Worked on the freenet/freenet-core repository to enhance the local development experience by addressing a specific networking issue. Focused on backend development using Rust, the contribution involved normalizing the IP address 0.0.0.0 to localhost when running in local mode, ensuring that local workflows behaved as expected and reducing potential confusion during onboarding or debugging. This targeted bug fix improved the reliability of local development environments by guaranteeing correct IP binding, which is essential for consistent testing and development. The work demonstrated attention to developer experience and collaboration, leveraging Rust’s strengths for robust backend solutions within the Freenet project.