| ⇢ | A | ComposerOrchestrator added | |
| ⇢ | A | ComposerConfiguration added | |
| A | ↛ | RetrieveRelativeBasePath removed |
| ⇢ | B | ComposerConfiguration::getVendorDir() added | |
| ⇢ | B | ComposerConfiguration::getDevPackageNames() added | |
| ⇢ | B | ComposerConfiguration::retrieveDevPackages() added | |
| ⇢ | A | ComposerConfiguration::getDevPackagePaths() added | |
| ⇢ | A | ComposerOrchestrator::dumpAutoload() added | |
| ⇢ | A | ComposerOrchestrator::__construct() added | |
| C | ↘ | D | Configuration::processFinder() got worse |
| A | ↘ | B | Json::decode() got worse |
| A | ↘ | B | Configuration::retrieveAllFiles() got worse |
| A | ↛ | RetrieveRelativeBasePath::__invoke() removed | |
| A | ↛ | RetrieveRelativeBasePath::__construct() removed | |
| A | ↛ | RetrieveRelativeBasePath::getBasePath() removed | |
| A | ↛ | Configuration::getBasePathRetriever() removed |