for _, c := range constraint.Conflicts {
			adverb := ""
			if len(c.Path) > 2 {
				adverb = "indirectly "
			}
			firstReason := reason(c.Path[0])
			last := c.Path[len(c.Path)-1]
			if c.Err != nil {
				base.Errorf("go: %v %srequires %v: %v", firstReason, adverb, last, c.UnwrapModuleError())
			} else {
				base.Errorf("go: %v %srequires %v, not %v", firstReason, adverb, last, reason(c.Constraint))
			}
		}

                      - protocol
                      - name
                      type: object
                    tls:
                      description: Set of TLS related options that govern the server's
                        behavior.
                      properties:
                        caCertificates:
                          description: REQUIRED if mode is `MUTUAL` or `OPTIONAL_MUTUAL`.

                      - protocol
                      - name
                      type: object
                    tls:
                      description: Set of TLS related options that govern the server's
                        behavior.
                      properties:
                        caCertificates:
                          description: REQUIRED if mode is `MUTUAL` or `OPTIONAL_MUTUAL`.

* Fix serialization when using `by_alias` or `exclude_unset` and returning data with Pydantic models. PR [#1074](https://github.com/tiangolo/fastapi/pull/1074) by [@juhovh-aiven](https://github.com/juhovh-aiven).
* Add Gitter chat to docs. PR [#1061](https://github.com/tiangolo/fastapi/pull/1061) by [@aakashnand](https://github.com/aakashnand).

Akiomi Kamakura, Alex Vig, Alexander Rosenberg Johansen, Andre Cruz, Arun Ahuja,
Bart Coppens, Bernardo Pires, Carl Vondrick, Cesar Salgado, Chen Yu, Christian
Jauvin, Damien Aymeric, Dan Vanderkam, Denny Britz, Dongjoon Hyun, Eren Güven,
Erik Erwitt, Fabrizio Milo, G. Hussain Chinoy, Jim Fleming, Joao Felipe Santos,
Jonas Meinertz Hansen, Joshi Rekha, Julian Viereck, Keiji Ariyama, Kenton Lee,