From 812c6de70bf87df2420cdea2d70b745b0c4575a4 Mon Sep 17 00:00:00 2001
From: WPT Sync Bot <josh+wptsync@joshmatthews.net>
Date: Sat, 18 Feb 2023 01:40:20 +0000
Subject: [PATCH] Update web-platform-tests to revision
 b'45fdf45f79582953fb3aa708566cd2c0707cb222'

---
 .../FileAPI/blob/Blob-stream.any.js.ini       |   8 +
 .../FileAPI/url/url-charset.window.js.ini     |   7 -
 .../url/url-in-tags-revoke.window.js.ini      |   2 +-
 tests/wpt/metadata/MANIFEST.json              | 357 ++++++++++++------
 .../block-in-inline-hittest-002.html.ini      |   3 -
 ...block-in-inline-hittest-float-002.html.ini |   3 +
 .../attribute-value-selector-004.xht.ini      |   2 -
 .../hittest-before-pseudo.html.ini            |   3 -
 .../at-font-face-font-matching.html.ini       |  18 +-
 .../transform-scale-hittest.html.ini          |   3 -
 .../properties-value-inherit-002.html.ini     | 150 --------
 .../acos-asin-atan-atan2-computed.html.ini    |   3 +
 .../elementFromPoint-subpixel.html.ini        |   3 +
 ...omPoint-visibility-hidden-resizer.html.ini |   3 -
 .../cssom-view/elementFromPosition.html.ini   |   3 +
 .../elementsFromPoint-invalid-cases.html.ini  |   3 +
 .../css-images.sub.tentative.html.ini         |   3 -
 .../worker-blob-fetch.window.js.ini           |  36 ++
 ...n-fragment-scrolling-cross-origin.html.ini |   2 +-
 .../navigating-across-documents/005.html.ini  |   1 -
 ...c-aboutblank-navigate-immediately.html.ini |   3 +-
 ...eshow-events-iframe-contentWindow.html.ini |   3 +
 .../javascript-url-load-as-html.xhtml.ini     |   4 +
 .../javascript-url-referrer.window.js.ini     |   4 -
 ...tion-unload-cross-origin.sub.window.js.ini |   3 -
 .../replace-before-load/a-click.html.ini      |   3 -
 ...creating_browsing_context_test_01.html.ini |   3 -
 .../canvas.2d.disconnected.html.ini           |   2 +-
 .../update-the-rendering.html.ini             |   3 +-
 ...rame_sandbox_popups_nonescaping-1.html.ini |   1 -
 .../non-active-document.html.ini              |   6 +
 .../textfieldselection/select-event.html.ini  |   3 +
 .../htmlanchorelement_noopener.html.ini       |   3 +-
 .../popover-animated-hide-display.html.ini    |   2 -
 .../popover-animated-hide-finishes.html.ini   |   2 -
 .../popover-animated-show-display.html.ini    |   2 -
 .../popover-animation-corner-cases.html.ini   |  24 --
 .../parsing/DOMContentLoaded-defer.html.ini   |   3 -
 .../document-write/module-delayed.html.ini    |   3 -
 .../module-static-import-delayed.html.ini     |   3 +
 ...ob-entry-different-function-realm.html.ini |  10 +-
 .../url/a-element-origin-xhtml.xhtml.ini      |   3 +
 .../metadata/url/a-element-origin.html.ini    |   3 +
 .../metadata/url/a-element-xhtml.xhtml.ini    |   3 +
 tests/wpt/metadata/url/a-element.html.ini     |   3 +
 .../metadata/url/url-constructor.any.js.ini   |   6 +
 tests/wpt/metadata/url/url-origin.any.js.ini  |   8 +
 .../exception/basic.tentative.any.js.ini      |  23 --
 .../webmessaging/with-ports/017.html.ini      |   4 -
 .../mozilla/meta/mozilla/scrollBy.html.ini    |   3 +
 .../FileAPI/blob/Blob-stream.any.js           |  18 +-
 .../fixedpos-with-iframe-print-ref.html       |  10 +
 .../css-break/fixedpos-with-iframe-print.html |  12 +
 ...y.tentative.html => overflow-overlay.html} |   8 +-
 ...position-sticky-fractional-offset-ref.html |  40 ++
 .../position-sticky-fractional-offset.html    |  80 ++++
 .../acos-asin-atan-atan2-computed.html        |   2 +-
 .../css/css-values/minmax-angle-computed.html |  10 +-
 .../iframe-new-has-scrollbar-ref.html         |  19 +
 .../iframe-new-has-scrollbar.html             |  37 ++
 .../iframe-old-has-scrollbar-ref.html         |  19 +
 .../iframe-old-has-scrollbar.html             |  36 ++
 .../support/dialog-in-rtl-iframe-child.html   |   2 +
 .../support/iframe-scrollbar-child.html       |  44 +++
 .../docs/running-tests/from-local-system.md   |   2 +-
 .../resources/support.sub.js                  |  17 +
 .../resources/worker-blob-fetcher.html        |  45 +++
 .../worker-blob-fetch.window.js               | 143 +++++++
 .../popover-anchor-change-display.html        |   3 +-
 .../popovers/popover-anchor-display-none.html |   3 +-
 .../popovers/popover-anchor-display.html      |   3 +-
 .../popovers/popover-anchor-idl-property.html |   3 +-
 .../popover-anchor-nested-display-ref.html    |   3 +-
 .../popover-anchor-nested-display.html        |   3 +-
 .../popovers/popover-anchor-nesting.html      |   3 +-
 .../popover-anchor-scroll-display.html        |   3 +-
 .../popover-animated-display-ref.html         |  26 --
 .../popover-animated-hide-cleanup.html        |  98 -----
 .../popover-animated-hide-display.html        |  57 ---
 .../popover-animated-hide-finishes-ref.html   |  16 -
 .../popover-animated-hide-finishes.html       |  56 ---
 .../popover-animated-show-display.html        |  52 ---
 .../popover-animation-corner-cases.html       | 230 -----------
 .../popovers/popover-appearance.html          |   3 +-
 .../popovers/popover-attribute-basic.html     |  36 +-
 .../popovers/popover-backdrop-appearance.html |   3 +-
 .../popover-beforetoggle-opening-event.html   |   3 +-
 .../popovers/popover-dialog-appearance.html   |   3 +-
 .../popovers/popover-dialog-crash.html        |   3 +-
 .../popovers/popover-document-open.html       |   3 +-
 .../semantics/popovers/popover-events.html    |  12 +-
 .../semantics/popovers/popover-focus.html     |  42 +--
 .../popovers/popover-hidden-display.html      |   3 +-
 .../popovers/popover-inside-display-none.html |   3 +-
 .../popovers/popover-invoking-attribute.html  |   3 +-
 .../popover-light-dismiss-on-scroll.html      |   3 +-
 .../popovers/popover-manual-crash.html        |   3 +-
 .../popover-not-keyboard-focusable.html       |   3 +-
 .../popovers/popover-open-display.html        |   3 +-
 .../popover-open-overflow-display.html        |   3 +-
 .../semantics/popovers/popover-removal-2.html |   3 +-
 .../semantics/popovers/popover-removal.html   |   3 +-
 .../popovers/popover-shadow-dom.html          |   3 +-
 .../popovers/popover-stacking-context.html    |   3 +-
 .../semantics/popovers/popover-stacking.html  |   3 +-
 .../popover-top-layer-combinations.html       |   3 +-
 .../popover-top-layer-interactions.html       |   7 +-
 .../popovers/toggleevent-interface.html       |   3 +-
 .../navigate-history-back-after-fragment.html |   2 +-
 ...navigate-history-back-after-pushState.html |   2 +-
 ...vigate-navigation-back-cross-document.html |   3 +
 ...vigation-back-same-document-in-iframe.html |  33 ++
 ...avigate-navigation-back-same-document.html |   2 +-
 ...on-back-cross-document-preventDefault.html |  33 ++
 ...ion-back-same-document-preventDefault.html |  26 ++
 ...n-iframe-same-document-preventDefault.html |  47 +++
 ...nd-same-doc-child-and-cross-doc-child.html |  49 +++
 ...ument-preventDefault-multiple-windows.html |  23 ++
 ...seTo-top-cancels-cross-document-child.html |  26 ++
 ...-between-navigate-and-navigatesuccess.html |  12 +-
 .../resources/chromium/webusb-test.js         |   2 +-
 .../main-frame-navigation.https.html          |  39 ++
 .../resources/main-frame-navigation.html      |  84 +++++
 .../url/resources/urltestdata.json            |  25 ++
 .../jsapi/exception/basic.tentative.any.js    |  16 +-
 125 files changed, 1400 insertions(+), 1046 deletions(-)
 create mode 100644 tests/wpt/metadata/FileAPI/blob/Blob-stream.any.js.ini
 delete mode 100644 tests/wpt/metadata/FileAPI/url/url-charset.window.js.ini
 create mode 100644 tests/wpt/metadata/css/CSS2/normal-flow/block-in-inline-hittest-float-002.html.ini
 delete mode 100644 tests/wpt/metadata/css/CSS2/selectors/attribute-value-selector-004.xht.ini
 delete mode 100644 tests/wpt/metadata/css/css-flexbox/hittest-before-pseudo.html.ini
 create mode 100644 tests/wpt/metadata/css/cssom-view/elementFromPoint-subpixel.html.ini
 delete mode 100644 tests/wpt/metadata/css/cssom-view/elementFromPoint-visibility-hidden-resizer.html.ini
 create mode 100644 tests/wpt/metadata/css/cssom-view/elementsFromPoint-invalid-cases.html.ini
 create mode 100644 tests/wpt/metadata/fetch/private-network-access/worker-blob-fetch.window.js.ini
 create mode 100644 tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/javascript-url-load-as-html.xhtml.ini
 delete mode 100644 tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/navigation-unload-cross-origin.sub.window.js.ini
 delete mode 100644 tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/replace-before-load/a-click.html.ini
 delete mode 100644 tests/wpt/metadata/html/browsers/the-window-object/open-close/creating_browsing_context_test_01.html.ini
 create mode 100644 tests/wpt/metadata/html/semantics/forms/textfieldselection/select-event.html.ini
 delete mode 100644 tests/wpt/metadata/html/semantics/popovers/popover-animated-hide-display.html.ini
 delete mode 100644 tests/wpt/metadata/html/semantics/popovers/popover-animated-hide-finishes.html.ini
 delete mode 100644 tests/wpt/metadata/html/semantics/popovers/popover-animated-show-display.html.ini
 delete mode 100644 tests/wpt/metadata/html/semantics/popovers/popover-animation-corner-cases.html.ini
 delete mode 100644 tests/wpt/metadata/html/syntax/parsing/DOMContentLoaded-defer.html.ini
 delete mode 100644 tests/wpt/metadata/html/webappapis/dynamic-markup-insertion/document-write/module-delayed.html.ini
 create mode 100644 tests/wpt/metadata/html/webappapis/dynamic-markup-insertion/document-write/module-static-import-delayed.html.ini
 create mode 100644 tests/wpt/metadata/url/a-element-origin-xhtml.xhtml.ini
 create mode 100644 tests/wpt/metadata/url/a-element-origin.html.ini
 create mode 100644 tests/wpt/metadata/url/url-origin.any.js.ini
 delete mode 100644 tests/wpt/metadata/webmessaging/with-ports/017.html.ini
 create mode 100644 tests/wpt/mozilla/meta/mozilla/scrollBy.html.ini
 create mode 100644 tests/wpt/web-platform-tests/css/css-break/fixedpos-with-iframe-print-ref.html
 create mode 100644 tests/wpt/web-platform-tests/css/css-break/fixedpos-with-iframe-print.html
 rename tests/wpt/web-platform-tests/css/css-overflow/{overflow-overlay.tentative.html => overflow-overlay.html} (90%)
 create mode 100644 tests/wpt/web-platform-tests/css/css-position/sticky/position-sticky-fractional-offset-ref.html
 create mode 100644 tests/wpt/web-platform-tests/css/css-position/sticky/position-sticky-fractional-offset.html
 create mode 100644 tests/wpt/web-platform-tests/css/css-view-transitions/iframe-new-has-scrollbar-ref.html
 create mode 100644 tests/wpt/web-platform-tests/css/css-view-transitions/iframe-new-has-scrollbar.html
 create mode 100644 tests/wpt/web-platform-tests/css/css-view-transitions/iframe-old-has-scrollbar-ref.html
 create mode 100644 tests/wpt/web-platform-tests/css/css-view-transitions/iframe-old-has-scrollbar.html
 create mode 100644 tests/wpt/web-platform-tests/css/css-view-transitions/support/iframe-scrollbar-child.html
 create mode 100644 tests/wpt/web-platform-tests/fetch/private-network-access/resources/worker-blob-fetcher.html
 create mode 100644 tests/wpt/web-platform-tests/fetch/private-network-access/worker-blob-fetch.window.js
 delete mode 100644 tests/wpt/web-platform-tests/html/semantics/popovers/popover-animated-display-ref.html
 delete mode 100644 tests/wpt/web-platform-tests/html/semantics/popovers/popover-animated-hide-cleanup.html
 delete mode 100644 tests/wpt/web-platform-tests/html/semantics/popovers/popover-animated-hide-display.html
 delete mode 100644 tests/wpt/web-platform-tests/html/semantics/popovers/popover-animated-hide-finishes-ref.html
 delete mode 100644 tests/wpt/web-platform-tests/html/semantics/popovers/popover-animated-hide-finishes.html
 delete mode 100644 tests/wpt/web-platform-tests/html/semantics/popovers/popover-animated-show-display.html
 delete mode 100644 tests/wpt/web-platform-tests/html/semantics/popovers/popover-animation-corner-cases.html
 create mode 100644 tests/wpt/web-platform-tests/navigation-api/navigate-event/navigate-navigation-back-same-document-in-iframe.html
 create mode 100644 tests/wpt/web-platform-tests/navigation-api/navigate-event/navigation-back-cross-document-preventDefault.html
 create mode 100644 tests/wpt/web-platform-tests/navigation-api/navigate-event/navigation-back-same-document-preventDefault.html
 create mode 100644 tests/wpt/web-platform-tests/navigation-api/navigate-event/navigation-traverseTo-in-iframe-same-document-preventDefault.html
 create mode 100644 tests/wpt/web-platform-tests/navigation-api/navigate-event/navigation-traverseTo-navigates-top-and-same-doc-child-and-cross-doc-child.html
 create mode 100644 tests/wpt/web-platform-tests/navigation-api/navigate-event/navigation-traverseTo-same-document-preventDefault-multiple-windows.html
 create mode 100644 tests/wpt/web-platform-tests/navigation-api/navigate-event/navigation-traverseTo-top-cancels-cross-document-child.html
 create mode 100644 tests/wpt/web-platform-tests/speculation-rules/prerender/main-frame-navigation.https.html
 create mode 100644 tests/wpt/web-platform-tests/speculation-rules/prerender/resources/main-frame-navigation.html

diff --git a/tests/wpt/metadata/FileAPI/blob/Blob-stream.any.js.ini b/tests/wpt/metadata/FileAPI/blob/Blob-stream.any.js.ini
new file mode 100644
index 00000000000..39510c30813
--- /dev/null
+++ b/tests/wpt/metadata/FileAPI/blob/Blob-stream.any.js.ini
@@ -0,0 +1,8 @@
+[Blob-stream.any.html]
+  [Reading Blob.stream() with BYOB reader]
+    expected: FAIL
+
+
+[Blob-stream.any.worker.html]
+  [Reading Blob.stream() with BYOB reader]
+    expected: FAIL
diff --git a/tests/wpt/metadata/FileAPI/url/url-charset.window.js.ini b/tests/wpt/metadata/FileAPI/url/url-charset.window.js.ini
deleted file mode 100644
index 33fc78f48d9..00000000000
--- a/tests/wpt/metadata/FileAPI/url/url-charset.window.js.ini
+++ /dev/null
@@ -1,7 +0,0 @@
-[url-charset.window.html]
-  expected: TIMEOUT
-  [Blob charset should override any auto-detected charset.]
-    expected: TIMEOUT
-
-  [Blob charset should override <meta charset>.]
-    expected: TIMEOUT
diff --git a/tests/wpt/metadata/FileAPI/url/url-in-tags-revoke.window.js.ini b/tests/wpt/metadata/FileAPI/url/url-in-tags-revoke.window.js.ini
index cdeaf7f7080..282ab0b2525 100644
--- a/tests/wpt/metadata/FileAPI/url/url-in-tags-revoke.window.js.ini
+++ b/tests/wpt/metadata/FileAPI/url/url-in-tags-revoke.window.js.ini
@@ -7,7 +7,7 @@
     expected: FAIL
 
   [Opening a blob URL in a new window immediately before revoking it works.]
-    expected: TIMEOUT
+    expected: FAIL
 
