          endpoints,
+          fn {method, endpoint} ->
+            with :ok <- check_endpoint(spec, endpoint) do
+              :ok
+            else
+              error ->
+                "#{endpoint["operationId"]} (#{method} #{path}): #{error}"
+            end
+          end
+        )
+        |> Enum.reject(fn res -> res == :ok end)
+      end)
+
+    if errors == [] do
+      :ok
+    else
+      {:error, errors}
+    end
+  end
+
+  defp check_endpoint(spec, endpoint) do
+    valid_tags = available_tags(spec)
+
+    with {_, [_ | _] = tags} <- {:tags, endpoint["tags"]},
+         {_, []} <- {:unavailable, Enum.reject(tags, &(&1 in valid_tags))} do
+      :ok
+    else
+      {:tags, _} ->
+        "No tags specified"
+
+      {:unavailable, tags} ->
+        "Tags #{inspect(tags)} not available. Please add it in \"x-tagGroups\" in Pleroma.Web.ApiSpec"
+    end
+  end
+
+  defp available_tags(spec) do
+    spec["x-tagGroups"]
+    |> Enum.flat_map(fn %{"tags" => tags} -> tags end)
   end
 end
diff --git a/lib/pleroma/notification.ex b/lib/pleroma/notification.ex
index 2a9c3cd4e3..ba2417ad08 100644
--- a/lib/pleroma/notification.ex
+++ b/lib/pleroma/notification.ex
@@ -183,6 +183,7 @@ defp exclude_filtered(query, user) do
         from([_n, a, o] in query,
           where:
             fragment("not(?->>'content' ~* ?)", o.data, ^regex) or
+              fragment("?->>'content' is null", o.data) or
               fragment("?->>'actor' = ?", o.data, ^user.ap_id)
         )
     end
@@ -816,7 +817,7 @@ def skip?(
     cond do
       opts[:type] == "poll" -> false
       user.ap_id == actor -> false
-      !User.following?(follower, user) -> true
+      !User.following?(user, follower) -> true
       true -> false
     end
   end
diff --git a/lib/pleroma/upload/filter/exiftool/read_description.ex b/lib/pleroma/upload/filter/exiftool/read_description.ex
index 03d698a814..543b220319 100644
--- a/lib/pleroma/upload/filter/exiftool/read_description.ex
+++ b/lib/pleroma/upload/filter/exiftool/read_description.ex
@@ -33,7 +33,10 @@ defp read_when_empty(current_description, _, _) when is_binary(current_descripti
   defp read_when_empty(_, file, tag) do
     try do
       {tag_content, 0} =
-        System.cmd("exiftool", ["-b", "-s3", tag, file], stderr_to_stdout: true, parallelism: true)
+        System.cmd("exiftool", ["-b", "-s3", tag, file],
+          stderr_to_stdout: false,
+          parallelism: true
+        )
 
       tag_content = String.trim(tag_content)
 
diff --git a/lib/pleroma/web/admin_api/report.ex b/lib/pleroma/web/admin_api/report.ex
index 76af76ae7f..753b92d887 100644
--- a/lib/pleroma/web/admin_api/report.ex
+++ b/lib/pleroma/web/admin_api/report.ex
@@ -42,7 +42,7 @@ def extract_report_info(
 
   defp make_fake_activity(act, user) do
     %Activity{
-      id: "pleroma:fake",
+      id: "pleroma:fake:#{act["id"]}",
       data: %{
         "actor" => user.ap_id,
         "type" => "Create",
diff --git a/lib/pleroma/web/api_spec.ex b/lib/pleroma/web/api_spec.ex
index cae4241ff0..2d56dc6439 100644
--- a/lib/pleroma/web/api_spec.ex
+++ b/lib/pleroma/web/api_spec.ex
@@ -95,7 +95,8 @@ def spec(opts \\ []) do
               "Relays",
               "Report managment",
               "Status administration",
-              "User administration"
+              "User administration",
+              "Announcement management"
             ]
           },
           %{"name" => "Applications", "tags" => ["Applications", "Push subscriptions"]},
@@ -110,10 +111,12 @@ def spec(opts \\ []) do
               "Follow requests",
               "Mascot",
               "Markers",
-              "Notifications"
+              "Notifications",
+              "Filters",
+              "Settings"
             ]
           },
-          %{"name" => "Instance", "tags" => ["Custom emojis"]},
+          %{"name" => "Instance", "tags" => ["Custom emojis", "Instance misc"]},
           %{"name" => "Messaging", "tags" => ["Chats", "Conversations"]},
           %{
             "name" => "Statuses",
@@ -125,10 +128,21 @@ def spec(opts \\ []) do
               "Retrieve status information",
               "Scheduled statuses",
               "Search",
-              "Status actions"
+              "Status actions",
+              "Media attachments"
             ]
           },
-          %{"name" => "Miscellaneous", "tags" => ["Emoji packs", "Reports", "Suggestions"]}
+          %{
+            "name" => "Miscellaneous",
+            "tags" => [
+              "Emoji packs",
+              "Reports",
+              "Suggestions",
+              "Announcements",
+              "Remote interaction",
+              "Others"
+            ]
+          }
         ]
       }
     }
diff --git a/lib/pleroma/web/api_spec/operations/account_operation.ex b/lib/pleroma/web/api_spec/operations/account_operation.ex
index ddc3783075..68f4ee2531 100644
--- a/lib/pleroma/web/api_spec/operations/account_operation.ex
+++ b/lib/pleroma/web/api_spec/operations/account_operation.ex
@@ -458,7 +458,7 @@ def blocks_operation do
       operationId: "AccountController.blocks",
       description: "View your blocks. See also accounts/:id/{block,unblock}",
       security: [%{"oAuth" => ["read:blocks"]}],
-      parameters: pagination_params(),
+      parameters: [with_relationships_param() | pagination_params()],
       responses: %{
         200 => Operation.response("Accounts", "application/json", array_of_accounts())
       }
@@ -467,7 +467,7 @@ def blocks_operation do
 
   def lookup_operation do
     %Operation{
-      tags: ["Account lookup"],
+      tags: ["Retrieve account information"],
       summary: "Find a user by nickname",
       operationId: "AccountController.lookup",
       parameters: [
diff --git a/lib/pleroma/web/api_spec/operations/admin/announcement_operation.ex b/lib/pleroma/web/api_spec/operations/admin/announcement_operation.ex
index 58a039e721..49850e5d26 100644
--- a/lib/pleroma/web/api_spec/operations/admin/announcement_operation.ex
+++ b/lib/pleroma/web/api_spec/operations/admin/announcement_operation.ex
@@ -17,7 +17,7 @@ def open_api_operation(action) do
 
   def index_operation do
     %Operation{
-      tags: ["Announcement managment"],
+      tags: ["Announcement management"],
       summary: "Retrieve a list of announcements",
       operationId: "AdminAPI.AnnouncementController.index",
       security: [%{"oAuth" => ["admin:read"]}],
@@ -46,7 +46,7 @@ def index_operation do
 
   def show_operation do
     %Operation{
-      tags: ["Announcement managment"],
+      tags: ["Announcement management"],
       summary: "Display one announcement",
       operationId: "AdminAPI.AnnouncementController.show",
       security: [%{"oAuth" => ["admin:read"]}],
@@ -69,7 +69,7 @@ def show_operation do
 
   def delete_operation do
     %Operation{
-      tags: ["Announcement managment"],
+      tags: ["Announcement management"],
       summary: "Delete one announcement",
       operationId: "AdminAPI.AnnouncementController.delete",
       security: [%{"oAuth" => ["admin:write"]}],
@@ -92,7 +92,7 @@ def delete_operation do
 
   def create_operation do
     %Operation{
-      tags: ["Announcement managment"],
+      tags: ["Announcement management"],
       summary: "Create one announcement",
       operationId: "AdminAPI.AnnouncementController.create",
       security: [%{"oAuth" => ["admin:write"]}],
@@ -107,7 +107,7 @@ def create_operation do
 
   def change_operation do
     %Operation{
-      tags: ["Announcement managment"],
+      tags: ["Announcement management"],
       summary: "Change one announcement",
       operationId: "AdminAPI.AnnouncementController.change",
       security: [%{"oAuth" => ["admin:write"]}],
diff --git a/lib/pleroma/web/api_spec/operations/admin/status_operation.ex b/lib/pleroma/web/api_spec/operations/admin/status_operation.ex
index 229912dd74..17383f1d0e 100644
--- a/lib/pleroma/web/api_spec/operations/admin/status_operation.ex
+++ b/lib/pleroma/web/api_spec/operations/admin/status_operation.ex
@@ -70,7 +70,7 @@ def index_operation do
 
   def show_operation do
     %Operation{
-      tags: ["Status adminitration)"],
+      tags: ["Status administration"],
       summary: "Get status",
       operationId: "AdminAPI.StatusController.show",
       parameters: [id_param() | admin_api_params()],
@@ -84,7 +84,7 @@ def show_operation do
 
