Reading code can be a major bottleneck in software development, often slowing down progress and increasing costs. Google is addressing this with Code Wiki, a platform that creates and maintains an updated, structured wiki for code repositories. This tool aims to enhance productivity by keeping documentation alive and relevant, evolving alongside the code itself. When code changes, the documentation updates automatically, ensuring accuracy and relevance. Code Wiki integrates an intelligent chat feature that understands the entire repository, allowing developers to ask specific questions about their codebase. This chat isn't generic; it draws context from the continuously updated documentation. Every answer and wiki section links directly to the corresponding code files, merging reading and exploration into a seamless workflow. The platform also generates architecture, class, and sequence diagrams that visualize complex relationships in real time, helping developers grasp intricate aspects of their projects quickly. Currently in public preview, Code Wiki supports public repositories and aims to improve understanding for both new and senior developers alike. New contributors can start making commits on their first day, while experienced programmers can learn about new libraries within minutes. This tool is especially beneficial for private repositories where original authors may no longer be available, tackling the challenge of deciphering legacy code. Google is also working on a Gemini CLI extension for local use, allowing teams to leverage this system securely on internal projects.