update

wp-content/plugins/youtube-feed-pro/inc/Customizer/ShortcodePreviewProvider.php

@@ -0,0 +1,11 @@
+<?php
+
+namespace SmashBalloon\YouTubeFeed\Customizer;
+
+use Smashballoon\Customizer\PreviewProvider;
+
+class ShortcodePreviewProvider implements PreviewProvider {
+	public function render( $attr, $settings ) {
+		return apply_filters( 'sby_render_shortcode', $attr, $settings );
+	}
+}