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[akkoma] / CHANGELOG.md

# Changelog

All notable changes to this project will be documented in this file.

The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).

## Unreleased

### Changed

- Polls now always return a `voters_count`, even if they are single-choice.
- Admin Emails: The ap id is used as the user link in emails now.
- Search: When using Postgres 11+, Pleroma will use the `websearch_to_tsvector` function to parse search queries.
- Emoji: Support the full Unicode 13.1 set of Emoji for reactions, plus regional indicators.

### Added

- Reports now generate notifications for admins and mods.
- Experimental websocket-based federation between Pleroma instances.
- Support for local-only statuses
- Support pagination of blocks and mutes.
- Account backup.
- Configuration: Add `:instance, autofollowing_nicknames` setting to provide a way to make accounts automatically follow new users that register on the local Pleroma instance.
- Ability to view remote timelines, with ex. `/api/v1/timelines/public?instance=lain.com` and streams `public:remote` and `public:remote:media`.
- The site title is now injected as a `title` tag like preloads or metadata.
- Password reset tokens now are not accepted after a certain age.
- Mix tasks to help with displaying and removing ConfigDB entries. See `mix pleroma.config`
- OAuth form improvements: users are remembered by their cookie, the CSS is overridable by the admin, and the style has been improved.
- OAuth improvements and fixes: more secure session-based authentication (by token that could be revoked anytime), ability to revoke belonging OAuth token from any client etc.

<details>
  <summary>API Changes</summary>
- Admin API: (`GET /api/pleroma/admin/users`) filter users by `unconfirmed` status and `actor_type`.
- Pleroma API: Add `idempotency_key` to the chat message entity that can be used for optimistic message sending.
- Pleroma API: (`GET /api/v1/pleroma/federation_status`) Add a way to get a list of unreachable instances.
- Mastodon API: User and conversation mutes can now auto-expire if `expires_in` parameter was given while adding the mute.
- Admin API: An endpoint to manage frontends
- Streaming API: Add follow relationships updates  
</details>

### Fixed

- Users with `is_discoverable` field set to false (default value) will appear in in-service search results but be hidden from external services (search bots etc.).

<details>
  <summary>API Changes</summary>
  - Mastodon API: Current user is now included in conversation if it's the only participant.
  - Mastodon API: Fixed last_status.account being not filled with account data.
</details>

## Unreleased (Patch)

### Changed

### Fixed

- Config generation: rename `Pleroma.Upload.Filter.ExifTool` to `Pleroma.Upload.Filter.Exiftool`.
- Search: RUM index search speed has been fixed.
- S3 Uploads with Elixir 1.11.
- Emoji Reaction activity filtering from blocked and muted accounts.
- Mix task pleroma.user delete_activities for source installations.
- Fix ability to update Pleroma Chat push notifications with PUT /api/v1/push/subscription and alert type pleroma:chat_mention
- Forwarded reports duplication from Pleroma instances.
- Rich Media Previews sometimes showed the wrong preview due to a bug following redirects.

<details>
  <summary>API</summary>
- Statuses were not displayed for Mastodon forwarded reports.

</details>

## [2.2.0] - 2020-11-12

### Security

- Fixed the possibility of using file uploads to spoof posts.

### Changed

- **Breaking** Requires `libmagic` (or `file`) to guess file types.
- **Breaking:** App metrics endpoint (`/api/pleroma/app_metrics`) is disabled by default, check `docs/API/prometheus.md` on enabling and configuring.
- **Breaking:** Pleroma Admin API: emoji packs and files routes changed.
- **Breaking:** Sensitive/NSFW statuses no longer disable link previews.
- Search: Users are now findable by their urls.
- 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 `is_discoverable` field set to false will not show up in searches ([bug](https://git.pleroma.social/pleroma/pleroma/-/issues/2301)).
- Minimum lifetime for ephmeral activities changed to 10 minutes and made configurable (`:min_lifetime` option).
- Introduced optional dependencies on `ffmpeg`, `ImageMagick`, `exiftool` software packages. Please refer to `docs/installation/optional/media_graphics_packages.md`.
- <details>
  <summary>API Changes</summary>
- API: Empty parameter values for integer parameters are now ignored in non-strict validaton mode.
</details>

### Removed

- **Breaking:** `Pleroma.Workers.Cron.StatsWorker` setting from Oban `:crontab` (moved to a simpler implementation).
- **Breaking:** `Pleroma.Workers.Cron.ClearOauthTokenWorker` setting from Oban `:crontab` (moved to scheduled jobs).
- **Breaking:** `Pleroma.Workers.Cron.PurgeExpiredActivitiesWorker` setting from Oban `:crontab` (moved to scheduled jobs).
- 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.

### Added

- Media preview proxy (requires `ffmpeg` and `ImageMagick` to be installed and media proxy to be enabled; see `:media_preview_proxy` config for more details).
- Mix tasks for controlling user account confirmation status in bulk (`mix pleroma.user confirm_all` and `mix pleroma.user unconfirm_all`)
- Mix task for sending confirmation emails to all unconfirmed users (`mix pleroma.email send_confirmation_mails`)
- Mix task option for force-unfollowing relays
- App metrics: ability to restrict access to specified IP whitelist.

<details>
  <summary>API Changes</summary>

- Admin API: Importing emoji from a zip file
- Pleroma API: Importing the mutes users from CSV files.
- Pleroma API: Pagination for remote/local packs and emoji.

</details>

### Fixed

- Add documented-but-missing chat pagination.
- Allow sending out emails again.
- Allow sending chat messages to yourself
- OStatus / static FE endpoints: fixed inaccessibility for anonymous users on non-federating instances, switched to handling per `:restrict_unauthenticated` setting.
- Fix remote users with a whitespace name.

### Upgrade notes

1. Install libmagic and development headers (`libmagic-dev` on Ubuntu/Debian, `file-dev` on Alpine Linux)
2. Run database migrations (inside Pleroma directory):
  - OTP: `./bin/pleroma_ctl migrate`
  - From Source: `mix ecto.migrate`
3. Restart Pleroma

## [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.
- 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

### Security
- Fix possible DoS in Mastodon API user search due to an error in match clauses, leading to an infinite recursion and subsequent OOM with certain inputs.
- Fix metadata leak for accounts and statuses on private instances.
- Fix possible DoS in Admin API search using an atom leak vulnerability. Authentication with admin rights was required to exploit.

### Changed

- **Breaking:** The metadata providers RelMe and Feed are no longer configurable. RelMe should always be activated and Feed only provides a <link> header tag for the actual RSS/Atom feed when the instance is public.
- Improved error message when cmake is not available at build stage.

### 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
- Mastodon API: Search parameter `following` now correctly returns the followings rather than the followers
- Mastodon API: Timelines hanging for (`number of posts with links * rich media timeout`) in the worst case.
  Reduced to just rich media timeout.
- Mastodon API: Cards being wrong for preview statuses due to cache key collision.
- Password resets no longer processed for deactivated accounts.
- Favicon scraper raising exceptions on URLs longer than 255 characters.

