We contacted Shopify support, but still not get response from them..

This issue happen again in 2022-12-09, we can 100% reproduce that, all our users are hitting this issue.

For the last 20 to 30 days, when creating a cart permalink, checkout query parameters like checkout[shipping_address][country]=HK not getting applied from the Cart to the Checkout for several shopify merchants. When our tech team analyzed the cause f...

We also not seen this issue in recent days. Shopify seems fix this issue in background. But not sure Shopify side really fix it as we found there could be a case that this issue appear again from the past experience.

Hey, we are hitting this issue, beside discount code, all checkout query parameters below not working. did you find solution?