| B | ↗ | A | EngineAsArgumentInKernelControllerTest improved |
| A | ↛ | AppKernel removed |
| B | ↛ | AppKernel::configureContainer() removed | |
| A | ↛ | AppKernel::registerContainerConfiguration() removed | |
| A | ↛ | AppKernel::registerBundles() removed | |
| A | ↛ | AppKernel::configureRoutes() removed |