Hook name: twenty_twenty_one_can_show_post_thumbnail Hook type: filter Plugin ref: Twenty Twenty-One Sourcefile: File ref: twenty_twenty_one_can_show_post_thumbnail() – Determines if post thumbnail can be displayed. Description: Parameters: Deprecated?: No API Letters: C,O,S,T Invokers 1 to 1 of 1 twenty_twenty_one_can_show_post_thumbnail() – Determines if post thumbnail can be displayed. Implementers