Earlier quoted context omitted.
> At this pace it would likely take decades just for them to be complete enough to show up on MDN or wpt.fyi The important thing to keep in mind with this announcement is that the glacial pace was previously a restriction of being attached to SerenityOS. Everything needed to be built from scratch with no reliance on third party libraries. Now that they're detaching from Serenity they can start reaping the benefits of…
Indeed! Now they can use chromium and get a big running start /s I’m not sure what in the FOSS ecosystem will actually help them if they’re trying to take a fresh set of eyes on implementing a web browser. EDIT: ga sibling comment beat me to the joke
Some things in other browsers could be used without much pain, e.g. image renderers, JavaScript engines. Things that are totally self contained and can be used until someone writes a suitable replacement.