   def update_operation do
     %Operation{
-      tags: ["Status adminitration)"],
+      tags: ["Status administration"],
       summary: "Change the scope of a status",
       operationId: "AdminAPI.StatusController.update",
       parameters: [id_param() | admin_api_params()],
@@ -99,7 +99,7 @@ def update_operation do
 
   def delete_operation do
     %Operation{
-      tags: ["Status adminitration)"],
+      tags: ["Status administration"],
       summary: "Delete status",
       operationId: "AdminAPI.StatusController.delete",
       parameters: [id_param() | admin_api_params()],
@@ -143,7 +143,7 @@ def admin_account do
           }
         },
         tags: %Schema{type: :string},
-        is_confirmed: %Schema{type: :string}
+        is_confirmed: %Schema{type: :boolean}
       }
     }
   end
diff --git a/lib/pleroma/web/api_spec/operations/announcement_operation.ex b/lib/pleroma/web/api_spec/operations/announcement_operation.ex
index 71be0002ad..6f70319628 100644
--- a/lib/pleroma/web/api_spec/operations/announcement_operation.ex
+++ b/lib/pleroma/web/api_spec/operations/announcement_operation.ex
@@ -15,7 +15,7 @@ def open_api_operation(action) do
 
   def index_operation do
     %Operation{
-      tags: ["Announcement"],
+      tags: ["Announcements"],
       summary: "Retrieve a list of announcements",
       operationId: "MastodonAPI.AnnouncementController.index",
       security: [%{"oAuth" => []}],
@@ -28,7 +28,7 @@ def index_operation do
 
   def mark_read_operation do
     %Operation{
-      tags: ["Announcement"],
+      tags: ["Announcements"],
       summary: "Mark one announcement as read",
       operationId: "MastodonAPI.AnnouncementController.mark_read",
       security: [%{"oAuth" => ["write:accounts"]}],
diff --git a/lib/pleroma/web/api_spec/operations/directory_operation.ex b/lib/pleroma/web/api_spec/operations/directory_operation.ex
index 55752fa62b..23fa84dffb 100644
--- a/lib/pleroma/web/api_spec/operations/directory_operation.ex
+++ b/lib/pleroma/web/api_spec/operations/directory_operation.ex
@@ -17,7 +17,7 @@ def open_api_operation(action) do
 
   def index_operation do
     %Operation{
-      tags: ["Directory"],
+      tags: ["Others"],
       summary: "Profile directory",
       operationId: "DirectoryController.index",
       parameters:
diff --git a/lib/pleroma/web/api_spec/operations/instance_operation.ex b/lib/pleroma/web/api_spec/operations/instance_operation.ex
index b26c5a7adc..d1cfe4aa01 100644
--- a/lib/pleroma/web/api_spec/operations/instance_operation.ex
+++ b/lib/pleroma/web/api_spec/operations/instance_operation.ex
@@ -13,7 +13,7 @@ def open_api_operation(action) do
 
   def show_operation do
     %Operation{
-      tags: ["Instance"],
+      tags: ["Instance misc"],
       summary: "Retrieve instance information",
       description: "Information about the server",
       operationId: "InstanceController.show",
@@ -37,7 +37,7 @@ def show2_operation do
 
   def peers_operation do
     %Operation{
-      tags: ["Instance"],
+      tags: ["Instance misc"],
       summary: "Retrieve list of known instances",
       operationId: "InstanceController.peers",
       responses: %{
diff --git a/lib/pleroma/web/api_spec/operations/pleroma_emoji_file_operation.ex b/lib/pleroma/web/api_spec/operations/pleroma_emoji_file_operation.ex
index d09c1c10ea..b05bad197b 100644
--- a/lib/pleroma/web/api_spec/operations/pleroma_emoji_file_operation.ex
+++ b/lib/pleroma/web/api_spec/operations/pleroma_emoji_file_operation.ex
@@ -133,7 +133,11 @@ defp name_param do
   defp files_object do
     %Schema{
       type: :object,
-      additionalProperties: %Schema{type: :string},
+      additionalProperties: %Schema{
+        type: :string,
+        description: "Filename of the emoji",
+        extensions: %{"x-additionalPropertiesName": "Emoji name"}
+      },
       description: "Object with emoji names as keys and filenames as values"
     }
   end
diff --git a/lib/pleroma/web/api_spec/operations/pleroma_emoji_pack_operation.ex b/lib/pleroma/web/api_spec/operations/pleroma_emoji_pack_operation.ex
index 6add3ff330..efa36ffdc6 100644
--- a/lib/pleroma/web/api_spec/operations/pleroma_emoji_pack_operation.ex
+++ b/lib/pleroma/web/api_spec/operations/pleroma_emoji_pack_operation.ex
@@ -227,13 +227,29 @@ defp ok_response do
 
   defp emoji_packs_response do
     Operation.response(
-      "Object with pack names as keys and pack contents as values",
+      "Emoji packs and the count",
       "application/json",
       %Schema{
         type: :object,
-        additionalProperties: emoji_pack(),
+        properties: %{
+          packs: %Schema{
+            type: :object,
+            description: "Object with pack names as keys and pack contents as values",
+            additionalProperties: %Schema{
+              emoji_pack()
+              | extensions: %{"x-additionalPropertiesName": "Pack name"}
+            }
+          },
+          count: %Schema{
+            type: :integer,
+            description: "Number of emoji packs"
+          }
+        },
         example: %{
-          "emojos" => emoji_pack().example
+          "packs" => %{
+            "emojos" => emoji_pack().example
+          },
+          "count" => 1
         }
       }
     )
@@ -274,7 +290,11 @@ defp emoji_pack do
   defp files_object do
     %Schema{
       type: :object,
-      additionalProperties: %Schema{type: :string},
+      additionalProperties: %Schema{
+        type: :string,
+        description: "Filename",
+        extensions: %{"x-additionalPropertiesName": "Emoji name"}
+      },
       description: "Object with emoji names as keys and filenames as values"
     }
   end
diff --git a/lib/pleroma/web/api_spec/operations/pleroma_instances_operation.ex b/lib/pleroma/web/api_spec/operations/pleroma_instances_operation.ex
index 82db4e1a86..e9319f3fb0 100644
--- a/lib/pleroma/web/api_spec/operations/pleroma_instances_operation.ex
+++ b/lib/pleroma/web/api_spec/operations/pleroma_instances_operation.ex
@@ -13,7 +13,7 @@ def open_api_operation(action) do
 
   def show_operation do
     %Operation{
-      tags: ["Instance"],
+      tags: ["Instance misc"],
       summary: "Retrieve federation status",
       description: "Information about instances deemed unreachable by the server",
       operationId: "PleromaInstances.show",
diff --git a/lib/pleroma/web/api_spec/operations/status_operation.ex b/lib/pleroma/web/api_spec/operations/status_operation.ex
index f61c922db9..b128ab2e2c 100644
--- a/lib/pleroma/web/api_spec/operations/status_operation.ex
+++ b/lib/pleroma/web/api_spec/operations/status_operation.ex
@@ -473,7 +473,7 @@ def bookmarks_operation do
 
   def show_history_operation do
     %Operation{
-      tags: ["Retrieve status history"],
+      tags: ["Retrieve status information"],
       summary: "Status history",
       description: "View history of a status",
       operationId: "StatusController.show_history",
@@ -490,7 +490,7 @@ def show_history_operation do
 
   def show_source_operation do
     %Operation{
-      tags: ["Retrieve status source"],
+      tags: ["Retrieve status information"],
       summary: "Status source",
       description: "View source of a status",
       operationId: "StatusController.show_source",
@@ -507,7 +507,7 @@ def show_source_operation do
 
   def update_operation do
     %Operation{
-      tags: ["Update status"],
+      tags: ["Status actions"],
       summary: "Update status",
       description: "Change the content of a status",
       operationId: "StatusController.update",
diff --git a/lib/pleroma/web/api_spec/operations/twitter_util_operation.ex b/lib/pleroma/web/api_spec/operations/twitter_util_operation.ex
index d9b47cdcde..e63484daf8 100644
--- a/lib/pleroma/web/api_spec/operations/twitter_util_operation.ex
+++ b/lib/pleroma/web/api_spec/operations/twitter_util_operation.ex
@@ -17,7 +17,7 @@ def open_api_operation(action) do
 
   def emoji_operation do
     %Operation{
-      tags: ["Emojis"],
+      tags: ["Custom emojis"],
       summary: "List all custom emojis",
       operationId: "UtilController.emoji",
       parameters: [],
@@ -30,7 +30,8 @@ def emoji_operation do
               properties: %{
                 image_url: %Schema{type: :string},
                 tags: %Schema{type: :array, items: %Schema{type: :string}}
-              }
+              },
+              extensions: %{"x-additionalPropertiesName": "Emoji name"}
             },
             example: %{
               "firefox" => %{
@@ -45,7 +46,7 @@ def emoji_operation do
 
