Document latest Portal changes (#416)

radix-ui/primitives#1463

data/primitives/overview/releases.mdx

@@ -55,6 +55,10 @@ metaDescription: Radix Primitives releases and their changelogs.
 - [**Breaking**] Move `allowPinchZoom` to root <PRLink id={1400} />
 - [**Breaking**] Add new `Portal` part. To avoid regressions, use this part if you want portalling behavior. Note that `z-index` isn't managed anymore so you have full control of layering. <PRLink id={1425} />
 
+<PackageRelease name="Portal" version="0.1.5" />
+
+- [**Breaking**] Note that `z-index` isn't managed anymore so you have full control of layering. The prop to provide a custom container evolves from `containerRef` (ref) to `container` (element). The `data-radix-portal` was removed because you can use `asChild` to control the element. <PRLink id={1463} />
+
 <PackageRelease name="RadioGroup" version="0.1.6" />
 
 - Add `aria-required` to root <PRLink id={1422} />

data/primitives/utilities/portal/0.1.5.mdx

@@ -49,16 +49,23 @@ export default () => <Portal.Root>Content</Portal.Root>;
 
 ### Root
 
-Anything you put inside this component will be rendered in a separate `<div data-radix-portal>` element. By default, this element will be appended to `document.body` but you can choose a different container by using the `containerRef` prop.
+Anything you put inside this component will be rendered in a separate `<div>` element. By default, this element will be appended to `document.body` but you can choose a different container by using the `container` prop.
 
 <PropsTable
   data={[
     {
-      name: 'containerRef',
-      type: 'React.RefObject<HTMLElement>',
-      typeSimple: 'ref',
+      name: 'asChild',
+      required: false,
+      type: 'boolean',
+      default: 'false',
       description:
-        'A optional ref to a different container where the portaled content should be appended.',
+        'Change the component to the HTML tag or custom component of the only child. This will merge the original component props with the props of the supplied element/component and change the underlying DOM node.',
+    },
+    {
+      name: 'container',
+      type: 'HTMLElement',
+      description:
+        'A optional different container where the portaled content should be appended.',
     },
   ]}
 />