| ⇢ | A | SerializerErrorRenderer added |
| ⇢ | B | SerializerErrorRenderer::__construct() added | |
| ⇢ | A | SerializerErrorRenderer::render() added | |
| ⇢ | A | SerializerErrorRenderer::getPreferredFormat() added | |
| ⇢ | A | SerializerErrorRenderer::isDebug() added | |
| B | ↘ | C | FOSRestExtension::loadException() got worse |