Should the document.cookie API now be marked as deprecated to encourage all users to switch to CookieStore #11658
Description
What is the issue with the HTML Standard?
As noted in this Chromium issue, synchronous document.cookie API calls are a major source of jank. Our app also experiences significant jank related to document.cookie usage. Given that the CookieStore API is available as an alternative, will the document.cookie API be marked as deprecated or not recommended?