When developing **custom visuals** we often need to display menus, rich tooltips or dialogs that don’t fit inside the visual’s rectangle. Today everything is rendered inside an `<iframe>` with `overflow:hidden`, so content is clipped when the user resizes the object. We request an **Overlay / Popup API** that lets a custom visual render content over the entire canvas, following the same UI behavior as native visuals (slicer dropdown, calendar, etc.). Minimum requirements: 1. Host method such as `displayOverlay(htmlElement, options)`. 2. Z-index managed by the host to avoid stacking conflicts. 3. Auto-close when clicking outside or switching pages. 4. Works in Desktop, Service and mobile. Benefits: * User experience identical to native visuals. * Saves dashboard space. * Enables advanced tooltips, in-place editors, wizards, etc. Thank you for considering this feature – it would unlock many scenarios for the custom-visual community.
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