   def frontend_configurations_operation do
     %Operation{
-      tags: ["Configuration"],
+      tags: ["Others"],
       summary: "Dump frontend configurations",
       operationId: "UtilController.frontend_configurations",
       parameters: [],
@@ -53,7 +54,12 @@ def frontend_configurations_operation do
         200 =>
           Operation.response("List", "application/json", %Schema{
             type: :object,
-            additionalProperties: %Schema{type: :object}
+            additionalProperties: %Schema{
+              type: :object,
+              description:
+                "Opaque object representing the instance-wide configuration for the frontend",
+              extensions: %{"x-additionalPropertiesName": "Frontend name"}
+            }
           })
       }
     }
@@ -132,7 +138,7 @@ defp change_email_request do
 
   def update_notificaton_settings_operation do
     %Operation{
-      tags: ["Accounts"],
+      tags: ["Settings"],
       summary: "Update Notification Settings",
       security: [%{"oAuth" => ["write:accounts"]}],
       operationId: "UtilController.update_notificaton_settings",
@@ -207,6 +213,7 @@ def captcha_operation do
     %Operation{
       summary: "Get a captcha",
       operationId: "UtilController.captcha",
+      tags: ["Others"],
       parameters: [],
       responses: %{
         200 => Operation.response("Success", "application/json", %Schema{type: :object})
@@ -357,7 +364,7 @@ defp delete_alias_request do
 
   def healthcheck_operation do
     %Operation{
-      tags: ["Accounts"],
+      tags: ["Others"],
       summary: "Quick status check on the instance",
       security: [%{"oAuth" => ["write:accounts"]}],
       operationId: "UtilController.healthcheck",
@@ -372,7 +379,7 @@ def healthcheck_operation do
 
   def remote_subscribe_operation do
     %Operation{
-      tags: ["Accounts"],
+      tags: ["Remote interaction"],
       summary: "Remote Subscribe",
       operationId: "UtilController.remote_subscribe",
       parameters: [],
@@ -382,7 +389,7 @@ def remote_subscribe_operation do
 
   def remote_interaction_operation do
     %Operation{
-      tags: ["Accounts"],
+      tags: ["Remote interaction"],
       summary: "Remote interaction",
       operationId: "UtilController.remote_interaction",
       requestBody: request_body("Parameters", remote_interaction_request(), required: true),
@@ -408,7 +415,7 @@ defp remote_interaction_request do
 
   def show_subscribe_form_operation do
     %Operation{
-      tags: ["Accounts"],
+      tags: ["Remote interaction"],
       summary: "Show remote subscribe form",
       operationId: "UtilController.show_subscribe_form",
       parameters: [],
diff --git a/lib/pleroma/web/api_spec/schemas/status.ex b/lib/pleroma/web/api_spec/schemas/status.ex
index 27c9b93595..7993f8f7d9 100644
--- a/lib/pleroma/web/api_spec/schemas/status.ex
+++ b/lib/pleroma/web/api_spec/schemas/status.ex
@@ -145,7 +145,11 @@ defmodule Pleroma.Web.ApiSpec.Schemas.Status do
         properties: %{
           content: %Schema{
             type: :object,
-            additionalProperties: %Schema{type: :string},
+            additionalProperties: %Schema{
+              type: :string,
+              description: "Alternate representation in the MIME type specified",
+              extensions: %{"x-additionalPropertiesName": "MIME type"}
+            },
             description:
               "A map consisting of alternate representations of the `content` property with the key being it's mimetype. Currently the only alternate representation supported is `text/plain`"
           },
@@ -215,7 +219,11 @@ defmodule Pleroma.Web.ApiSpec.Schemas.Status do
           },
           spoiler_text: %Schema{
             type: :object,
-            additionalProperties: %Schema{type: :string},
+            additionalProperties: %Schema{
+              type: :string,
+              description: "Alternate representation in the MIME type specified",
+              extensions: %{"x-additionalPropertiesName": "MIME type"}
+            },
             description:
               "A map consisting of alternate representations of the `spoiler_text` property with the key being it's mimetype. Currently the only alternate representation supported is `text/plain`."
           },
diff --git a/lib/pleroma/web/feed/feed_view.ex b/lib/pleroma/web/feed/feed_view.ex
index 449659f4bb..034722eb2e 100644
--- a/lib/pleroma/web/feed/feed_view.ex
+++ b/lib/pleroma/web/feed/feed_view.ex
@@ -6,7 +6,6 @@ defmodule Pleroma.Web.Feed.FeedView do
   use Phoenix.HTML
   use Pleroma.Web, :view
 
-  alias Pleroma.Formatter
   alias Pleroma.Object
   alias Pleroma.User
   alias Pleroma.Web.Gettext
@@ -72,7 +71,9 @@ def logo(user) do
 
   def last_activity(activities), do: List.last(activities)
 
-  def activity_title(%{"content" => content, "summary" => summary} = data, opts \\ %{}) do
+  def activity_title(%{"content" => content} = data, opts \\ %{}) do
+    summary = Map.get(data, "summary", "")
+
     title =
       cond do
         summary != "" -> summary
@@ -81,9 +82,8 @@ def activity_title(%{"content" => content, "summary" => summary} = data, opts \\
       end
 
     title
-    |> Pleroma.Web.Metadata.Utils.scrub_html()
-    |> Pleroma.Emoji.Formatter.demojify()
-    |> Formatter.truncate(opts[:max_length], opts[:omission])
+    |> Pleroma.Web.Metadata.Utils.scrub_html_and_truncate(opts[:max_length], opts[:omission])
+    |> HtmlEntities.encode()
   end
 
   def activity_description(data) do
diff --git a/lib/pleroma/web/mastodon_api/controllers/account_controller.ex b/lib/pleroma/web/mastodon_api/controllers/account_controller.ex
index 451bced6c2..5c2588b249 100644
--- a/lib/pleroma/web/mastodon_api/controllers/account_controller.ex
+++ b/lib/pleroma/web/mastodon_api/controllers/account_controller.ex
@@ -544,7 +544,12 @@ def blocks(%{assigns: %{user: user}} = conn, params) do
 
     conn
     |> add_link_headers(users)
-    |> render("index.json", users: users, for: user, as: :user)
+    |> render("index.json",
+      users: users,
+      for: user,
+      as: :user,
+      embed_relationships: embed_relationships?(params)
+    )
   end
 
   @doc "GET /api/v1/accounts/lookup"
diff --git a/lib/pleroma/web/mastodon_api/views/instance_view.ex b/lib/pleroma/web/mastodon_api/views/instance_view.ex
index e75d3a8ee3..4822522d79 100644
--- a/lib/pleroma/web/mastodon_api/views/instance_view.ex
+++ b/lib/pleroma/web/mastodon_api/views/instance_view.ex
@@ -34,7 +34,7 @@ def render("show.json", _) do
       thumbnail:
         URI.merge(Pleroma.Web.Endpoint.url(), Keyword.get(instance, :instance_thumbnail))
         |> to_string,
-      languages: ["en"],
+      languages: Keyword.get(instance, :languages, ["en"]),
       registrations: Keyword.get(instance, :registrations_open),
       approval_required: Keyword.get(instance, :account_approval_required),
       configuration: configuration(),
diff --git a/lib/pleroma/web/metadata/utils.ex b/lib/pleroma/web/metadata/utils.ex
index 15414a988d..80a8be9a2d 100644
--- a/lib/pleroma/web/metadata/utils.ex
+++ b/lib/pleroma/web/metadata/utils.ex
@@ -30,12 +30,13 @@ def scrub_html_and_truncate(%{data: %{"content" => content}} = object) do
     |> scrub_html_and_truncate_object_field(object)
   end
 
-  def scrub_html_and_truncate(content, max_length \\ 200) when is_binary(content) do
+  def scrub_html_and_truncate(content, max_length \\ 200, omission \\ "...")
+      when is_binary(content) do
     content
     |> scrub_html
     |> Emoji.Formatter.demojify()
     |> HtmlEntities.decode()
-    |> Formatter.truncate(max_length)
+    |> Formatter.truncate(max_length, omission)
   end
 
   def scrub_html(content) when is_binary(content) do
diff --git a/lib/pleroma/web/plugs/authentication_plug.ex b/lib/pleroma/web/plugs/authentication_plug.ex
index a7fd697b5d..f912a1542f 100644
--- a/lib/pleroma/web/plugs/authentication_plug.ex
+++ b/lib/pleroma/web/plugs/authentication_plug.ex
@@ -38,10 +38,6 @@ def call(
 
   def call(conn, _), do: conn
 
-  def checkpw(password, "$6" <> _ = password_hash) do
-    :crypt.crypt(password, password_hash) == password_hash
-  end
-
   def checkpw(password, "$2" <> _ = password_hash) do
     # Handle bcrypt passwords for Mastodon migration
     Bcrypt.verify_pass(password, password_hash)
@@ -60,10 +56,6 @@ def maybe_update_password(%User{password_hash: "$2" <> _} = user, password) do
     do_update_password(user, password)
   end
 
