[auslander]

> Macs remain a fairly open system, although the increasing focus on the Mac app store, which Firefox isn’t on, bodes ill for the browser’s future.

Why not put FF in App Store? I'd even pay for clean, no "integrations", version.

[barryvan]

I suspect that it's because Firefox makes extensive use of "private" Apple APIs to be able to efficiently render on the platform, and Apple doesn't allow such uses for apps distributed through the app store. Similar issues apply to electron apps: https://news.ycombinator.com/item?id=21437255