Worked on stabilizing the gpui editor within the zed-industries/zed repository by addressing crashes triggered by specific Unicode control characters. Focused on library management and UI development using Rust, the approach involved upgrading the cosmic-text dependency to version 0.19.0 within the gpui_wgpu path. This targeted update resolved editor failures caused by characters such as U+001C, U+001D, U+001E, U+0085, and U+2029, improving reliability for diverse text inputs. The solution maintained performance and avoided public API changes, while adhering to internal quality gates and ensuring release-note readiness, ultimately preparing the codebase for broader Unicode support.