WinUI 3
.NET 9
Windows 10 / 11
DomeOS AI
A native Windows client for AI agents. The interface is rebuilt with WinUI 3 — instant startup, and only tens of megabytes in the background.
v2.0 “Darling” · 2026-10-30 · x64 · ~526 MB · Previous releases
Default model
Tools enabled
Turn this weekly report into key points, then draft next week's plan.
Read weekly-report.docx, 3 work items.
This week
· Refactored the login flow; error rate down to 0.4%
· UI review complete; 3 interaction issues left
Next week
· Fix the remaining issues and run regression
· Review the offline cache proposal
This week
· Refactored the login flow; error rate down to 0.4%
· UI review complete; 3 interaction issues left
Next week
· Fix the remaining issues and run regression
· Review the offline cache proposal
Ask DomeOS, or use the global shortcut…
Features
Native UI, light footprint
The interface layer is rebuilt with WinUI 3 and Windows App SDK. Startup, memory and interaction all work the Windows way.
Native Windows experience
Native XAML replaces the web rendering pipeline, so windows, controls and input are truly native.
- Mica / AcrylicBlends with the Windows 11 visual language; the window follows your desktop.
- System themeLight, dark and accent colors update in real time.
- Native inputContext menus, drag and drop, touchpad gestures and IME, all native.
- High DPI & multi-monitorSharp at any scaling ratio.
- AccessibilityNarrator, full keyboard navigation and UI Automation.
Light and portable
No installer, no MSIX, no certificates. The app and your data stay where you can see them.
- Single-file distributionDownload one EXE and run it from anywhere.
- Your data, your folderConfig and sessions live in
%LOCALAPPDATA%\DomeOSand move with the folder. - Clean uninstallDelete the folder and you're done.
- In-place upgradeReplace the old file; data and settings stay.
Full agent capabilities
More than a chat window. Sessions, tool calls and code rendering all happen on the desktop.
- Streaming chatToken-by-token rendering that stays smooth on long replies.
- Multi-sessionHistory, rename, search and archive.
- Tool-call visualizationEvery step of the agent's reasoning and calls, structured.
- Code highlightingNative rendering with one-click copy.
- Markdown & mathFull rendering support.
- Tray residentGlobal shortcut to summon the sidebar anytime.