WordPress 4.4 will add native responsive image support by including srcset and sizes attributes to the image markup it generates. For background on this feature, read the merge proposal. How it wor…| Make WordPress Core
Description The Page Link field creates an interactive drop-down to select one or more posts, pages, custom post type items or archive URLs. This field| ACF
Description The User field allows the selection of one or more users. This field type is useful for creating relationships between data objects. It stores| ACF
Description The Link field allows a link to be selected or defined (url, title, target) by using the native WordPress link popup. Screenshots The Link| ACF
Description The Image field allows an image to be uploaded and selected by using the native WordPress media modal. Screenshots The Image field interface| ACF
Description The File field allows a file to be uploaded and selected by using the native WP media popup. Screenshots The File field interface The File| ACF
Gets an HTML img element representing an image attachment.| WordPress Developer Resources
Get access to the powerful Repeater, Flexible Content, Gallery, and Clone field types, as well as Options Pages and ACF Blocks.| ACF