Magento 2 ignores XML schema location in the etc/adminhtml/system.xml documents and always uses the Magento/Config/etc/system_file.xsd schema instead

dmitrii_fediuk (Dmitrii Fediuk) November 15, 2015, 5:17am 2

See also \Magento\Framework\Config\Reader\Filesystem::_createConfigMerger() uses the «new» keyword instead of the Object Manager even after the Object Manager has already been initialized, so it breaks a dependency injection possibility