### Removed
- **Breaking:** Removed `Pleroma.Workers.Cron.StatsWorker` setting from Oban `:crontab`.
+- **Breaking:** Removed `Pleroma.Workers.Cron.ClearOauthTokenWorker` setting from Oban `:crontab` config.
-## unreleased-patch - ???
+## [2.1.1] - 2020-09-08
-### Added
+### 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.
-- Rich media failure tracking (along with `:failure_backoff` option)
+### Changed
-### Fixed
+- **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.
-- Possible OOM errors with the default HTTP adapter
+### Added
+- Rich media failure tracking (along with `:failure_backoff` option).
+
+### 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
+- 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