Is it really possible for a single developer to maintain feature parity with Chrome and Firefox (or even webkit)? If you're a single developer maintaining your

Is it really possible for a single developer to maintain feature parity with Chrome and Firefox (or even webkit)? If you're a single developer maintaining your own browser, you must choose between maintaining your own incomplete engine that lacks many html5 features the users want, or adopt blink/webkit/gecko and instantly gain feature parity with mainstream browsers.