Makes sense. They don’t get money from ads, so they have little to loose by banning them apart from annoying some publishers, but from what we saw in the past, what will they do? Leave Steam?

Classic killing two birds with one stone: get more revenue from sales, and make customers happier.

Have they? I couldn’t find any information about that online. As for the rest, yeah, likely poached (or, like Mistral, not very pro-open source (◡︵◡) )

Nah, I’ve heard they stopped development. People use LocalCDN as a drop in replacement. However, by itself, it doesn’t change much when it comes to ads and tracking.