Ping support, we had the very same issue. they clicked on something and it just works. It’s a legacy app, that’s the reason
Topic summary
A developer migrated an external app to an embedded Shopify admin app and updated it in the partners dashboard. However, when opening the app from a store’s apps panel, it redirects to a URL containing force_legacy_domain=1, which opens in a new tab instead of embedding properly.
Key Issue:
- The redirect suggests Shopify may still be treating the app as a legacy/old app despite the migration
- The app functions correctly in the first tab but exhibits this redirect behavior on subsequent opens
Suggested Solution:
- Another user experienced the identical issue and resolved it by contacting Shopify support
- Support was able to remove the legacy app designation, after which the app worked correctly
Status: The issue appears to be on Shopify’s side and requires support intervention to update the app’s classification in their system.
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