## [2.1.0] - 2020-08-28

### Changed

- **Breaking:** The default descriptions on uploads are now empty. The old behavior (filename as default) can be configured, see the cheat sheet.
- **Breaking:** Added the ObjectAgePolicy to the default set of MRFs. This will delist and strip the follower collection of any message received that is older than 7 days. This will stop users from seeing very old messages in the timelines. The messages can still be viewed on the user's page and in conversations. They also still trigger notifications.
- **Breaking:** Elixir >=1.9 is now required (was >= 1.8)
- **Breaking:** Configuration: `:auto_linker, :opts` moved to `:pleroma, Pleroma.Formatter`. Old config namespace is deprecated.
- **Breaking:** Configuration: `:instance, welcome_user_nickname` moved to `:welcome, :direct_message, :sender_nickname`, `:instance, :welcome_message` moved to `:welcome, :direct_message, :message`. Old config namespace is deprecated.
- **Breaking:** LDAP: Fallback to local database authentication has been removed for security reasons and lack of a mechanism to ensure the passwords are synchronized when LDAP passwords are updated.
- **Breaking** Changed defaults for `:restrict_unauthenticated` so that when `:instance, :public` is set to `false` then all `:restrict_unauthenticated` items be effectively set to `true`. If you'd like to allow unauthenticated access to specific API endpoints on a private instance, please explicitly set `:restrict_unauthenticated` to non-default value in `config/prod.secret.exs`.
- In Conversations, return only direct messages as `last_status`
- Using the `only_media` filter on timelines will now exclude reblog media
- MFR policy to set global expiration for all local Create activities
- OGP rich media parser merged with TwitterCard
- Configuration: `:instance, rewrite_policy` moved to `:mrf, policies`, `:instance, :mrf_transparency` moved to `:mrf, :transparency`, `:instance, :mrf_transparency_exclusions` moved to `:mrf, :transparency_exclusions`. Old config namespace is deprecated.
- Configuration: `:media_proxy, whitelist` format changed to host with scheme (e.g. `http://example.com` instead of `example.com`). Domain format is deprecated.

<details>
  <summary>API Changes</summary>

- **Breaking:** Pleroma API: The routes to update avatar, banner and background have been removed.
- **Breaking:** Image description length is limited now.
- **Breaking:** Emoji API: changed methods and renamed routes.
- **Breaking:** Notification Settings API for suppressing notifications has been simplified down to `block_from_strangers`.
- **Breaking:** Notification Settings API option for hiding push notification contents has been renamed to `hide_notification_contents`.
- MastodonAPI: Allow removal of avatar, banner and background.
- Streaming: Repeats of a user's posts will no longer be pushed to the user's stream.
- Mastodon API: Added `pleroma.metadata.fields_limits` to /api/v1/instance
- Mastodon API: On deletion, returns the original post text.
- Mastodon API: Add `pleroma.unread_count` to the Marker entity.
- Mastodon API: Added `pleroma.metadata.post_formats` to /api/v1/instance
- Mastodon API (legacy): Allow query parameters for `/api/v1/domain_blocks`, e.g. `/api/v1/domain_blocks?domain=badposters.zone`
- Mastodon API: Make notifications about statuses from muted users and threads read automatically
- Pleroma API: `/api/pleroma/captcha` responses now include `seconds_valid` with an integer value.

</details>

<details>
  <summary>Admin API Changes</summary>

- **Breaking** Changed relay `/api/pleroma/admin/relay` endpoints response format.
- Status visibility stats: now can return stats per instance.
- Mix task to refresh counter cache (`mix pleroma.refresh_counter_cache`)

</details>

### Removed

- **Breaking:** removed `with_move` parameter from notifications timeline.

### Added

- Frontends: Add mix task to install frontends.
- Frontends: Add configurable frontends for primary and admin fe.
- Configuration: Added a blacklist for email servers.
- Chats: Added `accepts_chat_messages` field to user, exposed in APIs and federation.
- Chats: Added support for federated chats. For details, see the docs.
- ActivityPub: Added support for existing AP ids for instances migrated from Mastodon.
- Instance: Add `background_image` to configuration and `/api/v1/instance`
- Instance: Extend `/api/v1/instance` with Pleroma-specific information.
- NodeInfo: `pleroma:api/v1/notifications:include_types_filter` to the `features` list.
- NodeInfo: `pleroma_emoji_reactions` to the `features` list.
- Configuration: `:restrict_unauthenticated` setting, restrict access for unauthenticated users to timelines (public and federate), user profiles and statuses.
- Configuration: Add `:database_config_whitelist` setting to whitelist settings which can be configured from AdminFE.
- Configuration: `filename_display_max_length` option to set filename truncate limit, if filename display enabled (0 = no limit).
- New HTTP adapter [gun](https://github.com/ninenines/gun). Gun adapter requires minimum OTP version of 22.2 otherwise Pleroma won’t start. For hackney OTP update is not required.
- Mix task to create trusted OAuth App.
- Mix task to reset MFA for user accounts
- Notifications: Added `follow_request` notification type.
- Added `:reject_deletes` group to SimplePolicy
- MRF (`EmojiStealPolicy`): New MRF Policy which allows to automatically download emojis from remote instances
- Support pagination in emoji packs API (for packs and for files in pack)
- Support for viewing instances favicons next to posts and accounts
- Added Pleroma.Upload.Filter.Exiftool as an alternate EXIF stripping mechanism targeting GPS/location metadata.
- "By approval" registrations mode.
- Configuration: Added `:welcome` settings for the welcome message to newly registered users. You can send a welcome message as a direct message, chat or email.
- Ability to hide favourites and emoji reactions in the API with `[:instance, :show_reactions]` config.

<details>
  <summary>API Changes</summary>

- Mastodon API: Add pleroma.parent_visible field to statuses.
- Mastodon API: Extended `/api/v1/instance`.
- Mastodon API: Support for `include_types` in `/api/v1/notifications`.
- Mastodon API: Added `/api/v1/notifications/:id/dismiss` endpoint.
- Mastodon API: Add support for filtering replies in public and home timelines.
- Mastodon API: Support for `bot` field in `/api/v1/accounts/update_credentials`.
- Mastodon API: Support irreversible property for filters.
- Mastodon API: Add pleroma.favicon field to accounts.
- Admin API: endpoints for create/update/delete OAuth Apps.
- Admin API: endpoint for status view.
- OTP: Add command to reload emoji packs
</details>

### Fixed
- Fix list pagination and other list issues.
- Support pagination in conversations API
- **Breaking**: SimplePolicy `:reject` and `:accept` allow deletions again
- Fix follower/blocks import when nicknames starts with @
- Filtering of push notifications on activities from blocked domains
- Resolving Peertube accounts with Webfinger
- `blob:` urls not being allowed by connect-src CSP
- Mastodon API: fix `GET /api/v1/notifications` not returning the full result set
- Rich Media Previews for Twitter links
- Admin API: fix `GET /api/pleroma/admin/users/:nickname/credentials` returning 404 when getting the credentials of a remote user while `:instance, :limit_to_local_content` is set to `:unauthenticated`
- Fix CSP policy generation to include remote Captcha services
- Fix edge case where MediaProxy truncates media, usually caused when Caddy is serving content for the other Federated instance.
- Emoji Packs could not be listed when instance was set to `public: false`
- Fix whole_word always returning false on filter get requests
- Migrations not working on OTP releases if the database was connected over ssl
- Fix relay following

