| D | ↗ | C | ClientAssertionJwt improved |
| F | ↗ | C | AuthorizationRequestLoader improved |
| ⇢ | A | AuthorizationRequest::hasResponseMode() added | |
| ⇢ | A | GrantTypeData::hasClient() added | |
| ⇢ | A | GrantTypeData::hasResourceOwnerId() added | |
| ⇢ | A | AuthorizationCode::__construct() added | |
| ⇢ | A | AuthorizationCode::getId() added | |
| ⇢ | A | AuthorizationRequest::hasUserAccount() added | |
| ⇢ | A | AuthorizationRequest::hasRedirectUri() added | |
| B | ↗ | A | SectorIdentifierUriRule::checkSectorIdentifierUri(... improved |
| A | ↛ | AuthenticationMiddleware::checkResourceServer() removed |