An overnight job drops offline, and you don’t notice the archive never finished until the next morning. A developer changes workstations, but signing assets and the keychain don’t make the move intact. A quick cleanup removes the caches and configuration the next build depends on. A machine that powers on isn’t necessarily a machine that can run your pipeline reliably.
Using development computers as shared build machines also ties two different workflows together. Someone needs to debug while someone else needs a build; one person changes the toolchain while another depends on the previous setup. When release day arrives, the team is left trying to remember exactly what went into the last successful build.
Our goal with OSXHost is simple: give builds a dedicated Mac, with a consistent home for projects, toolchains, and run history. A dedicated machine gives you a clear resource boundary. Your team can then use pinned versions, managed signing assets, and automation scripts to make builds traceable and repeatable.