Ebbe Steenhoudt contributed targeted engineering improvements to the gfx-rs/wgpu and gpuweb/gpuweb repositories over a two-month period, focusing on bug fixes that enhanced both code reliability and documentation clarity. In gfx-rs/wgpu, Ebbe updated the viewport validation logic using Rust, expanding supported viewport ranges and refining error messages to align with evolving specifications, which improved rendering compatibility across devices. In gpuweb/gpuweb, Ebbe addressed documentation accuracy by correcting render pass finalization terminology, ensuring consistency with the WebGPU spec and reducing developer confusion. These contributions demonstrated depth in API development, graphics programming, and validation logic, with careful attention to specification alignment and integration quality.