Faster Incremental Builds with Dune 3 (opens in new tab)

In February 2022, we released Dune 3.0. This updated version is the result of considerable development work over the previous six months. Dune 3.0 contains many new features, one of which is “watch mode,” an exciting new feature explained below. As a build system, Dune’s main goal is to build targets. These targets can be either files (like an executable file) or “aliases,” a group of targets that can have a visible outcome (like running tests). By default, when running a build, Dune receives...