Not nearly complete enough if you want a browser.

MAYBE, if you want a browsing engine / "webview".

That's exactly what Servo was/is, an embeddable browser engine. It was never aiming to build a usable reference servo browser with the engine. The packaged nightly binaries were just to demo the current state of the embeddable engine which is why they were so barebones.

Yes, you're correct, but the ancestor comments kind of implied it being a hope for browsers at large.

Bad phrasing from my part too, sorry.

Ahh, i'm talking about the surviving parts that were adopted by Firefox:

https://en.wikipedia.org/wiki/Gecko_(software)#Quantum

I remember it clearly because Firefox got a big performance boost in it's renderer when quantum was released, often it's faster than Chrome.

What features would a browser need on top of regular webview APIs?

No, not even close.

Why not, It's in Firefox, I'm literally looking at it right now.

Some parts of Servo are in Firefox, but not the whole thing.

Swapping your VW Beetle's wheels for a Ferrari's doesn't make it a Ferrari! Even if it improves handling (or whatever I'm not a car person, it's just an accessible analogy)

No it isn't. Some parts of Servo were adopted into Firefox, but "Servo" is not in Firefox.

If you compile servo and point it at the homepage of google, I doubt it renders right now. It was constantly broken even when it had a full-time staff.