Information provided Shift4Shop Forum found here

3dcart version 11.0.2
Below are release notes for version 11.02.
  • The following issues have been resolved
    • Random fatal errors on Orders API.
    • Apple Pay button showing on View Cart Page even when store setting "close checkout” is enabled.
We hope you enjoy these and other improvements we're working on for your stores. Thank you for choosing Shift4Shop!