Major features

Added an optional default language fallback option in configurations using nShift templates. When a default language is set, it will automatically be used if the requested language code in an API call is not configured. If no default language is defined and the requested language code does not match any configured languages, the behavior remains unchanged: an empty response is returned with an error message indicating that the language code is not supported.

Other changes and features

• Added support for merchant addons within Kustom templates, limited to addons that are officially supported by Kustom.

• Operators in configuration rules are now case-insensitive, improving usability and reducing setup errors.

• Improvements to carrier ETA

• Minor bugfixes and improvements