@@ -478,7 +478,7 @@ Set media and words side-by-side for a richer layout.
 
 -	**Name:** [core/media-text](https://developer.wordpress.org/block-editor/reference-guides/core-blocks/core-blocks-media/core-block-media-text/)
 -	**Category:** [media](https://developer.wordpress.org/block-editor/reference-guides/core-blocks/core-blocks-media/)
--	**Supports:** align (full, wide), allowedBlocks, anchor, color (background, button, gradients, heading, link, text), dimensions (minHeight, minWidth), interactivity (clientNavigation), spacing (margin, padding), typography (fontSize, lineHeight), ~~html~~
+-	**Supports:** align (full, wide), allowedBlocks, anchor, color (background, button, gradients, heading, link, text), dimensions (minHeight, minWidth), filter (duotone), interactivity (clientNavigation), spacing (margin, padding), typography (fontSize, lineHeight), ~~html~~
 -	**Attributes:** align, focalPoint, href, imageFill, isStackedOnMobile, linkClass, linkDestination, linkTarget, mediaAlt, mediaId, mediaLink, mediaPosition, mediaSizeSlug, mediaType, mediaUrl, mediaWidth, rel, useFeaturedImage, verticalAlignment
 
 ## Unsupported
 
@@ -56,6 +56,8 @@ _Defined via the [`supports`](https://developer.wordpress.org/block-editor/refer
 - [`typography`](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-supports/#typography):
   - [`fontSize`](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-supports/#typography-fontsize): `true`
   - [`lineHeight`](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-supports/#typography-lineheight): `true`
+- [`filter`](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-supports/#filter):
+  - [`duotone`](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-supports/#filter-duotone): `true`
 - [`interactivity`](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-supports/#interactivity):
   - `clientNavigation`: `true`
 - [`allowedBlocks`](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-supports/#allowedblocks): `true`
@@ -69,6 +71,13 @@ _Defined via the [`usesContext` and `providesContext`](https://developer.wordpre
 - `postId`
 - `postType`
 
+## CSS Selectors
+
+_Defined via the [`selectors`](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-selectors/) property in block.json._
+
+- **filter**:
+  - duotone: `.wp-block-media-text > .wp-block-media-text__media img, .wp-block-media-text > .wp-block-media-text__media video`
+
 ## Block Markup
 
 This is a [**hybrid block**](https://developer.wordpress.org/block-editor/getting-started/fundamentals/static-dynamic-rendering/). It saves static markup that the server may enhance during rendering.
 
@@ -143,11 +143,19 @@
 				"fontSize": true
 			}
 		},
+		"filter": {
+			"duotone": true
+		},
 		"interactivity": {
 			"clientNavigation": true
 		},
 		"allowedBlocks": true
 	},
+	"selectors": {
+		"filter": {
+			"duotone": ".wp-block-media-text > .wp-block-media-text__media img, .wp-block-media-text > .wp-block-media-text__media video"
+		}
+	},
 	"editorStyle": "wp-block-media-text-editor",
 	"style": "wp-block-media-text"
 }