* Mention in docs that only main app events are run (not sub-apps). PR [#1554](https://github.com/tiangolo/fastapi/pull/1554) by [@amacfie](https://github.com/amacfie).
* Fix body validation error response, do not include body variable when it is not embedded. PR [#1553](https://github.com/tiangolo/fastapi/pull/1553) by [@amacfie](https://github.com/amacfie).
* Fix testing OAuth2 security scopes when using dependency overrides. PR [#1549](https://github.com/tiangolo/fastapi/pull/1549) by [@amacfie](https://github.com/amacfie).
* Fix Model for JSON Schema keyword `not` as a JSON Schema instead of a list. PR [#1548](https://github.com/tiangolo/fastapi/pull/1548) by [@v-do](https://github.com/v-do).