Why did Facebook stop using GIT?

The article titled "Why Facebook Doesn’t Use Git" discusses Facebook's unconventional approach to source code management. While Git is a prevalent tool among many developers, Facebook has chosen to use its own system that better aligns with its unique needs. The author emphasizes that Facebook has built a tool named "Mercurial," which supports their massive repositories and complex code structure. This system allows them to implement changes rapidly and manage a significant number of branches simultaneously. Furthermore, Facebook utilizes solutions that integrate with their existing workflows and tools, facilitating the programmers' tasks. The teams involved in the project are continuously working towards optimizing their system to ensure maximum efficiency and effectiveness while coding. Although Git is widely favored, the article suggests that there isn’t a one-size-fits-all solution that works best for every organization.