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CrownUI · GuidesIntroductionCrownUI is a declarative UI toolkit for Rust and the native toolkit of CrownOS.
CrownUI · GuidesQuickstartInstall the native libraries, add CrownUI to a project and open your first window.
CrownUI · GuidesStateSignals, memos and bindings drive fine-grained updates without a virtual DOM.
CrownUI · GuidesStylingStyle views with Tailwind-named methods, state variants and spring transitions.
CrownUI · API ReferenceAPI overviewThe entry points, handles and conventions shared by every CrownUI API.
CrownUI · API ReferencerunRun a view in a window on Wayland, rendered by Impeller, until the window closes.
CrownUI · API ReferencesignalCreate a reactive value in the current scope and read or write it through the runtime.
CrownUI · ChangelogChangelogNew features and fixes in each CrownUI release.
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Releases

Changelog

New features and fixes in each CrownUI release.

2026-10-28v0.1.1FeatureFix

Added

  • crownui::run_windows runs several windows from one app, each with its own UI.
  • Layer surfaces switch keyboard focus per frame.

Fixed

  • Popups paint in a top layer that escapes their ancestors' clips.
  • Rounded clips of every layer are antialiased.

Project

  • CI and crates.io publishing workflows. cargo xtask bundle publishes CrownUI as one crate.
  • Licensed under MIT OR Apache-2.0.
2026-10-12v0.1.0Release

First version of CrownUI: declarative views, fine-grained signals, Tailwind-named styles, DOM-named events and Impeller rendering on a dedicated thread. Release builds use thin LTO and stripped symbols.