It's capitalized in the title, so it's a PROPER noun. And I've worked in software development for a long time, and have read HN regularly for a long time, and I

It's capitalized in the title, so it's a PROPER noun. And I've worked in software development for a long time, and have read HN regularly for a long time, and I've never heard of "Backstage" as software. There's a wide world out there, which some HN posters "forget."