Re:Flow Browser – A parallel, multithreaded HTML browser
by rkangel on Friday November 29, 2019 @05:38AM
(#21663522)
> developed a clean room browser architecture
Implies that this isn't a webkit fork, they started from scratch.
See also: https://twitter.com/FlowBrowser/status/1200098712816631809
Webkit a comparably easy target to strip down and embed elsewhere. See Apple watch.