\nThis stems from missing functionality in the [ChildProcess](https://packages.gren-lang.org/package/gren-lang/node/version/4.2.0/module/ChildProcess) module. In order to fix this issue in a backwards compatible way, Justin Blake has added a new function called [ChildProcess.spawnAndNotifyOnExit](https://packages.gren-lang.org/package/gren-lang/node/version/4.2.0/module/ChildProcess#spawnAndNotifyOnExit) which works exactly like [ChildProcess.spawn](https://packages.gren-lang.org/package/gren-lang/node/vers