Remove Payment Request User Activation Requirement

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

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

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

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