After deleting all the components from the canvas, "Add section" button should be visible on the canvas

wim leers → credited jessebaker → .

@jessebaker reported the same problem ~2 hours later: ✨ Improve UI for empty states - Empty layout Closed: duplicate . Closed that as a duplicate.

Transfered what he wrote and merged it with @shyam_bhatt's write-up 👍

Related: #3472299-17: Update default config to make a fresh install result in an XB UI with an empty canvas → .

I believe at this point all that is left is the backend work to render the empty space inside the iFrame - basically taking the work done in useRenderPreviewEmpty[Slot|Region]Placeholders and doing it on the server side instead.