Rubsel

<?php 
add_action( 'after_setup_theme', array( $this, 'boa_setup_gutenberg_colorpalette' ) );
add_action( 'after_setup_theme', array( $this, 'boa_gutenberg_disable_custom_colors' ) );

/**
* Disable the custom color picker.
*/
public function boa_gutenberg_disable_custom_colors() {
	add_theme_support( 'disable-custom-colors' );
}

Rubsel

<?php 

add_filter('acf/settings/load_json', 'parent_theme_acf_load');

function parent_theme_acf_load($paths) {
  // Locate the parent template directory 
  $path = get_template_directory().'/acf-json';
  $paths[] = $path;
  
  return $paths;

Rubsel

<?php 

// Add in contstuctor
add_filter( 'gform_phone_formats', [ $this, 'gf_nl_phone_format' ] );

// Add anywhere in the functions.php
function gf_nl_phone_format( $phone_formats ) {
	$phone_formats['nl'] = array(
		'label'       => 'Nederlands',
		'mask'        => false,

Rubsel

<?php 

function radish_gutenberg_full_width() {
	echo '<style>
		body.gutenberg-editor-page .editor-post-title__block, body.gutenberg-editor-page .editor-default-block-appender, body.gutenberg-editor-page .editor-block-list__block {
			max-width: none !important;
		}
		.block-editor__container .wp-block {
			max-width: none !important;
	}