There's only one macOS and only one Windows. You can support only the big distros (basically Debian/Ubuntu or/and Fedora/openSUSE; for example that's what Chrom

There's only one macOS and only one Windows. You can support only the big distros (basically Debian/Ubuntu or/and Fedora/openSUSE; for example that's what Chrome does) and let respective distro maintainers handle issues to other ones. Or just use Snap or/and Flatpak.