| ⇢ | A | MiddlewareScopes added |
| ⇢ | B | MiddlewareProcessor::getScopeFilteredMiddlewares() added | |
| ⇢ | A | ControllerProcessor::setExceptionCallback() added | |
| ⇢ | A | MiddlewareScopes::__construct() added | |
| ⇢ | A | ControllerProcessor::getScope() added | |
| ⇢ | A | ControllerProcessor::getExceptionCallback() added | |
| ⇢ | A | ControllerProcessor::hasExceptionCallback() added | |
| ⇢ | A | MiddlewareScopes::isWhiteListed() added | |
| ⇢ | A | MiddlewareScopes::isBlackListed() added | |
| ⇢ | A | AbstractMiddleware::getScopes() added | |
| A | ↘ | B | FormController::forwardToReferrer() got worse |
| A | ↛ | MiddlewareProcessor::getFilteredMiddlewares() removed | |
| A | ↛ | MiddlewareProcessor::inSingleFieldValidationContex... removed | |
| A | ↛ | MiddlewareProcessor::activateSingleFieldValidation... removed |