-  def maybe_update_password(%User{password_hash: "$6" <> _} = user, password) do
-    do_update_password(user, password)
-  end
-
   def maybe_update_password(user, _), do: {:ok, user}
 
   defp do_update_password(user, password) do
diff --git a/lib/pleroma/web/rel_me.ex b/lib/pleroma/web/rel_me.ex
index 98fbc1c59e..ceb6a05f0f 100644
--- a/lib/pleroma/web/rel_me.ex
+++ b/lib/pleroma/web/rel_me.ex
@@ -9,17 +9,13 @@ defmodule Pleroma.Web.RelMe do
     recv_timeout: 2_000
   ]
 
-  if Pleroma.Config.get(:env) == :test do
-    def parse(url) when is_binary(url), do: parse_url(url)
-  else
-    @cachex Pleroma.Config.get([:cachex, :provider], Cachex)
-    def parse(url) when is_binary(url) do
-      @cachex.fetch!(:rel_me_cache, url, fn _ ->
-        {:commit, parse_url(url)}
-      end)
-    rescue
-      e -> {:error, "Cachex error: #{inspect(e)}"}
-    end
+  @cachex Pleroma.Config.get([:cachex, :provider], Cachex)
+  def parse(url) when is_binary(url) do
+    @cachex.fetch!(:rel_me_cache, url, fn _ ->
+      {:commit, parse_url(url)}
+    end)
+  rescue
+    e -> {:error, "Cachex error: #{inspect(e)}"}
   end
 
   def parse(_), do: {:error, "No URL provided"}
diff --git a/lib/pleroma/web/router.ex b/lib/pleroma/web/router.ex
index 4032b4bbcf..ce158e230c 100644
--- a/lib/pleroma/web/router.ex
+++ b/lib/pleroma/web/router.ex
@@ -928,8 +928,7 @@ defmodule Pleroma.Web.Router do
   end
 
   scope "/", Pleroma.Web do
-    # Note: html format is supported only if static FE is enabled
-    pipe_through([:accepts_html_xml, :static_fe])
+    pipe_through([:accepts_html_xml])
 
     get("/users/:nickname/feed", Feed.UserController, :feed, as: :user_feed)
   end
diff --git a/lib/pleroma/web/templates/feed/feed/_activity.atom.eex b/lib/pleroma/web/templates/feed/feed/_activity.atom.eex
index 260338772a..b774f79844 100644
--- a/lib/pleroma/web/templates/feed/feed/_activity.atom.eex
+++ b/lib/pleroma/web/templates/feed/feed/_activity.atom.eex
@@ -4,8 +4,8 @@
   <id><%= @data["id"] %></id>
   <title><%= activity_title(@data, Keyword.get(@feed_config, :post_title, %{})) %></title>
   <content type="html"><%= activity_description(@data) %></content>
-  <published><%= to_rfc3339(@activity.data["published"]) %></published>
-  <updated><%= to_rfc3339(@activity.data["published"]) %></updated>
+  <published><%= to_rfc3339(@data["published"]) %></published>
+  <updated><%= to_rfc3339(@data["published"]) %></updated>
   <ostatus:conversation ref="<%= activity_context(@activity) %>">
     <%= activity_context(@activity) %>
   </ostatus:conversation>
diff --git a/lib/pleroma/web/templates/feed/feed/_activity.rss.eex b/lib/pleroma/web/templates/feed/feed/_activity.rss.eex
index 5c8f35fe47..7de98f7368 100644
--- a/lib/pleroma/web/templates/feed/feed/_activity.rss.eex
+++ b/lib/pleroma/web/templates/feed/feed/_activity.rss.eex
@@ -4,7 +4,7 @@
   <guid><%= @data["id"] %></guid>
   <title><%= activity_title(@data, Keyword.get(@feed_config, :post_title, %{})) %></title>
   <description><%= activity_description(@data) %></description>
-  <pubDate><%= to_rfc2822(@activity.data["published"]) %></pubDate>
+  <pubDate><%= to_rfc2822(@data["published"]) %></pubDate>
   <ostatus:conversation ref="<%= activity_context(@activity) %>">
     <%= activity_context(@activity) %>
   </ostatus:conversation>
diff --git a/lib/pleroma/web/templates/feed/feed/_tag_activity.atom.eex b/lib/pleroma/web/templates/feed/feed/_tag_activity.atom.eex
index 25980c1e42..03c222975e 100644
--- a/lib/pleroma/web/templates/feed/feed/_tag_activity.atom.eex
+++ b/lib/pleroma/web/templates/feed/feed/_tag_activity.atom.eex
@@ -7,8 +7,8 @@
   <id><%= @data["id"] %></id>
   <title><%= activity_title(@data, Keyword.get(@feed_config, :post_title, %{})) %></title>
   <content type="html"><%= activity_description(@data) %></content>
-  <published><%= to_rfc3339(@activity.data["published"]) %></published>
-  <updated><%= to_rfc3339(@activity.data["published"]) %></updated>
+  <published><%= to_rfc3339(@data["published"]) %></published>
+  <updated><%= to_rfc3339(@data["published"]) %></updated>
   <ostatus:conversation ref="<%= activity_context(@activity) %>">
     <%= activity_context(@activity) %>
   </ostatus:conversation>
diff --git a/lib/pleroma/web/templates/feed/feed/_tag_activity.xml.eex b/lib/pleroma/web/templates/feed/feed/_tag_activity.xml.eex
index d582c83e8c..1b8c34b871 100644
--- a/lib/pleroma/web/templates/feed/feed/_tag_activity.xml.eex
+++ b/lib/pleroma/web/templates/feed/feed/_tag_activity.xml.eex
@@ -4,7 +4,7 @@
 
   <guid isPermalink="true"><%= activity_context(@activity) %></guid>
   <link><%= activity_context(@activity) %></link>
-  <pubDate><%= to_rfc2822(@activity.data["published"]) %></pubDate>
+  <pubDate><%= to_rfc2822(@data["published"]) %></pubDate>
 
