WordPress at a glance
function is not described

render_block_core_shortcode() WP 1.0

Performs wpautop() on the shortcode block content.

No Hooks.

Return

String. Returns the block content.

Usage

render_block_core_shortcode( $attributes, $content );
$attributes(array) (required)
The block attributes.
$content(string) (required)
The block content.

Code of render block core shortcode: wp-includes/blocks/shortcode.php VER 5.1.1

<?php
function render_block_core_shortcode( $attributes, $content ) {
	return wpautop( $content );
}