   [Opening a blob URL in a noopener about:blank window immediately before revoking it works.]
     expected: TIMEOUT
diff --git a/tests/wpt/metadata/MANIFEST.json b/tests/wpt/metadata/MANIFEST.json
index f20ff3f8d43..e67d5679f89 100644
--- a/tests/wpt/metadata/MANIFEST.json
+++ b/tests/wpt/metadata/MANIFEST.json
@@ -5282,14 +5282,14 @@
      },
      "popovers": {
       "popover-dialog-crash.html": [
-       "76f51b8a5ed81099ad51bb704b4567579e8c8b07",
+       "e7579d5a3869958422fc07422fbb84124c8c635a",
        [
         null,
         {}
        ]
       ],
       "popover-manual-crash.html": [
-       "d721f7c731e0d2c5a9e6c9ab79a5a450345a4874",
+       "535eb4c7d120186f620c376a149158900721fe12",
        [
         null,
         {}
@@ -28636,6 +28636,19 @@
        {}
       ]
      ],
+     "fixedpos-with-iframe-print.html": [
+      "5102d045c4202e4bc22c6c876fd3bbbcf620c4b0",
+      [
+       null,
+       [
+        [
+         "/css/css-break/fixedpos-with-iframe-print-ref.html",
+         "=="
+        ]
+       ],
+       {}
+      ]
+     ],
      "fixedpos-with-link-with-inline-child-print.html": [
       "694e5376cbfab7ee52c1f27b9bf0fd23a2a91375",
       [
@@ -208348,8 +208361,8 @@
        {}
       ]
      ],
-     "overflow-overlay.tentative.html": [
-      "e3cb8d7180e4bc5ddb84506e401c0b8c90d81470",
+     "overflow-overlay.html": [
+      "0e8ff093b03aa4dd9a78900d6f615590ec510fa7",
       [
        null,
        [
@@ -212754,6 +212767,19 @@
         {}
        ]
       ],
+      "position-sticky-fractional-offset.html": [
+       "79c29f4e87bf7c14572e51757c258945eb0c8c6e",
+       [
+        null,
+        [
+         [
+          "/css/css-position/sticky/position-sticky-fractional-offset-ref.html",
+          "=="
+         ]
+        ],
+        {}
+       ]
+      ],
       "position-sticky-grid.html": [
        "607e7c2936246c192e04c8d3673321c0a54cda3c",
        [
@@ -276424,6 +276450,72 @@
        {}
       ]
      ],
+     "iframe-new-has-scrollbar.html": [
+      "bed16754f6b163b6bb55c2d2504c733113764c00",
+      [
+       null,
+       [
+        [
+         "/css/css-view-transitions/iframe-new-has-scrollbar-ref.html",
+         "=="
+        ]
+       ],
+       {
+        "fuzzy": [
+         [
+          [
+           "/css/css-view-transitions/iframe-new-has-scrollbar.html",
+           "/css/css-view-transitions/iframe-new-has-scrollbar-ref.html",
+           "=="
+          ],
+          [
+           [
+            0,
+            80
+           ],
+           [
+            0,
+            500
+           ]
+          ]
+         ]
+        ]
+       }
+      ]
+     ],
+     "iframe-old-has-scrollbar.html": [
+      "9dfa4adf7ac34ff85bfd19951060152a9a3da962",
+      [
+       null,
+       [
+        [
+         "/css/css-view-transitions/iframe-old-has-scrollbar-ref.html",
+         "=="
+        ]
+       ],
+       {
+        "fuzzy": [
+         [
+          [
+           "/css/css-view-transitions/iframe-old-has-scrollbar.html",
+           "/css/css-view-transitions/iframe-old-has-scrollbar-ref.html",
+           "=="
+          ],
+          [
+           [
+            0,
+            80
+           ],
+           [
+            0,
+            500
+           ]
+          ]
+         ]
+        ]
+       }
+      ]
+     ],
      "iframe-transition.sub.html": [
       "93a5cbed66eb0efac3c68fbed699984556e362b4",
       [
@@ -309051,7 +309143,7 @@
      },
      "popovers": {
       "popover-anchor-change-display.html": [
-       "a80377441b03f212e2cb8ad95c5f65528908ab02",
+       "435929a6c1b05adc811fe8df029f2a30e2e79cf3",
        [
         null,
         [
@@ -309064,7 +309156,7 @@
        ]
       ],
       "popover-anchor-display.html": [
-       "23d50df7634b47c034b6b625b27cb7b89dfcb99d",
+       "d50dd6c857b24f5e75e979d6356151e5cf7b65c8",
        [
         null,
         [
@@ -309077,7 +309169,7 @@
        ]
       ],
       "popover-anchor-nested-display.html": [
-       "426c0fcb85542870e7fcfecdf228e56e73957e2c",
+       "4b83d9677b978cc2f2c373e671a956042dd159af",
        [
         null,
         [
@@ -309090,7 +309182,7 @@
        ]
       ],
       "popover-anchor-scroll-display.html": [
-       "85a05323784ab604aa4008fdec7db57841c3924c",
+       "9a14b44f04994cd6552862f16d94632d814fb45a",
        [
         null,
         [
@@ -309102,47 +309194,8 @@
         {}
        ]
       ],
-      "popover-animated-hide-display.html": [
-       "b914d80e69aefa5296960a1ed3d96073e1a08af2",
-       [
-        null,
-        [
-         [
-          "/html/semantics/popovers/popover-animated-display-ref.html",
-          "=="
-         ]
-        ],
-        {}
-       ]
-      ],
-      "popover-animated-hide-finishes.html": [
-       "1af583b5a8315d7005a56b4eff8a76af93414b16",
-       [
-        null,
-        [
-         [
-          "/html/semantics/popovers/popover-animated-hide-finishes-ref.html",
-          "=="
-         ]
-        ],
-        {}
-       ]
-      ],
-      "popover-animated-show-display.html": [
-       "6857103a759b2c222c424227d0977330d320b22a",
-       [
-        null,
-        [
-         [
-          "/html/semantics/popovers/popover-animated-display-ref.html",
-          "=="
-         ]
-        ],
-        {}
-       ]
-      ],
       "popover-appearance.html": [
-       "87cc4ba3fc89e36b5c412bdecb7a229835c712ca",
+       "e9050bdeb9ddc2215bb91d0fc5c7cd6bf6c83365",
        [
         null,
         [
@@ -309155,7 +309208,7 @@
        ]
       ],
       "popover-backdrop-appearance.html": [
-       "4c5c0acec992249c44f53c76725b30a4d4148c38",
+       "c71e148644b0edb5064b46a01debb37945913818",
        [
         null,
         [
@@ -309168,7 +309221,7 @@
        ]
       ],
       "popover-dialog-appearance.html": [
-       "02b34bfc67555930a2bb0a182ef09d34c9800f23",
+       "8b4edadee9e127355b0e14cbabeb65b30020c5c0",
        [
         null,
         [
@@ -309181,7 +309234,7 @@
        ]
       ],
       "popover-hidden-display.html": [
-       "35fea3e94c67bfc7cd71a54c8f8a98e99561d865",
+       "936c57fc17e52c7ad373c7ccb2d681d7de330a2f",
        [
         null,
         [
@@ -309210,7 +309263,7 @@
        ]
       ],
       "popover-inside-display-none.html": [
-       "3ccb885b81a75b899ac3433101e0822945346364",
+       "a25cf14d1ce039a88188cf3c637523ece926bf3a",
        [
         null,
         [
@@ -309223,7 +309276,7 @@
        ]
       ],
       "popover-open-display.html": [
-       "ca57a6259966c13837e8c3d116db1538341d6c4c",
+       "bc4d16fe80f9dad5ca27b5646db2740ac3dfa652",
        [
         null,
         [
@@ -309236,7 +309289,7 @@
        ]
       ],
       "popover-open-overflow-display.html": [
-       "7fc96411c22f3ec926ab5022d246cb1a3defee70",
+       "3d4d833063877ce1a9a3338d534709f94bdcdd77",
        [
         null,
         [
@@ -309249,7 +309302,7 @@
        ]
       ],
       "popover-stacking-context.html": [
-       "1a9e829250535a3de87239d43fe8c4a4733b3ba9",
+       "ba4e85a89785cc158b2d4768ad6382c648b544f4",
        [
         null,
         [
@@ -366462,6 +366515,10 @@
       "000c05350b54885c47ea74a7336e02ed857d55ea",
       []
      ],
+     "fixedpos-with-iframe-print-ref.html": [
+      "5c1714045083dfc22272b0522273e7a7235cde6f",
+      []
+     ],
      "fixedpos-with-link-with-inline-child-print-ref.html": [
       "f12d31acd9d077a24a4ba47bcdbb5b2a3029faf3",
       []
@@ -385727,6 +385784,10 @@
        "b78c784de185918d8939075fb46eca7ad48b6fde",
        []
       ],
+      "position-sticky-fractional-offset-ref.html": [
+       "8b7a1f8a195843b2b943e39813b5e24781955b8d",
+       []
+      ],
       "position-sticky-grid-ref.html": [
        "123eed311b0d293fbe4265ad641576f4fc83fd9f",
        []
@@ -397026,6 +397087,14 @@
       "bca532b22c6a777108fd7a1ea7b811a73f7cdb17",
       []
      ],
+     "iframe-new-has-scrollbar-ref.html": [
+      "ea895e84848be70644dbb0b3b62b363d05d0319f",
+      []
+     ],
+     "iframe-old-has-scrollbar-ref.html": [
+      "3bb9bdb88d27b10d7e421eaf32389380642b1d61",
+      []
+     ],
      "iframe-transition-ref.html": [
       "49394f35f6c4f6c7d6c25e9f4fd61154a708904f",
       []
@@ -397244,13 +397313,17 @@
      ],
      "support": {
       "dialog-in-rtl-iframe-child.html": [
-       "f1b3f021cbc19af6757d0a0b46a4971048d35dcc",
+       "7b40a8fd5b614e18c27e3ba53754274edb7ec896",
        []
       ],
       "frame-helper.html": [
        "3d2e7b52d078d640602a15b97e54dd62981cb83d",
        []
       ],
+      "iframe-scrollbar-child.html": [
+       "dfd0fb40d926a358979e9db23f6de11249d277fc",
+       []
+      ],
       "transition-in-empty-iframe-child.html": [
        "4eca06a0a943338efd9835e4c2f86b0eff3fce7a",
        []
@@ -402549,7 +402622,7 @@
       []
      ],
      "from-local-system.md": [
-      "77f4799fb247d39fd291222d1164bc7548ccbcb2",
+      "f47396acc3c683ba6e074906e3cd835a780cc777",
       []
      ],
      "from-web.md": [
@@ -406700,7 +406773,11 @@
        []
       ],
       "support.sub.js": [
-       "8ffdf100ee8d81f75c923dc712e2e87e52ab3ce7",
+       "a104021d158d93288ae5ad5e3f1674d304b0e875",
+       []
+      ],
+      "worker-blob-fetcher.html": [
+       "18a454b7fa3628838da1d0d5cca0f6a61758c770",
        []
       ],
       "worker-fetcher.html": [
@@ -419926,21 +420003,13 @@
        []
       ],
       "popover-anchor-nested-display-ref.html": [
-       "17311f218b24d49fd72dd8c9e330efb13de43990",
+       "9942b41e365d98bb6115a57c234d755984474feb",
        []
       ],
       "popover-anchor-scroll-display-ref.html": [
        "1bac806d11191823bdcf87b61693b00c7d507450",
        []
       ],
-      "popover-animated-display-ref.html": [
-       "477a97c12ccd9dc8f6a5427c7d85449e96d8f3ff",
-       []
-      ],
-      "popover-animated-hide-finishes-ref.html": [
-       "d8334f985ed51f3277d069838132876d8aad2ffc",
-       []
-      ],
       "popover-appearance-ref.html": [
        "7ceca94559b8d425c10243f61b038d6c8422a02b",
        []
@@ -432223,7 +432292,7 @@
       []
      ],
      "webusb-test.js": [
-      "fc322bd4736b544d694582a3cbde403d01aea341",
+      "94ff1bcadd913d6b12e4d84d64ac34ef82f2e328",
       []
      ],
      "webusb-test.js.headers": [
@@ -436403,6 +436472,10 @@
        "1ab609f11bf2be22696f0b132b88d8fc86546b93",
        []
       ],
+      "main-frame-navigation.html": [
+       "8781edef6670b48bf17cf644b5623f08bfca0fdb",
+       []
+      ],
       "media-autoplay-attribute.html": [
        "ebef5b725df828c7f8bb36470139d7480199d543",
        []
@@ -448387,7 +448460,7 @@
       []
      ],
      "urltestdata.json": [
-      "0265346a6a62d437cb9e94e55bd93369d92544fa",
+      "94d41c0cb0d270da1493774e4fd3de579ddfe30a",
       []
      ]
     },
@@ -456088,7 +456161,7 @@
       ]
      ],
      "Blob-stream.any.js": [
-      "8f1d5c555aded300e240bf7873ce415cc51785d8",
+      "87710a171a9752416f47596f59d2dc6313d9bd34",
       [
        "FileAPI/blob/Blob-stream.any.html",
        {
@@ -516928,7 +517001,7 @@
       ]
      ],
      "acos-asin-atan-atan2-computed.html": [
-      "2835e7a20abc917e111d22a9b04fca17493b4793",
+      "dc8ecce621d69f950846219f698dbe477cb14833",
       [
        null,
        {}
@@ -517287,7 +517360,7 @@
       ]
      ],
      "minmax-angle-computed.html": [
-      "c0218a0899e6f9ee991a3645293895b924a895ed",
+      "2c14aa65763154ddc8093dd6d2a450212df619f7",
       [
        null,
        {}
@@ -558087,6 +558160,24 @@
        }
       ]
      ],
+     "worker-blob-fetch.window.js": [
+      "80374143a283f42723a48159a72dd1bd715d6ba2",
+      [
+       "fetch/private-network-access/worker-blob-fetch.window.html",
+       {
+        "script_metadata": [
+         [
+          "script",
+          "/common/utils.js"
+         ],
+         [
+          "script",
+          "resources/support.sub.js"
+         ]
+        ]
+       }
+      ]
+     ],
      "worker-fetch.https.window.js": [
       "89e0c3cf1f35f0cf741957c3eb0bff38a4705d93",
       [
@@ -604277,14 +604368,14 @@
        ]
       ],
       "popover-anchor-display-none.html": [
-       "a4285607fd30360545e1364b450443af1cca1fbe",
+       "55a11fafdb5901ad2f409595107d1d8c587d4979",
        [
         null,
         {}
        ]
       ],
       "popover-anchor-idl-property.html": [
-       "bc9f3ae770d2daded1b7f087a5d56436b578cb36",
+       "37c79efe1cafe45012627e8b56ab638eaf3c2b95",
        [
         null,
         {}
@@ -604298,7 +604389,7 @@
        ]
       ],
       "popover-anchor-nesting.html": [
-       "7490d75dc09c750c028f75ac0e5660b3b99084e1",
+       "e3e712b937ab9c4aabbf595eddf45180f4fd9d34",
        [
         null,
         {
@@ -604306,24 +604397,8 @@
         }
        ]
       ],
-      "popover-animated-hide-cleanup.html": [
-       "9310acc4ff209807a36b75c543edad64f4318f39",
-       [
-        null,
-        {
-         "testdriver": true
-        }
-       ]
-      ],
-      "popover-animation-corner-cases.html": [
-       "f41f7a68df9058dee90de4ece70b753a801d6a49",
-       [
-        null,
-        {}
-       ]
-      ],
       "popover-attribute-basic.html": [
-       "bc32c357d3a5503564282a4e3a7260fcd0ae6458",
+       "0abba9c4e87f7a72bc2d54f816851b2228e75d5b",
        [
         null,
         {
@@ -604333,21 +604408,21 @@
        ]
       ],
       "popover-beforetoggle-opening-event.html": [
-       "b2c3fa5d68bf051e2faf5d83e765de1ed42397b6",
+       "e3597d1c69936435c99c18f8ec8b05c50a4a0149",
        [
         null,
         {}
        ]
       ],
       "popover-document-open.html": [
-       "429fd89d3ba68d9588b66e696095e5007eaccc9a",
+       "db43fd02b92f062f925c0beea13e1a5faab2427f",
        [
         null,
         {}
        ]
       ],
       "popover-events.html": [
-       "b299424570024c81238ae076fdacbfa2badc83b4",
+       "1ccd9967c5c9df25ae7995c19c055fdf2a37b82b",
        [
         null,
         {}
@@ -604370,7 +604445,7 @@
        ]
       ],
       "popover-focus.html": [
-       "b1e59a13971c7be224663ef3d1161ee83c0527ed",
+       "307ca8a80f553ce31d5cbf1666ddacf63641cdaf",
        [
         null,
         {
@@ -604380,7 +604455,7 @@
        ]
       ],
       "popover-invoking-attribute.html": [
-       "b49bb4e4a34ced3b30abe1e2bee14ba5c17cff1e",
+       "d0098d32738d84cc43a8c91f0f5342671f2d2e10",
        [
         null,
         {
@@ -604390,7 +604465,7 @@
        ]
       ],
       "popover-light-dismiss-on-scroll.html": [
-       "73b3a2d6193bc6f5a120a583a7a7e6169a34487f",
+       "a4bb4b452b0d4adde4cbd37e7045aac1004bcf94",
        [
         null,
         {}
@@ -604407,7 +604482,7 @@
        ]
       ],
       "popover-not-keyboard-focusable.html": [
-       "815ae04ebb4024e84ced328b2d5541734e787cd5",
+       "cd0b60c3ce65df77e75b67dff9d4af2070f4f395",
        [
         null,
         {
@@ -604416,28 +604491,28 @@
        ]
       ],
       "popover-removal-2.html": [
-       "b7b185d58d53f5cb84516e7bb2b98746221a7c6e",
+       "e84124d8bef326efe968ccdebd2717a0eae20d21",
        [
         null,
         {}
        ]
       ],
       "popover-removal.html": [
-       "aeed3b678db06b9e351b634f654f93829141d8c4",
+       "e6ad5d9c004858b407228238bcdb5b2d4f1efd8b",
        [
         null,
         {}
        ]
       ],
       "popover-shadow-dom.html": [
-       "72bbe1e8933cfa0fa189b69a41be5d5a47d0716b",
+       "44ded952b702f3d7729eae333719dd0d471c742f",
        [
         null,
         {}
        ]
       ],
       "popover-stacking.html": [
-       "dc07c1c208473cc96ba0e63d1369f17b01f503df",
+       "bdd6feb20eead682790d1e3814272f3f1a384aa4",
        [
         null,
         {}
@@ -604451,7 +604526,7 @@
        ]
       ],
       "popover-top-layer-combinations.html": [
-       "001bf88a25ef851e6607dc6e0ba7a7cf3b8cf4f8",
+       "c8e4211ef5c1358a5f611442513ada939e4b7022",
        [
         null,
         {
@@ -604460,7 +604535,7 @@
        ]
       ],
       "popover-top-layer-interactions.html": [
-       "50a21be7f7723e9010cfc1f5e6548a231ff3e8dd",
+       "6ef6938810b8532b78f7fbfc905b8f84c1300df9",
        [
         null,
         {
@@ -604476,7 +604551,7 @@
        ]
       ],
       "toggleevent-interface.html": [
-       "45709458b00c466805c63d1bc4530d37677718a9",
+       "09ce3f3b5674860f22d255c428aab9a0b63ae072",
        [
         null,
         {}
@@ -624907,14 +624982,14 @@
       ]
      ],
      "navigate-history-back-after-fragment.html": [
-      "976754f28a885e77ea08d31fc32f682966bc0999",
+      "57a30c85b8700b1e86f577bed1008b16271acbb2",
       [
        null,
        {}
       ]
      ],
      "navigate-history-back-after-pushState.html": [
-      "4d870fb2ae6d0a66ded888e2dbc7bea37e106980",
+      "bf2e6e4e300e96c684d467c40a7b3ad796b5018c",
       [
        null,
        {}
@@ -624977,14 +625052,21 @@
       ]
      ],
      "navigate-navigation-back-cross-document.html": [
-      "214644066e1d120e1ee516a050a40cec3dad2134",
+      "2e1adbeee93ee082a7d9f7e008a5f863e0fc0c50",
+      [
+       null,
+       {}
+      ]
+     ],
+     "navigate-navigation-back-same-document-in-iframe.html": [
+      "cebd2f3693c9d8f0845b78ac0a26e53e164f2628",
       [
        null,
        {}
       ]
      ],
      "navigate-navigation-back-same-document.html": [
-      "8753e6b1c86bab8b3388f5730d2f2a54eca8b472",
+      "431d38449c3dff316911bd17b7260f164160f20b",
       [
        null,
        {}
@@ -625039,6 +625121,48 @@
        {}
       ]
      ],
+     "navigation-back-cross-document-preventDefault.html": [
+      "0b5b750876d7775d352d6471f118d882a259669f",
+      [
+       null,
+       {}
+      ]
+     ],
+     "navigation-back-same-document-preventDefault.html": [
+      "7edb188823352694caf70101f126135142e7dd28",
+      [
+       null,
+       {}
+      ]
+     ],
+     "navigation-traverseTo-in-iframe-same-document-preventDefault.html": [
+      "d68b11fa7ccae6a3dc6287150cf25fe8d96d93cf",
+      [
+       null,
+       {}
+      ]
+     ],
+     "navigation-traverseTo-navigates-top-and-same-doc-child-and-cross-doc-child.html": [
+      "31cb54fca2a4d5e06f3bab4330b77d7a87f78fb6",
+      [
+       null,
+       {}
+      ]
+     ],
+     "navigation-traverseTo-same-document-preventDefault-multiple-windows.html": [
+      "9bb64fb7cc7a7dd5e007021039616b44da56cdd3",
+      [
+       null,
+       {}
+      ]
+     ],
+     "navigation-traverseTo-top-cancels-cross-document-child.html": [
+      "11f07afefc5236efc12efc341f9b85da3c0b6c9f",
+      [
+       null,
+       {}
+      ]
+     ],
      "same-url-replace-cross-document.html": [
       "0a976cd51fdcb3205d2a71cc9dc1a9853e417eee",
       [
@@ -626068,7 +626192,7 @@
       ]
      ],
      "traverseTo-detach-between-navigate-and-navigatesuccess.html": [
-      "a0a291888786119427dcf544c8a84fce86fa0822",
+      "43bde9a103bc13fd1cb88320da1fb60df0de0fa5",
       [
        null,
        {}
@@ -658195,6 +658319,15 @@
        }
       ]
      ],
+     "main-frame-navigation.https.html": [
+      "47d8f2e81a3ce911e171ac828b867bd0161dedf3",
+      [
+       null,
+       {
+        "timeout": "long"
+       }
+      ]
+     ],
      "media-autoplay.html": [
       "7e6b8d10477f9838fc6f57b83f531a2670efeee5",
       [
@@ -672669,7 +672802,7 @@
      },
      "exception": {
       "basic.tentative.any.js": [
-       "9ddebae0e968a28135b9c73748fffb80be4468e4",
+       "acf644f904f53d54918d660c419f60a15c72eabb",
        [
         null,
         {
diff --git a/tests/wpt/metadata/css/CSS2/normal-flow/block-in-inline-hittest-002.html.ini b/tests/wpt/metadata/css/CSS2/normal-flow/block-in-inline-hittest-002.html.ini
index ee34bc91078..51432362d66 100644
--- a/tests/wpt/metadata/css/CSS2/normal-flow/block-in-inline-hittest-002.html.ini
+++ b/tests/wpt/metadata/css/CSS2/normal-flow/block-in-inline-hittest-002.html.ini
@@ -1,6 +1,3 @@
 [block-in-inline-hittest-002.html]
   [elementsFromPoint]
     expected: FAIL
-
-  [elementFromPoint]
-    expected: FAIL
diff --git a/tests/wpt/metadata/css/CSS2/normal-flow/block-in-inline-hittest-float-002.html.ini b/tests/wpt/metadata/css/CSS2/normal-flow/block-in-inline-hittest-float-002.html.ini
new file mode 100644
index 00000000000..3e5096beef3
--- /dev/null
+++ b/tests/wpt/metadata/css/CSS2/normal-flow/block-in-inline-hittest-float-002.html.ini
@@ -0,0 +1,3 @@
+[block-in-inline-hittest-float-002.html]
+  [block-in-inline-hittest-float-002]
+    expected: FAIL
diff --git a/tests/wpt/metadata/css/CSS2/selectors/attribute-value-selector-004.xht.ini b/tests/wpt/metadata/css/CSS2/selectors/attribute-value-selector-004.xht.ini
deleted file mode 100644
index ce14b0578d7..00000000000
--- a/tests/wpt/metadata/css/CSS2/selectors/attribute-value-selector-004.xht.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[attribute-value-selector-004.xht]
-  expected: TIMEOUT
diff --git a/tests/wpt/metadata/css/css-flexbox/hittest-before-pseudo.html.ini b/tests/wpt/metadata/css/css-flexbox/hittest-before-pseudo.html.ini
deleted file mode 100644
index 5b685485f3c..00000000000
--- a/tests/wpt/metadata/css/css-flexbox/hittest-before-pseudo.html.ini
+++ /dev/null
@@ -1,3 +0,0 @@
-[hittest-before-pseudo.html]
-  [Hit-testing text within a pseudo-element flex-item should return the flexbox as the hittest result.]
-    expected: FAIL
diff --git a/tests/wpt/metadata/css/css-fonts/variations/at-font-face-font-matching.html.ini b/tests/wpt/metadata/css/css-fonts/variations/at-font-face-font-matching.html.ini
index 537c917bdfc..9b3415209a4 100644
--- a/tests/wpt/metadata/css/css-fonts/variations/at-font-face-font-matching.html.ini
+++ b/tests/wpt/metadata/css/css-fonts/variations/at-font-face-font-matching.html.ini
@@ -158,9 +158,6 @@
   [Matching font-weight: '430' should prefer '500' over '400 425']
     expected: FAIL
 
-  [Matching font-weight: '500' should prefer '450 460' over '400']
-    expected: FAIL
-
   [Matching font-weight: '500' should prefer '350 399' over '351 398']
     expected: FAIL
 
@@ -319,3 +316,18 @@
 
   [Matching font-style: 'oblique -21deg' should prefer 'oblique -10deg' over 'italic']
     expected: FAIL
+
+  [Matching font-stretch: '100%' should prefer '100%' over '110% 120%']
+    expected: FAIL
+
+  [Matching font-style: 'normal' should prefer 'oblique 20deg 30deg' over 'oblique -50deg -20deg']
+    expected: FAIL
+
+  [Matching font-style: 'italic' should prefer 'oblique 5deg 10deg' over 'oblique 5deg']
+    expected: FAIL
+
+  [Matching font-style: 'oblique 10deg' should prefer 'oblique 10deg' over 'oblique 5deg']
+    expected: FAIL
+
+  [Matching font-style: 'oblique -21deg' should prefer 'italic' over 'oblique 0deg']
+    expected: FAIL
diff --git a/tests/wpt/metadata/css/css-transforms/transform-scale-hittest.html.ini b/tests/wpt/metadata/css/css-transforms/transform-scale-hittest.html.ini
index 4a1232b3c22..3f9c5003739 100644
--- a/tests/wpt/metadata/css/css-transforms/transform-scale-hittest.html.ini
+++ b/tests/wpt/metadata/css/css-transforms/transform-scale-hittest.html.ini
@@ -1,6 +1,3 @@
 [transform-scale-hittest.html]
   [Hit test intersecting scaled box]
     expected: FAIL
-
-  [Hit test within unscaled box]
-    expected: FAIL
diff --git a/tests/wpt/metadata/css/css-transitions/properties-value-inherit-002.html.ini b/tests/wpt/metadata/css/css-transitions/properties-value-inherit-002.html.ini
index 438884a0319..3fe0bd64cb2 100644
--- a/tests/wpt/metadata/css/css-transitions/properties-value-inherit-002.html.ini
+++ b/tests/wpt/metadata/css/css-transitions/properties-value-inherit-002.html.ini
@@ -325,153 +325,3 @@
 