## [2.0.7] - 2020-06-13

### Security
- Fix potential DoSes exploiting atom leaks in rich media parser and the `UserAllowListPolicy` MRF policy

### Fixed
- CSP: not allowing images/media from every host when mediaproxy is disabled
- CSP: not adding mediaproxy base url to image/media hosts
- StaticFE missing the CSS file

### Upgrade notes

1. Restart Pleroma

## [2.0.6] - 2020-06-09

### Security
- CSP: harden `image-src` and `media-src` when MediaProxy is used

### Fixed
- AP C2S: Fix pagination in inbox/outbox
- Various compilation errors on OTP 23
- Mastodon API streaming: Repeats from muted threads not being filtered

### Changed
- Various database performance improvements

### Upgrade notes
1. Run database migrations (inside Pleroma directory):
  - OTP: `./bin/pleroma_ctl migrate`
  - From Source: `mix ecto.migrate`
2. Restart Pleroma

## [2.0.5] - 2020-05-13

### Security
- Fix possible private status leaks in Mastodon Streaming API

### Fixed
- Crashes when trying to block a user if block federation is disabled
- Not being able to start the instance without `erlang-eldap` installed
- Users with bios over the limit getting rejected
- Follower counters not being updated on incoming follow accepts

### Upgrade notes

1. Restart Pleroma

## [2.0.4] - 2020-05-10

### Security
- AP C2S: Fix a potential DoS by creating nonsensical objects that break timelines

### Fixed
- Peertube user lookups not working
- `InsertSkeletonsForDeletedUsers` migration failing on some instances
- Healthcheck reporting the number of memory currently used, rather than allocated in total
- LDAP not being usable in OTP releases
- Default apache configuration having tls chain issues

### Upgrade notes

#### Apache only

1. Remove the following line from your config:
```
    SSLCertificateFile      /etc/letsencrypt/live/${servername}/cert.pem
```

#### Everyone

1. Restart Pleroma

## [2.0.3] - 2020-05-02

### Security
- Disallow re-registration of previously deleted users, which allowed viewing direct messages addressed to them
- Mastodon API: Fix `POST /api/v1/follow_requests/:id/authorize` allowing to force a follow from a local user even if they didn't request to follow
- CSP: Sandbox uploads

### Fixed
- Notifications from blocked domains
- Potential federation issues with Mastodon versions before 3.0.0
- HTTP Basic Authentication permissions issue
- Follow/Block imports not being able to find the user if the nickname started with an `@`
- Instance stats counting internal users
- Inability to run a From Source release without git
- ObjectAgePolicy didn't filter out old messages
- `blob:` urls not being allowed by CSP

### Added
- NodeInfo: ObjectAgePolicy settings to the `federation` list.
- Follow request notifications
<details>
  <summary>API Changes</summary>
- Admin API: `GET /api/pleroma/admin/need_reboot`.
</details>

### Upgrade notes

1. Restart Pleroma
2. Run database migrations (inside Pleroma directory):
  - OTP: `./bin/pleroma_ctl migrate`
  - From Source: `mix ecto.migrate`
3. Reset status visibility counters (inside Pleroma directory):
  - OTP: `./bin/pleroma_ctl refresh_counter_cache`
  - From Source: `mix pleroma.refresh_counter_cache`


## [2.0.2] - 2020-04-08
### Added
- Support for Funkwhale's `Audio` activity
- Admin API: `PATCH /api/pleroma/admin/users/:nickname/update_credentials`

### Fixed
- Blocked/muted users still generating push notifications
- Input textbox for bio ignoring newlines
- OTP: Inability to use PostgreSQL databases with SSL
- `user delete_activities` breaking when trying to delete already deleted posts
- Incorrect URL for Funkwhale channels

### Upgrade notes
1. Restart Pleroma

## [2.0.1] - 2020-03-15
### Security
- Static-FE: Fix remote posts not being sanitized

### Fixed
=======
- Rate limiter crashes when there is no explicitly specified ip in the config
- 500 errors when no `Accept` header is present if Static-FE is enabled
- Instance panel not being updated immediately due to wrong `Cache-Control` headers
- Statuses posted with BBCode/Markdown having unncessary newlines in Pleroma-FE
- OTP: Fix some settings not being migrated to in-database config properly
- No `Cache-Control` headers on attachment/media proxy requests
- Character limit enforcement being off by 1
- Mastodon Streaming API: hashtag timelines not working

### Changed
- BBCode and Markdown formatters will no longer return any `\n` and only use `<br/>` for newlines
- Mastodon API: Allow registration without email if email verification is not enabled

### Upgrade notes
#### Nginx only
1. Remove `proxy_ignore_headers Cache-Control;` and `proxy_hide_header  Cache-Control;` from your config.

#### Everyone
1. Run database migrations (inside Pleroma directory):
  - OTP: `./bin/pleroma_ctl migrate`
  - From Source: `mix ecto.migrate`
2. Restart Pleroma

## [2.0.0] - 2019-03-08
### Security
- Mastodon API: Fix being able to request enormous amount of statuses in timelines leading to DoS. Now limited to 40 per request.

### Removed
- **Breaking**: Removed 1.0+ deprecated configurations `Pleroma.Upload, :strip_exif` and `:instance, :dedupe_media`
- **Breaking**: OStatus protocol support
- **Breaking**: MDII uploader
- **Breaking**: Using third party engines for user recommendation
<details>
  <summary>API Changes</summary>

