Remove Payment Request User Activation Requirement

Category: Miscellaneous
Type: No developer-visible change
Status: Enabled by default (Chrome 118)
Intent stage: Start prototyping

Breaking change: No
Enterprise impact: None
Chromium flag: PaymentRequestActivationlessShow
Spec maturity: Unknown status
Web Platform Tests: Yes

WPT details: To be updated: https://wpt.fyi/results/payment-request/show-consume-activation.https.html?label=experimental&label=master&aligned

Summary

To help developers reduce friction in Payment Request flows, we are removing the user activation requirement. Spam and clickjacking mitigations are put in place to mitigate security and privacy risks with this change.

Standards & signals

Specification: https://github.com/w3c/payment-request/pull/1009
Firefox: No signal
Safari: No signal
Web developers: No signals
Tracking bug: https://bugs.chromium.org/p/chromium/issues/detail?id=1454204

Ecosystem

Web Platform Tests: https://wpt.fyi/results/?q=payment-request%2Fshow-consume-activation
Chrome Platform Showcase: https://chrome-platform-showcase.paulkinlan-ea.deno.net/features
GenDN reference: https://gendn.paulkinlan-ea.deno.net/features
chrome.dev demos search: https://www.google.com/search?q=site%3Achrome.dev+Remove%20Payment%20Request%20User%20Activation%20Requirement
MDN Web Docs: https://developer.mozilla.org/en-US/search?q=Remove%20Payment%20Request%20User%20Activation%20Requirement
Baseline status: https://webstatus.dev/?q=Remove%20Payment%20Request%20User%20Activation%20Requirement

Docs: https://docs.google.com/document/d/16DHqqPWe5oM6Rucnn6Y1llhJ-DoEeLtTWFldJFg4iqA/edit#heading=h.w5782xqp7ab4

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