Ticket #58598: 58598.diff

src/wp-includes/class-wp-theme-json-resolver.php

@@ -314 +314 @@
 
                         // Classic themes without a theme.json don't support global duotone.
                         $theme_support_data['settings']['color']['defaultDuotone'] = false;
+
+                        // Allow themes to enable all border settings via theme_support.
+                        if ( current_theme_supports( 'border' ) ) {
+                                $theme_support_data['settings']['border']['color']  = true;
+                                $theme_support_data['settings']['border']['radius'] = true;
+                                $theme_support_data['settings']['border']['style']  = true;
+                                $theme_support_data['settings']['border']['width']  = true;
+                        }
                 }
                 $with_theme_supports = new WP_Theme_JSON( $theme_support_data );
                 $with_theme_supports->merge( static::$theme );