The title says it all, but it’s not something you would expect to hear directly from Microsoft. The company decided to completely jettison Internet Explorer from the upcoming Windows 10 in favor of its new Project Spartan browser. The main complaint about IE was dragging the vestiges of older Internet Explorer versions that were non-compliant, creating unnecessary problems for new versions of IE (10/11).
Recent versions of IE have included various backward-compatibility modes that force the browser to repeat the errors of earlier versions.