@openuidev/react-headless@0.18.1 @openuidev/react-ui@0.18.1
thesysdev/openuiOct 15, 2026 → Oct 15, 20260 days between releases
What's New
Redesigned React UI shell with new mascot and SSR support; `defaultLabel` deprecated.
Breaking Changes
- `defaultLabel` prop is deprecated in favor of `toolLabel` in the React UI library.
New Features
- Redesigned AgentInterface shell with collapsible sidebar and draggable width.
- New WelcomeMascot component with interactive animations.
- New `useThemeModePreference` hook for theme management.
- New `AgentInterface.SidebarFooter` slot.
- Server-side rendering support for state restoration.
Improvements
- Redesigned tool call timeline with animated glyphs and plain-language labels.
- Server-rendering support to restore preferences before paint.
Upgrade Notes
Update any usage of the `defaultLabel` prop to `toolLabel` in your React UI components. Ensure your build environment supports server-side rendering hydration.
The Two Releases
@openuidev/react-headless@0.18.1
Oct 15, 2026· 7 days ago
This patch release updates documentation for OpenUI Lang 1.0 and fixes the streaming logic for tool calls, ensuring tool results are properly flushed before they appear.
Full release notes@openuidev/react-ui@0.18.1
Oct 15, 2026· 7 days ago
A significant patch release for the React UI library featuring a complete redesign of the AgentInterface shell, including a new welcome screen, mascot, tool timeline, and server-side rendering support.
Full release notes