Joshua Higgins developed and integrated a Quad9 DNS provider option into the Secure DNS settings for the imputnet/helium repository, allowing users to select Quad9 for enhanced privacy and security. He worked primarily in C++, applying his skills in DNS configuration and network programming to update the settings UI and ensure seamless integration with the existing Secure DNS configuration flow. The feature was delivered with a focus on stability and clear commit history, resulting in increased user control over DNS providers. Joshua’s work demonstrated end-to-end feature delivery within the settings module, addressing both technical requirements and business needs for privacy controls.