   [margin-right length(mm) / values]
     expected: [FAIL, PASS]
-
-  [color color(rgba) / values]
-    expected: FAIL
-
-  [font-size length(pt) / values]
-    expected: FAIL
-
-  [font-size length(pc) / values]
-    expected: FAIL
-
-  [font-size length(px) / values]
-    expected: FAIL
-
-  [font-size length(em) / values]
-    expected: FAIL
-
-  [font-size length(ex) / values]
-    expected: FAIL
-
-  [font-size length(mm) / values]
-    expected: FAIL
-
-  [font-size length(cm) / values]
-    expected: FAIL
-
-  [font-size length(in) / values]
-    expected: FAIL
-
-  [font-size percentage(%) / values]
-    expected: FAIL
-
-  [font-weight font-weight(keyword) / values]
-    expected: FAIL
-
-  [font-weight font-weight(numeric) / values]
-    expected: FAIL
-
-  [line-height number(integer) / values]
-    expected: FAIL
-
-  [line-height number(decimal) / values]
-    expected: FAIL
-
-  [line-height length(pt) / values]
-    expected: FAIL
-
-  [line-height length(pc) / values]
-    expected: FAIL
-
-  [line-height length(px) / values]
-    expected: FAIL
-
-  [line-height length(em) / values]
-    expected: FAIL
-
-  [line-height length(ex) / values]
-    expected: FAIL
-
-  [line-height length(mm) / values]
-    expected: FAIL
-
-  [line-height length(cm) / values]
-    expected: FAIL
-
-  [line-height length(in) / values]
-    expected: FAIL
-
-  [line-height percentage(%) / values]
-    expected: FAIL
-
-  [letter-spacing length(pt) / values]
-    expected: FAIL
-
-  [letter-spacing length(pc) / values]
-    expected: FAIL
-
-  [letter-spacing length(px) / values]
-    expected: FAIL
-
-  [letter-spacing length(em) / values]
-    expected: FAIL
-
-  [letter-spacing length(ex) / values]
-    expected: FAIL
-
-  [letter-spacing length(mm) / values]
-    expected: FAIL
-
-  [letter-spacing length(cm) / values]
-    expected: FAIL
-
-  [letter-spacing length(in) / values]
-    expected: FAIL
-
-  [word-spacing length(pt) / values]
-    expected: FAIL
-
-  [word-spacing length(pc) / values]
-    expected: FAIL
-
-  [word-spacing length(px) / values]
-    expected: FAIL
-
-  [word-spacing length(em) / values]
-    expected: FAIL
-
-  [word-spacing length(ex) / values]
-    expected: FAIL
-
-  [word-spacing length(mm) / values]
-    expected: FAIL
-
-  [word-spacing length(cm) / values]
-    expected: FAIL
-
-  [word-spacing length(in) / values]
-    expected: FAIL
-
-  [word-spacing percentage(%) / values]
-    expected: FAIL
-
-  [text-indent length(pt) / values]
-    expected: FAIL
-
-  [text-indent length(pc) / values]
-    expected: FAIL
-
-  [text-indent length(px) / values]
-    expected: FAIL
-
-  [text-indent length(em) / values]
-    expected: FAIL
-
-  [text-indent length(ex) / values]
-    expected: FAIL
-
-  [text-indent length(mm) / values]
-    expected: FAIL
-
-  [text-indent length(cm) / values]
-    expected: FAIL
-
-  [text-indent length(in) / values]
-    expected: FAIL
-
-  [text-indent percentage(%) / values]
-    expected: FAIL
-
-  [text-shadow shadow(shadow) / values]
-    expected: FAIL
diff --git a/tests/wpt/metadata/css/css-values/acos-asin-atan-atan2-computed.html.ini b/tests/wpt/metadata/css/css-values/acos-asin-atan-atan2-computed.html.ini
index 96879d84783..11c22e299d5 100644
--- a/tests/wpt/metadata/css/css-values/acos-asin-atan-atan2-computed.html.ini
+++ b/tests/wpt/metadata/css/css-values/acos-asin-atan-atan2-computed.html.ini
@@ -121,3 +121,6 @@
 
   [atan2(1ms, -1ms) should be used-value-equivalent to 135deg]
     expected: FAIL
+
+  [calc(atan2(0,-1) / 4) should be used-value-equivalent to 45deg]
+    expected: FAIL
diff --git a/tests/wpt/metadata/css/cssom-view/elementFromPoint-subpixel.html.ini b/tests/wpt/metadata/css/cssom-view/elementFromPoint-subpixel.html.ini
new file mode 100644
index 00000000000..8f6f663ba61
--- /dev/null
+++ b/tests/wpt/metadata/css/cssom-view/elementFromPoint-subpixel.html.ini
@@ -0,0 +1,3 @@
+[elementFromPoint-subpixel.html]
+  [Hit test top left corner of box]
+    expected: FAIL
diff --git a/tests/wpt/metadata/css/cssom-view/elementFromPoint-visibility-hidden-resizer.html.ini b/tests/wpt/metadata/css/cssom-view/elementFromPoint-visibility-hidden-resizer.html.ini
deleted file mode 100644
index a6bca7ac372..00000000000
--- a/tests/wpt/metadata/css/cssom-view/elementFromPoint-visibility-hidden-resizer.html.ini
+++ /dev/null
@@ -1,3 +0,0 @@
-[elementFromPoint-visibility-hidden-resizer.html]
-  [elementFromPoint on resizer area of an element with visibility:hidden]
-    expected: FAIL
diff --git a/tests/wpt/metadata/css/cssom-view/elementFromPosition.html.ini b/tests/wpt/metadata/css/cssom-view/elementFromPosition.html.ini
index 898f39c4330..9f2a3229231 100644
--- a/tests/wpt/metadata/css/cssom-view/elementFromPosition.html.ini
+++ b/tests/wpt/metadata/css/cssom-view/elementFromPosition.html.ini
@@ -20,3 +20,6 @@
 
   [test the top of layer]
     expected: FAIL
+
+  [test some point of the element: top left corner]
+    expected: FAIL
diff --git a/tests/wpt/metadata/css/cssom-view/elementsFromPoint-invalid-cases.html.ini b/tests/wpt/metadata/css/cssom-view/elementsFromPoint-invalid-cases.html.ini
new file mode 100644
index 00000000000..a3496a40d07
--- /dev/null
+++ b/tests/wpt/metadata/css/cssom-view/elementsFromPoint-invalid-cases.html.ini
@@ -0,0 +1,3 @@
+[elementsFromPoint-invalid-cases.html]
+  [The root element is the last element returned for otherwise empty queries within the viewport]
+    expected: FAIL
diff --git a/tests/wpt/metadata/fetch/metadata/generated/css-images.sub.tentative.html.ini b/tests/wpt/metadata/fetch/metadata/generated/css-images.sub.tentative.html.ini
index 0d48169e3cc..f9de5391ad6 100644
--- a/tests/wpt/metadata/fetch/metadata/generated/css-images.sub.tentative.html.ini
+++ b/tests/wpt/metadata/fetch/metadata/generated/css-images.sub.tentative.html.ini
@@ -146,6 +146,3 @@
 
   [list-style-image sec-fetch-site - HTTPS downgrade-upgrade]
     expected: FAIL
-
-  [background-image sec-fetch-site - HTTPS downgrade (header not sent)]
-    expected: TIMEOUT
diff --git a/tests/wpt/metadata/fetch/private-network-access/worker-blob-fetch.window.js.ini b/tests/wpt/metadata/fetch/private-network-access/worker-blob-fetch.window.js.ini
new file mode 100644
index 00000000000..303e4bfb815
--- /dev/null
+++ b/tests/wpt/metadata/fetch/private-network-access/worker-blob-fetch.window.js.ini
@@ -0,0 +1,36 @@
+[worker-blob-fetch.window.html]
+  [local to local: success.]
+    expected: FAIL
+
+  [private to local: failure.]
+    expected: FAIL
+
+  [private to private: success.]
+    expected: FAIL
+
+  [public to local: failure.]
+    expected: FAIL
+
+  [public to private: failure.]
+    expected: FAIL
+
+  [public to public: success.]
+    expected: FAIL
+
+  [treat-as-public to local: failure.]
+    expected: FAIL
+
+  [treat-as-public to private: failure.]
+    expected: FAIL
+
+  [treat-as-public to public: success.]
+    expected: FAIL
+
+  [private https to local: failure.]
+    expected: FAIL
+
+  [public https to private: failure.]
+    expected: FAIL
+
+  [public https to local: failure.]
+    expected: FAIL
diff --git a/tests/wpt/metadata/html/browsers/browsing-the-web/history-traversal/persisted-user-state-restoration/scroll-restoration-fragment-scrolling-cross-origin.html.ini b/tests/wpt/metadata/html/browsers/browsing-the-web/history-traversal/persisted-user-state-restoration/scroll-restoration-fragment-scrolling-cross-origin.html.ini
index c8a3c8f9e68..6e9f7acf151 100644
--- a/tests/wpt/metadata/html/browsers/browsing-the-web/history-traversal/persisted-user-state-restoration/scroll-restoration-fragment-scrolling-cross-origin.html.ini
+++ b/tests/wpt/metadata/html/browsers/browsing-the-web/history-traversal/persisted-user-state-restoration/scroll-restoration-fragment-scrolling-cross-origin.html.ini
@@ -1,6 +1,6 @@
 [scroll-restoration-fragment-scrolling-cross-origin.html]
   type: testharness
-  expected: ERROR
+  expected: TIMEOUT
   [Manual scroll restoration should take precedent over scrolling to fragment in cross origin navigation]
     expected: TIMEOUT
 
diff --git a/tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/005.html.ini b/tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/005.html.ini
index f7ee5361549..33efcdbcf48 100644
--- a/tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/005.html.ini
+++ b/tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/005.html.ini
@@ -1,4 +1,3 @@
 [005.html]
-  expected: TIMEOUT
   [Link with onclick navigation and href navigation ]
     expected: FAIL
diff --git a/tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/initial-empty-document/iframe-src-aboutblank-navigate-immediately.html.ini b/tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/initial-empty-document/iframe-src-aboutblank-navigate-immediately.html.ini
index 856bb1c9901..dc1144214ef 100644
--- a/tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/initial-empty-document/iframe-src-aboutblank-navigate-immediately.html.ini
+++ b/tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/initial-empty-document/iframe-src-aboutblank-navigate-immediately.html.ini
@@ -1,10 +1,9 @@
 [iframe-src-aboutblank-navigate-immediately.html]
-  expected: TIMEOUT
   [Navigating to a different document with window.open]
     expected: FAIL
 
   [Navigating to a different document with form submission]
-    expected: TIMEOUT
+    expected: FAIL
 
   [Navigating to a different document with link click]
     expected: FAIL
diff --git a/tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/initial-empty-document/load-pageshow-events-iframe-contentWindow.html.ini b/tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/initial-empty-document/load-pageshow-events-iframe-contentWindow.html.ini
index 51fd557bd7f..149bcb4ff8c 100644
--- a/tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/initial-empty-document/load-pageshow-events-iframe-contentWindow.html.ini
+++ b/tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/initial-empty-document/load-pageshow-events-iframe-contentWindow.html.ini
@@ -7,3 +7,6 @@
 
   [load & pageshow events do not fire on contentWindow of <iframe> element created with src='about:blank#foo']
     expected: FAIL
+
+  [load & pageshow events do not fire on contentWindow of <iframe> element created with src='about:blank']
+    expected: FAIL
diff --git a/tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/javascript-url-load-as-html.xhtml.ini b/tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/javascript-url-load-as-html.xhtml.ini
new file mode 100644
index 00000000000..3956f08d5bb
--- /dev/null
+++ b/tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/javascript-url-load-as-html.xhtml.ini
@@ -0,0 +1,4 @@
+[javascript-url-load-as-html.xhtml]
+  expected: TIMEOUT
+  [javascript: URL navigation to a string must create a HTML document using the correct properties]
+    expected: TIMEOUT
diff --git a/tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/javascript-url-referrer.window.js.ini b/tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/javascript-url-referrer.window.js.ini
index bcda478adb1..5a245d61359 100644
--- a/tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/javascript-url-referrer.window.js.ini
+++ b/tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/javascript-url-referrer.window.js.ini
@@ -1,10 +1,6 @@
 [javascript-url-referrer.window.html]
-  expected: TIMEOUT
   [unsafe-url referrer policy used to create the starting page]
     expected: FAIL
 
   [origin referrer policy used to create the starting page]
     expected: FAIL
-
-  [no-referrer referrer policy used to create the starting page]
-    expected: TIMEOUT
diff --git a/tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/navigation-unload-cross-origin.sub.window.js.ini b/tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/navigation-unload-cross-origin.sub.window.js.ini
deleted file mode 100644
index 4ecd6d9f753..00000000000
--- a/tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/navigation-unload-cross-origin.sub.window.js.ini
+++ /dev/null
@@ -1,3 +0,0 @@
-[navigation-unload-cross-origin.sub.window.html]
-  [Cross-origin navigation started from unload handler must be ignored]
-    expected: FAIL
diff --git a/tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/replace-before-load/a-click.html.ini b/tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/replace-before-load/a-click.html.ini
deleted file mode 100644
index 60a4fa51f8a..00000000000
--- a/tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/replace-before-load/a-click.html.ini
+++ /dev/null
@@ -1,3 +0,0 @@
-[a-click.html]
-  [aElement.click() before the load event must NOT replace]
-    expected: FAIL
diff --git a/tests/wpt/metadata/html/browsers/the-window-object/open-close/creating_browsing_context_test_01.html.ini b/tests/wpt/metadata/html/browsers/the-window-object/open-close/creating_browsing_context_test_01.html.ini
deleted file mode 100644
index 4b4820d1729..00000000000
--- a/tests/wpt/metadata/html/browsers/the-window-object/open-close/creating_browsing_context_test_01.html.ini
+++ /dev/null
@@ -1,3 +0,0 @@
-[creating_browsing_context_test_01.html]
-  [first argument: absolute url]
-    expected: FAIL
diff --git a/tests/wpt/metadata/html/canvas/element/manual/drawing-text-to-the-canvas/canvas.2d.disconnected.html.ini b/tests/wpt/metadata/html/canvas/element/manual/drawing-text-to-the-canvas/canvas.2d.disconnected.html.ini
index 2a54f2f8814..5cdcce07c65 100644
--- a/tests/wpt/metadata/html/canvas/element/manual/drawing-text-to-the-canvas/canvas.2d.disconnected.html.ini
+++ b/tests/wpt/metadata/html/canvas/element/manual/drawing-text-to-the-canvas/canvas.2d.disconnected.html.ini
@@ -1,2 +1,2 @@
 [canvas.2d.disconnected.html]
-  expected: TIMEOUT
+  expected: FAIL
diff --git a/tests/wpt/metadata/html/interaction/focus/the-autofocus-attribute/update-the-rendering.html.ini b/tests/wpt/metadata/html/interaction/focus/the-autofocus-attribute/update-the-rendering.html.ini
index 9b27c5c1957..add66c12f92 100644
--- a/tests/wpt/metadata/html/interaction/focus/the-autofocus-attribute/update-the-rendering.html.ini
+++ b/tests/wpt/metadata/html/interaction/focus/the-autofocus-attribute/update-the-rendering.html.ini
@@ -1,7 +1,6 @@
 [update-the-rendering.html]
-  expected: TIMEOUT
   ["Flush autofocus candidates" should be happen after the first animation frame callbacks, and before a resize event in the next iteration of window event loop.]
     expected: TIMEOUT
 
   ["Flush autofocus candidates" should be happen before a scroll event and animation frame callbacks]
-    expected: TIMEOUT
+    expected: FAIL
diff --git a/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-1.html.ini b/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-1.html.ini
index 53b0601e68c..6f7461b9472 100644
--- a/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-1.html.ini
+++ b/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-1.html.ini
@@ -1,5 +1,4 @@
 [iframe_sandbox_popups_nonescaping-1.html]
   type: testharness
-  expected: CRASH
   [Check that popups from a sandboxed iframe do not escape the sandbox]
     expected: FAIL
diff --git a/tests/wpt/metadata/html/semantics/embedded-content/the-img-element/non-active-document.html.ini b/tests/wpt/metadata/html/semantics/embedded-content/the-img-element/non-active-document.html.ini
index 3cdeb8ebcbc..47b45e65a1c 100644
--- a/tests/wpt/metadata/html/semantics/embedded-content/the-img-element/non-active-document.html.ini
+++ b/tests/wpt/metadata/html/semantics/embedded-content/the-img-element/non-active-document.html.ini
@@ -1,3 +1,9 @@
 [non-active-document.html]
   [DOMParser]
     expected: FAIL
+
+  [createHTMLDocument]
+    expected: FAIL
+
+  [<template>]
+    expected: FAIL
diff --git a/tests/wpt/metadata/html/semantics/forms/textfieldselection/select-event.html.ini b/tests/wpt/metadata/html/semantics/forms/textfieldselection/select-event.html.ini
new file mode 100644
index 00000000000..c436fa914c6
--- /dev/null
+++ b/tests/wpt/metadata/html/semantics/forms/textfieldselection/select-event.html.ini
@@ -0,0 +1,3 @@
+[select-event.html]
+  [input type tel: selectionStart twice in disconnected node (must fire select only once)]
+    expected: FAIL
diff --git a/tests/wpt/metadata/html/semantics/links/links-created-by-a-and-area-elements/htmlanchorelement_noopener.html.ini b/tests/wpt/metadata/html/semantics/links/links-created-by-a-and-area-elements/htmlanchorelement_noopener.html.ini
index 73807cb3cc1..cc18f512574 100644
--- a/tests/wpt/metadata/html/semantics/links/links-created-by-a-and-area-elements/htmlanchorelement_noopener.html.ini
+++ b/tests/wpt/metadata/html/semantics/links/links-created-by-a-and-area-elements/htmlanchorelement_noopener.html.ini
@@ -1,6 +1,5 @@
 [htmlanchorelement_noopener.html]
   type: testharness
-  expected: TIMEOUT
   [Check that targeting of rel=noopener with a given name ignores an existing window with that name]
     expected: NOTRUN
 
@@ -14,4 +13,4 @@
     expected: FAIL
 
   [Check that rel=noopener with target=_self does a normal load]
-    expected: NOTRUN
+    expected: FAIL
diff --git a/tests/wpt/metadata/html/semantics/popovers/popover-animated-hide-display.html.ini b/tests/wpt/metadata/html/semantics/popovers/popover-animated-hide-display.html.ini
deleted file mode 100644
index e12cf71be16..00000000000
--- a/tests/wpt/metadata/html/semantics/popovers/popover-animated-hide-display.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[popover-animated-hide-display.html]
-  expected: TIMEOUT
diff --git a/tests/wpt/metadata/html/semantics/popovers/popover-animated-hide-finishes.html.ini b/tests/wpt/metadata/html/semantics/popovers/popover-animated-hide-finishes.html.ini
deleted file mode 100644
index dbe1a796268..00000000000
--- a/tests/wpt/metadata/html/semantics/popovers/popover-animated-hide-finishes.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[popover-animated-hide-finishes.html]
-  expected: TIMEOUT
diff --git a/tests/wpt/metadata/html/semantics/popovers/popover-animated-show-display.html.ini b/tests/wpt/metadata/html/semantics/popovers/popover-animated-show-display.html.ini
deleted file mode 100644
index 8c797258240..00000000000
--- a/tests/wpt/metadata/html/semantics/popovers/popover-animated-show-display.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[popover-animated-show-display.html]
-  expected: TIMEOUT
diff --git a/tests/wpt/metadata/html/semantics/popovers/popover-animation-corner-cases.html.ini b/tests/wpt/metadata/html/semantics/popovers/popover-animation-corner-cases.html.ini
deleted file mode 100644
index a48563143c8..00000000000
--- a/tests/wpt/metadata/html/semantics/popovers/popover-animation-corner-cases.html.ini
+++ /dev/null
@@ -1,24 +0,0 @@
-[popover-animation-corner-cases.html]
-  [Descendent animations should keep the pop up visible until the animation ends]
-    expected: FAIL
-
-  [Pre-existing animations should *not* keep the pop up visible until the animation ends]
-    expected: FAIL
-
-  [It should be possible to use the "beforetoggle" event handler to animate the hide]
-    expected: FAIL
-
-  [It should be possible to use the "beforetoggle" event handler to animate the hide, even when the hide is due to dialog.showModal]
-    expected: FAIL
-
-  [toggle event cannot be cancelled]
-    expected: FAIL
-
-  [Closing animations are triggered by changing the popover type]
-    expected: FAIL
-
-  [animation finish/cancel events must be trusted in order to finish closing the popover.]
-    expected: FAIL
-
-  [Capturing event listeners can't affect popover animations.]
-    expected: FAIL
diff --git a/tests/wpt/metadata/html/syntax/parsing/DOMContentLoaded-defer.html.ini b/tests/wpt/metadata/html/syntax/parsing/DOMContentLoaded-defer.html.ini
deleted file mode 100644
index b8bdf33cb65..00000000000
--- a/tests/wpt/metadata/html/syntax/parsing/DOMContentLoaded-defer.html.ini
+++ /dev/null
@@ -1,3 +0,0 @@
-[DOMContentLoaded-defer.html]
-  [The end: DOMContentLoaded and defer scripts]
-    expected: FAIL
diff --git a/tests/wpt/metadata/html/webappapis/dynamic-markup-insertion/document-write/module-delayed.html.ini b/tests/wpt/metadata/html/webappapis/dynamic-markup-insertion/document-write/module-delayed.html.ini
deleted file mode 100644
index fc0233f5241..00000000000
--- a/tests/wpt/metadata/html/webappapis/dynamic-markup-insertion/document-write/module-delayed.html.ini
+++ /dev/null
@@ -1,3 +0,0 @@
-[module-delayed.html]
-  [async document.write in a module]
-    expected: FAIL
diff --git a/tests/wpt/metadata/html/webappapis/dynamic-markup-insertion/document-write/module-static-import-delayed.html.ini b/tests/wpt/metadata/html/webappapis/dynamic-markup-insertion/document-write/module-static-import-delayed.html.ini
new file mode 100644
index 00000000000..53acb938c1b
--- /dev/null
+++ b/tests/wpt/metadata/html/webappapis/dynamic-markup-insertion/document-write/module-static-import-delayed.html.ini
@@ -0,0 +1,3 @@
+[module-static-import-delayed.html]
+  [document.write in an imported module]
+    expected: FAIL
diff --git a/tests/wpt/metadata/html/webappapis/scripting/processing-model-2/integration-with-the-javascript-job-queue/promise-job-entry-different-function-realm.html.ini b/tests/wpt/metadata/html/webappapis/scripting/processing-model-2/integration-with-the-javascript-job-queue/promise-job-entry-different-function-realm.html.ini
index 7237f5792de..658b93c4fc0 100644
--- a/tests/wpt/metadata/html/webappapis/scripting/processing-model-2/integration-with-the-javascript-job-queue/promise-job-entry-different-function-realm.html.ini
+++ b/tests/wpt/metadata/html/webappapis/scripting/processing-model-2/integration-with-the-javascript-job-queue/promise-job-entry-different-function-realm.html.ini
@@ -1,16 +1,16 @@
 [promise-job-entry-different-function-realm.html]
   expected: TIMEOUT
   [Fulfillment handler on fulfilled promise]
-    expected: FAIL
+    expected: TIMEOUT
 
   [Rejection handler on pending-then-rejected promise]
-    expected: TIMEOUT
+    expected: FAIL
 
   [Thenable resolution]
-    expected: FAIL
+    expected: TIMEOUT
 
   [Rejection handler on rejected promise]
-    expected: FAIL
+    expected: TIMEOUT
 
   [Fulfillment handler on pending-then-fulfilled promise]
-    expected: TIMEOUT
+    expected: FAIL
diff --git a/tests/wpt/metadata/url/a-element-origin-xhtml.xhtml.ini b/tests/wpt/metadata/url/a-element-origin-xhtml.xhtml.ini
new file mode 100644
index 00000000000..34f05204ed8
--- /dev/null
+++ b/tests/wpt/metadata/url/a-element-origin-xhtml.xhtml.ini
@@ -0,0 +1,3 @@
+[a-element-origin-xhtml.xhtml]
+  [Parsing origin: <http://[::127.0.0.1.\]> against <http://example.org/foo/bar>]
+    expected: FAIL
diff --git a/tests/wpt/metadata/url/a-element-origin.html.ini b/tests/wpt/metadata/url/a-element-origin.html.ini
new file mode 100644
index 00000000000..b25df295432
--- /dev/null
+++ b/tests/wpt/metadata/url/a-element-origin.html.ini
@@ -0,0 +1,3 @@
+[a-element-origin.html]
+  [Parsing origin: <http://[::127.0.0.1.\]> against <http://example.org/foo/bar>]
+    expected: FAIL
diff --git a/tests/wpt/metadata/url/a-element-xhtml.xhtml.ini b/tests/wpt/metadata/url/a-element-xhtml.xhtml.ini
index 5a9850dbfa3..7147d0c65b8 100644
--- a/tests/wpt/metadata/url/a-element-xhtml.xhtml.ini
+++ b/tests/wpt/metadata/url/a-element-xhtml.xhtml.ini
@@ -304,6 +304,9 @@
   [Parsing: <path> against <non-spec:/..//p>]
     expected: FAIL
 