   <description><%= activity_description(@data) %></description>
   <%= for attachment <- @data["attachment"] || [] do %>
diff --git a/lib/pleroma/workers/receiver_worker.ex b/lib/pleroma/workers/receiver_worker.ex
index 4f513b9074..cf1bb62b44 100644
--- a/lib/pleroma/workers/receiver_worker.ex
+++ b/lib/pleroma/workers/receiver_worker.ex
@@ -13,6 +13,9 @@ def perform(%Job{args: %{"op" => "incoming_ap_doc", "params" => params}}) do
       {:ok, res}
     else
       {:error, :origin_containment_failed} -> {:cancel, :origin_containment_failed}
+      {:error, :already_present} -> {:cancel, :already_present}
+      {:error, {:validate_object, reason}} -> {:cancel, reason}
+      {:error, {:error, {:validate, reason}}} -> {:cancel, reason}
       {:error, {:reject, reason}} -> {:cancel, reason}
       e -> e
     end
diff --git a/mix.exs b/mix.exs
index 9b3e0e8823..3f76e6d746 100644
--- a/mix.exs
+++ b/mix.exs
@@ -8,7 +8,7 @@ def project do
       app: :pleroma,
       name: "Rebased",
       compat_name: "Pleroma",
-      version: version("2.5.50"),
+      version: version("2.5.51"),
       elixir: "~> 1.11",
       elixirc_paths: elixirc_paths(Mix.env()),
       compilers: [:phoenix, :gettext] ++ Mix.compilers(),
@@ -156,9 +156,6 @@ defp deps do
       {:sweet_xml, "~> 0.7.2"},
       {:earmark, "~> 1.4.22"},
       {:bbcode_pleroma, "~> 0.2.0"},
-      {:crypt,
-       git: "https://github.com/msantos/crypt.git",
-       ref: "f75cd55325e33cbea198fb41fe41871392f8fb76"},
       {:cors_plug, "~> 2.0"},
       {:web_push_encryption, "~> 0.3.1"},
       {:swoosh, "~> 1.8.2"},
@@ -168,7 +165,7 @@ defp deps do
       {:floki, "~> 0.27"},
       {:timex, "~> 3.6"},
       {:ueberauth, "~> 0.4"},
-      {:linkify, "~> 0.5.2"},
+      {:linkify, "~> 0.5.3"},
       {:http_signatures, "~> 0.1.1"},
       {:telemetry, "~> 1.0", override: true},
       {:poolboy, "~> 1.5"},
@@ -203,7 +200,7 @@ defp deps do
       {:majic, "~> 1.0"},
       {:eblurhash, "~> 1.2.2"},
       {:oembed_providers, "~> 0.1.0"},
-      {:open_api_spex, "~> 3.10"},
+      {:open_api_spex, "~> 3.16"},
       {:ecto_psql_extras, "~> 0.6"},
       {:icalendar, "~> 1.1"},
       {:geospatial, "~> 0.2.0"},
diff --git a/mix.lock b/mix.lock
index 2db7c1dc30..1086bf8a52 100644
--- a/mix.lock
+++ b/mix.lock
@@ -71,7 +71,7 @@
   "joken": {:hex, :joken, "2.3.0", "62a979c46f2c81dcb8ddc9150453b60d3757d1ac393c72bb20fc50a7b0827dc6", [:mix], [{:jose, "~> 1.10", [hex: :jose, repo: "hexpm", optional: false]}], "hexpm", "57b263a79c0ec5d536ac02d569c01e6b4de91bd1cb825625fe90eab4feb7bc1e"},
   "jose": {:hex, :jose, "1.11.1", "59da64010c69aad6cde2f5b9248b896b84472e99bd18f246085b7b9fe435dcdb", [:mix, :rebar3], [], "hexpm", "078f6c9fb3cd2f4cfafc972c814261a7d1e8d2b3685c0a76eb87e158efff1ac5"},
   "jumper": {:hex, :jumper, "1.0.1", "3c00542ef1a83532b72269fab9f0f0c82bf23a35e27d278bfd9ed0865cecabff", [:mix], [], "hexpm", "318c59078ac220e966d27af3646026db9b5a5e6703cb2aa3e26bcfaba65b7433"},
-  "linkify": {:hex, :linkify, "0.5.2", "fb66be139fdf1656ecb31f78a93592724d1b78d960a1b3598bd661013ea0e3c7", [:mix], [], "hexpm", "8d71ac690218d8952c90cbeb63cb8cc33738bb230d8a56d487d9447f2a5eab86"},
+  "linkify": {:hex, :linkify, "0.5.3", "5f8143d8f61f5ff08d3aeeff47ef6509492b4948d8f08007fbf66e4d2246a7f2", [:mix], [], "hexpm", "3ef35a1377d47c25506e07c1c005ea9d38d700699d92ee92825f024434258177"},
   "majic": {:hex, :majic, "1.0.0", "37e50648db5f5c2ff0c9fb46454d034d11596c03683807b9fb3850676ffdaab3", [:make, :mix], [{:elixir_make, "~> 0.6.1", [hex: :elixir_make, repo: "hexpm", optional: false]}, {:mime, "~> 1.0", [hex: :mime, repo: "hexpm", optional: false]}, {:nimble_pool, "~> 0.2", [hex: :nimble_pool, repo: "hexpm", optional: false]}, {:plug, "~> 1.0", [hex: :plug, repo: "hexpm", optional: true]}], "hexpm", "7905858f76650d49695f14ea55cd9aaaee0c6654fa391671d4cf305c275a0a9e"},
   "makeup": {:hex, :makeup, "1.0.5", "d5a830bc42c9800ce07dd97fa94669dfb93d3bf5fcf6ea7a0c67b2e0e4a7f26c", [:mix], [{:nimble_parsec, "~> 0.5 or ~> 1.0", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm", "cfa158c02d3f5c0c665d0af11512fed3fba0144cf1aadee0f2ce17747fba2ca9"},
   "makeup_elixir": {:hex, :makeup_elixir, "0.14.1", "4f0e96847c63c17841d42c08107405a005a2680eb9c7ccadfd757bd31dabccfb", [:mix], [{:makeup, "~> 1.0", [hex: :makeup, repo: "hexpm", optional: false]}], "hexpm", "f2438b1a80eaec9ede832b5c41cd4f373b38fd7aa33e3b22d9db79e640cbde11"},
@@ -93,7 +93,7 @@
   "oauther": {:hex, :oauther, "1.3.0", "82b399607f0ca9d01c640438b34d74ebd9e4acd716508f868e864537ecdb1f76", [:mix], [], "hexpm", "78eb888ea875c72ca27b0864a6f550bc6ee84f2eeca37b093d3d833fbcaec04e"},
   "oban": {:hex, :oban, "2.13.4", "b4c4f48f4c89cc01036670eefa28aa9c03d09aadd402655475b936983d597006", [:mix], [{:ecto_sql, "~> 3.6", [hex: :ecto_sql, repo: "hexpm", optional: false]}, {:jason, "~> 1.1", [hex: :jason, repo: "hexpm", optional: false]}, {:postgrex, "~> 0.16", [hex: :postgrex, repo: "hexpm", optional: false]}, {:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "a7d26f82b409e2d7928fbb75a17716e06ad3f783ebe9af260e3dd23abed7f124"},
   "oembed_providers": {:hex, :oembed_providers, "0.1.0", "9b336ee5f3ca20ee4ed005383c74b154d30d0abeb98e95828855c0e2841ae46b", [:mix], [{:glob, "~> 1.0", [hex: :glob, repo: "hexpm", optional: false]}, {:jason, "~> 1.2", [hex: :jason, repo: "hexpm", optional: false]}], "hexpm", "ac1dda0f743aa6fdead3eef59decfefc9de91d550bf0805b8fce16ed10d421ba"},
-  "open_api_spex": {:hex, :open_api_spex, "3.10.0", "94e9521ad525b3fcf6dc77da7c45f87fdac24756d4de588cb0816b413e7c1844", [:mix], [{:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}, {:plug, "~> 1.7", [hex: :plug, repo: "hexpm", optional: false]}, {:poison, "~> 3.1", [hex: :poison, repo: "hexpm", optional: true]}], "hexpm", "2dbb2bde3d2b821f06936e8dfaf3284331186556291946d84eeba3750ac28765"},
+  "open_api_spex": {:hex, :open_api_spex, "3.16.0", "9843af4e87550cd8ac5821b10e4c74f1d51f0d4e3310f824d780614743423b25", [:mix], [{:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}, {:plug, "~> 1.7", [hex: :plug, repo: "hexpm", optional: false]}, {:poison, "~> 3.0 or ~> 4.0 or ~> 5.0", [hex: :poison, repo: "hexpm", optional: true]}, {:ymlr, "~> 2.0 or ~> 3.0", [hex: :ymlr, repo: "hexpm", optional: true]}], "hexpm", "bb0be24a648b73e8fc8cbda17f514b8486262275e8b33e8b5ae66283df972129"},
   "parallel_stream": {:hex, :parallel_stream, "1.0.6", "b967be2b23f0f6787fab7ed681b4c45a215a81481fb62b01a5b750fa8f30f76c", [:mix], [], "hexpm", "639b2e8749e11b87b9eb42f2ad325d161c170b39b288ac8d04c4f31f8f0823eb"},
   "parse_trans": {:hex, :parse_trans, "3.3.1", "16328ab840cc09919bd10dab29e431da3af9e9e7e7e6f0089dd5a2d2820011d8", [:rebar3], [], "hexpm", "07cd9577885f56362d414e8c4c4e6bdf10d43a8767abb92d24cbe8b24c54888b"},
   "pbkdf2_elixir": {:hex, :pbkdf2_elixir, "1.2.1", "9cbe354b58121075bd20eb83076900a3832324b7dd171a6895fab57b6bb2752c", [:mix], [{:comeonin, "~> 5.3", [hex: :comeonin, repo: "hexpm", optional: false]}], "hexpm", "d3b40a4a4630f0b442f19eca891fcfeeee4c40871936fed2f68e1c4faa30481f"},
diff --git a/priv/gettext/config_descriptions.pot b/priv/gettext/config_descriptions.pot
index 1c720d3949..53b81fa414 100644
--- a/priv/gettext/config_descriptions.pot
+++ b/priv/gettext/config_descriptions.pot
@@ -6033,3 +6033,15 @@ msgstr ""
 msgctxt "config label at :pleroma-:instance > :moderator_privileges"
 msgid "Moderator privileges"
 msgstr ""
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/docs/translator.ex:5
+msgctxt "config description at :pleroma-:instance > :languages"
+msgid "Languages to be exposed in /api/v1/instance. Should be in the format of BCP47 language codes."
+msgstr ""
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/docs/translator.ex:5
+msgctxt "config label at :pleroma-:instance > :languages"
+msgid "Languages"
+msgstr ""
diff --git a/priv/gettext/errors.pot b/priv/gettext/errors.pot
index af3405c5d4..fa61d509e7 100644
--- a/priv/gettext/errors.pot
+++ b/priv/gettext/errors.pot
@@ -111,7 +111,7 @@ msgid "Can't display this activity"
 msgstr ""
 
 #, elixir-autogen, elixir-format
-#: lib/pleroma/web/mastodon_api/controllers/account_controller.ex:337
+#: lib/pleroma/web/mastodon_api/controllers/account_controller.ex:334
 msgid "Can't find user"
 msgstr ""
 
@@ -236,7 +236,7 @@ msgid "Poll's author can't vote"
 msgstr ""
 
