nostr:npub10ltl3pugxhk4ht9parv2gs7fwedthv9af6epmn7au7gx7z70rv0spcvh2u Meta uses a monorepo, but because of speed problems, etc., they ended up developing their own file system and VCS so they could continue using the monorepo. https://github.com/facebook/sapling/blob/main/eden/fs/docs/Overview.md