<details>
<summary>API Changes</summary>
- Admin API: (`GET /api/pleroma/admin/users`) filter users by `unconfirmed` status and `actor_type`.
+- Admin API: OpenAPI spec for the user-related operations
- Pleroma API: `GET /api/v2/pleroma/chats` added. It is exactly like `GET /api/v1/pleroma/chats` except supports pagination.
- 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.