> First, there's more to FB builds than infra C++, most notably iOS and Android, which are all built locally Again, ios and Android have had the remote artifac

> First, there's more to FB builds than infra C++, most notably iOS and Android, which are all built locally Again, ios and Android have had the remote artifact caching you mention as so important since many years ago. Android has had remote execution for years (I think even before the infra c++ you mention). > But a devserver build required a full checkout This is not true with sapling, which had been used extensively for years.