 #, elixir-autogen, elixir-format
-#: lib/pleroma/web/mastodon_api/controllers/account_controller.ex:502
+#: lib/pleroma/web/mastodon_api/controllers/account_controller.ex:499
 #: lib/pleroma/web/mastodon_api/controllers/fallback_controller.ex:20
 #: lib/pleroma/web/mastodon_api/controllers/poll_controller.ex:39
 #: lib/pleroma/web/mastodon_api/controllers/poll_controller.ex:51
@@ -558,7 +558,7 @@ msgid "Access denied"
 msgstr ""
 
 #, elixir-autogen, elixir-format
-#: lib/pleroma/web/mastodon_api/controllers/account_controller.ex:334
+#: lib/pleroma/web/mastodon_api/controllers/account_controller.ex:331
 msgid "This API requires an authenticated user"
 msgstr ""
 
diff --git a/test/fixtures/image_with_imagedescription_and_caption-abstract_and_stray_data_after.png b/test/fixtures/image_with_imagedescription_and_caption-abstract_and_stray_data_after.png
new file mode 100644
index 0000000000..7ce8640fa0
Binary files /dev/null and b/test/fixtures/image_with_imagedescription_and_caption-abstract_and_stray_data_after.png differ
diff --git a/test/fixtures/image_with_stray_data_after.png b/test/fixtures/image_with_stray_data_after.png
new file mode 100755
index 0000000000..a280e43777
Binary files /dev/null and b/test/fixtures/image_with_stray_data_after.png differ
diff --git a/test/mix/tasks/pleroma/openapi_spec_test.exs b/test/mix/tasks/pleroma/openapi_spec_test.exs
new file mode 100644
index 0000000000..01437187a0
--- /dev/null
+++ b/test/mix/tasks/pleroma/openapi_spec_test.exs
@@ -0,0 +1,62 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Mix.Tasks.Pleroma.OpenapiSpecTest do
+  use Pleroma.DataCase, async: true
+
+  alias Mix.Tasks.Pleroma.OpenapiSpec
+
+  @spec_base %{
+    "paths" => %{
+      "/cofe" => %{
+        "get" => %{
+          "operationId" => "Some.operation",
+          "tags" => []
+        }
+      },
+      "/mew" => %{
+        "post" => %{
+          "operationId" => "Another.operation",
+          "tags" => ["mew mew"]
+        }
+      }
+    },
+    "x-tagGroups" => [
+      %{
+        "name" => "mew",
+        "tags" => ["mew mew", "abc"]
+      },
+      %{
+        "name" => "lol",
+        "tags" => ["lol lol", "xyz"]
+      }
+    ]
+  }
+
+  describe "check_specs/1" do
+    test "Every operation must have a tag" do
+      assert {:error, ["Some.operation (get /cofe): No tags specified"]} ==
+               OpenapiSpec.check_specs(@spec_base)
+    end
+
+    test "Every tag must be in tag groups" do
+      spec =
+        @spec_base
+        |> put_in(["paths", "/cofe", "get", "tags"], ["abc", "def", "not specified"])
+
+      assert {:error,
+              [
+                "Some.operation (get /cofe): Tags #{inspect(["def", "not specified"])} not available. Please add it in \"x-tagGroups\" in Pleroma.Web.ApiSpec"
+              ]} == OpenapiSpec.check_specs(spec)
+    end
+
+    test "No errors if ok" do
+      spec =
+        @spec_base
+        |> put_in(["paths", "/cofe", "get", "tags"], ["abc", "mew mew"])
+
+      assert :ok == OpenapiSpec.check_specs(spec)
+    end
+  end
+end
diff --git a/test/pleroma/notification_test.exs b/test/pleroma/notification_test.exs
index 98f76d89d3..74510fb018 100644
--- a/test/pleroma/notification_test.exs
+++ b/test/pleroma/notification_test.exs
@@ -476,6 +476,32 @@ test "it disables notifications from strangers" do
       refute Notification.create_notification(activity, followed)
     end
 
+    test "it disables notifications from non-followees" do
+      follower = insert(:user)
+
+      followed =
+        insert(:user,
+          notification_settings: %Pleroma.User.NotificationSetting{block_from_strangers: true}
+        )
+
+      CommonAPI.follow(follower, followed)
+      {:ok, activity} = CommonAPI.post(follower, %{status: "hey @#{followed.nickname}"})
+      refute Notification.create_notification(activity, followed)
+    end
+
+    test "it allows notifications from followees" do
+      poster = insert(:user)
+
+      receiver =
+        insert(:user,
+          notification_settings: %Pleroma.User.NotificationSetting{block_from_strangers: true}
+        )
+
+      CommonAPI.follow(receiver, poster)
+      {:ok, activity} = CommonAPI.post(poster, %{status: "hey @#{receiver.nickname}"})
+      assert Notification.create_notification(activity, receiver)
+    end
+
     test "it doesn't create a notification for user if he is the activity author" do
       activity = insert(:note_activity)
       author = User.get_cached_by_ap_id(activity.data["actor"])
@@ -1394,5 +1420,32 @@ test "it returns notifications about favorites with filtered word", %{user: user
 
       assert length(Notification.for_user(user)) == 1
     end
+
+    test "it returns notifications when related object is without content and filters are defined",
+         %{user: user} do
+      followed_user = insert(:user, is_locked: true)
+
+      insert(:filter, user: followed_user, phrase: "test", hide: true)
+
+      {:ok, _, _, _activity} = CommonAPI.follow(user, followed_user)
+      refute FollowingRelationship.following?(user, followed_user)
+      assert [notification] = Notification.for_user(followed_user)
+
+      assert %{type: "follow_request"} =
+               NotificationView.render("show.json", %{
+                 notification: notification,
+                 for: followed_user
+               })
+
+      assert {:ok, _} = CommonAPI.accept_follow_request(user, followed_user)
+
+      assert [notification] = Notification.for_user(followed_user)
+
+      assert %{type: "follow"} =
+               NotificationView.render("show.json", %{
+                 notification: notification,
+                 for: followed_user
+               })
+    end
   end
 end
diff --git a/test/pleroma/upload/filter/exiftool/read_description_test.exs b/test/pleroma/upload/filter/exiftool/read_description_test.exs
index 7389fda471..7cc83969d0 100644
--- a/test/pleroma/upload/filter/exiftool/read_description_test.exs
+++ b/test/pleroma/upload/filter/exiftool/read_description_test.exs
@@ -42,6 +42,33 @@ test "otherwise returns ImageDescription when present" do
              {:ok, :filtered, uploads_after}
   end
 
+  test "Ignores warnings" do
+    uploads = %Pleroma.Upload{
+      name: "image_with_imagedescription_and_caption-abstract_and_stray_data_after.png",
+      content_type: "image/png",
+      path:
+        Path.absname(
+          "test/fixtures/image_with_imagedescription_and_caption-abstract_and_stray_data_after.png"
+        ),
+      tempfile:
+        Path.absname(
+          "test/fixtures/image_with_imagedescription_and_caption-abstract_and_stray_data_after.png"
+        )
+    }
+
+    assert {:ok, :filtered, %{description: "a descriptive white pixel"}} =
+             Filter.Exiftool.ReadDescription.filter(uploads)
+
+    uploads = %Pleroma.Upload{
+      name: "image_with_stray_data_after.png",
+      content_type: "image/png",
+      path: Path.absname("test/fixtures/image_with_stray_data_after.png"),
+      tempfile: Path.absname("test/fixtures/image_with_stray_data_after.png")
+    }
+
+    assert {:ok, :filtered, %{description: nil}} = Filter.Exiftool.ReadDescription.filter(uploads)
+  end
+
   test "otherwise returns iptc:Caption-Abstract when present" do
     upload = %Pleroma.Upload{
       name: "image_with_caption-abstract.jpg",
diff --git a/test/pleroma/user/import_test.exs b/test/pleroma/user/import_test.exs
index b4efd4bb05..f75305e0e5 100644
--- a/test/pleroma/user/import_test.exs
+++ b/test/pleroma/user/import_test.exs
@@ -3,7 +3,6 @@
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.User.ImportTest do
-  alias Pleroma.Repo
   alias Pleroma.Tests.ObanHelpers
   alias Pleroma.User
 
diff --git a/test/pleroma/user_search_test.exs b/test/pleroma/user_search_test.exs
index 1deab6888b..1af9a1493c 100644
--- a/test/pleroma/user_search_test.exs
+++ b/test/pleroma/user_search_test.exs
@@ -3,7 +3,6 @@
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.UserSearchTest do
-  alias Pleroma.Repo
   alias Pleroma.User
   use Pleroma.DataCase
 
diff --git a/test/pleroma/web/activity_pub/transmogrifier/note_handling_test.exs b/test/pleroma/web/activity_pub/transmogrifier/note_handling_test.exs
index 95e43f5545..8ded67afc8 100644
--- a/test/pleroma/web/activity_pub/transmogrifier/note_handling_test.exs
+++ b/test/pleroma/web/activity_pub/transmogrifier/note_handling_test.exs
@@ -104,6 +104,7 @@ test "it does not fetch reply-to activities beyond max replies depth limit" do
       end
     end
 
