Did you see that they recently managed to bootstrap their entire system in 357 bytes?
They've been trying for years to get bootstrapping down, and this is exceptional.
https://guix.gnu.org/en/blog/2023/the-full-source-bootstrap-building-from-source-all-the-way-down/
They mention Mes in it, which I think is one of the most important projects in the world for genuinely trustworthy computing: