The flathub beta repository, as long as I'm concerned, is more useful when the DISTRIBUTION of the product (app,runtime,plugin,...) is not ready yet for the public.
So, maybe on the initial stages, while the build method of the flatpak is in development it would be a good idea. But since there's already a method for the Firefox stable, i don't know if it will be necessary.
The downside of being on Flathub Beta repository is that the discoverability of the app will be decreased, since it will be not visible on flathub.org and on distributions that already comes with Flathub but not Flathub Beta, increasing the chance of users searching for another method of installation.
Your idea has quickly received a great deal of votes (kudos) and support here in the Mozilla Connect community, so we are upgrading the status to “Trending idea.” This means it’s now one step closer to reaching our internal teams for review—learn more about The Idea Journey here.
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