- **Breaking**: AdminAPI: migrate_from_db endpoint
</details>

### Changed
- **Breaking:** Pleroma won't start if it detects unapplied migrations
- **Breaking:** Elixir >=1.8 is now required (was >= 1.7)
- **Breaking:** `Pleroma.Plugs.RemoteIp` and `:rate_limiter` enabled by default. Please ensure your reverse proxy forwards the real IP!
- **Breaking:** attachment links (`config :pleroma, :instance, no_attachment_links` and `config :pleroma, Pleroma.Upload, link_name`) disabled by default
- **Breaking:** OAuth: defaulted `[:auth, :enforce_oauth_admin_scope_usage]` setting to `true` which demands `admin` OAuth scope to perform admin actions (in addition to `is_admin` flag on User); make sure to use bundled or newer versions of AdminFE & PleromaFE to access admin / moderator features.
- **Breaking:** Dynamic configuration has been rearchitected. The `:pleroma, :instance, dynamic_configuration` setting has been replaced with `config :pleroma, configurable_from_database`. Please backup your configuration to a file and run the migration task to ensure consistency with the new schema.
- **Breaking:** `:instance, no_attachment_links` has been replaced with `:instance, attachment_links` which still takes a boolean value but doesn't use double negative language.
- Replaced [pleroma_job_queue](https://git.pleroma.social/pleroma/pleroma_job_queue) and `Pleroma.Web.Federator.RetryQueue` with [Oban](https://github.com/sorentwo/oban) (see [`docs/config.md`](docs/config.md) on migrating customized worker / retry settings)
- Introduced [quantum](https://github.com/quantum-elixir/quantum-core) job scheduler
- Enabled `:instance, extended_nickname_format` in the default config
- Add `rel="ugc"` to all links in statuses, to prevent SEO spam
- Extract RSS functionality from OStatus
- MRF (Simple Policy): Also use `:accept`/`:reject` on the actors rather than only their activities
- OStatus: Extract RSS functionality
- Deprecated `User.Info` embedded schema (fields moved to `User`)
- Store status data inside Flag activity
- Deprecated (reorganized as `UserRelationship` entity) User fields with user AP IDs (`blocks`, `mutes`, `muted_reblogs`, `muted_notifications`, `subscribers`).
- Rate limiter is now disabled for localhost/socket (unless remoteip plug is enabled)
- Logger: default log level changed from `warn` to `info`.
- Config mix task `migrate_to_db` truncates `config` table before migrating the config file.
- Allow account registration without an email
- Default to `prepare: :unnamed` in the database configuration.
- Instance stats are now loaded on startup instead of being empty until next hourly job.
<details>
  <summary>API Changes</summary>

- **Breaking** EmojiReactions: Change endpoints and responses to align with Mastodon
- **Breaking** Admin API: `PATCH /api/pleroma/admin/users/:nickname/force_password_reset` is now `PATCH /api/pleroma/admin/users/force_password_reset` (accepts `nicknames` array in the request body)
- **Breaking:** Admin API: Return link alongside with token on password reset
- **Breaking:** Admin API: `PUT /api/pleroma/admin/reports/:id` is now `PATCH /api/pleroma/admin/reports`, see admin_api.md for details
- **Breaking:** `/api/pleroma/admin/users/invite_token` now uses `POST`, changed accepted params and returns full invite in json instead of only token string.
- **Breaking** replying to reports is now "report notes", endpoint changed from `POST /api/pleroma/admin/reports/:id/respond` to `POST /api/pleroma/admin/reports/:id/notes`
- Mastodon API: stopped sanitizing display names, field names and subject fields since they are supposed to be treated as plaintext
- Admin API: Return `total` when querying for reports
- Mastodon API: Return `pleroma.direct_conversation_id` when creating a direct message (`POST /api/v1/statuses`)
- Admin API: Return link alongside with token on password reset
- Admin API: Support authentication via `x-admin-token` HTTP header
- Mastodon API: Add `pleroma.direct_conversation_id` to the status endpoint (`GET /api/v1/statuses/:id`)
- Mastodon API: `pleroma.thread_muted` to the Status entity
- Mastodon API: Mark the direct conversation as read for the author when they send a new direct message
- Mastodon API, streaming: Add `pleroma.direct_conversation_id` to the `conversation` stream event payload.
- Admin API: Render whole status in grouped reports
- Mastodon API: User timelines will now respect blocks, unless you are getting the user timeline of somebody you blocked (which would be empty otherwise).
- Mastodon API: Favoriting / Repeating a post multiple times will now return the identical response every time. Before, executing that action twice would return an error ("already favorited") on the second try.
- Mastodon API: Limit timeline requests to 3 per timeline per 500ms per user/ip by default.
- Admin API: `PATCH /api/pleroma/admin/users/:nickname/credentials` and `GET /api/pleroma/admin/users/:nickname/credentials`
</details>

### Added
- `:chat_limit` option to limit chat characters.
- `cleanup_attachments` option to remove attachments along with statuses. Does not affect duplicate files and attachments without status. Enabling this will increase load to database when deleting statuses on larger instances.
- Refreshing poll results for remote polls
- Authentication: Added rate limit for password-authorized actions / login existence checks
- Static Frontend: Add the ability to render user profiles and notices server-side without requiring JS app.
- Mix task to re-count statuses for all users (`mix pleroma.count_statuses`)
- Mix task to list all users (`mix pleroma.user list`)
- Mix task to send a test email (`mix pleroma.email test`)
- Support for `X-Forwarded-For` and similar HTTP headers which used by reverse proxies to pass a real user IP address to the backend. Must not be enabled unless your instance is behind at least one reverse proxy (such as Nginx, Apache HTTPD or Varnish Cache).
- MRF: New module which handles incoming posts based on their age. By default, all incoming posts that are older than 2 days will be unlisted and not shown to their followers.
- User notification settings: Add `privacy_option` option.
- Support for custom Elixir modules (such as MRF policies)
- User settings: Add _This account is a_ option.
- A new users admin digest email
- OAuth: admin scopes support (relevant setting: `[:auth, :enforce_oauth_admin_scope_usage]`).
- Add an option `authorized_fetch_mode` to require HTTP signatures for AP fetches.
- ActivityPub: support for `replies` collection (output for outgoing federation & fetching on incoming federation).
- Mix task to refresh counter cache (`mix pleroma.refresh_counter_cache`)
<details>
  <summary>API Changes</summary>

