backstage/.changeset/real-pants-rule.md

@backstage/plugin-auth-backend-module-microsoft-provider, @backstage/plugin-auth-backend, @backstage/plugin-catalog-backend-module-msgraph

@backstage/plugin-auth-backend-module-microsoft-provider	@backstage/plugin-auth-backend	@backstage/plugin-catalog-backend-module-msgraph
patch	patch	patch

Allow users without defined email to be ingested by the msgraph catalog plugin and add userIdMatchingUserEntityAnnotation sign-in resolver for the Microsoft auth provider to support sign-in for users without defined email.