Content Editable seems to be quite good these days, if you don't use it as is, but are willing to layer a framework on top of it. I tried Lexical, but am now go

Content Editable seems to be quite good these days, if you don't use it as is, but are willing to layer a framework on top of it. I tried Lexical, but am now going to roll my own, but still entirely based on HTML/CSS and ContentEditable. No WebGL required, although I might very well use it for a particular editing component.