How to resolve the issue where your Shopify domain is "~.myshopify.com" and your sitemap.xml is not retrieved even if you submit it to Google Search Console

If your Shopify domain is ".myshopify.com", it seems that even if you submit your sitemap.xml in Google Search Console, it will not be picked up. In order for search engines to crawl your store properly, it is necessary to publish your store on your own domain.

Search Console Help

[Using Shopify] Even when I submit a sitemap, I get the message "Could not be retrieved."

support.google.com