Goes without saying, its a browser, browsers are never finished. unless you discarded html/js and started from scratch... but then you'd have no data for the browser and what would be the point of that.
"Goes without saying, its a browser, browsers are never finished. "
But they can be working enough, to be useful. Meaning they can display correctly the pages you want to see.
So the best independent effort of a working browser I know of, is ladybird. And Kling knows how to build browsers, so toying around with a browser from scratch on your own will be a learning experience. But I guess you might learn more, by contributing to a project that stands a real chance to become a working browser.
