I really wish Mozilla would work on making their Gecko engine (or whatever backend they use now) more usable to external developers. WebKit always seems very easy for developers to integrate into their apps. Whether you think it's a good or bad move, Electron has made building cross platform desktop applications a lot easier. It's a shame it must use Chromium and V8. In fairness Mozilla used to have XUL [1] until it…
> Electron has made building cross platform desktop applications a lot easier For people who have web development experience, yes.
And that case applies more often than you'd think. For example, the Spotify app, the Slack app†, the various Facebook Messenger "clients", etc.
† the Slack app is built with http://macgapproject.github.io/, but it's pretty much the same thing.