+  [Parsing: <http://[::127.0.0.1.\]> against <http://example.org/foo/bar>]
+    expected: FAIL
+
 
 [a-element-xhtml.xhtml?include=javascript]
 
diff --git a/tests/wpt/metadata/url/a-element.html.ini b/tests/wpt/metadata/url/a-element.html.ini
index 8d592f2d26c..cc52a546518 100644
--- a/tests/wpt/metadata/url/a-element.html.ini
+++ b/tests/wpt/metadata/url/a-element.html.ini
@@ -307,3 +307,6 @@
 
   [Parsing: <path> against <non-spec:/..//p>]
     expected: FAIL
+
+  [Parsing: <http://[::127.0.0.1.\]> against <http://example.org/foo/bar>]
+    expected: FAIL
diff --git a/tests/wpt/metadata/url/url-constructor.any.js.ini b/tests/wpt/metadata/url/url-constructor.any.js.ini
index 9810ac3bd2a..6a9f93efc74 100644
--- a/tests/wpt/metadata/url/url-constructor.any.js.ini
+++ b/tests/wpt/metadata/url/url-constructor.any.js.ini
@@ -553,6 +553,9 @@
   [Parsing: <path> against <non-spec:/..//p>]
     expected: FAIL
 
+  [Parsing: <http://[::127.0.0.1.\]> against <http://example.org/foo/bar>]
+    expected: FAIL
+
 
 [url-constructor.any.html?include=file]
   [Parsing: </> against <file://h/C:/a/b>]
@@ -705,5 +708,8 @@
   [Parsing: <path> against <non-spec:/..//p>]
     expected: FAIL
 
+  [Parsing: <http://[::127.0.0.1.\]> against <http://example.org/foo/bar>]
+    expected: FAIL
+
 
 [url-constructor.any.worker.html?include=javascript]
diff --git a/tests/wpt/metadata/url/url-origin.any.js.ini b/tests/wpt/metadata/url/url-origin.any.js.ini
new file mode 100644
index 00000000000..f17a77bf368
--- /dev/null
+++ b/tests/wpt/metadata/url/url-origin.any.js.ini
@@ -0,0 +1,8 @@
+[url-origin.any.html]
+  [Origin parsing: <http://[::127.0.0.1.\]> against <http://example.org/foo/bar>]
+    expected: FAIL
+
+
+[url-origin.any.worker.html]
+  [Origin parsing: <http://[::127.0.0.1.\]> against <http://example.org/foo/bar>]
+    expected: FAIL
diff --git a/tests/wpt/metadata/wasm/jsapi/exception/basic.tentative.any.js.ini b/tests/wpt/metadata/wasm/jsapi/exception/basic.tentative.any.js.ini
index 30501bd1060..c28301608df 100644
--- a/tests/wpt/metadata/wasm/jsapi/exception/basic.tentative.any.js.ini
+++ b/tests/wpt/metadata/wasm/jsapi/exception/basic.tentative.any.js.ini
@@ -1,16 +1,4 @@
 [basic.tentative.any.worker.html]
-  [Wasm function throws argument]
-    expected: FAIL
-
-  [Wasm function throws null]
-    expected: FAIL
-
-  [Wasm function throws integer]
-    expected: FAIL
-
-  [Imported JS function throws]
-    expected: FAIL
-
 
 [basic.tentative.any.sharedworker.html]
   expected: ERROR
@@ -19,14 +7,3 @@
   expected: ERROR
 
 [basic.tentative.any.html]
-  [Wasm function throws argument]
-    expected: FAIL
-
-  [Wasm function throws null]
-    expected: FAIL
-
-  [Wasm function throws integer]
-    expected: FAIL
-
-  [Imported JS function throws]
-    expected: FAIL
diff --git a/tests/wpt/metadata/webmessaging/with-ports/017.html.ini b/tests/wpt/metadata/webmessaging/with-ports/017.html.ini
deleted file mode 100644
index c7946fc91b4..00000000000
--- a/tests/wpt/metadata/webmessaging/with-ports/017.html.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[017.html]
-  expected: TIMEOUT
-  [origin of the script that invoked the method, about:blank]
-    expected: TIMEOUT
diff --git a/tests/wpt/mozilla/meta/mozilla/scrollBy.html.ini b/tests/wpt/mozilla/meta/mozilla/scrollBy.html.ini
new file mode 100644
index 00000000000..f78f699f620
--- /dev/null
+++ b/tests/wpt/mozilla/meta/mozilla/scrollBy.html.ini
@@ -0,0 +1,3 @@
+[scrollBy.html]
+  [Ensure that the window.scrollBy function affects scroll position as expected]
+    expected: FAIL
diff --git a/tests/wpt/web-platform-tests/FileAPI/blob/Blob-stream.any.js b/tests/wpt/web-platform-tests/FileAPI/blob/Blob-stream.any.js
index 8f1d5c555ad..87710a171a9 100644
--- a/tests/wpt/web-platform-tests/FileAPI/blob/Blob-stream.any.js
+++ b/tests/wpt/web-platform-tests/FileAPI/blob/Blob-stream.any.js
@@ -6,7 +6,8 @@
 // Helper function that triggers garbage collection while reading a chunk
 // if perform_gc is true.
 async function read_and_gc(reader, perform_gc) {
-  const read_promise = reader.read();
+  // Passing Uint8Array for byte streams; non-byte streams will simply ignore it
+  const read_promise = reader.read(new Uint8Array(64));
   if (perform_gc) {
     await garbageCollect();
   }
@@ -16,10 +17,10 @@ async function read_and_gc(reader, perform_gc) {
 // Takes in a ReadableStream and reads from it until it is done, returning
 // an array that contains the results of each read operation. If perform_gc
 // is true, garbage collection is triggered while reading every chunk.
-async function read_all_chunks(stream, perform_gc = false) {
+async function read_all_chunks(stream, { perform_gc = false, mode } = {}) {
   assert_true(stream instanceof ReadableStream);
   assert_true('getReader' in stream);
-  const reader = stream.getReader();
+  const reader = stream.getReader({ mode });
 
   assert_true('read' in reader);
   let read_value = await read_and_gc(reader, perform_gc);
@@ -67,7 +68,16 @@ promise_test(async() => {
   const stream = blob.stream();
   blob = null;
   await garbageCollect();
-  const chunks = await read_all_chunks(stream, /*perform_gc=*/true);
+  const chunks = await read_all_chunks(stream, { perform_gc: true });
   assert_array_equals(chunks, input_arr);
 }, "Blob.stream() garbage collection of blob shouldn't break stream" +
       "consumption")
+
+promise_test(async () => {
+  const input_arr = [8, 241, 48, 123, 151];
+  const typed_arr = new Uint8Array(input_arr);
+  let blob = new Blob([typed_arr]);
+  const stream = blob.stream();
+  const chunks = await read_all_chunks(stream, { mode: "byob" });
+  assert_array_equals(chunks, input_arr);
+}, "Reading Blob.stream() with BYOB reader")
diff --git a/tests/wpt/web-platform-tests/css/css-break/fixedpos-with-iframe-print-ref.html b/tests/wpt/web-platform-tests/css/css-break/fixedpos-with-iframe-print-ref.html
new file mode 100644
index 00000000000..5c171404508
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-break/fixedpos-with-iframe-print-ref.html
@@ -0,0 +1,10 @@
+<!DOCTYPE html>
+<link rel="author" title="Morten Stenshorne" href="mailto:mstensho@chromium.org">
+<p>The word "PASS" should be seen below.</p>
+<div style="position:absolute; background:blue;">
+  <iframe src="data:text/html,PASS" style="width:8em; height:3em; background:yellow;"></iframe>
+</div>
+<p style="break-before:page;">
+  Apart from this text, there should be nothing on this page.
+</p>
+
diff --git a/tests/wpt/web-platform-tests/css/css-break/fixedpos-with-iframe-print.html b/tests/wpt/web-platform-tests/css/css-break/fixedpos-with-iframe-print.html
new file mode 100644
index 00000000000..5102d045c42
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-break/fixedpos-with-iframe-print.html
@@ -0,0 +1,12 @@
+<!DOCTYPE html>
+<link rel="author" title="Morten Stenshorne" href="mailto:mstensho@chromium.org">
+<link rel="help" href="https://bugs.chromium.org/p/chromium/issues/detail?id=1414873">
+<link rel="match" href="fixedpos-with-iframe-print-ref.html">
+<p>The word "PASS" should be seen below.</p>
+<div style="position:fixed; background:blue;">
+  <iframe src="data:text/html,PASS" style="width:8em; height:3em; background:yellow;"></iframe>
+</div>
+<p style="break-before:page; position:relative; z-index:1; height:8em; background:white;">
+  Apart from this text, there should be nothing on this page.
+</p>
+
diff --git a/tests/wpt/web-platform-tests/css/css-overflow/overflow-overlay.tentative.html b/tests/wpt/web-platform-tests/css/css-overflow/overflow-overlay.html
similarity index 90%
rename from tests/wpt/web-platform-tests/css/css-overflow/overflow-overlay.tentative.html
rename to tests/wpt/web-platform-tests/css/css-overflow/overflow-overlay.html
index e3cb8d7180e..0e8ff093b03 100644
--- a/tests/wpt/web-platform-tests/css/css-overflow/overflow-overlay.tentative.html
+++ b/tests/wpt/web-platform-tests/css/css-overflow/overflow-overlay.html
@@ -3,10 +3,10 @@
 <link rel="match" href="overflow-overlay-ref.html">
 <style>
   div {
-      width: 15em;
-      height: 10em;
-      overflow: overlay;
-    }
+    width: 15em;
+    height: 10em;
+    overflow: overlay;
+  }
 </style>
 <div>
   <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p>
diff --git a/tests/wpt/web-platform-tests/css/css-position/sticky/position-sticky-fractional-offset-ref.html b/tests/wpt/web-platform-tests/css/css-position/sticky/position-sticky-fractional-offset-ref.html
new file mode 100644
index 00000000000..8b7a1f8a195
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-position/sticky/position-sticky-fractional-offset-ref.html
@@ -0,0 +1,40 @@
+<!DOCTYPE html>
+<style>
+  .container {
+    width: 100px;
+    height: 100px;
+    overflow-y: scroll;
+    background: lightgreen;
+    display: inline-block;
+  }
+</style>
+
+<div class="container">
+  <div style="height: calc(300px + 50px + 10.10px);"></div>
+</div>
+
+<div class="container">
+  <div style="height: calc(300px + 50px + 10.25px);"></div>
+</div>
+
+<div class="container">
+  <div style="height: calc(300px + 50px + 10.50px);"></div>
+</div>
+
+<div class="container">
+  <div style="height: calc(300px + 50px + 10.75px);"></div>
+</div>
+
+<div class="container">
+  <div style="height: calc(300px + 50px + 10.90px);"></div>
+</div>
+
+<script>
+  window.onload = function() {
+    var containers = document.getElementsByClassName('container');
+    for (let i = 0; i < containers.length; i++) {
+      containers[i].scrollTo(0, 20);
+    }
+  };
+</script>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-position/sticky/position-sticky-fractional-offset.html b/tests/wpt/web-platform-tests/css/css-position/sticky/position-sticky-fractional-offset.html
new file mode 100644
index 00000000000..79c29f4e87b
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-position/sticky/position-sticky-fractional-offset.html
@@ -0,0 +1,80 @@
+<!DOCTYPE html>
+<html class="reftest-wait">
+<link rel="help" href="https://www.w3.org/TR/css-position-3/#sticky-pos" />
+<meta name="assert" content="Position sticky with a fractional offset should not show a gap" />
+<link rel="match" href="position-sticky-fractional-offset-ref.html" />
+
+<style>
+  .sticky-container {
+    width: 100px;
+    height: 100px;
+    overflow-y: scroll;
+    background: red;
+    display: inline-block;
+  }
+
+  .sticky {
+    position: sticky;
+    top: 0;
+    height: 50px;
+    background: lightgreen;
+  }
+
+  .force-scroll {
+    height: 300px;
+    background: lightgreen;
+  }
+</style>
+
+<div class="sticky-container">
+  <div style="height: 10.10px;"></div>
+  <div class="sticky"></div>
+  <div class="force-scroll"></div>
+</div>
+
+<div class="sticky-container">
+  <div style="height: 10.25px;"></div>
+  <div class="sticky"></div>
+  <div class="force-scroll"></div>
+</div>
+
+<div class="sticky-container">
+  <div style="height: 10.50px;"></div>
+  <div class="sticky"></div>
+  <div class="force-scroll"></div>
+</div>
+
+<div class="sticky-container">
+  <div style="height: 10.75px;"></div>
+  <div class="sticky"></div>
+  <div class="force-scroll"></div>
+</div>
+
+<div class="sticky-container">
+  <div style="height: 10.90px;"></div>
+  <div class="sticky"></div>
+  <div class="force-scroll"></div>
+</div>
+
+<script>
+  window.onload = function() {
+    // Start with all containers scrolled to the top.
+    var containers = document.getElementsByClassName('sticky-container');
+    for (let i = 0; i < containers.length; i++) {
+      containers[i].scrollTo(0, 0);
+    }
+
+    // Wait for a full frame, then scroll all containers down so the sticky
+    // elements are stuck to the container. There should be no visible gap
+    // where the container's red background color is visible.
+    requestAnimationFrame(() => {
+      requestAnimationFrame(() => {
+        for (let i = 0; i < containers.length; i++) {
+          containers[i].scrollTo(0, 20);
+        }
+        document.documentElement.classList.remove('reftest-wait');
+      });
+    });
+  };
+</script>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-values/acos-asin-atan-atan2-computed.html b/tests/wpt/web-platform-tests/css/css-values/acos-asin-atan-atan2-computed.html
index 2835e7a20ab..dc8ecce621d 100644
--- a/tests/wpt/web-platform-tests/css/css-values/acos-asin-atan-atan2-computed.html
+++ b/tests/wpt/web-platform-tests/css/css-values/acos-asin-atan-atan2-computed.html
@@ -37,7 +37,7 @@ test_math_used('calc(atan(tan(0.7853975rad ) ))', '45deg', {type:'angle', approx
 test_math_used('calc(atan(tan(3.14159 / 4 + 1 - 1) ))', '45deg', {type:'angle', approx:0.1});
 test_math_used('calc(asin(sin(0.25turn)) )', '90deg', {type:'angle', approx:0.1});
 test_math_used('calc(atan2(0,1))', '0deg', {type:'angle', approx:0.1});
-test_math_used('calc(atan2(0,-1))', '-180deg', {type:'angle', approx:0.1});
+test_math_used('calc(atan2(0,-1) / 4)', '45deg', {type:'angle', approx:0.1}); // atan2(0,-1) equals 180deg, result is divided to avoid ambiguity with -180deg
 test_math_used('calc(atan2(1,-1))', '135deg', {type:'angle', approx:0.1});
 test_math_used('calc(atan2(-1,1))', '-45deg', {type:'angle', approx:0.1});
 
diff --git a/tests/wpt/web-platform-tests/css/css-values/minmax-angle-computed.html b/tests/wpt/web-platform-tests/css/css-values/minmax-angle-computed.html
index c0218a0899e..2c14aa65763 100644
--- a/tests/wpt/web-platform-tests/css/css-values/minmax-angle-computed.html
+++ b/tests/wpt/web-platform-tests/css/css-values/minmax-angle-computed.html
@@ -46,14 +46,14 @@ test_angle_equals('min(270deg, max(0.25turn, 3.14rad))', '3.14rad');
 test_angle_equals('max(0.25turn, min(270deg, 3.14rad))', '3.14rad');
 
 // General calculations
-test_angle_equals('calc(min(90deg, 1.58rad) + 0.25turn)', '180deg');
+test_angle_equals('calc(min(90deg, 1.58rad) + 0.125turn)', '135deg');
 test_angle_equals('calc(min(90deg, 1.58rad) - 0.125turn)', '45deg');
-test_angle_equals('calc(min(90deg, 1.58rad) * 2', '180deg');
+test_angle_equals('calc(min(90deg, 1.58rad) * 1.5', '135deg');
 test_angle_equals('calc(min(90deg, 1.58rad) / 2', '45deg');
-test_angle_equals('calc(max(90deg, 1.56rad) + 0.25turn)', '180deg');
+test_angle_equals('calc(max(90deg, 1.56rad) + 0.125turn', '135deg');
 test_angle_equals('calc(max(90deg, 1.56rad) - 0.125turn)', '45deg');
-test_angle_equals('calc(max(90deg, 1.56rad) * 2', '180deg');
+test_angle_equals('calc(max(90deg, 1.56rad) * 1.5', '135deg');
 test_angle_equals('calc(max(90deg, 1.56rad) / 2', '45deg');
-test_angle_equals('calc(min(90deg, 1.58rad) + max(0.25turn, 99grad))', '180deg');
+test_angle_equals('calc(min(90deg, 1.58rad) + max(0.125turn, 49grad))', '135deg');
 test_angle_equals('calc(min(90deg, 1.58rad) - max(0.25turn, 99grad))', '0deg');
 </script>
diff --git a/tests/wpt/web-platform-tests/css/css-view-transitions/iframe-new-has-scrollbar-ref.html b/tests/wpt/web-platform-tests/css/css-view-transitions/iframe-new-has-scrollbar-ref.html
new file mode 100644
index 00000000000..ea895e84848
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-view-transitions/iframe-new-has-scrollbar-ref.html
@@ -0,0 +1,19 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <title>View transitions: iframe transition to scrollbar (ref)</title>
+  <link rel="help" href="https://github.com/WICG/view-transitions">
+  <link rel="author" href="mailto:bokan@chromium.org">
+  <style>
+    iframe {
+      width: 50vw;
+      height: 50vh;
+    }
+  </style>
+</head>
+
+<body>
+  <iframe src="support/iframe-scrollbar-child.html?scrollbar">
+  </iframe>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-view-transitions/iframe-new-has-scrollbar.html b/tests/wpt/web-platform-tests/css/css-view-transitions/iframe-new-has-scrollbar.html
new file mode 100644
index 00000000000..bed16754f6b
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-view-transitions/iframe-new-has-scrollbar.html
@@ -0,0 +1,37 @@
+<!DOCTYPE html>
+<html class=reftest-wait>
+<head>
+  <title>View transitions: iframe transition to scrollbar</title>
+  <link rel="help" href="https://github.com/WICG/view-transitions">
+  <link rel="author" href="mailto:bokan@chromium.org">
+  <link rel="match" href="iframe-new-has-scrollbar-ref.html">
+  <meta name=fuzzy content="iframe-new-has-scrollbar-ref.html:0-80;0-500">
+  <script src="/common/reftest-wait.js"></script>
+  <style>
+    iframe {
+      width: 50vw;
+      height: 50vh;
+    }
+  </style>
+  <script>
+    onload = () => {
+      requestAnimationFrame(()=>{requestAnimationFrame(()=> {
+        frames[0].window.startTransition();
+        frames[0].window.transition.ready.then(() => {
+          requestAnimationFrame(()=>{requestAnimationFrame(()=> {
+            // Expect that the scrollbar should appear immediately, even though
+            // the new snapshot isn't visible (since the scrollbar isn't part
+            // of the snapshot).
+            takeScreenshot();
+          })});
+        });
+      })});
+    }
+  </script>
+</head>
+
+<body>
+  <iframe src="support/iframe-scrollbar-child.html">
+  </iframe>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-view-transitions/iframe-old-has-scrollbar-ref.html b/tests/wpt/web-platform-tests/css/css-view-transitions/iframe-old-has-scrollbar-ref.html
new file mode 100644
index 00000000000..3bb9bdb88d2
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-view-transitions/iframe-old-has-scrollbar-ref.html
@@ -0,0 +1,19 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <title>View transitions: iframe transition from scrollbar (ref)</title>
+  <link rel="help" href="https://github.com/WICG/view-transitions">
+  <link rel="author" href="mailto:bokan@chromium.org">
+  <style>
+    iframe {
+      width: 50vw;
+      height: 50vh;
+    }
+  </style>
+</head>
+
+<body>
+  <iframe src="support/iframe-scrollbar-child.html">
+  </iframe>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-view-transitions/iframe-old-has-scrollbar.html b/tests/wpt/web-platform-tests/css/css-view-transitions/iframe-old-has-scrollbar.html
new file mode 100644
index 00000000000..9dfa4adf7ac
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-view-transitions/iframe-old-has-scrollbar.html
@@ -0,0 +1,36 @@
+<!DOCTYPE html>
+<html class=reftest-wait>
+<head>
+  <title>View transitions: iframe transition from scrollbar</title>
+  <link rel="help" href="https://github.com/WICG/view-transitions">
+  <link rel="author" href="mailto:bokan@chromium.org">
+  <link rel="match" href="iframe-old-has-scrollbar-ref.html">
+  <meta name=fuzzy content="iframe-old-has-scrollbar-ref.html:0-80;0-500">
+  <script src="/common/reftest-wait.js"></script>
+  <style>
+    iframe {
+      width: 50vw;
+      height: 50vh;
+    }
+  </style>
+  <script>
+    onload = () => {
+      requestAnimationFrame(()=>{requestAnimationFrame(()=> {
+        frames[0].window.startTransition();
+        frames[0].window.transition.ready.then(() => {
+          requestAnimationFrame(()=>{requestAnimationFrame(()=> {
+            // Expect that the scrollbar should disappear immediately since it
+            // isn't part of the snapshot.
+            takeScreenshot();
+          })});
+        });
+      })});
+    }
+  </script>
+</head>
+
+<body>
+  <iframe src="support/iframe-scrollbar-child.html?scrollbar">
+  </iframe>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-view-transitions/support/dialog-in-rtl-iframe-child.html b/tests/wpt/web-platform-tests/css/css-view-transitions/support/dialog-in-rtl-iframe-child.html
index f1b3f021cbc..7b40a8fd5b6 100644
--- a/tests/wpt/web-platform-tests/css/css-view-transitions/support/dialog-in-rtl-iframe-child.html
+++ b/tests/wpt/web-platform-tests/css/css-view-transitions/support/dialog-in-rtl-iframe-child.html
@@ -3,6 +3,8 @@
   <head>
     <style>
       body {
+        /* We need a background due to https://crbug.com/1414158. */
+        background-color: white;
         height: 200vh;
       }
 
diff --git a/tests/wpt/web-platform-tests/css/css-view-transitions/support/iframe-scrollbar-child.html b/tests/wpt/web-platform-tests/css/css-view-transitions/support/iframe-scrollbar-child.html
new file mode 100644
index 00000000000..dfd0fb40d92
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-view-transitions/support/iframe-scrollbar-child.html
@@ -0,0 +1,44 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <style>
+      body.scrollable {
+        width: 200lvw;
+        height: 200lvh;
+      }
+
+      div {
+        width: 200px;
+        height: 200px;
+        background-color: skyblue;
+      }
+
+      ::view-transition-new(*) {
+        animation-duration: 30s;
+        opacity: 0;
+      }
+      ::view-transition-old(*) {
+        animation: unset;
+        opacity: 1;
+      }
+      */
+    </style>
+    <script>
+      function startTransition() {
+        window.transition = document.startViewTransition(() => {
+          document.body.classList.toggle('scrollable');
+        });
+      }
+
+      onload = () => {
+        const params = new URLSearchParams(window.location.search);
+        if (params.has('scrollbar')) {
+          document.body.classList.add('scrollable');
+        }
+      }
+    </script>
+  </head>
+  <body>
+    <div></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/docs/running-tests/from-local-system.md b/tests/wpt/web-platform-tests/docs/running-tests/from-local-system.md
index 77f4799fb24..f47396acc3c 100644
--- a/tests/wpt/web-platform-tests/docs/running-tests/from-local-system.md
+++ b/tests/wpt/web-platform-tests/docs/running-tests/from-local-system.md
@@ -33,7 +33,7 @@ installed for the user only:
 
 ```bash
 python -m ensurepip --user
-export PATH="$PATH:$HOME/Library/Python/2.7/bin"
+export PATH="$PATH:$( python3 -m site --user-base )/bin"
 pip install --user virtualenv
 ```
 
diff --git a/tests/wpt/web-platform-tests/fetch/private-network-access/resources/support.sub.js b/tests/wpt/web-platform-tests/fetch/private-network-access/resources/support.sub.js
index 8ffdf100ee8..a104021d158 100644
--- a/tests/wpt/web-platform-tests/fetch/private-network-access/resources/support.sub.js
+++ b/tests/wpt/web-platform-tests/fetch/private-network-access/resources/support.sub.js
@@ -635,6 +635,23 @@ async function workerFetchTest(t, { source, target, expected }) {
   assert_equals(message, expected.message, "response body");
 }
 
