Block Bindings: Add private HTML API subclass with experimental set_inner_html#7742

sirreal wants to merge 7 commits into

WordPress:trunkWordPress/wordpress-develop:trunkfrom

sirreal:block-bindings/html-api-private-set-inner-htmlsirreal/wordpress-develop:block-bindings/html-api-private-set-inner-htmlCopy head branch name to clipboard