XSLT: Use the response URL as the base URL

Category: Service Worker
Type: New or changed feature
Status: Enabled by default (Chrome 73)
Intent stage: None

Summary

The base URL of XSLT stylesheets is now the response URL of the stylesheet rather than the request URL. These are only different if a service worker provided the response. If the service worker does respondWith(fetch(url)), the base URL becomes url.

Standards & signals

Specification: https://github.com/whatwg/fetch/pull/146
Firefox: No signal
Safari: No signal
Web developers: No signals
Tracking bug: https://crbug.com/914135

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