- Job queue stats to the healthcheck page
- Admin API: Add ability to fetch reports, grouped by status `GET /api/pleroma/admin/grouped_reports`
- Admin API: Add ability to require password reset
- Mastodon API: Account entities now include `follow_requests_count` (planned Mastodon 3.x addition)
- Pleroma API: `GET /api/v1/pleroma/accounts/:id/scrobbles` to get a list of recently scrobbled items
- Pleroma API: `POST /api/v1/pleroma/scrobble` to scrobble a media item
- Mastodon API: Add `upload_limit`, `avatar_upload_limit`, `background_upload_limit`, and `banner_upload_limit` to `/api/v1/instance`
- Mastodon API: Add `pleroma.unread_conversation_count` to the Account entity
- OAuth: support for hierarchical permissions / [Mastodon 2.4.3 OAuth permissions](https://docs.joinmastodon.org/api/permissions/)
- Metadata Link: Atom syndication Feed
- Mix task to re-count statuses for all users (`mix pleroma.count_statuses`)
- Mastodon API: Add `exclude_visibilities` parameter to the timeline and notification endpoints
- Admin API: `/users/:nickname/toggle_activation` endpoint is now deprecated in favor of: `/users/activate`, `/users/deactivate`, both accept `nicknames` array
- Admin API: Multiple endpoints now require `nicknames` array, instead of singe `nickname`:
  - `POST/DELETE /api/pleroma/admin/users/:nickname/permission_group/:permission_group` are deprecated in favor of: `POST/DELETE /api/pleroma/admin/users/permission_group/:permission_group`
  - `DELETE /api/pleroma/admin/users` (`nickname` query param or `nickname` sent in JSON body) is deprecated in favor of: `DELETE /api/pleroma/admin/users` (`nicknames` query array param or `nicknames` sent in JSON body)
- Admin API: Add `GET /api/pleroma/admin/relay` endpoint - lists all followed relays
- Pleroma API: `POST /api/v1/pleroma/conversations/read` to mark all conversations as read
- ActivityPub: Support `Move` activities
- Mastodon API: Add `/api/v1/markers` for managing timeline read markers
- Mastodon API: Add the `recipients` parameter to `GET /api/v1/conversations`
- Configuration: `feed` option for user atom feed.
- Pleroma API: Add Emoji reactions
- Admin API: Add `/api/pleroma/admin/instances/:instance/statuses` - lists all statuses from a given instance
- Admin API: Add `/api/pleroma/admin/users/:nickname/statuses` - lists all statuses from a given user
- Admin API: `PATCH /api/pleroma/users/confirm_email` to confirm email for multiple users, `PATCH /api/pleroma/users/resend_confirmation_email` to resend confirmation email for multiple users
- ActivityPub: Configurable `type` field of the actors.
- Mastodon API: `/api/v1/accounts/:id` has `source/pleroma/actor_type` field.
- Mastodon API: `/api/v1/update_credentials` accepts `actor_type` field.
- Captcha: Support native provider
- Captcha: Enable by default
- Mastodon API: Add support for `account_id` param to filter notifications by the account
- Mastodon API: Add `emoji_reactions` property to Statuses
- Mastodon API: Change emoji reaction reply format
- Notifications: Added `pleroma:emoji_reaction` notification type
- Mastodon API: Change emoji reaction reply format once more
- Configuration: `feed.logo` option for tag feed.
- Tag feed: `/tags/:tag.rss` - list public statuses by hashtag.
- Mastodon API: Add `reacted` property to `emoji_reactions`
- Pleroma API: Add reactions for a single emoji.
- ActivityPub: `[:activitypub, :note_replies_output_limit]` setting sets the number of note self-replies to output on outgoing federation.
- Admin API: `GET /api/pleroma/admin/stats` to get status count by visibility scope
- Admin API: `GET /api/pleroma/admin/statuses` - list all statuses (accepts `godmode` and `local_only`)
</details>

### Fixed
- Report emails now include functional links to profiles of remote user accounts
- Not being able to log in to some third-party apps when logged in to MastoFE
- MRF: `Delete` activities being exempt from MRF policies
- OTP releases: Not being able to configure OAuth expired token cleanup interval
- OTP releases: Not being able to configure HTML sanitization policy
- OTP releases: Not being able to change upload limit (again)
- Favorites timeline now ordered by favorite date instead of post date
- Support for cancellation of a follow request
<details>
  <summary>API Changes</summary>

- Mastodon API: Fix private and direct statuses not being filtered out from the public timeline for an authenticated user (`GET /api/v1/timelines/public`)
- Mastodon API: Inability to get some local users by nickname in `/api/v1/accounts/:id_or_nickname`
- AdminAPI: If some status received reports both in the "new" format and "old" format it was considered reports on two different statuses (in the context of grouped reports)
- Admin API: Error when trying to update reports in the "old" format
- Mastodon API: Marking a conversation as read (`POST /api/v1/conversations/:id/read`) now no longer brings it to the top in the user's direct conversation list
</details>

## [1.1.9] - 2020-02-10
### Fixed
- OTP: Inability to set the upload limit (again)
- Not being able to pin polls
- Streaming API: incorrect handling of reblog mutes
- Rejecting the user when field length limit is exceeded
- OpenGraph provider: html entities in descriptions

## [1.1.8] - 2020-01-10
### Fixed
- Captcha generation issues
- Returned Kocaptcha endpoint to configuration
- Captcha validity is now 5 minutes

## [1.1.7] - 2019-12-13
### Fixed
- OTP: Inability to set the upload limit
- OTP: Inability to override node name/distribution type to run 2 Pleroma instances on the same machine

### Added
- Integrated captcha provider

### Changed
- Captcha enabled by default
- Default Captcha provider changed from `Pleroma.Captcha.Kocaptcha` to `Pleroma.Captcha.Native`
- Better `Cache-Control` header for static content

### Bundled Pleroma-FE Changes
#### Added
- Icons in the navigation panel

#### Fixed
- Improved support unauthenticated view of private instances

#### Removed
- Whitespace hack on empty post content

## [1.1.6] - 2019-11-19
### Fixed
- Not being able to log into to third party apps when the browser is logged into mastofe
- Email confirmation not being required even when enabled
- Mastodon API: conversations API crashing when one status is malformed

### Bundled Pleroma-FE Changes
#### Added
- About page
- Meme arrows

#### Fixed
- Image modal not closing unless clicked outside of image
- Attachment upload spinner not being centered
- Showing follow counters being 0 when they are actually hidden

## [1.1.5] - 2019-11-09
### Fixed
- Polls having different numbers in timelines/notifications/poll api endpoints due to cache desyncronization
- Pleroma API: OAuth token endpoint not being found when ".json" suffix is appended

### Changed
- Frontend bundle updated to [044c9ad0](https://git.pleroma.social/pleroma/pleroma-fe/commit/044c9ad0562af059dd961d50961a3880fca9c642)

## [1.1.4] - 2019-11-01
### Fixed
- Added a migration that fills up empty user.info fields to prevent breakage after previous unsafe migrations.
- Failure to migrate from pre-1.0.0 versions
- Mastodon API: Notification stream not including follow notifications

## [1.1.3] - 2019-10-25
### Fixed
- Blocked users showing up in notifications collapsed as if they were muted
- `pleroma_ctl` not working on Debian's default shell

## [1.1.2] - 2019-10-18
### Fixed
- `pleroma_ctl` trying to connect to a running instance when generating the config, which of course doesn't exist.

## [1.1.1] - 2019-10-18
### Fixed
- One of the migrations between 1.0.0 and 1.1.0 wiping user info of the relay user because of unexpected behavior of postgresql's `jsonb_set`, resulting in inability to post in the default configuration. If you were affected, please run the following query in postgres console, the relay user will be recreated automatically:
```
delete from users where ap_id = 'https://your.instance.hostname/relay';
```
- Bad user search matches

## [1.1.0] - 2019-10-14
**Breaking:** The stable branch has been changed from `master` to `stable`. If you want to keep using 1.0, the `release/1.0` branch will receive security updates for 6 months after 1.1 release.

**OTP Note:** `pleroma_ctl` in 1.0 defaults to `master` and doesn't support specifying arbitrary branches, making `./pleroma_ctl update` fail. To fix this, fetch a version of `pleroma_ctl` from 1.1 using the command below and proceed with the update normally:
```
curl -Lo ./bin/pleroma_ctl 'https://git.pleroma.social/pleroma/pleroma/raw/develop/rel/files/bin/pleroma_ctl'
```
### Security
- Mastodon API: respect post privacy in `/api/v1/statuses/:id/{favourited,reblogged}_by`

### Removed
- **Breaking:** GNU Social API with Qvitter extensions support
- Emoji: Remove longfox emojis.
- Remove `Reply-To` header from report emails for admins.
- ActivityPub: The `/objects/:uuid/likes` endpoint.

