YouTube Showcase WordPress Plugin Professional edition allows you to sort your YouTube videos imported to WordPress by YouTube video publish date. To be able to use this feature you must have at least 4.3 version of YouTube Showcase Pro installed.
You need to create a shortcode using Visual Shortcode Builder using the following steps:
Tag the videos you want to include in the gallery or use an existing tag
Pick the gallery view you want to use
Create a shortcode using Visual...