Developed Windows Rendering Occlusion Handling for the slint-ui/slint repository, focusing on optimizing graphics rendering and resource management in Rust. The work introduced logic to mark zero-size Windows as occluded and simulate Occluded events for minimized windows, allowing the rendering loop to skip unnecessary processing and reduce CPU usage during minimized states. This approach leveraged event-driven programming and system programming techniques to align with winit integration, ensuring compatibility with the existing windowing model. The feature improved rendering performance and power efficiency on Windows desktops, while also documenting the behavior to support future enhancements in Windows-specific rendering optimizations.