+async function workerBlobFetchTest(t, { source, target, expected }) {
+  const targetUrl = preflightUrl(target);
+
+  const fetcherUrl = resolveUrl(
+      'resources/worker-blob-fetcher.html', sourceResolveOptions(source));
+
+  const reply = futureMessage();
+  const iframe = await appendIframe(t, document, fetcherUrl);
+
+  iframe.contentWindow.postMessage({ url: targetUrl.href }, "*");
+
+  const { error, status, message } = await reply;
+  assert_equals(error, expected.error, "fetch error");
+  assert_equals(status, expected.status, "response status");
+  assert_equals(message, expected.message, "response body");
+}
+
 async function sharedWorkerFetchTest(t, { source, target, expected }) {
   const targetUrl = preflightUrl(target);
 
diff --git a/tests/wpt/web-platform-tests/fetch/private-network-access/resources/worker-blob-fetcher.html b/tests/wpt/web-platform-tests/fetch/private-network-access/resources/worker-blob-fetcher.html
new file mode 100644
index 00000000000..18a454b7fa3
--- /dev/null
+++ b/tests/wpt/web-platform-tests/fetch/private-network-access/resources/worker-blob-fetcher.html
@@ -0,0 +1,45 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>Worker Fetcher</title>
+<script>
+  window.addEventListener("message", function (evt) {
+    const { url } = evt.data;
+
+    const workerScriptContent = `
+      async function doFetch(url) {
+        const response = await fetch(url);
+        const body = await response.text();
+        return {
+          status: response.status,
+          body,
+        };
+      }
+
+      async function fetchAndPost(url) {
+        try {
+          const message = await doFetch(url);
+          self.postMessage(message);
+        } catch(e) {
+          self.postMessage({ error: e.name });
+        }
+      }
+
+      fetchAndPost("${url}");
+    `;
+    const blob =
+        new Blob([workerScriptContent], {type: 'application/javascript'});
+    const workerScriptUrl = URL.createObjectURL(blob);
+
+    const worker = new Worker(workerScriptUrl);
+
+    URL.revokeObjectURL(workerScriptUrl);
+
+    worker.addEventListener("message", (evt) => {
+      parent.postMessage(evt.data, "*");
+    });
+
+    worker.addEventListener("error", (evt) => {
+      parent.postMessage({ error: evt.message || "unknown error" }, "*");
+    });
+  });
+</script>
diff --git a/tests/wpt/web-platform-tests/fetch/private-network-access/worker-blob-fetch.window.js b/tests/wpt/web-platform-tests/fetch/private-network-access/worker-blob-fetch.window.js
new file mode 100644
index 00000000000..80374143a28
--- /dev/null
+++ b/tests/wpt/web-platform-tests/fetch/private-network-access/worker-blob-fetch.window.js
@@ -0,0 +1,143 @@
+// META: script=/common/utils.js
+// META: script=resources/support.sub.js
+//
+// Spec: https://wicg.github.io/private-network-access/#integration-fetch
+//
+// These tests check that fetches from within `Worker` scripts loaded from blob
+// URLs are subject to Private Network Access checks, just like fetches from
+// within documents.
+//
+// This file covers only those tests that must execute in a non-secure context.
+// Other tests are defined in: worker-fetch.https.window.js
+
+promise_test(t => workerBlobFetchTest(t, {
+  source: { server: Server.HTTP_LOCAL },
+  target: { server: Server.HTTP_LOCAL },
+  expected: WorkerFetchTestResult.SUCCESS,
+}), "local to local: success.");
+
+promise_test(t => workerBlobFetchTest(t, {
+  source: { server: Server.HTTP_PRIVATE },
+  target: {
+    server: Server.HTTP_LOCAL,
+    behavior: {
+      preflight: PreflightBehavior.optionalSuccess(token()),
+      response: ResponseBehavior.allowCrossOrigin(),
+    },
+  },
+  expected: WorkerFetchTestResult.FAILURE,
+}), "private to local: failure.");
+
+promise_test(t => workerBlobFetchTest(t, {
+  source: { server: Server.HTTP_PRIVATE },
+  target: { server: Server.HTTP_PRIVATE },
+  expected: WorkerFetchTestResult.SUCCESS,
+}), "private to private: success.");
+
+promise_test(t => workerBlobFetchTest(t, {
+  source: { server: Server.HTTP_PUBLIC },
+  target: {
+    server: Server.HTTP_LOCAL,
+    behavior: {
+      preflight: PreflightBehavior.optionalSuccess(token()),
+      response: ResponseBehavior.allowCrossOrigin(),
+    },
+  },
+  expected: WorkerFetchTestResult.FAILURE,
+}), "public to local: failure.");
+
+promise_test(t => workerBlobFetchTest(t, {
+  source: { server: Server.HTTP_PUBLIC },
+  target: {
+    server: Server.HTTP_PRIVATE,
+    behavior: {
+      preflight: PreflightBehavior.optionalSuccess(token()),
+      response: ResponseBehavior.allowCrossOrigin(),
+    },
+  },
+  expected: WorkerFetchTestResult.FAILURE,
+}), "public to private: failure.");
+
+promise_test(t => workerBlobFetchTest(t, {
+  source: { server: Server.HTTP_PUBLIC },
+  target: { server: Server.HTTP_PUBLIC },
+  expected: WorkerFetchTestResult.SUCCESS,
+}), "public to public: success.");
+
+promise_test(t => workerBlobFetchTest(t, {
+  source: {
+    server: Server.HTTP_LOCAL,
+    treatAsPublic: true,
+  },
+  target: {
+    server: Server.HTTP_LOCAL,
+    behavior: { preflight: PreflightBehavior.optionalSuccess(token()) },
+  },
+  expected: WorkerFetchTestResult.FAILURE,
+}), "treat-as-public to local: failure.");
+
+promise_test(t => workerBlobFetchTest(t, {
+  source: {
+    server: Server.HTTP_LOCAL,
+    treatAsPublic: true,
+  },
+  target: {
+    server: Server.HTTP_PRIVATE,
+    behavior: {
+      preflight: PreflightBehavior.optionalSuccess(token()),
+      response: ResponseBehavior.allowCrossOrigin(),
+    },
+  },
+  expected: WorkerFetchTestResult.FAILURE,
+}), "treat-as-public to private: failure.");
+
+promise_test(t => workerBlobFetchTest(t, {
+  source: {
+    server: Server.HTTP_LOCAL,
+    treatAsPublic: true,
+  },
+  target: {
+    server: Server.HTTP_PUBLIC,
+    behavior: { response: ResponseBehavior.allowCrossOrigin() },
+  },
+  expected: WorkerFetchTestResult.SUCCESS,
+}), "treat-as-public to public: success.");
+
+// The following tests verify that workers served over HTTPS are not allowed to
+// make private network requests because they are not secure contexts.
+
+promise_test(t => workerBlobFetchTest(t, {
+  source: { server: Server.HTTPS_PRIVATE },
+  target: {
+    server: Server.HTTP_LOCAL,
+    behavior: {
+      preflight: PreflightBehavior.success(token()),
+      response: ResponseBehavior.allowCrossOrigin(),
+    },
+  },
+  expected: WorkerFetchTestResult.FAILURE,
+}), "private https to local: failure.");
+
+promise_test(t => workerBlobFetchTest(t, {
+  source: { server: Server.HTTPS_PUBLIC },
+  target: {
+    server: Server.HTTP_PRIVATE,
+    behavior: {
+      preflight: PreflightBehavior.success(token()),
+      response: ResponseBehavior.allowCrossOrigin(),
+    },
+  },
+  expected: WorkerFetchTestResult.FAILURE,
+}), "public https to private: failure.");
+
+promise_test(t => workerBlobFetchTest(t, {
+  source: { server: Server.HTTPS_PUBLIC },
+  target: {
+    server: Server.HTTP_LOCAL,
+    behavior: {
+      preflight: PreflightBehavior.success(token()),
+      response: ResponseBehavior.allowCrossOrigin(),
+    },
+  },
+  expected: WorkerFetchTestResult.FAILURE,
+}), "public https to local: failure.");
diff --git a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-anchor-change-display.html b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-anchor-change-display.html
index a80377441b0..435929a6c1b 100644
--- a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-anchor-change-display.html
+++ b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-anchor-change-display.html
@@ -1,7 +1,8 @@
 <!DOCTYPE html>
 <meta charset="utf-8">
 <link rel=author href="mailto:xiaochengh@chromium.org">
-<link rel=help href="https://open-ui.org/components/popup.research.explainer">
+<link rel=help href="https://open-ui.org/components/popover.research.explainer">
+<link rel=help href="https://html.spec.whatwg.org/multipage/popover.html">
 <link rel=match href="popover-anchor-change-display-ref.html">
 <script src="resources/popover-utils.js"></script>
 
diff --git a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-anchor-display-none.html b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-anchor-display-none.html
index a4285607fd3..55a11fafdb5 100644
--- a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-anchor-display-none.html
+++ b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-anchor-display-none.html
@@ -2,7 +2,8 @@
 <meta charset="utf-8">
 <title>Tests that a popover can be anchored to an unrendered element.</title>
 <link rel=author href="mailto:xiaochengh@chromium.org">
-<link rel=help href="https://open-ui.org/components/popup.research.explainer">
+<link rel=help href="https://open-ui.org/components/popover.research.explainer">
+<link rel=help href="https://html.spec.whatwg.org/multipage/popover.html">
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
 
diff --git a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-anchor-display.html b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-anchor-display.html
index 23d50df7634..d50dd6c857b 100644
--- a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-anchor-display.html
+++ b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-anchor-display.html
@@ -1,7 +1,8 @@
 <!DOCTYPE html>
 <meta charset="utf-8">
 <link rel=author href="mailto:masonf@chromium.org">
-<link rel=help href="https://open-ui.org/components/popup.research.explainer">
+<link rel=help href="https://open-ui.org/components/popover.research.explainer">
+<link rel=help href="https://html.spec.whatwg.org/multipage/popover.html">
 <link rel=match href="popover-anchor-display-ref.html">
 <link rel=stylesheet href="/fonts/ahem.css">
 <script src="resources/popover-utils.js"></script>
diff --git a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-anchor-idl-property.html b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-anchor-idl-property.html
index bc9f3ae770d..37c79efe1ca 100644
--- a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-anchor-idl-property.html
+++ b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-anchor-idl-property.html
@@ -1,7 +1,8 @@
 <!DOCTYPE html>
 <meta charset="utf-8">
 <link rel="author" href="mailto:masonf@chromium.org">
-<link rel=help href="https://open-ui.org/components/popup.research.explainer">
+<link rel=help href="https://open-ui.org/components/popover.research.explainer">
+<link rel=help href="https://html.spec.whatwg.org/multipage/popover.html">
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
 
diff --git a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-anchor-nested-display-ref.html b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-anchor-nested-display-ref.html
index 17311f218b2..9942b41e365 100644
--- a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-anchor-nested-display-ref.html
+++ b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-anchor-nested-display-ref.html
@@ -1,7 +1,8 @@
 <!DOCTYPE html>
 <meta charset="utf-8">
 <link rel=author href="mailto:xiaochengh@chromium.org">
-<link rel=help href="https://open-ui.org/components/popup.research.explainer">
+<link rel=help href="https://open-ui.org/components/popover.research.explainer">
+<link rel=help href="https://html.spec.whatwg.org/multipage/popover.html">
 
 <button id=main-menu-button>Show menu</button>
 
diff --git a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-anchor-nested-display.html b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-anchor-nested-display.html
index 426c0fcb855..4b83d9677b9 100644
--- a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-anchor-nested-display.html
+++ b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-anchor-nested-display.html
@@ -1,7 +1,8 @@
 <!DOCTYPE html>
 <meta charset="utf-8">
 <link rel=author href="mailto:xiaochengh@chromium.org">
-<link rel=help href="https://open-ui.org/components/popup.research.explainer">
+<link rel=help href="https://open-ui.org/components/popover.research.explainer">
+<link rel=help href="https://html.spec.whatwg.org/multipage/popover.html">
 <link rel=match href="popover-anchor-nested-display-ref.html">
 
 <button id=main-menu-button popovertoggletarget=main-menu>Show menu</button>
diff --git a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-anchor-nesting.html b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-anchor-nesting.html
index 7490d75dc09..e3e712b937a 100644
--- a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-anchor-nesting.html
+++ b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-anchor-nesting.html
@@ -2,7 +2,8 @@
 <meta charset="utf-8" />
 <title>Popover anchor nesting</title>
 <link rel="author" href="mailto:masonf@chromium.org">
-<link rel=help href="https://open-ui.org/components/popup.research.explainer">
+<link rel=help href="https://open-ui.org/components/popover.research.explainer">
+<link rel=help href="https://html.spec.whatwg.org/multipage/popover.html">
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
 <script src="/resources/testdriver.js"></script>
diff --git a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-anchor-scroll-display.html b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-anchor-scroll-display.html
index 85a05323784..9a14b44f049 100644
--- a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-anchor-scroll-display.html
+++ b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-anchor-scroll-display.html
@@ -2,7 +2,8 @@
 <html class="reftest-wait">
 <meta charset="utf-8">
 <link rel=author href="mailto:xiaochengh@chromium.org">
-<link rel=help href="https://open-ui.org/components/popup.research.explainer">
+<link rel=help href="https://open-ui.org/components/popover.research.explainer">
+<link rel=help href="https://html.spec.whatwg.org/multipage/popover.html">
 <link rel=match href="popover-anchor-scroll-display-ref.html">
 
