Bing Webmaster Tools New Design & Features
The redesign is compatible with mobile and desktop. The new features include: backlinks report, search performance report and an updated version of the sitemaps portal.
This has been released to a few users already and will be available to all in a couple of weeks time.
As new features are moved from the current version to the new version they will be removed from the current version, therefore it is important to get your head around how these new features quickly in order to stay ahead.