WebKit isn't really independent - while it is technically opensource, it is effectively controlled by Apple. In fact, Apple were the ones who originally forked it from KHTML. They continue to be majority contributors and drive the product roadmap.

On the other hand, there's Ladybird, Servo and Chawan which are indie, and although they're still in alpha - depending on the sites you browse daily (like HN - which works fine), you might be able to use one of these as a daily-driver.