I run into a lot more bugs with VS Code--or at least the (very few) plugins I'm using with it--than with Atom. For example When writing JSX, I'll occasionally add a wrapping element around another, and suddenly I'll get lint warnings about unexpected tokens. Using the "reload window" command or exiting and opening the editor again makes it work, but otherwise I can't get the error to go away.

I also find it to be far noisier by default than Atom. There are so many things on the screen at any given time. The side nav has a bunch of icons, the sidebar seems weirdly un-compact, and it keeps trying to suggest code snippet completions for me. It also seems conventional for VS Code plugins to add inline indicators to the editable region to show things like failing tests or previews of CSS colors. I find things shifting around suddenly on the screen visually jarring, and it makes moving the caret around feel weird. Some of these things are fixable via options, but I like that Atom doesn't require nearly as much fiddling in order to get it to quiet down.

Also, it's slightly annoying to have to reload the editor after installing/removing/disabling/enabling a plugin.