diff --git a/tests/wpt/metadata/FileAPI/url/url-with-fetch.any.js.ini b/tests/wpt/metadata/FileAPI/url/url-with-fetch.any.js.ini
index 947e223fb28..3a3d15b8406 100644
--- a/tests/wpt/metadata/FileAPI/url/url-with-fetch.any.js.ini
+++ b/tests/wpt/metadata/FileAPI/url/url-with-fetch.any.js.ini
@@ -14,6 +14,9 @@
   [Revoke blob URL after creating Request, will fetch]
     expected: FAIL
 
+  [Revoke blob URL after calling fetch, fetch should succeed]
+    expected: FAIL
+
 
 [url-with-fetch.any.html]
   [Untitled]
@@ -34,3 +37,6 @@
   [Revoke blob URL after creating Request, will fetch]
     expected: FAIL
 
+  [Revoke blob URL after calling fetch, fetch should succeed]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/MANIFEST.json b/tests/wpt/metadata/MANIFEST.json
index e8f9fa35edb..3fdae9e722f 100644
--- a/tests/wpt/metadata/MANIFEST.json
+++ b/tests/wpt/metadata/MANIFEST.json
@@ -73545,6 +73545,18 @@
      {}
     ]
    ],
+   "css/CSS2/normal-flow/negative-margin-001.html": [
+    [
+     "css/CSS2/normal-flow/negative-margin-001.html",
+     [
+      [
+       "/css/CSS2/normal-flow/negative-margin-001-ref.html",
+       "=="
+      ]
+     ],
+     {}
+    ]
+   ],
    "css/CSS2/normal-flow/negative-margin-shrinking-container-size-001.html": [
     [
      "css/CSS2/normal-flow/negative-margin-shrinking-container-size-001.html",
@@ -180253,6 +180265,18 @@
      {}
     ]
    ],
+   "css/selectors/remove-hovered-element.html": [
+    [
+     "css/selectors/remove-hovered-element.html",
+     [
+      [
+       "/css/selectors/remove-hovered-element-ref.html",
+       "=="
+      ]
+     ],
+     {}
+    ]
+   ],
    "css/selectors/root-siblings.htm": [
     [
      "css/selectors/root-siblings.htm",
@@ -202757,6 +202781,18 @@
      {}
     ]
    ],
+   "svg/render/reftests/render-sync-with-font-size.html": [
+    [
+     "svg/render/reftests/render-sync-with-font-size.html",
+     [
+      [
+       "/svg/render/reftests/render-sync-with-font-size-ref.html",
+       "=="
+      ]
+     ],
+     {}
+    ]
+   ],
    "svg/rendering/order/clip-path-filter-order.svg": [
     [
      "svg/rendering/order/clip-path-filter-order.svg",
@@ -210841,9 +210877,15 @@
    "client-hints/accept_ch.tentative.sub.https.html.headers": [
     []
    ],
+   "client-hints/accept_ch_feature_policy.tentative.sub.https.html.headers": [
+    []
+   ],
    "client-hints/accept_ch_malformed_header.https.html.headers": [
     []
    ],
+   "client-hints/accept_ch_no_feature_policy.tentative.sub.https.html.headers": [
+    []
+   ],
    "client-hints/echo_client_hints_received.py": [
     []
    ],
@@ -233275,6 +233317,9 @@
    "css/CSS2/normal-flow/min-height-percentage-003-ref.xht": [
     []
    ],
+   "css/CSS2/normal-flow/negative-margin-001-ref.html": [
+    []
+   ],
    "css/CSS2/normal-flow/replaced-intrinsic-001-ref.xht": [
     []
    ],
@@ -257089,6 +257134,9 @@
    "css/selectors/old-tests/reference/three-paragraph-lime-characters.xht": [
     []
    ],
+   "css/selectors/remove-hovered-element-ref.html": [
+    []
+   ],
    "css/selectors/resources/blue15x15.png": [
     []
    ],
@@ -276652,6 +276700,9 @@
    "service-workers/service-worker/resources/postmessage-dictionary-transferables-worker.js": [
     []
    ],
+   "service-workers/service-worker/resources/postmessage-echo-worker.js": [
+    []
+   ],
    "service-workers/service-worker/resources/postmessage-msgport-to-client-worker.js": [
     []
    ],
@@ -277378,6 +277429,9 @@