### Changed
- **Breaking:** Configuration: A setting to explicitly disable the mailer was added, defaulting to true, if you are using a mailer add `config :pleroma, Pleroma.Emails.Mailer, enabled: true` to your config
- **Breaking:** Configuration: `/media/` is now removed when `base_url` is configured, append `/media/` to your `base_url` config to keep the old behaviour if desired
- **Breaking:** `/api/pleroma/notifications/read` is moved to `/api/v1/pleroma/notifications/read` and now supports `max_id` and responds with Mastodon API entities.
- Configuration: added `config/description.exs`, from which `docs/config.md` is generated
- Configuration: OpenGraph and TwitterCard providers enabled by default
- Configuration: Filter.AnonymizeFilename added ability to retain file extension with custom text
- Federation: Return 403 errors when trying to request pages from a user's follower/following collections if they have `hide_followers`/`hide_follows` set
- NodeInfo: Return `skipThreadContainment` in `metadata` for the `skip_thread_containment` option
- NodeInfo: Return `mailerEnabled` in `metadata`
- Mastodon API: Unsubscribe followers when they unfollow a user
- Mastodon API: `pleroma.thread_muted` key in the Status entity
- AdminAPI: Add "godmode" while fetching user statuses (i.e. admin can see private statuses)
- Improve digest email template
– Pagination: (optional) return `total` alongside with `items` when paginating
- The `Pleroma.FlakeId` module has been replaced with the `flake_id` library.

### Fixed
- Following from Osada
- Favorites timeline doing database-intensive queries
- Metadata rendering errors resulting in the entire page being inaccessible
- `federation_incoming_replies_max_depth` option being ignored in certain cases
- Mastodon API: Handling of search timeouts (`/api/v1/search` and `/api/v2/search`)
- Mastodon API: Misskey's endless polls being unable to render
- Mastodon API: Embedded relationships not being properly rendered in the Account entity of Status entity
- Mastodon API: Notifications endpoint crashing if one notification failed to render
- Mastodon API: `exclude_replies` is correctly handled again.
- Mastodon API: Add `account_id`, `type`, `offset`, and `limit` to search API (`/api/v1/search` and `/api/v2/search`)
- Mastodon API, streaming: Fix filtering of notifications based on blocks/mutes/thread mutes
- Mastodon API: Fix private and direct statuses not being filtered out from the public timeline for an authenticated user (`GET /api/v1/timelines/public`)
- Mastodon API: Ensure the `account` field is not empty when rendering Notification entities.
- Mastodon API: Inability to get some local users by nickname in `/api/v1/accounts/:id_or_nickname`
- Mastodon API: Blocks are now treated consistently between the Streaming API and the Timeline APIs
- Rich Media: Parser failing when no TTL can be found by image TTL setters
- Rich Media: The crawled URL is now spliced into the rich media data.
- ActivityPub S2S: sharedInbox usage has been mostly aligned with the rules in the AP specification.
- ActivityPub C2S: follower/following collection pages being inaccessible even when authentifucated if `hide_followers`/ `hide_follows` was set
- ActivityPub: Deactivated user deletion
- ActivityPub: Fix `/users/:nickname/inbox` crashing without an authenticated user
- MRF: fix ability to follow a relay when AntiFollowbotPolicy was enabled
- ActivityPub: Correct addressing of Undo.
- ActivityPub: Correct addressing of profile update activities.
- ActivityPub: Polls are now refreshed when necessary.
- Report emails now include functional links to profiles of remote user accounts
- Existing user id not being preserved on insert conflict
- Pleroma.Upload base_url was not automatically whitelisted by MediaProxy. Now your custom CDN or file hosting will be accessed directly as expected.
- Report email not being sent to admins when the reporter is a remote user
- Reverse Proxy limiting `max_body_length` was incorrectly defined and only checked `Content-Length` headers which may not be sufficient in some circumstances

### Added
- Expiring/ephemeral activites. All activities can have expires_at value set, which controls when they should be deleted automatically.
- Mastodon API: in post_status, the expires_in parameter lets you set the number of seconds until an activity expires. It must be at least one hour.
- Mastodon API: all status JSON responses contain a `pleroma.expires_at` item which states when an activity will expire. The value is only shown to the user who created the activity. To everyone else it's empty.
- Configuration: `ActivityExpiration.enabled` controls whether expired activites will get deleted at the appropriate time. Enabled by default.
- Conversations: Add Pleroma-specific conversation endpoints and status posting extensions. Run the `bump_all_conversations` task again to create the necessary data.
- MRF: Support for priming the mediaproxy cache (`Pleroma.Web.ActivityPub.MRF.MediaProxyWarmingPolicy`)
- MRF: Support for excluding specific domains from Transparency.
- MRF: Support for filtering posts based on who they mention (`Pleroma.Web.ActivityPub.MRF.MentionPolicy`)
- Mastodon API: Support for the [`tagged` filter](https://github.com/tootsuite/mastodon/pull/9755) in [`GET /api/v1/accounts/:id/statuses`](https://docs.joinmastodon.org/api/rest/accounts/#get-api-v1-accounts-id-statuses)
- Mastodon API, streaming: Add support for passing the token in the `Sec-WebSocket-Protocol` header
- Mastodon API, extension: Ability to reset avatar, profile banner, and background
- Mastodon API: Add support for `fields_attributes` API parameter (setting custom fields)
- Mastodon API: Add support for categories for custom emojis by reusing the group feature. <https://github.com/tootsuite/mastodon/pull/11196>
- Mastodon API: Add support for muting/unmuting notifications
- Mastodon API: Add support for the `blocked_by` attribute in the relationship API (`GET /api/v1/accounts/relationships`). <https://github.com/tootsuite/mastodon/pull/10373>
- Mastodon API: Add support for the `domain_blocking` attribute in the relationship API (`GET /api/v1/accounts/relationships`).
- Mastodon API: Add `pleroma.deactivated` to the Account entity
- Mastodon API: added `/auth/password` endpoint for password reset with rate limit.
- Mastodon API: /api/v1/accounts/:id/statuses now supports nicknames or user id
- Mastodon API: Improve support for the user profile custom fields
- Mastodon API: Add support for `fields_attributes` API parameter (setting custom fields)
- Mastodon API: Added an endpoint to get multiple statuses by IDs (`GET /api/v1/statuses/?ids[]=1&ids[]=2`)
- Admin API: Return users' tags when querying reports
- Admin API: Return avatar and display name when querying users
- Admin API: Allow querying user by ID
- Admin API: Added support for `tuples`.
- Admin API: Added endpoints to run mix tasks pleroma.config migrate_to_db & pleroma.config migrate_from_db
- Added synchronization of following/followers counters for external users
- Configuration: `enabled` option for `Pleroma.Emails.Mailer`, defaulting to `false`.
- Configuration: Pleroma.Plugs.RateLimiter `bucket_name`, `params` options.
- Configuration: `user_bio_length` and `user_name_length` options.
- Addressable lists
- Twitter API: added rate limit for `/api/account/password_reset` endpoint.
- ActivityPub: Add an internal service actor for fetching ActivityPub objects.
- ActivityPub: Optional signing of ActivityPub object fetches.
- Admin API: Endpoint for fetching latest user's statuses
- Pleroma API: Add `/api/v1/pleroma/accounts/confirmation_resend?email=<email>` for resending account confirmation.
- Pleroma API: Email change endpoint.
- Admin API: Added moderation log
- Web response cache (currently, enabled for ActivityPub)
- Reverse Proxy: Do not retry failed requests to limit pressure on the peer

### Changed
- Configuration: Filter.AnonymizeFilename added ability to retain file extension with custom text
- Admin API: changed json structure for saving config settings.
- RichMedia: parsers and their order are configured in `rich_media` config.
- RichMedia: add the rich media ttl based on image expiration time.

