Introducing EdgeHTML 13, Our First Platform Update for Microsoft Edge

Tons of great stuff in this release. Notably: the picture element, the srcset (with w descriptors) & sizes attributes, CSS initial and unset keywords, a[download], :read-write & :read-only, :in-range & :out-of-range, more ES2015 goodies, and a ton more. Hooray for evergreen!

Read on Microsoft Edge Dev Blog