wp-admin/includes/comment.php:279Adds avatars to relevant places in admin.
$namestringstringfunction floated_admin_avatar( $name ) { $avatar = get_avatar( get_comment(), 32, 'mystery' ); return "$avatar $name";}Introduced in 2.5.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-admin/includes/comment.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.