A new property, shortsAspectRatio, has been added to the schemas.ThumbnailDetails object. This property is of type Thumbnail and is described as 'The Shorts aspect ratio (9:16) image for this resource.' Developers can now retrieve specific thumbnails optimized for the vertical 9:16 aspect ratio used by YouTube Shorts, improving the presentation of Shorts content in their applications.
Medium Impact
DocsYouTube Shorts Thumbnails Now Available
Modified API Methods (1):