FWIW VCS for Smalltalk basically does this. The challenge for a tool like difftastic is that I can't guarantee that syntax is well-formed. You might be using n

FWIW VCS for Smalltalk basically does this. The challenge for a tool like difftastic is that I can't guarantee that syntax is well-formed. You might be using new syntax that my parser doesn't support, you might have merge conflicts, or you might have a plain syntax error in your code. Tree-sitter handles parse errors gracefully, so difftastic handles syntax errors pretty well in my experience.