Earlier quoted context omitted.
It's a shame because Sublime is one of the few pieces of software that I use on my computer on a day-to-day basis that isn't a buggy POS (besides the well-written venerable UNIX shell apps). Firefox? Buggy. Chrome? Buggy. Any other GUI editor? Buggy. Android Studio? Buggy. XCode? Buggy. I could go on all day. It's written in C++, too, so it's lightning fast. There's no reason UIs should be laggy in 2016 on the very h…
That sounds more like a Linux problem than an Electron/JS problem ;-)
Although it's definitely an Electron problem. My few experiences with Atom have been that it is absolutely and unacceptably slow on top hardware.