Note: Chrome expects to start the spec-mandated turn down of AppCache in Chrome

85. For details and instructions for managing the transition gracefully, see Preparing for AppCache removal. For information on a feature that will help you identify uses of this and other deprecated APIs, see Know your code health

Deprecations and removals in Chrome 84

@import rules in CSSStyleSheet.replace() removed

The original spec for constructable stylesheets allowed for calls to:

sheet.replace("@import('some.css');")

This use case is being removed. Calls to replace() now throw an exception if @import rules are found in the replaced content.

Intent to Remove | Chrome Platform Status | Chromium Bug

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