**How the Medium iOS Team Effectively Manages Legacy Code**

In the world of software development, managing and improving legacy code can often be a daunting task. But what if we told you that it doesn’t have to be? The Medium iOS team has discovered strategies and practices that help them effectively work with their legacy codebase, and in a recent article by Zouhair Mahieddine, they reveal their secrets. Let’s dive in and explore the key takeaways.

First and foremost, the Medium iOS team values a learning culture. They understand that continuous learning is essential for resilience and for creating better software. By releasing often and actively seeking feedback from their users, they are able to continuously improve their product.

Simplicity and rigor are two other core principles embraced by the team. They strive to find the simplest solution that works, avoiding unnecessary complexity. This approach is also reflected in their code, which is clean, simple, and easy to understand and maintain. To ensure the quality of their code, the team emphasizes writing tests first and ensuring that all tests pass.

The team also strongly believes in collective ownership and pride in the codebase. They encourage collaboration and feedback, understanding that every team member should feel a sense of ownership and responsibility. By fighting entropy – deleting unused code and refactoring the codebase regularly – they ensure that the code remains in a healthy state.

When it comes to managing legacy code, the team follows the principles outlined in Michael Feathers’ book “Working Effectively with Legacy Code”. This includes adding tests to the codebase before making any changes, preserving existing behavior. Additionally, the team employs scratch refactoring to gradually make improvements and get better acquainted with the code.

These principles are not just theoretical concepts for the Medium iOS team, but are practically applied to their daily work. They use them to tackle complex and convoluted codebases, making them more manageable and easier to understand and improve.

In conclusion, the Medium iOS team’s commitment to continuous learning, simplicity, rigor, and collective ownership has proven to be a winning formula for effectively managing and improving their legacy codebase. If you’re facing similar challenges with your own software development projects, consider adopting these strategies to achieve better results.

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Source: https://medium.engineering/how-the-medium-ios-team-works-effectively-with-legacy-code-0a9ddc45df19