wp-includes/blocks/post-title.php:66Registers the core/post-title block on the server.
function register_block_core_post_title() { register_block_type_from_metadata( __DIR__ . '/post-title', array( 'render_callback' => 'render_block_core_post_title', ) );}Introduced in 5.8.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/blocks/post-title.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.