 <div class=spacer style="height: 200px"></div>
diff --git a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-animated-display-ref.html b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-animated-display-ref.html
deleted file mode 100644
index 477a97c12cc..00000000000
--- a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-animated-display-ref.html
+++ /dev/null
@@ -1,26 +0,0 @@
-<!DOCTYPE html>
-<link rel="stylesheet" href="resources/popover-styles.css">
-
-<div class=topmost></div>
-<div class=fake-popover>This is a popover</div>
-
-
-<style>
-  .fake-popover {
-    width: 100px;
-    height: 100px;
-    margin: 1em;
-    /* The animated property */
-    left: 100px;
-  }
-  .topmost {
-    position:fixed;
-    top:0;
-    left:0;
-    width:1000px;
-    height:1000px;
-    background:green;
-    margin:0;
-    padding:0;
-  }
-</style>
diff --git a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-animated-hide-cleanup.html b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-animated-hide-cleanup.html
deleted file mode 100644
index 9310acc4ff2..00000000000
--- a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-animated-hide-cleanup.html
+++ /dev/null
@@ -1,98 +0,0 @@
-
-<!DOCTYPE html>
-<meta charset="utf-8">
-<link rel=author href="mailto:masonf@chromium.org">
-<link rel=help href="https://open-ui.org/components/popup.research.explainer">
-<script src="/resources/testharness.js"></script>
-<script src="/resources/testharnessreport.js"></script>
-<script src="/resources/testdriver.js"></script>
-<script src="/resources/testdriver-actions.js"></script>
-<script src="/resources/testdriver-vendor.js"></script>
-<script src="resources/popover-utils.js"></script>
-<script src="/common/gc.js"></script>
-
-<dialog>I am a dialog</dialog>
-
-<style>
-[popover].animation {
-  left: 0px;
-}
-[popover].animation:open {
-  animation: move 1000s;
-}
-@keyframes move {
-  from { left: 0px; }
-  to { left: 200px; }
-}
-
-[popover].transition {
-  opacity: 0;
-  transition: opacity 5s;
-}
-[popover].transition:open {
-  opacity: 1;
-}
-
-[popover] {
-  top: 200px;
-}
-[popover]::backdrop {
-  background-color: rgba(255,0,0,0.2);
-}
-</style>
-
-<script>
-function rAF() {
-  return new Promise(resolve => requestAnimationFrame(resolve));
-}
-function addPopover(classname) {
-  const popover = document.createElement('div');
-  popover.popover = 'auto';
-  popover.classList = classname;
-  popover.textContent = 'This is a popover';
-  document.body.appendChild(popover);
-  return popover;
-}
-promise_test(async () => {
-  let popover = addPopover("animation");
-  let dialog = document.querySelector('dialog');
-  popover.showPopover(); // No animations here
-  await rAF();
-  popover.hidePopover(); // Start animations
-  await rAF();
-  popover.remove();
-  await garbageCollect();
-  await rAF();
-  // This test passes if it does not crash.
-},'Ensure no crashes if running animations are immediately cancelled (document removal)');
-
-promise_test(async (t) => {
-  let popover = addPopover("animation");
-  let dialog = document.querySelector('dialog');
-  popover.showPopover(); // No animations here
-  await rAF();
-  popover.hidePopover(); // Start animations
-  await rAF();
-  dialog.showModal(); // Immediately hide popover
-  t.add_cleanup(() => dialog.close());
-  await rAF();
-  popover.remove();
-  await garbageCollect();
-  await rAF();
-  // This test passes if it does not crash.
-},'Ensure no crashes if running animations are immediately cancelled (dialog showModal)');
-
-promise_test(async (t) => {
-  let popover = addPopover("transition");
-  let dialog = document.querySelector('dialog');
-  let button = document.createElement('button');
-  t.add_cleanup(() => {popover.remove();button.remove();});
-  document.body.appendChild(button);
-  button.addEventListener('click',() => dialog.show());
-  popover.showPopover(); // No animations here
-  await rAF();
-  await clickOn(button);
-  await rAF();
-  // This test passes if it does not crash.
-},'Ensure no crashes if running transitions are immediately cancelled (button click)');
-</script>
diff --git a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-animated-hide-display.html b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-animated-hide-display.html
deleted file mode 100644
index b914d80e69a..00000000000
--- a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-animated-hide-display.html
+++ /dev/null
@@ -1,57 +0,0 @@
-<!DOCTYPE html>
-<html class="reftest-wait">
-<meta charset="utf-8">
-<link rel=author href="mailto:masonf@chromium.org">
-<link rel=help href="https://open-ui.org/components/popup.research.explainer">
-<link rel=match href="popover-animated-display-ref.html">
-
-<div popover>This is a popover</div>
-<div class=topmost></div>
-
-<style>
-  [popover] {
-    width: 100px;
-    height: 100px;
-    margin: 1em;
-    left: 0;
-    transition: left 20s steps(2, jump-end) -10s;
-  }
-  [popover]:open {
-    left: 200px;
-  }
-  .topmost {
-    position:fixed;
-    z-index: 999999;
-    top:0;
-    left:0;
-    width:1000px;
-    height:1000px;
-    background:green;
-    margin:0;
-    padding:0;
-  }
-</style>
-
-<script>
-window.onload = () => {
-  requestAnimationFrame(() => {
-    requestAnimationFrame(() => {
-      // This will show the popover, hide the popover, and start the transition.
-      const popover = document.querySelector('[popover]');
-      popover.showPopover();
-      popover.getAnimations()[0].finish();
-      if (getComputedStyle(popover).left != "200px")
-        popover.remove();
-      popover.hidePopover();
-      document.getAnimations()[0].ready.then(() => {
-        requestAnimationFrame(() => {
-          requestAnimationFrame(() => {
-            // Take a screenshot now.
-            document.documentElement.classList.remove('reftest-wait');
-          });
-        });
-      });
-    });
-  });
-}
-</script>
diff --git a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-animated-hide-finishes-ref.html b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-animated-hide-finishes-ref.html
deleted file mode 100644
index d8334f985ed..00000000000
--- a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-animated-hide-finishes-ref.html
+++ /dev/null
@@ -1,16 +0,0 @@
-<!DOCTYPE html>
-
-<div class=topmost></div>
-
-<style>
-  .topmost {
-    position:fixed;
-    top:0;
-    left:0;
-    width:1000px;
-    height:1000px;
-    background:green;
-    margin:0;
-    padding:0;
-  }
-</style>
diff --git a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-animated-hide-finishes.html b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-animated-hide-finishes.html
deleted file mode 100644
index 1af583b5a83..00000000000
--- a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-animated-hide-finishes.html
+++ /dev/null
@@ -1,56 +0,0 @@
-<!DOCTYPE html>
-<html class="reftest-wait">
-<meta charset="utf-8">
-<link rel=author href="mailto:masonf@chromium.org">
-<link rel=help href="https://open-ui.org/components/popup.research.explainer">
-<link rel=match href="popover-animated-hide-finishes-ref.html">
-
-<div popover>This is a popover</div>
-<div class=topmost></div>
-
-<style>
-  [popover] {
-    width: 100px;
-    height: 100px;
-    margin: 1em;
-    left: 0;
-    /* Immediate transition: */
-    transition: left 1s -1s;
-  }
-  [popover]:open {
-    left: 200px;
-  }
-  [popover]::backdrop {
-    background-color: red;
-  }
-  .topmost {
-    position:fixed;
-    z-index: 999999;
-    top:0;
-    left:0;
-    width:1000px;
-    height:1000px;
-    background:green;
-    margin:0;
-    padding:0;
-  }
-</style>
-
-<script>
-window.onload = () => {
-  requestAnimationFrame(() => {
-    requestAnimationFrame(() => {
-      // This will show the popover, hide the popover, and start the hide transition,
-      // which should immediately finish.
-      document.querySelector('[popover]').showPopover();
-      document.querySelector('[popover]').hidePopover();
-      requestAnimationFrame(() => {
-        requestAnimationFrame(() => {
-          // Take a screenshot now.
-          document.documentElement.classList.remove('reftest-wait');
-        });
-      });
-    });
-  });
-}
-</script>
diff --git a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-animated-show-display.html b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-animated-show-display.html
deleted file mode 100644
index 6857103a759..00000000000
--- a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-animated-show-display.html
+++ /dev/null
@@ -1,52 +0,0 @@
-<!DOCTYPE html>
-<html class="reftest-wait">
-<meta charset="utf-8">
-<link rel=author href="mailto:masonf@chromium.org">
-<link rel=help href="https://open-ui.org/components/popup.research.explainer">
-<link rel=match href="popover-animated-display-ref.html">
-
-<div popover>This is a popover</div>
-<div class=topmost></div>
-
-<style>
-  [popover] {
-    width: 100px;
-    height: 100px;
-    margin: 1em;
-    left: 0;
-    transition: left 20s steps(2, jump-end) -10s;
-  }
-  [popover]:open {
-    left: 200px;
-  }
-  .topmost {
-    position:fixed;
-    z-index: 999999;
-    top:0;
-    left:0;
-    width:1000px;
-    height:1000px;
-    background:green;
-    margin:0;
-    padding:0;
-  }
-</style>
-
-<script>
-window.onload = () => {
-  requestAnimationFrame(() => {
-    requestAnimationFrame(() => {
-      // This will show the popover, and start the transition.
-      document.querySelector('[popover]').showPopover();
-      document.getAnimations()[0].ready.then(() => {
-        requestAnimationFrame(() => {
-          requestAnimationFrame(() => {
-            // Take a screenshot now.
-            document.documentElement.classList.remove('reftest-wait');
-          });
-        });
-      });
-    });
-  });
-}
-</script>
diff --git a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-animation-corner-cases.html b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-animation-corner-cases.html
deleted file mode 100644
index f41f7a68df9..00000000000
--- a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-animation-corner-cases.html
+++ /dev/null
@@ -1,230 +0,0 @@
-
-<!DOCTYPE html>
-<meta charset="utf-8">
-<link rel=author href="mailto:masonf@chromium.org">
-<link rel=help href="https://open-ui.org/components/popup.research.explainer">
-<script src="/resources/testharness.js"></script>
-<script src="/resources/testharnessreport.js"></script>
-<script src="resources/popover-utils.js"></script>
-
-<body>
-<style>
-.animation { opacity: 0; }
-.animation:open { opacity: 1; }
-.animation:not(:open) { animation: fade-out 1000s; }
-@keyframes fade-out {
-  from { opacity: 1; }
-  to { opacity: 0; }
-}
-
-.animation>div>div { left: 0; }
-.animation:not(:open)>div>div { animation: rotate 1000s; color:red;}
-@keyframes rotate {
-  from { transform: rotate(0); }
-  to { transform: rotate(360deg); }
-}
-
-[popover] { top: 200px; }
-[popover]::backdrop { background-color: rgba(255,0,0,0.2); }
-</style>
-
-<script>
-function createPopover(t,type) {
-  const popover = document.createElement('div');
-  popover.popover = 'auto';
-  popover.classList = type;
-  const div = document.createElement('div');
-  const descendent = div.appendChild(document.createElement('div'));
-  descendent.appendChild(document.createTextNode("Descendent element"));
-  popover.append("This is a pop up",div);
-  document.body.appendChild(popover);
-  t.add_cleanup(() => popover.remove());
-  return {popover, descendent};
-}
-promise_test(async (t) => {
-  const {popover, descendent} = createPopover(t,'animation');
-  assert_false(isElementVisible(popover));
-  assert_equals(descendent.parentElement.parentElement,popover);
-  assert_true(popover.matches(':closed'));
-  assert_false(popover.matches(':open'));
-  popover.showPopover();
-  assert_false(popover.matches(':closed'));
-  assert_true(popover.matches(':open'));
-  assert_true(isElementVisible(popover));
-  assert_equals(popover.getAnimations({subtree: true}).length,0);
-  popover.hidePopover();
-  const animations = popover.getAnimations({subtree: true});
-  assert_equals(animations.length,2,'There should be two animations running');
-  assert_false(popover.matches(':open'),'popover should not match :open as soon as hidden');
-  assert_false(popover.matches(':closed'),'popover should not match :closed until animations complete');
-  assert_true(isElementVisible(popover),'but animations should keep the popover visible');
-  assert_true(isElementVisible(descendent),'The descendent should also be visible');
-  await waitForRender();
-  await waitForRender();
-  assert_equals(popover.getAnimations({subtree: true}).length,2,'The animations should still be running');
-  assert_true(isElementVisible(popover),'Popover should still be visible due to animation');
-  animations.forEach(animation => animation.finish()); // Force the animations to finish
-  await waitForRender(); // Wait one frame
-  assert_true(popover.matches(':closed'),'The pop up should now match :closed');
-  assert_false(popover.matches(':open'),'The pop up still shouldn\'t match :open');
-  assert_false(isElementVisible(popover),'The pop up should now be invisible');
-  assert_false(isElementVisible(descendent),'The descendent should also be invisible');
-  assert_equals(popover.getAnimations({subtree: true}).length,0);
-},'Descendent animations should keep the pop up visible until the animation ends');
-
-promise_test(async (t) => {
-  const {popover, descendent} = createPopover(t,'');
-  assert_equals(popover.classList.length, 0);
-  assert_false(isElementVisible(popover));
-  popover.showPopover();
-  assert_true(popover.matches(':open'));
-  assert_true(isElementVisible(popover));
-  assert_equals(popover.getAnimations({subtree: true}).length,0);
-  // Start an animation on the popover and its descendent.
-  popover.animate([{opacity: 1},{opacity: 0}],{duration: 1000000,iterations: 1});
-  descendent.animate([{transform: 'rotate(0)'},{transform: 'rotate(360deg)'}],1000000);
-  assert_equals(popover.getAnimations({subtree: true}).length,2);
-  // Then hide the popover.
-  popover.hidePopover();
-  assert_false(popover.matches(':open'),'pop up should not match :open as soon as hidden');
-  assert_true(popover.matches(':closed'),'pop up should match :closed immediately');
-  assert_equals(popover.getAnimations({subtree: true}).length,2,'animations should still be running');
-  await waitForRender();
-  assert_equals(popover.getAnimations({subtree: true}).length,2,'animations should still be running');
-  assert_false(isElementVisible(popover),'Pre-existing animations should not keep the pop up visible');
-},'Pre-existing animations should *not* keep the pop up visible until the animation ends');
-
-promise_test(async (t) => {
-  const {popover, descendent} = createPopover(t,'');
-  popover.showPopover();
-  assert_true(isElementVisible(popover));
-  assert_equals(popover.getAnimations({subtree: true}).length,0);
-  let animation;
-  popover.addEventListener('beforetoggle', (e) => {
-    if (e.newState !== "closed")
-      return;
-    animation = popover.animate([{opacity: 1},{opacity: 0}],1000000);
-  });
-  assert_equals(popover.getAnimations({subtree: true}).length,0,'There should be no animations yet');
-  popover.hidePopover();
-  assert_equals(popover.getAnimations({subtree: true}).length,1,'the hide animation should now be running');
-  assert_true(!!animation);
-  assert_true(isElementVisible(popover),'The animation should keep the popover visible');
-  animation.finish();
-  await waitForRender();
-  assert_false(isElementVisible(popover),'Once the animation ends, the popover is hidden');
-},'It should be possible to use the "beforetoggle" event handler to animate the hide');
-
-
-promise_test(async (t) => {
-  const {popover, descendent} = createPopover(t,'');
-  const dialog = document.body.appendChild(document.createElement('dialog'));
-  t.add_cleanup(() => dialog.remove());
-  popover.showPopover();
-  assert_true(isElementVisible(popover));
-  assert_equals(popover.getAnimations({subtree: true}).length,0);
-  let animation;
-  popover.addEventListener('beforetoggle', (e) => {
-    if (e.newState !== "closed")
-      return;
-    animation = popover.animate([{opacity: 1},{opacity: 0}],1000000);
-  });
-  assert_equals(popover.getAnimations({subtree: true}).length,0,'There should be no animations yet');
-  dialog.showModal(); // Force hide the popover
-  await waitForRender();
-  assert_equals(popover.getAnimations({subtree: true}).length,1,'the hide animation should now be running');
-  assert_true(isElementVisible(popover),'And the animation should keep the popover visible');
-  animation.finish();
-  await waitForRender();
-  assert_false(isElementVisible(popover),'Once the animation ends, the popover is hidden');
-},'It should be possible to use the "beforetoggle" event handler to animate the hide, even when the hide is due to dialog.showModal');
-
-promise_test(async (t) => {
-  const {popover, descendent} = createPopover(t,'');
-  popover.showPopover();
-  assert_true(isElementVisible(popover));
-  popover.addEventListener('beforetoggle', (e) => e.preventDefault());
-  popover.hidePopover();
-  await waitForRender();
-  assert_false(isElementVisible(popover),'Even if hide event is cancelled, the popover still closes');
-},'toggle event cannot be cancelled');
-
-promise_test(async (t) => {
-  const {popover, descendent} = createPopover(t,'animation');
-  assert_false(isElementVisible(popover));
-  popover.showPopover();
-  assert_false(popover.matches(':closed'));
-  assert_true(popover.matches(':open'));
-  assert_true(isElementVisible(popover));
-  assert_equals(popover.getAnimations({subtree: true}).length,0);
-  popover.popover = 'manual';
-  const animations = popover.getAnimations({subtree: true});
-  assert_equals(animations.length,2,'There should be two animations running');
-  assert_false(popover.matches(':open'),'popover should not match :open as soon as hidden');
-  assert_false(popover.matches(':closed'),'popover should not match :closed until animations complete');
-  assert_true(isElementVisible(popover),'but animations should keep the popover visible');
-  animations.forEach(animation => animation.finish()); // Force the animations to finish
-  await waitForRender(); // Wait one frame
-  assert_true(popover.matches(':closed'),'The pop up should now match :closed');
-  assert_false(popover.matches(':open'),'The pop up still shouldn\'t match :open');
-  assert_false(isElementVisible(popover),'The pop up should now be invisible');
-},'Closing animations are triggered by changing the popover type');
-
-promise_test(async (t) => {
-  const {popover, descendent} = createPopover(t,'');
-  popover.showPopover();
-  assert_true(isElementVisible(popover));
-  assert_equals(popover.getAnimations({subtree: true}).length,0);
-  popover.addEventListener('beforetoggle', (e) => {
-    if (e.newState !== "closed")
-      return;
-    popover.animate([{opacity: 1},{opacity: 0}],1000000);
-  });
-  assert_equals(popover.getAnimations({subtree: true}).length,0,'There should be no animations yet');
-  popover.hidePopover();
-  await waitForRender();
-  assert_equals(popover.getAnimations({subtree: true}).length,1,'the hide animation should now be running');
-  assert_true(isElementVisible(popover),'The popover should still be visible because the animation hasn\'t ended.');
-  const animation = popover.getAnimations({subtree: true})[0];
-
-  animation.dispatchEvent(new Event('finish'));
-  await waitForRender();
-  assert_true(isElementVisible(popover),'Synthetic finish events should not stop the animation, so the popover should still be visible.');
-  assert_equals(popover.getAnimations({subtree: true}).length,1,'the hide animation should still be running');
-
-  animation.dispatchEvent(new Event('cancel'));
-  await waitForRender();
-  assert_true(isElementVisible(popover),'Synthetic cancel events should not stop the animation, so the popover should still be visible.');
-  assert_equals(popover.getAnimations({subtree: true}).length,1,'the hide animation should still be running');
-},'animation finish/cancel events must be trusted in order to finish closing the popover.');
-
-promise_test(async (t) => {
-  const {popover, descendent} = createPopover(t,'');
-  popover.showPopover();
-  popover.addEventListener('beforetoggle', (e) => {
-    if (e.newState !== "closed")
-      return;
-    popover.animate([{opacity: 1},{opacity: 0}],1000000);
-  });
-  popover.hidePopover();
-  await waitForRender();
-  assert_true(isElementVisible(popover),'The popover should still be visible because the animation hasn\'t ended.');
-  assert_equals(popover.getAnimations({subtree: true}).length,1,'There should be one animation running');
-  const animation = popover.getAnimations({subtree: true})[0];
-  let new_animation;
-  const listener = () => {new_animation = popover.animate([{opacity: 1},{opacity: 0}],1000000)};
-  animation.addEventListener('finish',listener,{capture:true});
-  animation.addEventListener('cancel',listener,{capture:true});
-  popover.addEventListener('animationfinish',listener,{capture:true});
-  popover.addEventListener('animationcancel',listener,{capture:true});
-  assert_true(isElementVisible(popover),'The popover should still be visible.');
-  assert_equals(new_animation, undefined,'New animation should not be started yet.');
-  animation.finish();
-  await waitForRender(); // Wait one frame
-  assert_true(popover.matches(':closed'),'The pop up should now match :closed');
-  assert_false(popover.matches(':open'),'The pop up still shouldn\'t match :open');
-  assert_false(isElementVisible(popover),'The pop up should now be invisible');
-  assert_not_equals(new_animation, animation);
-  assert_equals(popover.getAnimations({subtree: true})[0],new_animation,'The new animation should now be running');
-},'Capturing event listeners can\'t affect popover animations.');
-</script>
diff --git a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-appearance.html b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-appearance.html
index 87cc4ba3fc8..e9050bdeb9d 100644
--- a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-appearance.html
+++ b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-appearance.html
@@ -2,7 +2,8 @@
 <meta charset="utf-8" />
 <title>Popover element appearance</title>
 <link rel="author" href="mailto:masonf@chromium.org">
-<link rel=help href="https://open-ui.org/components/popup.research.explainer">
+<link rel=help href="https://open-ui.org/components/popover.research.explainer">
+<link rel=help href="https://html.spec.whatwg.org/multipage/popover.html">
 <link rel="match" href="popover-appearance-ref.html">
 
 <style>
diff --git a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-attribute-basic.html b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-attribute-basic.html
index bc32c357d3a..0abba9c4e87 100644
--- a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-attribute-basic.html
+++ b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-attribute-basic.html
@@ -32,16 +32,8 @@
   <dialog open>Dialog without popover attribute</dialog>
 </div>
 
-<div popover class=animated>Animated popover</div>
 <div id=outside></div>
 <style>
-[popover].animated {
-  opacity: 0;
-  transition: opacity 10s;
-}
-[popover].animated:open {
-  opacity: 1;
-}
 [popover] {
   inset:auto;
   top:0;
@@ -106,11 +98,11 @@ window.onload = () => {
     // be invisible. Otherwise, it should be visible.
     const expectVisible = !nonPopover.hasAttribute('popover');
     assertPopoverVisibility(nonPopover, /*isPopover*/false, expectVisible, 'A non-popover should start out visible');
-    assert_throws_dom("InvalidStateError",() => nonPopover.showPopover(),'Calling showPopover on a non-popover should throw InvalidStateError');
+    assert_throws_dom("NotSupportedError",() => nonPopover.showPopover(),'Calling showPopover on a non-popover should throw NotSupported');
     assertPopoverVisibility(nonPopover, /*isPopover*/false, expectVisible, 'Calling showPopover on a non-popover should leave it visible');
-    assert_throws_dom("InvalidStateError",() => nonPopover.hidePopover(),'Calling hidePopover on a non-popover should throw InvalidStateError');
+    assert_throws_dom("NotSupportedError",() => nonPopover.hidePopover(),'Calling hidePopover on a non-popover should throw NotSupported');
     assertPopoverVisibility(nonPopover, /*isPopover*/false, expectVisible, 'Calling hidePopover on a non-popover should leave it visible');
-    assert_throws_dom("InvalidStateError",() => nonPopover.togglePopover(),'Calling togglePopover on a non-popover should throw InvalidStateError');
+    assert_throws_dom("NotSupportedError",() => nonPopover.togglePopover(),'Calling togglePopover on a non-popover should throw NotSupported');
     assertPopoverVisibility(nonPopover, /*isPopover*/false, expectVisible, 'Calling togglePopover on a non-popover should leave it visible');
   }
 
@@ -406,28 +398,6 @@ window.onload = () => {
     });
   });
 
-  promise_test(async () => {
-    const popover = document.querySelector('[popover].animated');
-    assert_true(!!popover);
-    assert_false(isElementVisible(popover));
-    popover.showPopover();
-    assert_true(popover.matches(':open'));
-    assert_false(popover.matches(':closed'));
-    assert_true(getComputedStyle(popover).opacity < 0.1,'Animations should start on show');
-    assert_throws_dom("InvalidStateError",() => popover.showPopover(),'Calling showPopover on a popover that is in the process of animating show should throw InvalidStateError');
-    await finishAnimations(popover);
-    assert_true(getComputedStyle(popover).opacity > 0.9);
-    assert_true(isElementVisible(popover));
-    popover.hidePopover();
-    assert_false(popover.matches(':open'));
-    assert_false(popover.matches(':closed'),'Not :closed until animations finish');
-    assert_true(getComputedStyle(popover).opacity > 0.9,'Animations should start on hide');
-    assert_throws_dom("InvalidStateError",() => popover.hidePopover(),'Calling hidePopover on a popover that is in the process of animating hide should throw InvalidStateError');
-    assert_throws_dom("InvalidStateError",() => popover.showPopover(),'Calling showPopover on a popover that is in the process of animating hide should throw InvalidStateError');
-    await finishAnimations(popover);
-    assert_true(popover.matches(':closed'),':closed should match once animations finish');
-  },'Exceptions are thrown even when show/hide are animated');
-
   done();
 };
 </script>
diff --git a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-backdrop-appearance.html b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-backdrop-appearance.html
index 4c5c0acec99..c71e148644b 100644
--- a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-backdrop-appearance.html
+++ b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-backdrop-appearance.html
@@ -2,7 +2,8 @@
 <meta charset="utf-8" />
 <title>Popover ::backdrop pseudo element appearance</title>
 <link rel="author" href="mailto:masonf@chromium.org">
-<link rel=help href="https://open-ui.org/components/popup.research.explainer">
+<link rel=help href="https://open-ui.org/components/popover.research.explainer">
+<link rel=help href="https://html.spec.whatwg.org/multipage/popover.html">
 <link rel="match" href="popover-backdrop-appearance-ref.html">
 
 <style>
diff --git a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-beforetoggle-opening-event.html b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-beforetoggle-opening-event.html
index b2c3fa5d68b..e3597d1c699 100644
--- a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-beforetoggle-opening-event.html
+++ b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-beforetoggle-opening-event.html
@@ -2,7 +2,8 @@
 <meta charset="utf-8" />
 <title>Popover show event</title>
 <link rel="author" href="mailto:masonf@chromium.org">
-<link rel=help href="https://open-ui.org/components/popup.research.explainer">
+<link rel=help href="https://open-ui.org/components/popover.research.explainer">
+<link rel=help href="https://html.spec.whatwg.org/multipage/popover.html">
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
 
diff --git a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-dialog-appearance.html b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-dialog-appearance.html
index 02b34bfc675..8b4edadee9e 100644
--- a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-dialog-appearance.html
+++ b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-dialog-appearance.html
@@ -2,7 +2,8 @@
 <meta charset="utf-8" />
 <title>Dialog-Popover appearance</title>
 <link rel="author" href="mailto:masonf@chromium.org">
-<link rel=help href="https://open-ui.org/components/popup.research.explainer">
+<link rel=help href="https://open-ui.org/components/popover.research.explainer">
+<link rel=help href="https://html.spec.whatwg.org/multipage/popover.html">
 <link rel="match" href="popover-dialog-appearance-ref.html">
 
 <p>Both dialogs should have the same shades of background.</p>
diff --git a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-dialog-crash.html b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-dialog-crash.html
index 76f51b8a5ed..e7579d5a386 100644
--- a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-dialog-crash.html
+++ b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-dialog-crash.html
@@ -3,7 +3,8 @@
 <meta charset="utf-8" />
 <title>Dialog-Popover crash</title>
 <link rel="author" href="mailto:masonf@chromium.org">
-<link rel=help href="https://open-ui.org/components/popup.research.explainer">
+<link rel=help href="https://open-ui.org/components/popover.research.explainer">
+<link rel=help href="https://html.spec.whatwg.org/multipage/popover.html">
 <script src="/resources/testdriver.js"></script>
 <script src="/resources/testdriver-actions.js"></script>
 <script src="/resources/testdriver-vendor.js"></script>
diff --git a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-document-open.html b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-document-open.html
index 429fd89d3ba..db43fd02b92 100644
--- a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-document-open.html
+++ b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-document-open.html
@@ -1,7 +1,8 @@
 <!DOCTYPE html>
 <meta charset="utf-8">
 <link rel="author" href="mailto:masonf@chromium.org">
-<link rel=help href="https://open-ui.org/components/popup.research.explainer">
+<link rel=help href="https://open-ui.org/components/popover.research.explainer">
+<link rel=help href="https://html.spec.whatwg.org/multipage/popover.html">
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
 
diff --git a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-events.html b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-events.html
index b2994245700..1ccd9967c5c 100644
--- a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-events.html
+++ b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-events.html
@@ -2,7 +2,8 @@
 <meta charset="utf-8" />
 <title>Popover events</title>
 <link rel="author" href="mailto:masonf@chromium.org">
-<link rel=help href="https://open-ui.org/components/popup.research.explainer">
+<link rel=help href="https://open-ui.org/components/popover.research.explainer">
+<link rel=help href="https://html.spec.whatwg.org/multipage/popover.html">
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
 <script src="resources/popover-utils.js"></script>
@@ -20,7 +21,7 @@ function getPopoverAndSignal(t) {
 window.onload = () => {
   for(const method of ["listener","attribute"]) {
     promise_test(async t => {
-      const popover = document.querySelector('[popover]');
+      const {popover,signal} = getPopoverAndSignal(t);
       assert_false(popover.matches(':open'));
       let showCount = 0;
       let afterShowCount = 0;
@@ -59,10 +60,9 @@ window.onload = () => {
       };
       switch (method) {
         case "listener":
-          const {signal} = getPopoverAndSignal(t);
-          // These events bubble.
-          document.addEventListener('beforetoggle', listener, {signal});
-          document.addEventListener('toggle', listener, {signal});
+          // These events do *not* bubble.
+          popover.addEventListener('beforetoggle', listener, {signal});
+          popover.addEventListener('toggle', listener, {signal});
           break;
         case "attribute":
           assert_false(popover.hasAttribute('onbeforetoggle'));
diff --git a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-focus.html b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-focus.html
index b1e59a13971..307ca8a80f5 100644
--- a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-focus.html
+++ b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-focus.html
@@ -54,15 +54,6 @@
     border: 2px solid black;
     top:150px;
     left:150px;
-    opacity: 0;
-  }
-  [popover]:not(:open) {
-    /* Add a *hide* transition to all popovers, to make sure animations don't
-       affect focus management */
-    transition: opacity 10s;
-  }
-  [popover]:open {
-    opacity: 1;
   }
   :focus-within { border: 5px dashed red; }
   :focus { border: 5px solid lime; }
@@ -90,10 +81,6 @@
     t.add_cleanup(() => priorFocus.remove());
     return priorFocus;
   }
-  async function finishAnimationsAndVerifyHide(popover) {
-    await finishAnimations(popover);
-    assert_false(isElementVisible(popover),'After animations are finished, the popover should be hidden');
-  }
   function activateAndVerify(popover) {
     const testName = popover.getAttribute('data-test');
     promise_test(async t => {
@@ -113,7 +100,7 @@
       assert_equals(document.activeElement, expectedFocusedElement, `${testName} activated by popover.showPopover()`);
       popover.hidePopover();
       assert_equals(document.activeElement, priorFocus, 'prior element should get focus on hide, or if focus didn\'t shift on show, focus should stay where it was');
-      await finishAnimationsAndVerifyHide(popover);
+      assert_false(isElementVisible(popover));
 
