This text is missing some spaces, please add them: SpartanwillusethenewrenderingengineEdgeHTMLbydefaultbutwillhaveaccesstothelegacyrenderingengineusedinInternetExplorer11andearlieraswellbutinalimitedfashion.
Spartan will use the new rendering engine EdgeHTML by default but will have access to the legacy rendering engine used in Internet Explorer 11 and earlier as well but in a limited fashion.