Problem is, there are limits to how different browsers using the same engine can be, especially when it comes to matters like efficiency. At some point you’re g

Problem is, there are limits to how different browsers using the same engine can be, especially when it comes to matters like efficiency. At some point you’re going to have to start modifying the engine and eventually, fork it due to divergence becoming unmanageable — this is why Blink was spun out of WebKit.