Add /account/whoami to changelog
- ``GET /rooms/{roomId}/joined_members``
(`#999 <https://github.com/matrix-org/matrix-doc/pull/999>`_).
+ - ``GET /account/whoami``
+ (`#1063 <https://github.com/matrix-org/matrix-doc/pull/1063>`_).
+
- Spec clarifications:
- Add endpoints and logic for invites and third-party invites to the federation