       // Hit Escape:
       priorFocus.focus();
@@ -122,7 +109,7 @@
       assert_equals(document.activeElement, expectedFocusedElement, `${testName} activated by popover.showPopover()`);
       await sendEscape();
       assert_equals(document.activeElement, priorFocus, 'prior element should get focus after Escape');
-      await finishAnimationsAndVerifyHide(popover);
+      assert_false(isElementVisible(popover));
 
       // Move focus into the popover, then hit Escape:
       let containedButton = popover.querySelector('button');
@@ -134,7 +121,7 @@
         assert_equals(document.activeElement, containedButton);
         await sendEscape();
         assert_equals(document.activeElement, priorFocus, 'prior element should get focus after Escape');
-        await finishAnimationsAndVerifyHide(popover);
+        assert_false(isElementVisible(popover));
       }
 
       // Change the popover type:
@@ -145,7 +132,7 @@
       popover.popover = 'hint';
       assert_false(popover.matches(':open'), 'Changing the popover type should hide the popover');
       assert_equals(document.activeElement, priorFocus, 'prior element should get focus when the type is changed');
-      await finishAnimationsAndVerifyHide(popover);
+      assert_false(isElementVisible(popover));
       popover.popover = 'auto';
 
       // Remove from the document:
@@ -167,7 +154,7 @@
       dialog.showModal();
       assert_false(popover.matches(':open'), 'Opening a modal dialog should hide the popover');
       assert_not_equals(document.activeElement, priorFocus, 'prior element should *not* get focus when a modal dialog is shown');
-      await finishAnimationsAndVerifyHide(popover);
+      assert_false(isElementVisible(popover));
       dialog.close();
       dialog.remove();
 
@@ -181,7 +168,7 @@
       // Make sure Escape works in the invoker case:
       await sendEscape();
       assert_equals(document.activeElement, priorFocus, 'prior element should get focus after Escape (via invoker)');
-      await finishAnimationsAndVerifyHide(popover);
+      assert_false(isElementVisible(popover));
 
       // Make sure we can directly focus the (already open) popover:
       priorFocus.focus();
@@ -193,7 +180,7 @@
       button.click(); // Button is set to toggle the popover
       assert_false(popover.matches(':open'));
       assert_equals(document.activeElement, priorFocus, 'prior element should get focus on button-toggled hide');
-      await finishAnimationsAndVerifyHide(popover);
+      assert_false(isElementVisible(popover));
     }, "Popover focus test: " + testName);
 
     promise_test(async t => {
@@ -210,7 +197,7 @@
       await clickOn(button); // This will *not* light dismiss, but will "toggle" the popover.
       assert_false(popover.matches(':open'));
       assert_equals(document.activeElement, priorFocus, 'focus should return to the prior focus');
-      await finishAnimationsAndVerifyHide(popover);
+      assert_false(isElementVisible(popover));
 
       // Same thing, but the button is contained within the popover
       button.removeAttribute('popovertoggletarget');
@@ -227,7 +214,7 @@
       await clickOn(button);
       assert_false(popover.matches(':open'), 'clicking button should hide the popover');
       assert_equals(document.activeElement, priorFocus, 'Contained button should return focus to the previously focused element');
-      await finishAnimationsAndVerifyHide(popover);
+      assert_false(isElementVisible(popover));
 
       // Same thing, but the button is unrelated (no popovertoggletarget)
       button = document.createElement('button');
@@ -238,7 +225,7 @@
       await clickOn(button); // This will light dismiss the popover, focus the prior focus, then focus this button.
       assert_false(popover.matches(':open'), 'clicking button should hide the popover (via light dismiss)');
       assert_equals(document.activeElement, button, 'Focus should go to unrelated button on light dismiss');
-      await finishAnimationsAndVerifyHide(popover);
+      assert_false(isElementVisible(popover));
     }, "Popover button click focus test: " + testName);
 
     promise_test(async t => {
@@ -259,7 +246,7 @@
       assert_equals(document.activeElement, newFocus, 'focus should not change when prior focus is removed');
       popover.hidePopover();
       assert_not_equals(document.activeElement, priorFocus, 'focused element has been removed');
-      await finishAnimationsAndVerifyHide(popover);
+      assert_false(isElementVisible(popover));
       document.body.appendChild(priorFocus); // Put it back
 
       // Move the prior focus inside the (already open) popover
@@ -271,12 +258,7 @@
       assert_true(popover.contains(priorFocus));
       assert_true(popover.matches(':open'), 'popover should stay open');
       popover.hidePopover();
-      await waitForRender();
-      assert_true(isElementVisible(popover),'Animations should keep the popover visible');
-      assert_not_equals(getComputedStyle(popover).display,'none','Animations should keep the popover visible');
-      assert_equals(document.activeElement, priorFocus, 'focused element gets focused');
-      await finishAnimationsAndVerifyHide(popover);
-      assert_equals(getComputedStyle(popover).display,'none','Animations have ended, popover should be hidden');
+      assert_false(isElementVisible(popover));
       assert_not_equals(document.activeElement, priorFocus, 'focused element is display:none inside the popover');
       document.body.appendChild(priorFocus); // Put it back
     }, "Popover corner cases test: " + testName);
diff --git a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-hidden-display.html b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-hidden-display.html
index 35fea3e94c6..936c57fc17e 100644
--- a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-hidden-display.html
+++ b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-hidden-display.html
@@ -1,7 +1,8 @@
 <!DOCTYPE html>
 <meta charset="utf-8">
 <link rel=author href="mailto:masonf@chromium.org">
-<link rel=help href="https://open-ui.org/components/popup.research.explainer">
+<link rel=help href="https://open-ui.org/components/popover.research.explainer">
+<link rel=help href="https://html.spec.whatwg.org/multipage/popover.html">
 <link rel=match href="popover-hidden-display-ref.html">
 <meta name=fuzzy content="0-1;0-15">
 
diff --git a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-inside-display-none.html b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-inside-display-none.html
index 3ccb885b81a..a25cf14d1ce 100644
--- a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-inside-display-none.html
+++ b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-inside-display-none.html
@@ -1,7 +1,8 @@
 <!DOCTYPE html>
 <meta charset="utf-8">
 <link rel=author href="mailto:masonf@chromium.org">
-<link rel=help href="https://open-ui.org/components/popup.research.explainer">
+<link rel=help href="https://open-ui.org/components/popover.research.explainer">
+<link rel=help href="https://html.spec.whatwg.org/multipage/popover.html">
 <link rel=match href="popover-inside-display-none-ref.html">
 
 No popover should be displayed here.<p>
diff --git a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-invoking-attribute.html b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-invoking-attribute.html
index b49bb4e4a34..d0098d32738 100644
--- a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-invoking-attribute.html
+++ b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-invoking-attribute.html
@@ -2,7 +2,8 @@
 <meta charset="utf-8" />
 <title>Popover invoking attribute</title>
 <link rel="author" href="mailto:masonf@chromium.org">
-<link rel=help href="https://open-ui.org/components/popup.research.explainer">
+<link rel=help href="https://open-ui.org/components/popover.research.explainer">
+<link rel=help href="https://html.spec.whatwg.org/multipage/popover.html">
 <meta name="timeout" content="long">
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
diff --git a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-light-dismiss-on-scroll.html b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-light-dismiss-on-scroll.html
index 73b3a2d6193..a4bb4b452b0 100644
--- a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-light-dismiss-on-scroll.html
+++ b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-light-dismiss-on-scroll.html
@@ -3,7 +3,8 @@
 <meta charset="utf-8" />
 <title>Popover should *not* light dismiss on scroll</title>
 <link rel="author" href="mailto:masonf@chromium.org">
-<link rel=help href="https://open-ui.org/components/popup.research.explainer">
+<link rel=help href="https://open-ui.org/components/popover.research.explainer">
+<link rel=help href="https://html.spec.whatwg.org/multipage/popover.html">
 <link rel=help href="https://github.com/openui/open-ui/issues/240">
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
diff --git a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-manual-crash.html b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-manual-crash.html
index d721f7c731e..535eb4c7d12 100644
--- a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-manual-crash.html
+++ b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-manual-crash.html
@@ -3,7 +3,8 @@
 <meta charset="utf-8" />
 <title>Popover=manual crash test</title>
 <link rel="author" href="mailto:masonf@chromium.org">
-<link rel=help href="https://open-ui.org/components/popup.research.explainer">
+<link rel=help href="https://open-ui.org/components/popover.research.explainer">
+<link rel=help href="https://html.spec.whatwg.org/multipage/popover.html">
 <script src="/resources/testdriver.js"></script>
 <script src="/resources/testdriver-actions.js"></script>
 <script src="/resources/testdriver-vendor.js"></script>
diff --git a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-not-keyboard-focusable.html b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-not-keyboard-focusable.html
index 815ae04ebb4..cd0b60c3ce6 100644
--- a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-not-keyboard-focusable.html
+++ b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-not-keyboard-focusable.html
@@ -2,7 +2,8 @@
 <meta charset="utf-8" />
 <title>Popover keyboard focus behaviors</title>
 <link rel="author" href="mailto:masonf@chromium.org">
-<link rel=help href="https://open-ui.org/components/popup.research.explainer">
+<link rel=help href="https://open-ui.org/components/popover.research.explainer">
+<link rel=help href="https://html.spec.whatwg.org/multipage/popover.html">
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
 <script src="/resources/testdriver.js"></script>
diff --git a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-open-display.html b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-open-display.html
index ca57a625996..bc4d16fe80f 100644
--- a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-open-display.html
+++ b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-open-display.html
@@ -1,7 +1,8 @@
 <!DOCTYPE html>
 <meta charset="utf-8">
 <link rel=author href="mailto:masonf@chromium.org">
-<link rel=help href="https://open-ui.org/components/popup.research.explainer">
+<link rel=help href="https://open-ui.org/components/popover.research.explainer">
+<link rel=help href="https://html.spec.whatwg.org/multipage/popover.html">
 <link rel=match href="popover-open-display-ref.html">
 
 <div popover>This is a popover</div>
diff --git a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-open-overflow-display.html b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-open-overflow-display.html
index 7fc96411c22..3d4d8330638 100644
--- a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-open-overflow-display.html
+++ b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-open-overflow-display.html
@@ -1,7 +1,8 @@
 <!DOCTYPE html>
 <meta charset="utf-8">
 <link rel=author href="mailto:masonf@chromium.org">
-<link rel=help href="https://open-ui.org/components/popup.research.explainer">
+<link rel=help href="https://open-ui.org/components/popover.research.explainer">
+<link rel=help href="https://html.spec.whatwg.org/multipage/popover.html">
 <link rel=match href="popover-open-overflow-display-ref.html">
 
 <div id=container>
diff --git a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-removal-2.html b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-removal-2.html
index b7b185d58d5..e84124d8bef 100644
--- a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-removal-2.html
+++ b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-removal-2.html
@@ -2,7 +2,8 @@
 <meta charset="utf-8" />
 <title>Popover document removal behavior</title>
 <link rel="author" href="mailto:masonf@chromium.org">
-<link rel=help href="https://open-ui.org/components/popup.research.explainer">
+<link rel=help href="https://open-ui.org/components/popover.research.explainer">
+<link rel=help href="https://html.spec.whatwg.org/multipage/popover.html">
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
 
diff --git a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-removal.html b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-removal.html
index aeed3b678db..e6ad5d9c004 100644
--- a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-removal.html
+++ b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-removal.html
@@ -2,7 +2,8 @@
 <meta charset="utf-8" />
 <title>Popover document removal behavior</title>
 <link rel="author" href="mailto:masonf@chromium.org">
-<link rel=help href="https://open-ui.org/components/popup.research.explainer">
+<link rel=help href="https://open-ui.org/components/popover.research.explainer">
+<link rel=help href="https://html.spec.whatwg.org/multipage/popover.html">
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
 
diff --git a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-shadow-dom.html b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-shadow-dom.html
index 72bbe1e8933..44ded952b70 100644
--- a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-shadow-dom.html
+++ b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-shadow-dom.html
@@ -1,7 +1,8 @@
 <!DOCTYPE html>
 <meta charset="utf-8">
 <link rel="author" href="mailto:masonf@chromium.org">
-<link rel=help href="https://open-ui.org/components/popup.research.explainer">
+<link rel=help href="https://open-ui.org/components/popover.research.explainer">
+<link rel=help href="https://html.spec.whatwg.org/multipage/popover.html">
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
 <script src="resources/popover-utils.js"></script>
diff --git a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-stacking-context.html b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-stacking-context.html
index 1a9e8292505..ba4e85a8978 100644
--- a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-stacking-context.html
+++ b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-stacking-context.html
@@ -1,7 +1,8 @@
 <!DOCTYPE html>
 <meta charset="utf-8">
 <link rel="author" href="mailto:masonf@chromium.org">
-<link rel=help href="https://open-ui.org/components/popup.research.explainer">
+<link rel=help href="https://open-ui.org/components/popover.research.explainer">
+<link rel=help href="https://html.spec.whatwg.org/multipage/popover.html">
 <link rel=match href="popover-stacking-context-ref.html">
 
 <div popover>
diff --git a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-stacking.html b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-stacking.html
index dc07c1c2084..bdd6feb20ee 100644
--- a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-stacking.html
+++ b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-stacking.html
@@ -1,7 +1,8 @@
 <!DOCTYPE html>
 <meta charset="utf-8">
 <link rel="author" href="mailto:masonf@chromium.org">
-<link rel=help href="https://open-ui.org/components/popup.research.explainer">
+<link rel=help href="https://open-ui.org/components/popover.research.explainer">
+<link rel=help href="https://html.spec.whatwg.org/multipage/popover.html">
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
 
diff --git a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-top-layer-combinations.html b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-top-layer-combinations.html
index 001bf88a25e..c8e4211ef5c 100644
--- a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-top-layer-combinations.html
+++ b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-top-layer-combinations.html
@@ -2,7 +2,8 @@
 <meta charset="utf-8">
 <title>Popover combined with dialog/fullscreen behavior</title>
 <link rel=author href="mailto:masonf@chromium.org">
-<link rel=help href="https://open-ui.org/components/popup.research.explainer">
+<link rel=help href="https://open-ui.org/components/popover.research.explainer">
+<link rel=help href="https://html.spec.whatwg.org/multipage/popover.html">
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
 <script src="/resources/testdriver.js"></script>
diff --git a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-top-layer-interactions.html b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-top-layer-interactions.html
index 50a21be7f77..6ef6938810b 100644
--- a/tests/wpt/web-platform-tests/html/semantics/popovers/popover-top-layer-interactions.html
+++ b/tests/wpt/web-platform-tests/html/semantics/popovers/popover-top-layer-interactions.html
@@ -2,7 +2,8 @@
 <meta charset="utf-8">
 <title>Interactions between top layer element types</title>
 <link rel="author" href="mailto:masonf@chromium.org">
-<link rel=help href="https://open-ui.org/components/popup.research.explainer">
+<link rel=help href="https://open-ui.org/components/popover.research.explainer">
+<link rel=help href="https://html.spec.whatwg.org/multipage/popover.html">
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
 <script src="/resources/testdriver.js"></script>
@@ -35,10 +36,10 @@ const examples = [
   },
   {
     type: types.fullscreen,
-    closes: [types.popover, types.fullscreen],
+    closes: [types.popover],
     createElement: () => document.createElement('div'),
     trigger: async function(visibleElement) {assert_false(this.isTopLayer());await blessTopLayer(visibleElement);await this.element.requestFullscreen();},
-    close: function() {assert_equals(this.element,document.fullscreenElement); document.exitFullscreen();},
+    close: function() {document.exitFullscreen();},
     isTopLayer: function() {return this.element.matches(':fullscreen');},
   },
 ];
diff --git a/tests/wpt/web-platform-tests/html/semantics/popovers/toggleevent-interface.html b/tests/wpt/web-platform-tests/html/semantics/popovers/toggleevent-interface.html
index 45709458b00..09ce3f3b567 100644
--- a/tests/wpt/web-platform-tests/html/semantics/popovers/toggleevent-interface.html
+++ b/tests/wpt/web-platform-tests/html/semantics/popovers/toggleevent-interface.html
@@ -1,7 +1,8 @@
 <!DOCTYPE html>
 <meta charset="utf-8">
 <link rel="author" href="mailto:masonf@chromium.org">
-<link rel=help href="https://open-ui.org/components/popup.research.explainer">
+<link rel=help href="https://open-ui.org/components/popover.research.explainer">
+<link rel=help href="https://html.spec.whatwg.org/multipage/popover.html">
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
 
diff --git a/tests/wpt/web-platform-tests/navigation-api/navigate-event/navigate-history-back-after-fragment.html b/tests/wpt/web-platform-tests/navigation-api/navigate-event/navigate-history-back-after-fragment.html
index 976754f28a8..57a30c85b87 100644
--- a/tests/wpt/web-platform-tests/navigation-api/navigate-event/navigate-history-back-after-fragment.html
+++ b/tests/wpt/web-platform-tests/navigation-api/navigate-event/navigate-history-back-after-fragment.html
@@ -12,7 +12,7 @@ async_test(t => {
 
     navigation.onnavigate = t.step_func_done(e => {
       assert_equals(e.navigationType, "traverse");
-      assert_false(e.cancelable);
+      assert_true(e.cancelable);
       assert_true(e.canIntercept);
       assert_false(e.userInitiated);
       assert_true(e.hashChange);
diff --git a/tests/wpt/web-platform-tests/navigation-api/navigate-event/navigate-history-back-after-pushState.html b/tests/wpt/web-platform-tests/navigation-api/navigate-event/navigate-history-back-after-pushState.html
index 4d870fb2ae6..bf2e6e4e300 100644
--- a/tests/wpt/web-platform-tests/navigation-api/navigate-event/navigate-history-back-after-pushState.html
+++ b/tests/wpt/web-platform-tests/navigation-api/navigate-event/navigate-history-back-after-pushState.html
@@ -12,7 +12,7 @@ async_test(t => {
 
