| ⇢ | A | InvalidArgumentException added | |
| ⇢ | A | LegacyFormHelper added |
| ⇢ | A | RedirectRouteType::configureOptions() added | |
| ⇢ | A | RouteChoiceType::configureOptions() added | |
| ⇢ | A | LegacyFormHelper::getType() added | |
| ⇢ | A | RouteType::configureOptions() added | |
| ⇢ | A | InvalidArgumentException::create() added | |
| ⇢ | A | RedirectRouteType::getBlockPrefix() added | |
| ⇢ | A | RouteChoiceType::getBlockPrefix() added | |
| ⇢ | A | RouteType::getBlockPrefix() added | |
| ⇢ | A | LegacyFormHelper::isLegacy() added | |
| A | ↛ | RedirectRouteType::setDefaultOptions() removed | |
| A | ↛ | RouteChoiceType::setDefaultOptions() removed | |
| A | ↛ | RouteType::setDefaultOptions() removed |