YouTube Shorts Now Supports Horizontal 16:9 Video Ads on Desktop

April 22, 2025 / Media Buying YouTube Shorts Now Supports Horizontal 16:9 Video Ads on Desktop YouTube Shorts is now serving horizontal 16:9 video ads on desktop devices—a move that could reshape how advertisers approach creative for Shorts placements. Until now, Shorts primarily showed vertical (9:16) video ads to match the native mobile experience. But […]