wp-includes/author-template.php:117Displays the name of the author who last edited the current post, if the author's ID is available.
function the_modified_author() { echo get_the_modified_author();}Introduced in 2.8.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/author-template.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.