    "svg/coordinate-systems/support/abspos-ref.html": [
     []
    ],
+   "svg/coordinate-systems/support/simple.svg": [
+    []
+   ],
    "svg/embedded/reference/green-rect-100x100.svg": [
     []
    ],
@@ -277663,6 +277717,9 @@
    "svg/render/reftests/filter-effects-on-pattern-ref.html": [
     []
    ],
+   "svg/render/reftests/render-sync-with-font-size-ref.html": [
+    []
+   ],
    "svg/rendering/order/clip-path-filter-order-ref.svg": [
     []
    ],
@@ -302474,6 +302531,12 @@
      {}
     ]
    ],
+   "client-hints/accept_ch_feature_policy.tentative.sub.https.html": [
+    [
+     "client-hints/accept_ch_feature_policy.tentative.sub.https.html",
+     {}
+    ]
+   ],
    "client-hints/accept_ch_lifetime.tentative.https.html": [
     [
      "client-hints/accept_ch_lifetime.tentative.https.html",
@@ -302508,6 +302571,12 @@
      {}
     ]
    ],
+   "client-hints/accept_ch_no_feature_policy.tentative.sub.https.html": [
+    [
+     "client-hints/accept_ch_no_feature_policy.tentative.sub.https.html",
+     {}
+    ]
+   ],
    "client-hints/http_equiv_accept_ch.tentative.http.html": [
     [
      "client-hints/http_equiv_accept_ch.tentative.http.html",
@@ -308816,6 +308885,12 @@
      {}
     ]
    ],
+   "css/css-flexbox/parsing/flex-computed.html": [
+    [
+     "css/css-flexbox/parsing/flex-computed.html",
+     {}
+    ]
+   ],
    "css/css-flexbox/parsing/flex-direction-computed.html": [
     [
      "css/css-flexbox/parsing/flex-direction-computed.html",
@@ -309192,6 +309267,30 @@
      {}
     ]
    ],
+   "css/css-forced-color-adjust/inheritance.html": [
+    [
+     "css/css-forced-color-adjust/inheritance.html",
+     {}
+    ]
+   ],
+   "css/css-forced-color-adjust/parsing/forced-color-adjust-computed.html": [
+    [
+     "css/css-forced-color-adjust/parsing/forced-color-adjust-computed.html",
+     {}
+    ]
+   ],
+   "css/css-forced-color-adjust/parsing/forced-color-adjust-invalid.html": [
+    [
+     "css/css-forced-color-adjust/parsing/forced-color-adjust-invalid.html",
+     {}
+    ]
+   ],
+   "css/css-forced-color-adjust/parsing/forced-color-adjust-valid.html": [
+    [
+     "css/css-forced-color-adjust/parsing/forced-color-adjust-valid.html",
+     {}
+    ]
+   ],
    "css/css-grid/abspos/absolute-positioning-definite-sizes-001.html": [
     [
      "css/css-grid/abspos/absolute-positioning-definite-sizes-001.html",
@@ -311592,6 +311691,24 @@
      {}
     ]
    ],
+   "css/css-logical/parsing/margin-block-inline-invalid.html": [
+    [
+     "css/css-logical/parsing/margin-block-inline-invalid.html",
+     {}
+    ]
+   ],
+   "css/css-logical/parsing/margin-block-inline-valid.html": [
+    [
+     "css/css-logical/parsing/margin-block-inline-valid.html",
+     {}
+    ]
+   ],
+   "css/css-logical/parsing/max-block-size-computed.html": [
+    [
+     "css/css-logical/parsing/max-block-size-computed.html",
+     {}
+    ]
+   ],
    "css/css-logical/parsing/max-block-size-invalid.html": [
     [
      "css/css-logical/parsing/max-block-size-invalid.html",
@@ -311604,6 +311721,12 @@
      {}
     ]
    ],
+   "css/css-logical/parsing/max-inline-size-computed.html": [
+    [
+     "css/css-logical/parsing/max-inline-size-computed.html",
+     {}
+    ]
+   ],
    "css/css-logical/parsing/max-inline-size-invalid.html": [
     [
      "css/css-logical/parsing/max-inline-size-invalid.html",
@@ -311616,6 +311739,12 @@
      {}
     ]
    ],