## [1.0.7] - 2019-09-26
### Fixed
- Broken federation on Erlang 22 (previous versions of hackney http client were using an option that got deprecated)
### Changed
- ActivityPub: The first page in inboxes/outboxes is no longer embedded.

## [1.0.6] - 2019-08-14
### Fixed
- MRF: fix use of unserializable keyword lists in describe() implementations
- ActivityPub S2S: POST requests are now signed with `(request-target)` pseudo-header.

## [1.0.5] - 2019-08-13
### Fixed
- Mastodon API: follower/following counters not being nullified, when `hide_follows`/`hide_followers` is set
- Mastodon API: `muted` in the Status entity, using author's account to determine if the thread was muted
- Mastodon API: return the actual profile URL in the Account entity's `url` property when appropriate
- Templates: properly style anchor tags
- Objects being re-embedded to activities after being updated (e.g faved/reposted). Running 'mix pleroma.database prune_objects' again is advised.
- Not being able to access the Mastodon FE login page on private instances
- MRF: ensure that subdomain_match calls are case-insensitive
- Fix internal server error when using the healthcheck API.

### Added
- **Breaking:** MRF describe API, which adds support for exposing configuration information about MRF policies to NodeInfo.
  Custom modules will need to be updated by adding, at the very least, `def describe, do: {:ok, %{}}` to the MRF policy modules.
- Relays: Added a task to list relay subscriptions.
- MRF: Support for filtering posts based on ActivityStreams vocabulary (`Pleroma.Web.ActivityPub.MRF.VocabularyPolicy`)
- MRF (Simple Policy): Support for wildcard domains.
- Support for wildcard domains in user domain blocks setting.
- Configuration: `quarantined_instances` support wildcard domains.
- Mix Tasks: `mix pleroma.database fix_likes_collections`
- Configuration: `federation_incoming_replies_max_depth` option

### Removed
- Federation: Remove `likes` from objects.
- **Breaking:** ActivityPub: The `accept_blocks` configuration setting.

## [1.0.4] - 2019-08-01
### Fixed
- Invalid SemVer version generation, when the current branch does not have commits ahead of tag/checked out on a tag

## [1.0.3] - 2019-07-31
### Security
- OStatus: eliminate the possibility of a protocol downgrade attack.
- OStatus: prevent following locked accounts, bypassing the approval process.
- TwitterAPI: use CommonAPI to handle remote follows instead of OStatus.

## [1.0.2] - 2019-07-28
### Fixed
- Not being able to pin unlisted posts
- Mastodon API: represent poll IDs as strings
- MediaProxy: fix matching filenames
- MediaProxy: fix filename encoding
- Migrations: fix a sporadic migration failure
- Metadata rendering errors resulting in the entire page being inaccessible
- Federation/MediaProxy not working with instances that have wrong certificate order
- ActivityPub S2S: remote user deletions now work the same as local user deletions.

### Changed
- Configuration: OpenGraph and TwitterCard providers enabled by default
- Configuration: Filter.AnonymizeFilename added ability to retain file extension with custom text

## [1.0.1] - 2019-07-14
### Security
- OStatus: fix an object spoofing vulnerability.

## [1.0.0] - 2019-06-29
### Security
- Mastodon API: Fix display names not being sanitized
- Rich media: Do not crawl private IP ranges

### Added
- Digest email for inactive users
- Add a generic settings store for frontends / clients to use.
- Explicit addressing option for posting.
- Optional SSH access mode. (Needs `erlang-ssh` package on some distributions).
- [MongooseIM](https://github.com/esl/MongooseIM) http authentication support.
- LDAP authentication
- External OAuth provider authentication
- Support for building a release using [`mix release`](https://hexdocs.pm/mix/master/Mix.Tasks.Release.html)
- A [job queue](https://git.pleroma.social/pleroma/pleroma_job_queue) for federation, emails, web push, etc.
- [Prometheus](https://prometheus.io/) metrics
- Support for Mastodon's remote interaction
- Mix Tasks: `mix pleroma.database bump_all_conversations`
- Mix Tasks: `mix pleroma.database remove_embedded_objects`
- Mix Tasks: `mix pleroma.database update_users_following_followers_counts`
- Mix Tasks: `mix pleroma.user toggle_confirmed`
- Mix Tasks: `mix pleroma.config migrate_to_db`
- Mix Tasks: `mix pleroma.config migrate_from_db`
- Federation: Support for `Question` and `Answer` objects
- Federation: Support for reports
- Configuration: `poll_limits` option
- Configuration: `pack_extensions` option
- Configuration: `safe_dm_mentions` option
- Configuration: `link_name` option
- Configuration: `fetch_initial_posts` option
- Configuration: `notify_email` option
- Configuration: Media proxy `whitelist` option
- Configuration: `report_uri` option
- Configuration: `email_notifications` option
- Configuration: `limit_to_local_content` option
- Pleroma API: User subscriptions
- Pleroma API: Healthcheck endpoint
- Pleroma API: `/api/v1/pleroma/mascot` per-user frontend mascot configuration endpoints
- Admin API: Endpoints for listing/revoking invite tokens
- Admin API: Endpoints for making users follow/unfollow each other
- Admin API: added filters (role, tags, email, name) for users endpoint
- Admin API: Endpoints for managing reports
- Admin API: Endpoints for deleting and changing the scope of individual reported statuses
- Admin API: Endpoints to view and change config settings.
- AdminFE: initial release with basic user management accessible at /pleroma/admin/
- Mastodon API: Add chat token to `verify_credentials` response
- Mastodon API: Add background image setting to `update_credentials`
- Mastodon API: [Scheduled statuses](https://docs.joinmastodon.org/api/rest/scheduled-statuses/)
- Mastodon API: `/api/v1/notifications/destroy_multiple` (glitch-soc extension)
- Mastodon API: `/api/v1/pleroma/accounts/:id/favourites` (API extension)
- Mastodon API: [Reports](https://docs.joinmastodon.org/api/rest/reports/)
- Mastodon API: `POST /api/v1/accounts` (account creation API)
- Mastodon API: [Polls](https://docs.joinmastodon.org/api/rest/polls/)
- ActivityPub C2S: OAuth endpoints
- Metadata: RelMe provider
- OAuth: added support for refresh tokens
- Emoji packs and emoji pack manager
- Object pruning (`mix pleroma.database prune_objects`)
- OAuth: added job to clean expired access tokens
- MRF: Support for rejecting reports from specific instances (`mrf_simple`)
- MRF: Support for stripping avatars and banner images from specific instances (`mrf_simple`)
- MRF: Support for running subchains.
- Configuration: `skip_thread_containment` option
- Configuration: `rate_limit` option. See `Pleroma.Plugs.RateLimiter` documentation for details.
- MRF: Support for filtering out likely spam messages by rejecting posts from new users that contain links.
- Configuration: `ignore_hosts` option
- Configuration: `ignore_tld` option
- Configuration: default syslog tag "Pleroma" is now lowercased to "pleroma"

