Luis Cortes contributed to the cashapp/redwood repository by developing three features focused on improving layout measurement and UI fidelity in Android applications. Over two months, he enhanced ComposeUiBox by simplifying the BoxMeasurePolicy for more accurate screenshot rendering and adding support for explicit height and width constraints. These changes, implemented in Kotlin using Jetpack Compose and Compose UI, streamlined layout logic and ensured that UI elements respected developer-specified dimensions. Luis also updated internal data structures and introduced snapshot tests to verify correct behavior, resulting in more predictable and reliable UI rendering across devices. No major bugs were addressed during this period.