Developers don't need to test in every distro, or even all the most popular distros. All they need to do is test in one distro. It will probably work in mos

Developers don't need to test in every distro, or even all the most popular distros. All they need to do is test in one distro. It will probably work in most of the rest and linux users expect that if something breaks they'll be the one tweaking things to make it work. Sometimes you'll get bug reports from those users saying "I had to do X on distro Y for reason Z" and you can act on those reports, or not. It doesn't matter. Honestly, linux users don't expect more. There's tons of proprietary software out there supporting linux in this manner and it works out fine. Linux users are easy to please. The hardest people to please are the developers with Windows/Mac backgrounds who mistakenly believe they're expected to test on every distro and rightly balk at that.