### Changed
- **Breaking:** bind to 127.0.0.1 instead of 0.0.0.0 by default
- **Breaking:** Configuration: move from Pleroma.Mailer to Pleroma.Emails.Mailer
- Thread containment / test for complete visibility will be skipped by default.
- Enforcement of OAuth scopes
- Add multiple use/time expiring invite token
- Restyled OAuth pages to fit with Pleroma's default theme
- Link/mention/hashtag detection is now handled by [auto_linker](https://git.pleroma.social/pleroma/auto_linker)
- NodeInfo: Return `safe_dm_mentions` feature flag
- Federation: Expand the audience of delete activities to all recipients of the deleted object
- Federation: Removed `inReplyToStatusId` from objects
- Configuration: Dedupe enabled by default
- Configuration: Default log level in `prod` environment is now set to `warn`
- Configuration: Added `extra_cookie_attrs` for setting non-standard cookie attributes. Defaults to ["SameSite=Lax"] so that remote follows work.
- Timelines: Messages involving people you have blocked will be excluded from the timeline in all cases instead of just repeats.
- Admin API: Move the user related API to `api/pleroma/admin/users`
- Admin API: `POST /api/pleroma/admin/users` will take list of users
- Pleroma API: Support for emoji tags in `/api/pleroma/emoji` resulting in a breaking API change
- Mastodon API: Support for `exclude_types`, `limit` and `min_id` in `/api/v1/notifications`
- Mastodon API: Add `languages` and `registrations` to `/api/v1/instance`
- Mastodon API: Provide plaintext versions of cw/content in the Status entity
- Mastodon API: Add `pleroma.conversation_id`, `pleroma.in_reply_to_account_acct` fields to the Status entity
- Mastodon API: Add `pleroma.tags`, `pleroma.relationship{}`, `pleroma.is_moderator`, `pleroma.is_admin`, `pleroma.confirmation_pending`, `pleroma.hide_followers`, `pleroma.hide_follows`, `pleroma.hide_favorites` fields to the User entity
- Mastodon API: Add `pleroma.show_role`, `pleroma.no_rich_text` fields to the Source subentity
- Mastodon API: Add support for updating `no_rich_text`, `hide_followers`, `hide_follows`, `hide_favorites`, `show_role` in `PATCH /api/v1/update_credentials`
- Mastodon API: Add `pleroma.is_seen` to the Notification entity
- Mastodon API: Add `pleroma.local` to the Status entity
- Mastodon API: Add `preview` parameter to `POST /api/v1/statuses`
- Mastodon API: Add `with_muted` parameter to timeline endpoints
- Mastodon API: Actual reblog hiding instead of a dummy
- Mastodon API: Remove attachment limit in the Status entity
- Mastodon API: Added support max_id & since_id for bookmark timeline endpoints.
- Deps: Updated Cowboy to 2.6
- Deps: Updated Ecto to 3.0.7
- Don't ship finmoji by default, they can be installed as an emoji pack
- Hide deactivated users and their statuses
- Posts which are marked sensitive or tagged nsfw no longer have link previews.
- HTTP connection timeout is now set to 10 seconds.
- Respond with a 404 Not implemented JSON error message when requested API is not implemented
- Rich Media: crawl only https URLs.

### Fixed
- Follow requests don't get 'stuck' anymore.
- Added an FTS index on objects. Running `vacuum analyze` and setting a larger `work_mem` is recommended.
- Followers counter not being updated when a follower is blocked
- Deactivated users being able to request an access token
- Limit on request body in rich media/relme parsers being ignored resulting in a possible memory leak
- Proper Twitter Card generation instead of a dummy
- Deletions failing for users with a large number of posts
- NodeInfo: Include admins in `staffAccounts`
- ActivityPub: Crashing when requesting empty local user's outbox
- Federation: Handling of objects without `summary` property
- Federation: Add a language tag to activities as required by ActivityStreams 2.0
- Federation: Do not federate avatar/banner if set to default allowing other servers/clients to use their defaults
- Federation: Cope with missing or explicitly nulled address lists
- Federation: Explicitly ensure activities addressed to `as:Public` become addressed to the followers collection
- Federation: Better cope with actors which do not declare a followers collection and use `as:Public` with these semantics
- Federation: Follow requests from remote users who have been blocked will be automatically rejected if appropriate
- MediaProxy: Parse name from content disposition headers even for non-whitelisted types
- MediaProxy: S3 link encoding
- Rich Media: Reject any data which cannot be explicitly encoded into JSON
- Pleroma API: Importing follows from Mastodon 2.8+
- Twitter API: Exposing default scope, `no_rich_text` of the user to anyone
- Twitter API: Returning the `role` object in user entity despite `show_role = false`
- Mastodon API: `/api/v1/favourites` serving only public activities
- Mastodon API: Reblogs having `in_reply_to_id` - `null` even when they are replies
- Mastodon API: Streaming API broadcasting wrong activity id
- Mastodon API: 500 errors when requesting a card for a private conversation
- Mastodon API: Handling of `reblogs` in `/api/v1/accounts/:id/follow`
- Mastodon API: Correct `reblogged`, `favourited`, and `bookmarked` values in the reblog status JSON
- Mastodon API: Exposing default scope of the user to anyone
- Mastodon API: Make `irreversible` field default to `false` [`POST /api/v1/filters`]
- Mastodon API: Replace missing non-nullable Card attributes with empty strings
- User-Agent is now sent correctly for all HTTP requests.
- MRF: Simple policy now properly delists imported or relayed statuses

## Removed
- Configuration: `config :pleroma, :fe` in favor of the more flexible `config :pleroma, :frontend_configurations`

## [0.9.99999] - 2019-05-31
### Security
- Mastodon API: Fix lists leaking private posts

## [0.9.9999] - 2019-04-05
### Security
- Mastodon API: Fix content warnings skipping HTML sanitization

## [0.9.999] - 2019-03-13
Frontend changes only.
### Added
- Added floating action button for posting status on mobile
### Changed
- Changed user-settings icon to a pencil
### Fixed
- Keyboard shortcuts activating when typing a message
- Gaps when scrolling down on a timeline after showing new

## [0.9.99] - 2019-03-08
### Changed
- Update the frontend to the 0.9.99 tag
### Fixed
- Sign the date header in federation to fix Mastodon federation.

## [0.9.9] - 2019-02-22
This is our first stable release.