+++ This bug was initially created as a clone of Bug #1614988 +++

[coep.https.html]
  expected:
    if (processor == "x86") and not debug: [OK, TIMEOUT]
  [Bonus: window.crossOriginIsolated]
    expected:
      if not nightly_build: FAIL # fixable by adding dom.postMessage.sharedArrayBuffer.withCOOP_COEP:true to __dir__.ini
      if (processor == "x86") and not debug: [PASS, TIMEOUT]

  [Same-origin popup without coep]
    expected:
      if (processor == "x86") and not debug: [PASS, TIMEOUT]

[iframe-popup-same-origin-allow-popups-to-same-origin-allow-popups.https.html]
  expected:
    if os == "mac": ["OK", "TIMEOUT"]
  [same-origin-allow-popups with SAME_SITE iframe opening popup a CROSS_ORIGIN with COOP: same-origin-allow-popups]
    expected:
      if os == "mac": ["PASS", "TIMEOUT"]

[iframe-popup-unsafe-none-to-same-origin.https.html]
  expected:
    if (os == "linux") and debug and not webrender: ["OK", "TIMEOUT"]
  [unsafe-none with SAME_SITE iframe opening popup a CROSS_ORIGIN with COOP: same-origin]
    expected:
      if (os == "linux") and debug and not webrender: ["PASS", "TIMEOUT"]

[popup-coop-by-sw-from-coop.https.html]
  [sw_normal, popup_normal]
    expected: FAIL

  [sw_coop, popup_normal]
    expected: FAIL

[popup-coop-by-sw.https.html]
  [sw_normal, popup_coop]
    expected: FAIL

  [sw_coop, popup_coop]
    expected: FAIL

[popup-same-origin-with-cross-origin.https.html]
  expected:
    if (os == "linux") and debug and webrender and not fission: ["OK", "TIMEOUT"]
  [same-origin document opening popup to https://not-web-platform.test:8443 with COOP: "same-origin"]
    expected:
      if (os == "linux") and debug and webrender and not fission: ["PASS", "TIMEOUT"]

[popup-same-origin-with-same-origin.https.html]
  expected:
    if debug and (os == "linux") and webrender and not fission: ["OK", "TIMEOUT"]
  [same-origin document opening popup to https://web-platform.test:8443 with COOP: "same-origin unsafe-allow-outgoing"]
    expected:
      if debug and (os == "linux") and webrender and not fission: ["PASS", "TIMEOUT"]

The severity field is not set for this bug.
:nhi, could you have a look please?

For more information, please visit auto_nag documentation.

The service worker failures likely depend on bug 1575095.

FWIW, once the only failures remaining are due to structured headers (not the case currently I think) I think we can close this.

https://hg.mozilla.org/mozilla-central/rev/400db4104b94