Arthur Brussee developed high-resolution rendering support for the ArthurBrussee/brush repository, enabling output up to 4096 pixels and enhancing the flexibility of the rendering pipeline. He refactored the rasterization dispatch logic to comply with WebGPU workgroup limits, introducing 2D dispatch splitting and reconstructing linear IDs in WGSL shaders for accurate tile mapping. The user interface was updated in Rust to reflect the new maximum resolution, improving user feedback and accessibility. Arthur also focused on code quality by removing unused imports and applying formatting improvements, laying a solid foundation for future enhancements in graphics programming and UI development within the project.