2021-10-26 Changelog

Reader SDK
Point of Sale API
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Version summary

  • Square Version: 2021-10-26
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Reader SDK 1.5.3


This release resolves an issue with Reader SDK 1.5.2 that prevents a new checkout request from starting under certain scenarios.

The following error:

{ "code":"USAGE_ERROR", "debugCode":"checkout_already_presented", "debugMessage":"Square Reader SDK cannot present a checkout controller while another checkout controller is already presented." }

prevented the host device from completing a payment until the device was restarted.