During September 2025, contributed across four repositories by modernizing test automation, refining documentation, and clarifying platform compatibility. Updated the SeleniumHQ/selenium Python example to use the Firefox Options API, enabling a more structured and future-proof Remote WebDriver setup. In PowerShell/PowerShell, corrected changelog documentation to accurately reflect CI environment changes. Improved Markdown documentation in JetBrains/Avalonia by enforcing POSIX-compliant newlines, enhancing text processing and diff clarity. Clarified TCP socket documentation in tokio-rs/tokio, expanding platform compatibility details for set_reuseport functions. Work demonstrated proficiency in Python, Rust, and Markdown, with a focus on API integration, networking, and maintainable documentation practices.