1 addition.
@base-ui/react compounds with *.Content shortcuts, Header/Body/Footer, and an intent variant on the popup. Dialog adds sm/md/lg sizes; Popover adds Arrow, positionerProps placement, and openOnHover. - IconTile — a tile that frames a single Phosphor icon, with xs–3xl sizes, intent/emphasis variants, and square (default) / circle shapes. - core: new layering.css z-index scale emitting named utilities (z-overlay, z-modal, z-popover, …), reusable motion-scale / motion-slide enter/exit utilities in motion.css, and a --rim-light-edge token in elevation.css.