Generally most of those changes are for when someone is using 25+ cursors at once, or are in very large documents that reflow a ton on every character. Typing

Generally most of those changes are for when someone is using 25+ cursors at once, or are in very large documents that reflow a ton on every character. Typing a single cursor in most documents was never really an issue in Atom. But when you layer on a ton of plugins that do all kinds of stuff, and add in some complicated grammars with larger documents and lots of cursors at once, then performance would start to suffer.