Clay Board Style System v0.4.1 Brings CSS-Like Animations to Native SDL3 UI

Clay Board Style System (CBSS) version 0.4.1 was released on August 12, 2026, introducing a new SDL3 demo that demonstrates CSS-inspired keyframe animations and hover transitions running inside a native UI built with Nim. The release builds on v0.4.0, which landed a day earlier and introduced the core declarative motion runtime. The demo showcases four animation behaviors in a single native SDL3 window, including eased horizontal movement, 2D flips, color and opacity transitions, and reversible hover effects. CBSS keeps motion declarations within the style model and samples only active animation tracks at their scheduled frame deadlines, avoiding a full style-and-layout pipeline pass for purely visual changes. Version 0.5 is planned to expose the declarative motion system through a C ABI, broadening its accessibility beyond Nim.
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