+   "css/css-logical/parsing/min-block-size-computed.html": [
+    [
+     "css/css-logical/parsing/min-block-size-computed.html",
+     {}
+    ]
+   ],
    "css/css-logical/parsing/min-block-size-invalid.html": [
     [
      "css/css-logical/parsing/min-block-size-invalid.html",
@@ -311628,6 +311757,12 @@
      {}
     ]
    ],
+   "css/css-logical/parsing/min-inline-size-computed.html": [
+    [
+     "css/css-logical/parsing/min-inline-size-computed.html",
+     {}
+    ]
+   ],
    "css/css-logical/parsing/min-inline-size-invalid.html": [
     [
      "css/css-logical/parsing/min-inline-size-invalid.html",
@@ -311640,6 +311775,18 @@
      {}
     ]
    ],
+   "css/css-logical/parsing/padding-block-inline-invalid.html": [
+    [
+     "css/css-logical/parsing/padding-block-inline-invalid.html",
+     {}
+    ]
+   ],
+   "css/css-logical/parsing/padding-block-inline-valid.html": [
+    [
+     "css/css-logical/parsing/padding-block-inline-valid.html",
+     {}
+    ]
+   ],
    "css/css-masking/clip-path/interpolation.html": [
     [
      "css/css-masking/clip-path/interpolation.html",
@@ -311862,6 +312009,12 @@
      {}
     ]
    ],
+   "css/css-multicol/parsing/column-rule-computed.html": [
+    [
+     "css/css-multicol/parsing/column-rule-computed.html",
+     {}
+    ]
+   ],
    "css/css-multicol/parsing/column-rule-invalid.html": [
     [
      "css/css-multicol/parsing/column-rule-invalid.html",
@@ -314994,6 +315147,42 @@
      {}
     ]
    ],
+   "css/css-text-decor/parsing/text-decoration-color-computed.html": [
+    [
+     "css/css-text-decor/parsing/text-decoration-color-computed.html",
+     {}
+    ]
+   ],
+   "css/css-text-decor/parsing/text-decoration-color-invalid.html": [
+    [
+     "css/css-text-decor/parsing/text-decoration-color-invalid.html",
+     {}
+    ]
+   ],
+   "css/css-text-decor/parsing/text-decoration-color-valid.html": [
+    [
+     "css/css-text-decor/parsing/text-decoration-color-valid.html",
+     {}
+    ]
+   ],
+   "css/css-text-decor/parsing/text-decoration-computed.html": [
+    [
+     "css/css-text-decor/parsing/text-decoration-computed.html",
+     {}
+    ]
+   ],
+   "css/css-text-decor/parsing/text-decoration-invalid.html": [
+    [
+     "css/css-text-decor/parsing/text-decoration-invalid.html",
+     {}
+    ]
+   ],
+   "css/css-text-decor/parsing/text-decoration-line-computed.html": [
+    [
+     "css/css-text-decor/parsing/text-decoration-line-computed.html",
+     {}
+    ]
+   ],
    "css/css-text-decor/parsing/text-decoration-line-invalid.html": [
     [
      "css/css-text-decor/parsing/text-decoration-line-invalid.html",
@@ -315042,6 +315231,12 @@
      {}
     ]
    ],
+   "css/css-text-decor/parsing/text-decoration-valid.html": [
+    [
+     "css/css-text-decor/parsing/text-decoration-valid.html",
+     {}
+    ]
+   ],
    "css/css-text-decor/parsing/text-underline-position-computed.html": [
     [
      "css/css-text-decor/parsing/text-underline-position-computed.html",
@@ -318386,6 +318581,12 @@
      {}
     ]
    ],
+   "css/css-typed-om/the-stylepropertymap/properties/logical.html": [
+    [
+     "css/css-typed-om/the-stylepropertymap/properties/logical.html",
+     {}
+    ]
+   ],
    "css/css-typed-om/the-stylepropertymap/properties/margin.html": [
     [
      "css/css-typed-om/the-stylepropertymap/properties/margin.html",
@@ -325237,6 +325438,12 @@
      {}
     ]
    ],
+   "editing/other/exec-command-without-editable-element.tentative.html": [
+    [
