wp-includes/widgets.php:1908Determines whether or not to use the block editor to manage widgets.
boolOne hook fires while wp_use_widgets_block_editor() runs, in this order:
Filters whether to use the block editor to manage widgets.
function wp_use_widgets_block_editor() { /** * Filters whether to use the block editor to manage widgets. * * @since 5.8.0 * * @param bool $use_widgets_block_editor Whether to use the block editor to manage widgets. */ return apply_filters( 'use_widgets_block_editor', get_theme_support( 'widgets-block-editor' ) );}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/widgets.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.