Full spec support for "accept" in Input Type=File
Provide full support of the accept attribute in a input type="file"
Allows you to restrict the UX to valid file formats when necessary. Image uploads, PDF's, etc.
Philip Murphy commented
Looks like my post is v. similar to this one: https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/17694889-support-the-html-media-capture-api - adding link just as FYI.
According to Caniuse, this was supported in IE10-11, it makes no sense to have this removed in Edge!
+1 for this feature