+     "editing/other/exec-command-without-editable-element.tentative.html",
+     {}
+    ]
+   ],
    "editing/other/extra-text-nodes.html": [
     [
      "editing/other/extra-text-nodes.html",
@@ -392094,6 +392301,18 @@
      {}
     ]
    ],
+   "svg/coordinate-systems/outer-svg-intrinsic-size-001.html": [
+    [
+     "svg/coordinate-systems/outer-svg-intrinsic-size-001.html",
+     {}
+    ]
+   ],
+   "svg/coordinate-systems/outer-svg-intrinsic-size-002.html": [
+    [
+     "svg/coordinate-systems/outer-svg-intrinsic-size-002.html",
+     {}
+    ]
+   ],
    "svg/extensibility/foreignObject/containing-block.html": [
     [
      "svg/extensibility/foreignObject/containing-block.html",
@@ -442839,6 +443058,14 @@
    "4f3a57b865b8b58fd5c037976880de8e6cc184da",
    "support"
   ],
+  "client-hints/accept_ch_feature_policy.tentative.sub.https.html": [
+   "6a5c00a759dc602c36adefd2d6d21bcee65add16",
+   "testharness"
+  ],
+  "client-hints/accept_ch_feature_policy.tentative.sub.https.html.headers": [
+   "31e3b5be18bed65b8582a86bd33098d88e6b71cb",
+   "support"
+  ],
   "client-hints/accept_ch_lifetime.tentative.https.html": [
    "678f8ea3322ec7ea02b113b1f69c29c5af042204",
    "testharness"
@@ -442863,8 +443090,16 @@
    "6d23758273ba2cc4a7ec865a523b549cd8a49875",
    "support"
   ],
+  "client-hints/accept_ch_no_feature_policy.tentative.sub.https.html": [
+   "02fbf8975b85a4525867c969028a6bcdbd1f7606",
+   "testharness"
+  ],
+  "client-hints/accept_ch_no_feature_policy.tentative.sub.https.html.headers": [
+   "c6391a863e698c68b206c2c06311ae85d161d285",
+   "support"
+  ],
   "client-hints/echo_client_hints_received.py": [
-   "f7debdb7b0b7073ec1878ffc17a9816a61f5f4c3",
+   "e5088c87199247416aac2397ee1a3a78f0a6e688",
    "support"
   ],
   "client-hints/http_equiv_accept_ch.tentative.http.html": [
@@ -499983,6 +500218,14 @@
    "ca25710deecaeaf1e4fb06e256c3fb07f926081b",
    "visual"
   ],
+  "css/CSS2/normal-flow/negative-margin-001-ref.html": [
+   "e98059a69f63befe25d90eb8fd7f328870633150",
+   "support"
+  ],
+  "css/CSS2/normal-flow/negative-margin-001.html": [
+   "597516d5120055a74fdc7260a5f1e04c111c7fce",
+   "reftest"
+  ],
   "css/CSS2/normal-flow/negative-margin-shrinking-container-size-001.html": [
    "dc61db5830043efecc95e2a44787e6ffb5d15d0c",
    "reftest"
@@ -538051,6 +538294,10 @@
    "25c91ad0597ed9e6b6f99efcfdbdd7b30f4f77e6",
    "testharness"
   ],
+  "css/css-flexbox/parsing/flex-computed.html": [
+   "5f539866d7182c224da8290cb9655d8604b93afb",
+   "testharness"
+  ],
   "css/css-flexbox/parsing/flex-direction-computed.html": [
    "13b2f7e674f9a277337035c3c48c9ebfe68055e4",
    "testharness"
@@ -546319,6 +546566,22 @@
    "ed432f65ebf504fb6568f494affe8f8ea5dd4866",
    "reftest"
   ],
+  "css/css-forced-color-adjust/inheritance.html": [
+   "ca396e72d7a5e8134545fc9e6c231d3dc956156f",
+   "testharness"
+  ],
+  "css/css-forced-color-adjust/parsing/forced-color-adjust-computed.html": [
+   "cd9349c075cdf5d0c25d78f1506971e60f1cc925",
+   "testharness"
+  ],
+  "css/css-forced-color-adjust/parsing/forced-color-adjust-invalid.html": [
+   "f1b6f696a72cf087915b7905b790e00e20e6a076",
+   "testharness"
+  ],
+  "css/css-forced-color-adjust/parsing/forced-color-adjust-valid.html": [
+   "cfa36da229a059776d03311438886c9c66301946",
+   "testharness"
+  ],
   "css/css-gcpm/META.yml": [
    "b2e33e393da1a1a9f837e1498a68cc9939384a2f",
    "support"
@@ -550535,6 +550798,18 @@
    "1287f697873efb6a538f8682a484f9db48df054d",
