Comment by ronsor

7 hours ago

They did build a browser; it may not be a very compliant or complete browser, or even a useful one, but neither was IE6!

It didn't even compile, which makes me consider wether your comment is just ignorant or outright maliciously misleading

  • The version that was live on GitHub the day they published their blog post was missing compilation instructions, didn't cleanly compile and didn't pass GitHub Actions CI.

    The project itself did compile most of the time it was being developed - the coding agents had been compiling it the whole time they were running on it.

    Shortly after the blog post they updated the GitHub repo with compilation instructions and it worked. I took this screenshot with it: https://static.simonwillison.net/static/2026/cursor-simonwil...

    The "it didn't even compile" criticism is valid in pointing out that they messed up the initial release, but if you think "it never compiled" you have an incorrect mental model.

    • Also, didn't it use Servo crates? I don't think you can say 'from scratch' if 60% of the actual work is from an external lib.

      If I install an Arch Linux, I don't say I 'installed Linux from scratch'.

      2 replies →

I believe it was basically a broken, non-functioning wrapper around Servo internals. That’s what I’d expect from a high schooler who says “i wrote a web browser”, but not what I’d expect from a multi-billion dollar corporation.