CSS3121: Die Medienabfrage -ms-viewport ist veraltet ,. i.e. media query -ms-viewport is deprecated.
Running my newest app I noticed that Chrome debugger says: CSS3121: Die Medienabfrage -ms-viewport ist veraltet. I found this query solely within bootstrap-4.0.0.css: @-ms-viewport {
width: device-width;
} . This seems to be all right and correct. Or is there something else to worry about?
Bernd