SixtyFPS GmbH is releasing version 1.0 of Slint, a complete toolkit enabling the development of native user interfaces within desktops and embedded environments leveraging Rust. The group of over 50 contributors designed Slint 1.0 for scalability, customization, and cross compatibility. For the purpose of assisting in the simplification of designing UIs, Slint has streamlined the approach using declarative programming.