> asking for x years of experience in their exact tech stack That's not new, though - that's been going on as long as I've been in this business (early 90's).

> asking for x years of experience in their exact tech stack That's not new, though - that's been going on as long as I've been in this business (early 90's). Most people suspect it's an end-run around H1B requirements: they already have a candidate in mind they want to hire, but they have to demonstrate to the government that they "can't find" a U.S. citizen who has the skillset they need.