+    @tag capture_log: true
     test "it does not crash if the object in inReplyTo can't be fetched" do
       data =
         File.read!("test/fixtures/mastodon-post-activity.json")
@@ -834,6 +835,7 @@ test "the standalone note uses its own ID when context is missing" do
     assert modified.data["context"] == object.data["id"]
   end
 
+  @tag capture_log: true
   test "the reply note uses its parent's ID when context is missing and reply is unreachable" do
     insert(:user, ap_id: "https://mk.absturztau.be/users/8ozbzjs3o8")
 
diff --git a/test/pleroma/web/admin_api/controllers/config_controller_test.exs b/test/pleroma/web/admin_api/controllers/config_controller_test.exs
index 239325d7b4..43fd8e2689 100644
--- a/test/pleroma/web/admin_api/controllers/config_controller_test.exs
+++ b/test/pleroma/web/admin_api/controllers/config_controller_test.exs
@@ -316,6 +316,7 @@ test "create new config setting in db", %{conn: conn} do
       assert Application.get_env(:idna, :key5) == {"string", Pleroma.Captcha.NotReal, []}
     end
 
+    @tag capture_log: true
     test "save configs setting without explicit key", %{conn: conn} do
       adapter = Application.get_env(:http, :adapter)
       send_user_agent = Application.get_env(:http, :send_user_agent)
diff --git a/test/pleroma/web/admin_api/controllers/report_controller_test.exs b/test/pleroma/web/admin_api/controllers/report_controller_test.exs
index 3421156ce7..2980825a8a 100644
--- a/test/pleroma/web/admin_api/controllers/report_controller_test.exs
+++ b/test/pleroma/web/admin_api/controllers/report_controller_test.exs
@@ -398,6 +398,34 @@ test "returns reports with specified assigned user", %{conn: conn, admin: admin}
       assert response["total"] == 1
     end
 
+    test "renders content correctly", %{conn: conn} do
+      [reporter, target_user] = insert_pair(:user)
+      note = insert(:note, user: target_user, data: %{"content" => "mew 1"})
+      note2 = insert(:note, user: target_user, data: %{"content" => "mew 2"})
+      activity = insert(:note_activity, user: target_user, note: note)
+      activity2 = insert(:note_activity, user: target_user, note: note2)
+
+      {:ok, _report} =
+        CommonAPI.report(reporter, %{
+          account_id: target_user.id,
+          comment: "I feel offended",
+          status_ids: [activity.id, activity2.id]
+        })
+
+      CommonAPI.delete(activity.id, target_user)
+      CommonAPI.delete(activity2.id, target_user)
+
+      response =
+        conn
+        |> get(report_path(conn, :index))
+        |> json_response_and_validate_schema(:ok)
+
+      assert [open_report] = response["reports"]
+      assert %{"statuses" => [s1, s2]} = open_report
+      assert "mew 1" in [s1["content"], s2["content"]]
+      assert "mew 2" in [s1["content"], s2["content"]]
+    end
+
     test "returns 403 when requested by a non-admin" do
       user = insert(:user)
       token = insert(:oauth_token, user: user)
diff --git a/test/pleroma/web/common_api_test.exs b/test/pleroma/web/common_api_test.exs
index 5c068c2363..c35346d30d 100644
--- a/test/pleroma/web/common_api_test.exs
+++ b/test/pleroma/web/common_api_test.exs
@@ -519,6 +519,25 @@ test "it de-duplicates tags" do
     assert Object.tags(object) == ["2hu"]
   end
 
+  test "zwnj is treated as word character" do
+    user = insert(:user)
+    {:ok, activity} = CommonAPI.post(user, %{status: "#ساٴين‌س"})
+
+    object = Object.normalize(activity, fetch: false)
+
+    assert Object.tags(object) == ["ساٴين‌س"]
+  end
+
+  test "double dot in link is allowed" do
+    user = insert(:user)
+    text = "https://example.to/something..mp3"
+    {:ok, activity} = CommonAPI.post(user, %{status: text})
+
+    object = Object.normalize(activity, fetch: false)
+
+    assert object.data["content"] == "<a href=\"#{text}\" rel=\"ugc\">#{text}</a>"
+  end
+
   test "it adds emoji in the object" do
     user = insert(:user)
     {:ok, activity} = CommonAPI.post(user, %{status: ":firefox:"})
diff --git a/test/pleroma/web/federator_test.exs b/test/pleroma/web/federator_test.exs
index 41d1c5d5e8..1ffe6aae15 100644
--- a/test/pleroma/web/federator_test.exs
+++ b/test/pleroma/web/federator_test.exs
@@ -133,7 +133,7 @@ test "successfully processes incoming AP docs with correct origin" do
       assert {:ok, _activity} = ObanHelpers.perform(job)
 
       assert {:ok, job} = Federator.incoming_ap_doc(params)
-      assert {:error, :already_present} = ObanHelpers.perform(job)
+      assert {:cancel, :already_present} = ObanHelpers.perform(job)
     end
 
     test "rejects incoming AP docs with incorrect origin" do
diff --git a/test/pleroma/web/feed/user_controller_test.exs b/test/pleroma/web/feed/user_controller_test.exs
index de32d3d4bf..d3c4108de0 100644
--- a/test/pleroma/web/feed/user_controller_test.exs
+++ b/test/pleroma/web/feed/user_controller_test.exs
@@ -57,9 +57,23 @@ defmodule Pleroma.Web.Feed.UserControllerTest do
         )
 
       note_activity2 = insert(:note_activity, note: note2)
+
+      note3 =
+        insert(:note,
+          user: user,
+          data: %{
+            "content" => "This note tests whether HTML entities are truncated properly",
+            "summary" => "Won't, didn't fail",
+            "inReplyTo" => note_activity2.id
+          }
+        )
+
+      _note_activity3 = insert(:note_activity, note: note3)
       object = Object.normalize(note_activity, fetch: false)
 
-      [user: user, object: object, max_id: note_activity2.id]
+      encoded_title = FeedView.activity_title(note3.data)
+
+      [user: user, object: object, max_id: note_activity2.id, encoded_title: encoded_title]
     end
 
     test "gets an atom feed", %{conn: conn, user: user, object: object, max_id: max_id} do
@@ -74,7 +88,7 @@ test "gets an atom feed", %{conn: conn, user: user, object: object, max_id: max_
         |> SweetXml.parse()
         |> SweetXml.xpath(~x"//entry/title/text()"l)
 
-      assert activity_titles == ['2hu', '2hu & as']
+      assert activity_titles == ['Won\'t, didn\'...', '2hu', '2hu & as']
       assert resp =~ FeedView.escape(object.data["content"])
       assert resp =~ FeedView.escape(object.data["summary"])
       assert resp =~ FeedView.escape(object.data["context"])
@@ -105,7 +119,7 @@ test "gets a rss feed", %{conn: conn, user: user, object: object, max_id: max_id
         |> SweetXml.parse()
         |> SweetXml.xpath(~x"//item/title/text()"l)
 
-      assert activity_titles == ['2hu', '2hu & as']
+      assert activity_titles == ['Won\'t, didn\'...', '2hu', '2hu & as']
       assert resp =~ FeedView.escape(object.data["content"])
       assert resp =~ FeedView.escape(object.data["summary"])
       assert resp =~ FeedView.escape(object.data["context"])
@@ -176,6 +190,30 @@ test "does not require authentication on non-federating instances", %{conn: conn
       |> get("/users/#{user.nickname}/feed.rss")
       |> response(200)
     end
+
+    test "does not mangle HTML entities midway", %{
+      conn: conn,
+      user: user,
+      object: object,
+      encoded_title: encoded_title
+    } do
+      resp =
+        conn
+        |> put_req_header("accept", "application/atom+xml")
+        |> get(user_feed_path(conn, :feed, user.nickname))
+        |> response(200)
+
+      activity_titles =
+        resp
+        |> SweetXml.parse()
+        |> SweetXml.xpath(~x"//entry/title/text()"l)
+
+      assert activity_titles == ['Won\'t, didn\'...', '2hu', '2hu & as']
+      assert resp =~ FeedView.escape(object.data["content"])
+      assert resp =~ FeedView.escape(object.data["summary"])
+      assert resp =~ FeedView.escape(object.data["context"])
+      assert resp =~ encoded_title
+    end
   end
 
   # Note: see ActivityPubControllerTest for JSON format tests
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 9e2857a2dd..e92ad46640 100644
--- a/test/pleroma/web/mastodon_api/controllers/account_controller_test.exs
+++ b/test/pleroma/web/mastodon_api/controllers/account_controller_test.exs
@@ -2045,6 +2045,39 @@ test "getting a list of blocks" do
     assert [%{"id" => ^id1}] = result
   end
 
