### Changed
- **Breaking:** Elixir >=1.8 is now required (was >= 1.7)
+- **Breaking:** attachment links (`config :pleroma, :instance, no_attachment_links` and `config :pleroma, Pleroma.Upload, link_name`) disabled by default
- 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
- 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
- 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.
</details>
### Fixed