1.4 seamless integrates the new WordPress 3.5 Media Manager into the local video embed process. Further more customization options are introduced: Use time-links not only for YouTube but also for Dailymotion, let your videos auto play when they are displayed in single post/page view and specify your Dailymotion Publisher Syndication Key. Also your local videos are now saved domain independent – this means they won’t break when you move your blog.
As developer you now also have access to two new PHP-Functions for accessing the featured video’s images:
get_the_post_video_image() get_the_post_video_image_url()