The project is dishonest. Maybe AI agent was instructed to split Blender UI code, but what happened instead is AI implemented a classic immediate UI, not even reading the code.

I just tried few very standard operations that every Blender user knows:

1) Drag vertically across multiple number inputs to enter multiedit mode - failed (even though main page advertises this: "Drag down across X, Y and Z to edit all three at once")

2) Hover on field, press Ctrl+C, hover on another field - press Ctrl+V - failed

3) Press shift while dragging - it glitched

4) Scale UI - failed

5) Collapse collapsible block - failed

6) Right click - reset to default - failed

7) Jump to next field with Tab (while editing) - failed

8) Automatic alt accelerators - failed

9) Tooltips - N/A

10) AI slop: funny cursors, focus outline

So basically it is more like styled imgui (less polished than Blender), rather than Blender's UI.

I'm not saying that it is impossible to do a honest implementation, but one needs to kick agent much more to prevent cheating, and actually know how Blender UI works.