plans to support ad-supported online media streams

Why are they saying it like it’s something good and exciting?

rewriting the whole core of VLC for the 4.0 release which will see a new interface

Where have we see it before? It’s basically the classic scenario where popular software/service makes a complete chnage of design nobody asked for and it fails miserably. I recommend everyone to make a backup of the installer of the last version before this release…

They dont display ads, the channels send video streams that have embedded ads for money purpose things (whoever buys shit because of ads)

Why would that need special support? If the ads are embedded, that should work out of the box.