Electron recently made the update.electronjs.org service available for open source Electron apps that use Squirrel for updates. It would be great to move to this service so that we no longer need to maintain our own update service on atom.io.

I experimented with it briefly while working on PR #17538 but ran into a some issues that need to be resolved to support Atom's multiple release channels and 32/64-bit Windows:

• atom requirements electron/update.electronjs.org#58
• Nupkg path in RELEASES file gets updated incorrectly electron/update.electronjs.org#59

I'll be working with them at some point in the near future to get these issues resolved.