| ⇢ | A | ConflictingPackageException added |
| ⇢ | A | RequirementsValidator::checkConflict() added | |
| ⇢ | A | ConflictingPackageException::__construct() added | |
| ⇢ | A | ConflictingPackageException::getStatusCode() added | |
| ⇢ | A | RequirementsValidator::getPluginDependencies() added | |
| ⇢ | A | ConflictingPackageException::getErrorCode() added | |
| A | ↛ | RequirementsValidator::getPluginRequirements() removed |