    "testharness"
   ],
+  "css/css-logical/parsing/margin-block-inline-invalid.html": [
+   "a1e0cbf3885b6518266eba0ef23d40f53a0c5c20",
+   "testharness"
+  ],
+  "css/css-logical/parsing/margin-block-inline-valid.html": [
+   "4a278f90348c9e7c9de983e813c02fa10432d28a",
+   "testharness"
+  ],
+  "css/css-logical/parsing/max-block-size-computed.html": [
+   "d7d7f2f8740f461c26e22c9ab6d13a4566f1f63c",
+   "testharness"
+  ],
   "css/css-logical/parsing/max-block-size-invalid.html": [
    "adcf6e497eac2ecbf3e28c50074a3e6ed83b0af6",
    "testharness"
@@ -550543,6 +550818,10 @@
    "75b5c6f54973ef162cfb67f775f68f9958ede259",
    "testharness"
   ],
+  "css/css-logical/parsing/max-inline-size-computed.html": [
+   "c5d1fe6e8dfeb295b9bc54ba82f84c0289c7603f",
+   "testharness"
+  ],
   "css/css-logical/parsing/max-inline-size-invalid.html": [
    "fa695551b2448b767e15b85979618f255d64e1c7",
    "testharness"
@@ -550551,6 +550830,10 @@
    "19d582962dc04f879bf56603d1afe73cb08eaef4",
    "testharness"
   ],
+  "css/css-logical/parsing/min-block-size-computed.html": [
+   "d08a0f6fc4b68fd451b3bfb12752ece9674a7899",
+   "testharness"
+  ],
   "css/css-logical/parsing/min-block-size-invalid.html": [
    "325dc2e0aeac61845ead7684d2a8aa6fb9103c86",
    "testharness"
@@ -550559,6 +550842,10 @@
    "5a5d4a43852d96105bd207dec9c9c8dbd5b6403d",
    "testharness"
   ],
+  "css/css-logical/parsing/min-inline-size-computed.html": [
+   "ac17044f4b8d3498cf797ae3819046520eb0bb24",
+   "testharness"
+  ],
   "css/css-logical/parsing/min-inline-size-invalid.html": [
    "eb2cc8bb1067335ef6789c0fcece0a76df82f6c1",
    "testharness"
@@ -550567,6 +550854,14 @@
    "fa4ba0d1bb2607d954d3a2ea3272282872704799",
    "testharness"
   ],
+  "css/css-logical/parsing/padding-block-inline-invalid.html": [
+   "56c2adb07827ef54b42b6a797e0f700eeec56165",
+   "testharness"
+  ],
+  "css/css-logical/parsing/padding-block-inline-valid.html": [
+   "1f3be1778413e72742f8fd1bde098ce56bcde368",
+   "testharness"
+  ],
   "css/css-logical/reference/logical-values-float-clear-reftest-ref.html": [
    "28c275ebb307a3db20c019daebe140e3fa591971",
    "support"
@@ -553019,6 +553314,10 @@
    "99ad7adbdca81c9498606b8eb4a76ccea52e4bf4",
    "testharness"
   ],
+  "css/css-multicol/parsing/column-rule-computed.html": [
+   "a0907cdfeed353f6cb9fa6b1af28f2f5af7d724c",
+   "testharness"
+  ],
   "css/css-multicol/parsing/column-rule-invalid.html": [
    "e9945ec77404f4d453eda7f7e90c771f993336ca",
    "testharness"
@@ -561331,6 +561630,30 @@
    "633c5c00392711f1fe1911a07f9cf53c3cd702e9",
    "reftest"
   ],
+  "css/css-text-decor/parsing/text-decoration-color-computed.html": [
+   "deb1563a0e900aaf8224eb193b01fa744bf00b5b",
+   "testharness"
+  ],
+  "css/css-text-decor/parsing/text-decoration-color-invalid.html": [
+   "24364d89ba3608a8a965308b700a109b07c43165",
+   "testharness"
+  ],
+  "css/css-text-decor/parsing/text-decoration-color-valid.html": [
+   "f1998f045a4bb775c464a50578683b20a66d5baa",
+   "testharness"
+  ],
+  "css/css-text-decor/parsing/text-decoration-computed.html": [
+   "109d475d47080b60d973985b835f868ced7981ad",
+   "testharness"
+  ],
+  "css/css-text-decor/parsing/text-decoration-invalid.html": [
+   "90095c0114f08dfab0ec184ca1b256066583071f",
+   "testharness"
+  ],
+  "css/css-text-decor/parsing/text-decoration-line-computed.html": [
+   "d27a6dde79bd4af5286fd69a47920402f49142e8",
+   "testharness"
+  ],
