Worked on the linebender/vello repository to streamline lifetime management in Rust code, focusing on the RenderState and SimpleVelloApp components. The approach involved refactoring lifetime annotations, allowing RenderSurface to use the 'static lifetime due to its ownership by Arc<Window>. This change eliminated redundant lifetime specifiers, reducing complexity and the potential for lifetime-related bugs. The refactor improved code maintainability and readability without altering external behavior, making future updates and concurrency patterns safer and more straightforward. The work leveraged Rust’s type system along with WGPU and Winit, demonstrating a methodical approach to code cleanup and long-term maintainability within the project.