     navigation.onnavigate = t.step_func_done(e => {
       assert_equals(e.navigationType, "traverse");
-      assert_false(e.cancelable);
+      assert_true(e.cancelable);
       assert_true(e.canIntercept);
       assert_false(e.userInitiated);
       assert_false(e.hashChange);
diff --git a/tests/wpt/web-platform-tests/navigation-api/navigate-event/navigate-navigation-back-cross-document.html b/tests/wpt/web-platform-tests/navigation-api/navigate-event/navigate-navigation-back-cross-document.html
index 214644066e1..2e1adbeee93 100644
--- a/tests/wpt/web-platform-tests/navigation-api/navigate-event/navigate-navigation-back-cross-document.html
+++ b/tests/wpt/web-platform-tests/navigation-api/navigate-event/navigate-navigation-back-cross-document.html
@@ -9,7 +9,9 @@ async_test(t => {
     let target_id = i.contentWindow.navigation.currentEntry.id;
     i.contentWindow.navigation.navigate("?foo");
     i.onload = t.step_func(() => {
+      let beforeunload_called = false;
       i.contentWindow.navigation.onnavigate = t.step_func_done(e => {
+        assert_true(beforeunload_called);
         assert_equals(e.navigationType, "traverse");
         assert_false(e.cancelable);
         assert_false(e.canIntercept);
@@ -24,6 +26,7 @@ async_test(t => {
         assert_equals(e.formData, null);
         assert_equals(e.info, "hi");
       });
+      i.contentWindow.onbeforeunload = () => beforeunload_called = true;
       assert_true(i.contentWindow.navigation.canGoBack);
       i.contentWindow.navigation.back({ info: "hi" });
     })
diff --git a/tests/wpt/web-platform-tests/navigation-api/navigate-event/navigate-navigation-back-same-document-in-iframe.html b/tests/wpt/web-platform-tests/navigation-api/navigate-event/navigate-navigation-back-same-document-in-iframe.html
new file mode 100644
index 00000000000..cebd2f3693c
--- /dev/null
+++ b/tests/wpt/web-platform-tests/navigation-api/navigate-event/navigate-navigation-back-same-document-in-iframe.html
@@ -0,0 +1,33 @@
+<!doctype html>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<iframe id="i" src="/common/blank.html"></iframe>
+<script>
+promise_test(async t => {
+  // Wait for after the load event so that the navigation doesn't get converted
+  // into a replace navigation.
+  await new Promise(resolve => window.onload = () => t.step_timeout(resolve, 0));
+
+  let target_key = i.contentWindow.navigation.currentEntry.key;
+  let target_id = i.contentWindow.navigation.currentEntry.id;
+  await i.contentWindow.navigation.navigate("#").finished;
+  assert_true(i.contentWindow.navigation.canGoBack);
+
+  i.contentWindow.navigation.onnavigate = e => {
+    assert_equals(e.navigationType, "traverse");
+    assert_false(e.cancelable, "traversals in iframes should never be cancelable");
+    assert_true(e.canIntercept);
+    assert_false(e.userInitiated);
+    assert_true(e.hashChange);
+    assert_equals(e.downloadRequest, null);
+    assert_equals(new URL(e.destination.url).hash, "");
+    assert_true(e.destination.sameDocument);
+    assert_equals(e.destination.key, target_key);
+    assert_equals(e.destination.id, target_id);
+    assert_equals(e.destination.index, 0);
+    assert_equals(e.formData, null);
+    assert_equals(e.info, "hi");
+  }
+  await i.contentWindow.navigation.back({ info: "hi" }).finished;
+}, "navigate event for navigation.back() - same-document in an iframe");
+</script>
diff --git a/tests/wpt/web-platform-tests/navigation-api/navigate-event/navigate-navigation-back-same-document.html b/tests/wpt/web-platform-tests/navigation-api/navigate-event/navigate-navigation-back-same-document.html
index 8753e6b1c86..431d38449c3 100644
--- a/tests/wpt/web-platform-tests/navigation-api/navigate-event/navigate-navigation-back-same-document.html
+++ b/tests/wpt/web-platform-tests/navigation-api/navigate-event/navigate-navigation-back-same-document.html
@@ -11,7 +11,7 @@ async_test(t => {
     navigation.navigate("#foo").committed.then(t.step_func(() => {
       navigation.onnavigate = t.step_func_done(e => {
         assert_equals(e.navigationType, "traverse");
-        assert_false(e.cancelable);
+        assert_true(e.cancelable);
         assert_true(e.canIntercept);
         assert_false(e.userInitiated);
         assert_true(e.hashChange);
diff --git a/tests/wpt/web-platform-tests/navigation-api/navigate-event/navigation-back-cross-document-preventDefault.html b/tests/wpt/web-platform-tests/navigation-api/navigate-event/navigation-back-cross-document-preventDefault.html
new file mode 100644
index 00000000000..0b5b750876d
--- /dev/null
+++ b/tests/wpt/web-platform-tests/navigation-api/navigate-event/navigation-back-cross-document-preventDefault.html
@@ -0,0 +1,33 @@
+
+<!doctype html>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="../navigation-methods/return-value/resources/helpers.js"></script>
+<script src="/common/get-host-info.sub.js"></script>
+<script>
+promise_test(async t => {
+  // Wait for after the load event so that the navigation doesn't get converted
+  // into a replace navigation.
+  let w = window.open("resources/opener-postMessage-onload.html");
+  await new Promise(resolve => window.onmessage = resolve);
+  // Navigate to a url that will notify us when the navigation is complete.
+  w.navigation.navigate("opener-postMessage-onload.html?1");
+
+  await new Promise(resolve => window.onmessage = resolve);
+  assert_equals(w.navigation.entries().length, 2);
+  assert_equals(w.navigation.currentEntry.index, 1);
+  let navigate_called = false;
+  w.navigation.onnavigate = t.step_func(e => {
+    navigate_called = true;
+    assert_false(e.destination.sameDocument);
+    assert_false(e.cancelable);
+    // Should do nothing.
+    e.preventDefault();
+  });
+  w.navigation.back();
+  await new Promise(resolve => window.onmessage = resolve);
+  assert_equals(w.navigation.currentEntry.index, 0);
+  assert_true(navigate_called);
+}, "navigation.back() cross-document cannot be cancelled with the navigate event");
+</script>
+
diff --git a/tests/wpt/web-platform-tests/navigation-api/navigate-event/navigation-back-same-document-preventDefault.html b/tests/wpt/web-platform-tests/navigation-api/navigate-event/navigation-back-same-document-preventDefault.html
new file mode 100644
index 00000000000..7edb1888233
--- /dev/null
+++ b/tests/wpt/web-platform-tests/navigation-api/navigate-event/navigation-back-same-document-preventDefault.html
@@ -0,0 +1,26 @@
+<!doctype html>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="../navigation-methods/return-value/resources/helpers.js"></script>
+<script>
+promise_test(async t => {
+  // Wait for after the load event so that the navigation doesn't get converted
+  // into a replace navigation.
+  await new Promise(resolve => window.onload = () => t.step_timeout(resolve, 0));
+
+  await navigation.navigate("#").finished;
+  assert_equals(navigation.entries().length, 2);
+  assert_equals(navigation.currentEntry.index, 1);
+
+  navigation.onnavigate = e => e.preventDefault();
+
+  navigation.onnavigateerror = t.step_func(e => {
+    assert_equals(e.constructor, ErrorEvent);
+    assert_equals(e.filename, location.href);
+    navigateerror_called = true;
+  });
+  await assertBothRejectDOM(t, navigation.back(), "AbortError");
+  assert_equals(navigation.currentEntry.index, 1);
+  assert_true(navigateerror_called);
+}, "navigation.back() same-document preventDefault");
+</script>
diff --git a/tests/wpt/web-platform-tests/navigation-api/navigate-event/navigation-traverseTo-in-iframe-same-document-preventDefault.html b/tests/wpt/web-platform-tests/navigation-api/navigate-event/navigation-traverseTo-in-iframe-same-document-preventDefault.html
new file mode 100644
index 00000000000..d68b11fa7cc
--- /dev/null
+++ b/tests/wpt/web-platform-tests/navigation-api/navigate-event/navigation-traverseTo-in-iframe-same-document-preventDefault.html
@@ -0,0 +1,47 @@
+<!doctype html>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="../navigation-methods/return-value/resources/helpers.js"></script>
+<iframe id="i" src="/common/blank.html"></iframe>
+<script>
+promise_test(async t => {
+  // Wait for after the load event so that the navigation doesn't get converted
+  // into a replace navigation.
+  await new Promise(resolve => window.onload = () => t.step_timeout(resolve, 0));
+
+  // Navigate the iframe, then the top window, so that when the iframe goes back
+  // to its initial entry, the top window navigates as well.
+  await i.contentWindow.navigation.navigate("#").finished;
+  await navigation.navigate("#").finished;
+  assert_equals(navigation.entries().length, 2);
+  assert_equals(i.contentWindow.navigation.entries().length, 2);
+  assert_equals(navigation.currentEntry.index, 1);
+  assert_equals(i.contentWindow.navigation.currentEntry.index, 1);
+
+  // Ensure the top window, which is allowed to cancel the traversal, does so.
+  navigation.onnavigate = e => e.preventDefault();
+
+  let top_navigateerror_fired = false;
+  navigation.onnavigateerror = t.step_func(e => {
+    assert_equals(e.constructor, ErrorEvent);
+    assert_equals(e.filename, location.href);
+    top_navigateerror_fired = true;
+  });
+  let iframe_navigateerror_fired = false;
+  i.contentWindow.navigation.onnavigateerror = t.step_func(e => {
+    assert_equals(e.constructor, i.contentWindow.ErrorEvent);
+    assert_equals(e.filename, i.contentWindow.location.href);
+    iframe_navigateerror_fired = true;
+  });
+
+  // When the top window blocks the traversal, it should be blocked in the
+  // iframe as well, and the traversal promises in the iframe should be rejected.
+  const iWindow = i.contentWindow;
+  const iDOMException = iWindow.DOMException;
+  await assertBothRejectDOM(t, i.contentWindow.navigation.traverseTo(i.contentWindow.navigation.entries()[0].key), "AbortError", iWindow, iDOMException);
+  assert_true(top_navigateerror_fired);
+  assert_true(iframe_navigateerror_fired);
+  assert_equals(navigation.currentEntry.index, 1);
+  assert_equals(i.contentWindow.navigation.currentEntry.index, 1);
+}, "navigation.traverseTo() in an iframe with same-document preventDefault in its parent");
+</script>
diff --git a/tests/wpt/web-platform-tests/navigation-api/navigate-event/navigation-traverseTo-navigates-top-and-same-doc-child-and-cross-doc-child.html b/tests/wpt/web-platform-tests/navigation-api/navigate-event/navigation-traverseTo-navigates-top-and-same-doc-child-and-cross-doc-child.html
new file mode 100644
index 00000000000..31cb54fca2a
--- /dev/null
+++ b/tests/wpt/web-platform-tests/navigation-api/navigate-event/navigation-traverseTo-navigates-top-and-same-doc-child-and-cross-doc-child.html
@@ -0,0 +1,49 @@
+<!doctype html>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<iframe id="i1" src="/common/blank.html"></iframe>
+<iframe id="i2" src="/common/blank.html"></iframe>
+<script>
+promise_test(async t => {
+  // Wait for after the load event so that the navigation doesn't get converted
+  // into a replace navigation.
+  await new Promise(resolve => window.onload = () => t.step_timeout(resolve, 0));
+  await navigation.navigate("#").finished;
+  await i1.contentWindow.navigation.navigate("#").finished;
+  i2.contentWindow.navigation.navigate("?");
+  await new Promise(resolve => i2.onload = () => t.step_timeout(resolve, 0));
+
+  assert_equals(navigation.entries().length, 2);
+  assert_equals(i1.contentWindow.navigation.entries().length, 2);
+  assert_equals(i2.contentWindow.navigation.entries().length, 2);
+  assert_equals(navigation.currentEntry.index, 1);
+  assert_equals(i1.contentWindow.navigation.currentEntry.index, 1);
+  assert_equals(i2.contentWindow.navigation.currentEntry.index, 1);
+
+  let navigate_event_count = 0;
+  navigation.onnavigate = t.step_func(e => {
+    assert_equals(navigate_event_count, 0);
+    navigate_event_count++;
+    assert_true(e.cancelable);
+  });
+  i1.contentWindow.navigation.onnavigate = t.step_func(e => {
+    assert_true(navigate_event_count > 0);
+    navigate_event_count++;
+    assert_false(e.cancelable);
+  });
+  i2.contentWindow.navigation.onnavigate = t.step_func(e => {
+    assert_true(navigate_event_count > 0);
+    navigate_event_count++;
+    assert_false(e.cancelable);
+  });
+
+  await navigation.traverseTo(navigation.entries()[0].key).finished;
+  // The top window will finish quickly, becuase it is same-document traversal.
+  // i2 will be slower because it is cross-document, so wait for its onload.
+  await new Promise(resolve => i2.onload = () => t.step_timeout(resolve, 0));
+  assert_equals(navigate_event_count, 3);
+  assert_equals(navigation.currentEntry.index, 0);
+  assert_equals(i1.contentWindow.navigation.currentEntry.index, 0);
+  assert_equals(i2.contentWindow.navigation.currentEntry.index, 0);
+}, "navigation.traverseTo() can navigate 3 frames of different types with correct navigate event cancelable values");
+</script>
diff --git a/tests/wpt/web-platform-tests/navigation-api/navigate-event/navigation-traverseTo-same-document-preventDefault-multiple-windows.html b/tests/wpt/web-platform-tests/navigation-api/navigate-event/navigation-traverseTo-same-document-preventDefault-multiple-windows.html
new file mode 100644
index 00000000000..9bb64fb7cc7
--- /dev/null
+++ b/tests/wpt/web-platform-tests/navigation-api/navigate-event/navigation-traverseTo-same-document-preventDefault-multiple-windows.html
@@ -0,0 +1,23 @@
+<!doctype html>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<iframe id="i" src="/common/blank.html"></iframe>
+<script>
+promise_test(async t => {
+  // Wait for after the load event so that the navigation doesn't get converted
+  // into a replace navigation.
+  await new Promise(resolve => window.onload = () => t.step_timeout(resolve, 0));
+  await navigation.navigate("#").finished;
+  await i.contentWindow.navigation.navigate("#").finished;
+  assert_equals(navigation.entries().length, 2);
+  assert_equals(i.contentWindow.navigation.entries().length, 2);
+  assert_equals(navigation.currentEntry.index, 1);
+  assert_equals(i.contentWindow.navigation.currentEntry.index, 1);
+
+  navigation.onnavigate = e => e.preventDefault();
+  i.contentWindow.navigation.onnavigate = t.unreached_func("navigate event should not fire in the iframe, because the traversal was cancelled in the top window");
+  await promise_rejects_dom(t, "AbortError", navigation.traverseTo(navigation.entries()[0].key).finished);
+  assert_equals(navigation.currentEntry.index, 1);
+  assert_equals(i.contentWindow.navigation.currentEntry.index, 1);
+}, "navigation.traverseTo() - if a top window cancels the traversal, any iframes should not fire navigate");
+</script>
diff --git a/tests/wpt/web-platform-tests/navigation-api/navigate-event/navigation-traverseTo-top-cancels-cross-document-child.html b/tests/wpt/web-platform-tests/navigation-api/navigate-event/navigation-traverseTo-top-cancels-cross-document-child.html
new file mode 100644
index 00000000000..11f07afefc5
--- /dev/null
+++ b/tests/wpt/web-platform-tests/navigation-api/navigate-event/navigation-traverseTo-top-cancels-cross-document-child.html
@@ -0,0 +1,26 @@
+<!doctype html>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="../navigation-methods/return-value/resources/helpers.js"></script>
+<iframe id="i" src="/common/blank.html"></iframe>
+<script>
+promise_test(async t => {
+  // Wait for after the load event so that the navigation doesn't get converted
+  // into a replace navigation.
+  await new Promise(resolve => window.onload = () => t.step_timeout(resolve, 0));
+  await navigation.navigate("#").finished;
+  i.contentWindow.navigation.navigate("?");
+  await new Promise(resolve => i.onload = () => t.step_timeout(resolve, 0));
+
+  assert_equals(navigation.entries().length, 2);
+  assert_equals(i.contentWindow.navigation.entries().length, 2);
+  assert_equals(navigation.currentEntry.index, 1);
+  assert_equals(i.contentWindow.navigation.currentEntry.index, 1);
+
+  navigation.onnavigate = t.step_func(e => e.preventDefault());
+  i.contentWindow.navigation.onnavigate = t.unreached_func("navigation should be cancelled before iframe fires navigate event");
+  await assertBothRejectDOM(t, navigation.traverseTo(navigation.entries()[0].key), "AbortError");
+  // Give the iframe time to navigate in case it was incorrectly permitted.
+  await new Promise(resolve => t.step_timeout(resolve, 50));
+}, "navigate.traverseTo() cancelled by top frame cancels cross-document iframe");
+</script>
diff --git a/tests/wpt/web-platform-tests/navigation-api/navigation-methods/traverseTo-detach-between-navigate-and-navigatesuccess.html b/tests/wpt/web-platform-tests/navigation-api/navigation-methods/traverseTo-detach-between-navigate-and-navigatesuccess.html
index a0a29188878..43bde9a103b 100644
--- a/tests/wpt/web-platform-tests/navigation-api/navigation-methods/traverseTo-detach-between-navigate-and-navigatesuccess.html
+++ b/tests/wpt/web-platform-tests/navigation-api/navigation-methods/traverseTo-detach-between-navigate-and-navigatesuccess.html
@@ -20,8 +20,16 @@ async_test(t => {
       let result;
 
       i.contentWindow.navigation.onnavigate = t.step_func(e => {
-        e.intercept({ handler: () => new Promise(resolve => t.step_timeout(resolve, 2)) });
-        t.step_timeout(() => i.remove(), 1);
+        // 1. The intercept handler runs.
+        // 2. "t.step_timeout(handlerRunResolve, 0)" executes handlerRunResolve in a macro task.
+        // 3. In the next microtask, the iframe is removed.
+        // 4. "t.step_timeout(resolve, 5)" executes and the intercept handler promise resolves.
+        let handlerRunResolve;
+        new Promise(r => handlerRunResolve = r).then(() => i.remove());
+        e.intercept({ handler() {
+          t.step_timeout(handlerRunResolve, 0);
+          return new Promise(resolve => t.step_timeout(resolve, 5));
+        }});
       });
 
       i.contentWindow.navigation.onnavigatesuccess = t.unreached_func("navigatesuccess must not fire");
diff --git a/tests/wpt/web-platform-tests/resources/chromium/webusb-test.js b/tests/wpt/web-platform-tests/resources/chromium/webusb-test.js
index fc322bd4736..94ff1bcadd9 100644
--- a/tests/wpt/web-platform-tests/resources/chromium/webusb-test.js
+++ b/tests/wpt/web-platform-tests/resources/chromium/webusb-test.js
@@ -186,7 +186,7 @@ class FakeDevice {
   open() {
     assert_false(this.opened_);
     this.opened_ = true;
-    return Promise.resolve({error: mojom.UsbOpenDeviceError.OK});
+    return Promise.resolve({result: {success: mojom.UsbOpenDeviceSuccess.OK}});
   }
 
   close() {
diff --git a/tests/wpt/web-platform-tests/speculation-rules/prerender/main-frame-navigation.https.html b/tests/wpt/web-platform-tests/speculation-rules/prerender/main-frame-navigation.https.html
new file mode 100644
index 00000000000..47d8f2e81a3
--- /dev/null
+++ b/tests/wpt/web-platform-tests/speculation-rules/prerender/main-frame-navigation.https.html
@@ -0,0 +1,39 @@
+<!DOCTYPE html>
+<title>Test about: main frame navigation in a prerendered page</title>
+<meta name="timeout" content="long">
+<script src="/common/utils.js"></script>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="resources/utils.js"></script>
+<body>
+<script>
+
+setup(() => assertSpeculationRulesIsSupported());
+
+promise_test(async t => {
+  const uid = token();
+  const bc = new PrerenderChannel('result', uid);
+
+  const gotMessage = new Promise(resolve => {
+    bc.addEventListener('message', e => {
+      resolve(e.data);
+    }, {
+      once: true
+    });
+  });
+
+  const url = `resources/main-frame-navigation.html?uid=${uid}`;
+  window.open(url, '_blank', 'noopener');
+
+  const result = await gotMessage;
+
+  assert_equals(result.onprerenderingchangeCalled, true,
+      'prerenderingchange event should be called after activation.');
+  assert_equals(result.prerenderingValueBeforeActivation, true,
+      'document.prerendering should be true prior to activation.');
+  assert_equals(result.prerenderingValueAfterActivation, false,
+      'document.prerendering should be false after activation.');
+}, 'Test document.prerendering and prerenderingchange event in the navigated ' +
+   'page');
+</script>
+</body>
diff --git a/tests/wpt/web-platform-tests/speculation-rules/prerender/resources/main-frame-navigation.html b/tests/wpt/web-platform-tests/speculation-rules/prerender/resources/main-frame-navigation.html
new file mode 100644
index 00000000000..8781edef667
--- /dev/null
+++ b/tests/wpt/web-platform-tests/speculation-rules/prerender/resources/main-frame-navigation.html
@@ -0,0 +1,84 @@
+<!DOCTYPE html>
+<script src="/common/utils.js"></script>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/speculation-rules/prerender/resources/utils.js"></script>
+<script src="/speculation-rules/prerender/resources/deferred-promise-utils.js"></script>
+<script>
+
+// The main test page loads the initiator page, then the initiator page will
+// prerender itself with the `prerendering` parameter. The prerendered page will
+// trigger a main frame navigation with the `navigation` parameter.
+const params = new URLSearchParams(location.search);
+const uid = params.get('uid');
+
+const isPrerendering = params.has('prerendering');
+const isNavigation = params.has('navigation');
+
+if (isPrerendering && isNavigation) {
+  assert_true(document.prerendering);
+
+  const result = {
+    // Check the value of document.prerendering now and after activation.
+    prerenderingValueBeforeActivation: document.prerendering,
+    prerenderingValueAfterActivation: null,
+
+    // True if the prerenderingchange event is fired.
+    onprerenderingchangeCalled: false,
+  };
+
+  window.addEventListener('load', () => {
+    const prerenderChannel = new PrerenderChannel('prerender-channel', uid);
+    prerenderChannel.postMessage('readyToActivate');
+    prerenderChannel.close();
+  });
+
+  document.addEventListener('prerenderingchange', (e) => {
+    assert_false(document.prerendering);
+
+    const entry = performance.getEntriesByType('navigation')[0];
+    assert_greater_than_equal(entry.activationStart, 0,
+      'activationStart must be greater than 0')
+
+    result.onprerenderingchangeCalled = true;
+    result.prerenderingValueAfterActivation = document.prerendering;
+
+    const resultChannel = new PrerenderChannel('result', uid);
+    resultChannel.postMessage(result);
+    resultChannel.close();
+    window.close();
+  });
+} else if (isPrerendering) {
+  assert_true(document.prerendering);
+
+  location.href = location.href + '&navigation';
+} else {
+  assert_false(document.prerendering);
+
+  const prerenderingUrl = location.href + '&prerendering';
+
+  const prerenderChannel = new PrerenderChannel('prerender-channel', uid);
+  const readyToActivate = new Promise((resolve, reject) => {
+    prerenderChannel.addEventListener('message', e => {
+      if (e.data === 'readyToActivate') {
+        resolve();
+      } else {
+        reject(`The initiator page receives an unsupported message: ${e.data}`);
+      }
+    });
+  });
+
+  // Activate the page when prerendering is ready.
+  readyToActivate.then(() => {
+    window.location = prerenderingUrl.toString();
+  }).catch(e => {
+    const resultChannel = new PrerenderChannel('result', uid);
+    resultChannel.postMessage(
+        `Failed to navigate the prerendered page: ${e.toString()}`);
+    resultChannel.close();
+    window.close();
+  });
+
+  startPrerendering(prerenderingUrl);
+}
+</script>
diff --git a/tests/wpt/web-platform-tests/url/resources/urltestdata.json b/tests/wpt/web-platform-tests/url/resources/urltestdata.json
index 0265346a6a6..94d41c0cb0d 100644
--- a/tests/wpt/web-platform-tests/url/resources/urltestdata.json
+++ b/tests/wpt/web-platform-tests/url/resources/urltestdata.json
@@ -964,6 +964,21 @@
     "search": "",
     "hash": ""
   },
+  {
+    "input": "http://[::127.0.0.1.]",
+    "base": "http://example.org/foo/bar",
+    "href": "http://[::7f00:1]/",
+    "origin": "http://[::7f00:1]",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "[::7f00:1]",
+    "hostname": "[::7f00:1]",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
   {
     "input": "http://[0:0:0:0:0:0:13.1.68.3]",
     "base": "http://example.org/foo/bar",
@@ -3959,11 +3974,21 @@
     "base": "http://other.com/",
     "failure": true
   },
+  {
+    "input": "http://[::.1.2]",
+    "base": "http://other.com/",
+    "failure": true
+  },
   {
     "input": "http://[::1.]",
     "base": "http://other.com/",
     "failure": true
   },
+  {
+    "input": "http://[::.1]",
+    "base": "http://other.com/",
+    "failure": true
+  },
   {
     "input": "http://[::%31]",
     "base": "http://other.com/",
diff --git a/tests/wpt/web-platform-tests/wasm/jsapi/exception/basic.tentative.any.js b/tests/wpt/web-platform-tests/wasm/jsapi/exception/basic.tentative.any.js
index 9ddebae0e96..acf644f904f 100644
--- a/tests/wpt/web-platform-tests/wasm/jsapi/exception/basic.tentative.any.js
+++ b/tests/wpt/web-platform-tests/wasm/jsapi/exception/basic.tentative.any.js
@@ -14,11 +14,11 @@ promise_test(async () => {
   const kWasmAnyRef = 0x6f;
   const kSig_v_r = makeSig([kWasmAnyRef], []);
   const builder = new WasmModuleBuilder();
-  const except = builder.addException(kSig_v_r);
+  const tagIndex = builder.addTag(kSig_v_r);
   builder.addFunction("throw_param", kSig_v_r)
     .addBody([
       kExprLocalGet, 0,
-      kExprThrow, except,
+      kExprThrow, tagIndex,
     ])
     .exportFunc();
   const buffer = builder.toBuffer();
@@ -45,11 +45,11 @@ promise_test(async () => {
 
 promise_test(async () => {
   const builder = new WasmModuleBuilder();
-  const except = builder.addException(kSig_v_a);
+  const tagIndex = builder.addTag(kSig_v_a);
   builder.addFunction("throw_null", kSig_v_v)
     .addBody([
       kExprRefNull, kWasmAnyFunc,
-      kExprThrow, except,
+      kExprThrow, tagIndex,
     ])
     .exportFunc();
   const buffer = builder.toBuffer();
@@ -59,11 +59,11 @@ promise_test(async () => {
 
 promise_test(async () => {
   const builder = new WasmModuleBuilder();
-  const except = builder.addException(kSig_v_i);
+  const tagIndex = builder.addTag(kSig_v_i);
   builder.addFunction("throw_int", kSig_v_v)
     .addBody([
       ...wasmI32Const(7),
-      kExprThrow, except,
+      kExprThrow, tagIndex,
     ])
     .exportFunc();
   const buffer = builder.toBuffer();
@@ -74,12 +74,12 @@ promise_test(async () => {
 promise_test(async () => {
   const builder = new WasmModuleBuilder();
   const fnIndex = builder.addImport("module", "fn", kSig_v_v);
-  const except = builder.addException(kSig_v_r);
+  const tagIndex= builder.addTag(kSig_v_r);
   builder.addFunction("catch_exception", kSig_r_v)
     .addBody([
       kExprTry, kWasmStmt,
         kExprCallFunction, fnIndex,
-      kExprCatch, except,
+      kExprCatch, tagIndex,
         kExprReturn,
       kExprEnd,
       kExprRefNull, kWasmAnyRef,