During March 2026, Zx Cs focused on enhancing the documentation for the electron/electron repository, specifically clarifying the usage of the webContents.setWindowOpenHandler API. By updating Markdown-based documentation, Zx Cs addressed scenarios where background tabs are opened and the webContents object may be undefined, providing explicit examples and reorganized comments to guide developers. This work emphasized API design principles and aimed to reduce confusion and misuse among contributors. Although no bugs were fixed during this period, the improvements increased the maintainability and readability of the documentation, supporting downstream developers in implementing correct window opening behavior within Electron applications.