Contact emails
[email protected]

Explainer
https://github.com/w3c/secure-payment-confirmation/issues/343


Specification
https://w3c.github.io/secure-payment-confirmation/#dom-securepaymentconfirmationrequest-locale


Design docs

https://github.com/w3c/secure-payment-confirmation/issues/343


Summary
Updates Secure Payment Confirmation's `locale` data field to return a 
Javascript TypeError if none of the language tags provided in the field match 
the language used by the Secure Payment Confirmation's dialog. If the field is 
not set or empty, this validation is skipped. This helps web developers with 
matching the language of the data that they are supplying to Secure Payment 
Confirmation with the dialog.


Blink component
Blink>Payments


Web Feature ID
secure-payment-confirmation


Motivation
This feature amends Secure Payment Confirmation so that web developers can 
align the language of data elements that they supply to Secure Payment 
Confirmation with the language used by the Secure Payment Confirmation dialog. 
Currently web developers can provide a list of language tags for Secure Payment 
Confirmation to use in their dialog. But Secure Payment Confirmation does not 
use this list because it is not feasible for the browser to support all 
languages and the Secure Payment Confirmation is a browser feature so it should 
use the browser language to be consistent with other browser features. By 
returning an error when none of the language tags provided match Secure Payment 
Confirmation's language, web developers are able to retry with different 
language tags (while updating the language of their supplied data elements) 
until they get a match.


Initial public proposal
https://github.com/w3c/secure-payment-confirmation/issues/343


Search tags
spc


Goals for experimentation
None


Requires code in //chrome?
False


Tracking bug
https://crbug.com/535278878


Launch bug
https://launch.corp.google.com/launch/4489220


Measurement
A new SecurePaymentConfirmation.LocaleOutcome will be created and used to track 
the usage and outcomes (match vs no-match) of the field.


Availability expectation
The locale validation for Secure Payment Confirmation will only be available in 
Chromium browsers for the foreseeable future.


Estimated milestones


Shipping on desktop 154

Shipping on Android 154




Link to entry on the Chrome Platform Status
https://chromestatus.com/feature/5126146013396992?gate=5876423777714176


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