Service Worker client URL ignore history.pushState changes

Category: Service Worker
Type: Chromium catches up
Status: Enabled by default (Chrome 135)
Intent stage: None

Summary

Modify the service worker Client.url property to ignore document URL changes via history.pushState() and other similar history APIs. The Client.url property is intended to be the creation URL of the HTML document which ignores such changes.

Motivation

Match the spec described behavior implemented by Firefox and Safari to improve compatibility.

Standards & signals

Specification: https://www.w3.org/TR/service-workers/#client-url
Firefox: Shipped/Shipping
Safari: Shipped/Shipping
Web developers: Positive — Web developers have noticed and had to deal with this bug: * https://github.com/w3c/ServiceWorker/issues/1515 * https://issues.chromium.org/issues/41405003
Tracking bug: https://issues.chromium.org/issues/41337436

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