Shopify Marketplace Connect

Edit: Since shopify acquired the app, I don't think it is developing its function as required as previously, and everytime there is an update to the features which impacts operation, we do not get update.
Probably it is time to find another app to do the same job.

Edit: 19th Aug
Further more issue has been experienced about eBay listing can not be listed properly, getting to a pretty frustrated level that the support can not even provide transparency about progress of the issue getting fixed