Comment by rjh29

In case you didn't know they're using a lot of third-party libraries now for pretty major things: libcurl for http, Skia/Harfbuzz for rendering, libxml, OpenSSL, ffmpeg, etc:

https://github.com/LadybirdBrowser/ladybird/tree/8017f8a7ed3...

The core browser engine, JS/CSS/layout etc will always be original.