No need to json_encode, just return your array in square brackets as follow. return [$response];

No need to json_encode, just return your array in square brackets as follow. return [$response];

So template id in email_templates.xml should match the path in system.xml separated by underscores. Woah Magennnnntooooo!!!!

@クジェー Sorry friend, I am not aware of the way of only overriding only a specific function. But since we are mapping the whole js file, I think we need to move everything.

Hi @Ronak, thanks for suggesting this solution. I tried but seems it is not triggering. CollectRates method is not called.

Hi @Anthony, I'm not using Nginx. I'm using Apache on my localhost. Still I renamed nginx.conf.sample to nginx.conf in magento_root and added the script you mentioned (as it is recommended in MFTF documentation as well), but no luck.