+  test "list of blocks with with_relationships parameter" do
+    %{user: user, conn: conn} = oauth_access(["read:blocks"])
+    %{id: id1} = other_user1 = insert(:user)
+    %{id: id2} = other_user2 = insert(:user)
+    %{id: id3} = other_user3 = insert(:user)
+
+    {:ok, _, _} = User.follow(other_user1, user)
+    {:ok, _, _} = User.follow(other_user2, user)
+    {:ok, _, _} = User.follow(other_user3, user)
+
+    {:ok, _} = User.block(user, other_user1)
+    {:ok, _} = User.block(user, other_user2)
+    {:ok, _} = User.block(user, other_user3)
+
+    assert [
+             %{
+               "id" => ^id3,
+               "pleroma" => %{"relationship" => %{"blocking" => true, "followed_by" => false}}
+             },
+             %{
+               "id" => ^id2,
+               "pleroma" => %{"relationship" => %{"blocking" => true, "followed_by" => false}}
+             },
+             %{
+               "id" => ^id1,
+               "pleroma" => %{"relationship" => %{"blocking" => true, "followed_by" => false}}
+             }
+           ] =
+             conn
+             |> get("/api/v1/blocks?with_relationships=true")
+             |> json_response_and_validate_schema(200)
+  end
+
   test "account lookup", %{conn: conn} do
     %{nickname: acct} = insert(:user, %{nickname: "nickname"})
     %{nickname: acct_two} = insert(:user, %{nickname: "nickname@notlocaldoma.in"})
diff --git a/test/pleroma/web/mastodon_api/controllers/instance_controller_test.exs b/test/pleroma/web/mastodon_api/controllers/instance_controller_test.exs
index 0697820c3d..8568ef604c 100644
--- a/test/pleroma/web/mastodon_api/controllers/instance_controller_test.exs
+++ b/test/pleroma/web/mastodon_api/controllers/instance_controller_test.exs
@@ -181,4 +181,18 @@ test "returns empty array if mrf transparency is disabled", %{conn: conn} do
       assert [] == json_response_and_validate_schema(conn, 200)
     end
   end
+
+  test "instance languages", %{conn: conn} do
+    assert %{"languages" => ["en"]} =
+             conn
+             |> get("/api/v1/instance")
+             |> json_response_and_validate_schema(200)
+
+    clear_config([:instance, :languages], ["aa", "bb"])
+
+    assert %{"languages" => ["aa", "bb"]} =
+             conn
+             |> get("/api/v1/instance")
+             |> json_response_and_validate_schema(200)
+  end
 end
diff --git a/test/pleroma/web/mastodon_api/update_credentials_test.exs b/test/pleroma/web/mastodon_api/update_credentials_test.exs
index c87a5fb2ee..f543c5593f 100644
--- a/test/pleroma/web/mastodon_api/update_credentials_test.exs
+++ b/test/pleroma/web/mastodon_api/update_credentials_test.exs
@@ -382,7 +382,9 @@ test "updates the user's background, upload_limit, returns a HTTP 413", %{
           "pleroma_background_image" => new_background_oversized
         })
 
-      assert user_response = json_response_and_validate_schema(res, 413)
+      assert %{"error" => "File is too large"} == json_response_and_validate_schema(res, 413)
+
+      user = Repo.get(User, user.id)
       assert user.background == %{}
 
       clear_config([:instance, :upload_limit], upload_limit)
diff --git a/test/pleroma/web/metadata/utils_test.exs b/test/pleroma/web/metadata/utils_test.exs
index 85ef6033a7..3daf852fba 100644
--- a/test/pleroma/web/metadata/utils_test.exs
+++ b/test/pleroma/web/metadata/utils_test.exs
@@ -72,7 +72,7 @@ test "it does not return old content after editing" do
     end
   end
 
-  describe "scrub_html_and_truncate/2" do
+  describe "scrub_html_and_truncate/3" do
     test "it returns text without encode HTML" do
       assert Utils.scrub_html_and_truncate("Pleroma's really cool!") == "Pleroma's really cool!"
     end
diff --git a/test/pleroma/web/plugs/authentication_plug_test.exs b/test/pleroma/web/plugs/authentication_plug_test.exs
index 41fdb93bc9..b8acd01c59 100644
--- a/test/pleroma/web/plugs/authentication_plug_test.exs
+++ b/test/pleroma/web/plugs/authentication_plug_test.exs
@@ -70,28 +70,6 @@ test "with a bcrypt hash, it updates to a pkbdf2 hash", %{conn: conn} do
     assert "$pbkdf2" <> _ = user.password_hash
   end
 
-  @tag :skip_on_mac
-  test "with a crypt hash, it updates to a pkbdf2 hash", %{conn: conn} do
-    user =
-      insert(:user,
-        password_hash:
-          "$6$9psBWV8gxkGOZWBz$PmfCycChoxeJ3GgGzwvhlgacb9mUoZ.KUXNCssekER4SJ7bOK53uXrHNb2e4i8yPFgSKyzaW9CcmrDXWIEMtD1"
-      )
-
-    conn =
-      conn
-      |> assign(:auth_user, user)
-      |> assign(:auth_credentials, %{password: "password"})
-      |> AuthenticationPlug.call(%{})
-
-    assert conn.assigns.user.id == conn.assigns.auth_user.id
-    assert conn.assigns.token == nil
-    assert PlugHelper.plug_skipped?(conn, OAuthScopesPlug)
-
-    user = User.get_by_id(user.id)
-    assert "$pbkdf2" <> _ = user.password_hash
-  end
-
   describe "checkpw/2" do
     test "check pbkdf2 hash" do
       hash =
@@ -101,14 +79,6 @@ test "check pbkdf2 hash" do
       refute AuthenticationPlug.checkpw("test-password1", hash)
     end
 
-    @tag :skip_on_mac
-    test "check sha512-crypt hash" do
-      hash =
-        "$6$9psBWV8gxkGOZWBz$PmfCycChoxeJ3GgGzwvhlgacb9mUoZ.KUXNCssekER4SJ7bOK53uXrHNb2e4i8yPFgSKyzaW9CcmrDXWIEMtD1"
-
-      assert AuthenticationPlug.checkpw("password", hash)
-    end
-
     test "check bcrypt hash" do
       hash = "$2a$10$uyhC/R/zoE1ndwwCtMusK.TLVzkQ/Ugsbqp3uXI.CTTz0gBw.24jS"
 
diff --git a/test/pleroma/workers/receiver_worker_test.exs b/test/pleroma/workers/receiver_worker_test.exs
index 283beee4d5..acea0ae000 100644
--- a/test/pleroma/workers/receiver_worker_test.exs
+++ b/test/pleroma/workers/receiver_worker_test.exs
@@ -11,7 +11,7 @@ defmodule Pleroma.Workers.ReceiverWorkerTest do
 
   alias Pleroma.Workers.ReceiverWorker
 
-  test "it ignores MRF reject" do
+  test "it does not retry MRF reject" do
     params = insert(:note).data
 
     with_mock Pleroma.Web.ActivityPub.Transmogrifier,
@@ -22,4 +22,31 @@ test "it ignores MRF reject" do
                })
     end
   end
+
+  test "it does not retry ObjectValidator reject" do
+    params =
+      insert(:note_activity).data
+      |> Map.put("id", Pleroma.Web.ActivityPub.Utils.generate_activity_id())
+      |> Map.put("object", %{
+        "type" => "Note",
+        "id" => Pleroma.Web.ActivityPub.Utils.generate_object_id()
+      })
+
+    with_mock Pleroma.Web.ActivityPub.ObjectValidator, [:passthrough],
+      validate: fn _, _ -> {:error, %Ecto.Changeset{}} end do
+      assert {:cancel, {:error, %Ecto.Changeset{}}} =
+               ReceiverWorker.perform(%Oban.Job{
+                 args: %{"op" => "incoming_ap_doc", "params" => params}
+               })
+    end
+  end
+
+  test "it does not retry duplicates" do
+    params = insert(:note_activity).data
+
+    assert {:cancel, :already_present} =
+             ReceiverWorker.perform(%Oban.Job{
+               args: %{"op" => "incoming_ap_doc", "params" => params}
+             })
+  end
 end
diff --git a/test/test_helper.exs b/test/test_helper.exs
index 60a61484f1..7727cffbc8 100644
--- a/test/test_helper.exs
+++ b/test/test_helper.exs
@@ -2,6 +2,8 @@
 # Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
 # SPDX-License-Identifier: AGPL-3.0-only
 
+Code.put_compiler_option(:warnings_as_errors, true)
+
 os_exclude = if :os.type() == {:unix, :darwin}, do: [skip_on_mac: true], else: []
 ExUnit.start(exclude: [:federated, :erratic] ++ os_exclude)