Today the version 4.5.3 of Meta Box plugin is out. This version has a quick fix for cloning fields that doesn’t display well if values contain special characters. The version also uses wp_json_encode function for better compatibility with PHP version.


  • Use wp_json_encode instead of json_encode. Thank Sam Ford.


  • Fix: Escape value for cloneable fields
  • Fix: Notice for missing parameters for rwmb_meta field for map

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