• A W3C Community Group that aims to standardize and enable web developers to style and extend built-in web UI components and controls (such as <select> dropdowns, checkboxes, radio buttons, and date/color pickers) without needing to recreate them from scratch. The group researches existing components across design systems and frameworks to create specifications for component parts, states, behaviors, and accessibility requirements, along with test suites and polyfills. Open UI was launched in 2020. ↑ open-ui.org

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