WWDC22: Get to know Developer Mode

Setting up a Mac for Development · Homebrew · Terminal · Shell · Install Bash and set it as the default · Customizing Bash with .bash_profile ...

To enable Developer Mode, first choose the device as the run destination and click the Run button. If a dialog appears stating that the device must opt into ...

Once features for web developers are shown, Safari adds a Developer pane to its settings, from which several behaviors can be controlled.

You can do this by going to Window->Devices(or cmd+shift+2 ) and select your Mac there. The button should be there.

When you turn on your Mac, the setup assistant will guide you through basic configurations like selecting your language, time zone, and Apple ID ...

In this post, I'll share the key tools and configurations I use when setting up a new macOS environment for software engineering.

Setting up a new Mac for development can be a daunting task, especially if you are new to MacOS or don't know where to start.

You should be able to disable developer mode by entering the following command in the Terminal app (which is built-into macOS): DevToolsSecurity -disable.

My goal is to keep this MacOS setup for web development up-to-date for you. Here comes everything I got in 2025.

In this video CJ walks you through his Macbook setup. He covers OS settings, essential productivity apps, terminal setup, zsh settings, ...