not sending cookies even with cookiePartition

[antiworkink]

Expected Behavior

send partitioned cookies

Actual Behavior

doesn't send partitioned cookies

Specifications

• Chromium: 129.0.6668.59
• TM: 5.3.0
• OS: Windows 11

Script

first open https://httpbin.org/response-headers?set-cookie=partitioned=works;path=/;expires=Wed,%2021%20Sep%202033%2015:59:37%20GMT;httponly;secure;samesite=none;partitioned

// ==UserScript==
// @name         xxx
// @namespace    xxx
// @version      xxx
// @description  xxx
// @author       xxx
// @match        https://*/*
// @grant        GM.xmlHttpRequest
// @connect      httpbin.org
// ==/UserScript==
GM.xmlHttpRequest({
  url: 'https://httpbin.org/cookies',
  onload: r=>console.log(r.responseText),
  onerror: console.error,
  cookiePartition: {
      topLevelSite: 'https://httpbin.org'
  }
})

[derjanb]

This is a Chrome bug that should be fixed in Chrome 130.

References: https://groups.google.com/a/chromium.org/g/chromium-extensions/c/WW7y6a-P3FI/m/SGniZKLGAQAJ https://issues.chromium.org/issues/361862746