>Interestingly, they only do that for java code. Not sure what you mean. I work at Facebook, and can confirm we keep all code in a monorepo (or, rather, one of

>Interestingly, they only do that for java code. Not sure what you mean. I work at Facebook, and can confirm we keep all code in a monorepo (or, rather, one of two big monorepos) rather than just Java code. This lets us easily do React API changes: we can deprecate an API internally, and update all JS code that references the old APIs in a single commit.