Checkout UI extension wrong responsive on specific placement


Hello,

As you can see in the recording, there is a styling issue with the Checkout UI extension when using the ScrollView component in the first block of the Main section.

Version:
@shopify/ui-extensions”: “2025.7.3”,
@shopify/ui-extensions-react”: “2025.7.3”,
@shopify/cli”: “3.88.1”,

Hey @Chi_n_Nguy_n_Van - thanks for flagging this. Looking into this on our end now - I’ll loop back with you once I have more info :slight_smile:

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Hi again Alan_G, do you have any update on this issue from your end?,

Or I need to update my our checkout UI Extension to the polaris web component version?