Are mozilla's fork any good?

To answer that question, we first need to understand how complex, writing or maintaining a web browser is. A "modern" web browser is : a network stack, and html+[1] parser, and image+[2] decoder, a javascript[3] interpreter compiler, a User's interface, integration with the underlying OS[4], And all the other things I'm currently forgetting. Of course, all the above point are interacting with one…