Create: Click "Draw Room" button (it stays highlighted) then drag on map. Click it again to turn off. Resize: Switch to "Select / Move" mode, click a room, then drag any corner to reshape. Delete: Select a room and click "Delete Selected" or the red X button.

Simple line corridor: Click "Draw Line Corridor" then drag on map. Connected corridor: Click "Connect Rooms", then click room A and room B (it stays linked when rooms move). Width: Select any corridor, then use the top toolbar −/+ controls. Shape edit: Only simple line corridors can be moved/resized from the map.

Enable Place Stamp and click a floor tile to add icons. Doors are manual stamps now. Click existing stamps to select and edit notes.