Elixir 1.18 introduces an auto_reload option for IEx, allowing automatic code reloading without needing to manually call recompile(). This guide details setting up a new Mix project, configuring auto_reload, and integrating with tools like entr for automatic recompilation. The new feature aims to improve the developer experience, particularly when using multiple OS processes.

5m read timeFrom arrowsmithlabs.com
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recompile/0 (the old way):auto_reload (the new way)

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