Linux.com - https://www.linux.com/news/make-your-first-contribution-open-source-project-0
In this article, I’ll provide a checklist of beginner-friendly features and some tips to make your first open source contribution easy.
Understand the product
Before contributing to a project, you should understand how it works. To understand it, you need to try it for yourself. If you find the product interesting and useful, it is worth contributing to.