wp-includes/blocks/navigation.php:1537Renders the core/navigation block on server.
$attributesarray$contentstring$blockWP_Blockstringfunction render_block_core_navigation( $attributes, $content, $block ) { return WP_Navigation_Block_Renderer::render( $attributes, $content, $block );}Introduced in 5.9.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/blocks/navigation.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.