   "css/css-text-decor/parsing/text-decoration-line-invalid.html": [
    "ec8d792c0a803dc726b01e762602b717befc5426",
    "testharness"
@@ -561363,6 +561686,10 @@
    "d47303f80546526c1c96b2c1e58d5c5e45ecedd9",
    "testharness"
   ],
+  "css/css-text-decor/parsing/text-decoration-valid.html": [
+   "1c1aef3ff00a9f0d3867be9d395485d5b93bbede",
+   "testharness"
+  ],
   "css/css-text-decor/parsing/text-underline-position-computed.html": [
    "eadbe04a032bcf602360ed1d487848e64442437c",
    "testharness"
@@ -575195,6 +575522,10 @@
    "61e75407b31951af54636880401c0008d432c430",
    "testharness"
   ],
+  "css/css-typed-om/the-stylepropertymap/properties/logical.html": [
+   "e8085b02787a17c3ccd17d7c0dc8c94d9156b426",
+   "testharness"
+  ],
   "css/css-typed-om/the-stylepropertymap/properties/margin.html": [
    "3ad126eaf1dc9f87c3e5423e68f1d7d94f2967c6",
    "testharness"
@@ -590739,6 +591070,14 @@
    "46bfede1a5ba155f4c1d6750d1bc941909522b1a",
    "support"
   ],
+  "css/selectors/remove-hovered-element-ref.html": [
+   "9527a465ea64cb106704baf3e45647d97239ef5b",
+   "support"
+  ],
+  "css/selectors/remove-hovered-element.html": [
+   "ec2eed1d47d33ef492c601bda08f9b6d779a28fc",
+   "reftest"
+  ],
   "css/selectors/resources/blue15x15.png": [
    "89de32fdb8a4e48b1320f40f5a75352773077cee",
    "support"
@@ -600872,7 +601211,7 @@
    "testharness"
   ],
   "custom-elements/upgrading.html": [
-   "aaea0cb4a021169631c2b50d0f597cb727a0b614",
+   "d6b8ed387540ae9572774e5557b1168f844a017f",
    "testharness"
   ],
   "custom-elements/upgrading/Document-importNode.html": [
@@ -603399,6 +603738,10 @@
    "e500c76026b7bebd34caf2ea2832cd101b6d7dea",
    "testharness"
   ],
+  "editing/other/exec-command-without-editable-element.tentative.html": [
+   "703db9d3c984a6eb93ddd04e87c38681e1b53b3c",
+   "testharness"
+  ],
   "editing/other/extra-text-nodes.html": [
    "2cd1232d00b8bdcf3a48ba01b3f2cfd05e27f094",
    "testharness"
@@ -643596,7 +643939,7 @@
    "support"
   ],
   "performance-timeline/supportedEntryTypes.any.js": [
-   "a0225ad2f76fdcfebb0a7c9aff9bd0030ecf86aa",
+   "25f195939e7b692509625b8131e537164cdf56c0",
    "testharness"
   ],
   "performance-timeline/webtiming-resolution.any.js": [
@@ -657944,7 +658287,7 @@
    "testharness"
   ],
   "service-workers/service-worker/postmessage.https.html": [
-   "b1f3342a8c14e707097bf6c90e5f4fee5fd19a4a",
+   "7abb3022f91a8daa5bf0f98fa0d4793780f4844c",
    "testharness"
   ],
   "service-workers/service-worker/ready.https.html": [
@@ -658887,6 +659230,10 @@
    "87a4500d754ab02465e109899e7f1ffdc0bdca53",
    "support"
   ],
+  "service-workers/service-worker/resources/postmessage-echo-worker.js": [
+   "f088ad127804297cf981e61acb1c33ea7b0620c4",
+   "support"
+  ],
   "service-workers/service-worker/resources/postmessage-msgport-to-client-worker.js": [
    "7af935f4f8fc01756980e46dcce5018ddc620e67",
    "support"
@@ -659352,7 +659699,7 @@
    "testharness"
   ],
   "service-workers/service-worker/unregister-then-register.https.html": [
-   "ddbbcfd9934f75c050a5212c1e823a8105ca44f4",
+   "5fd2cf970950bf94968867c75c41e0aa97205f76",
    "testharness"
   ],
   "service-workers/service-worker/unregister.https.html": [
@@ -660408,7 +660755,7 @@
    "support"
   ],
   "signed-exchange/resources/generate-test-sxgs.sh": [
-   "a7776114379a8349feebc9e0ba8d32872260cc9a",
+   "16750f25438a52d4cbe74ea98827bb1743ca37ac",
    "support"
   ],
   "signed-exchange/resources/inner-url.html": [
@@ -661359,10 +661706,22 @@
    "fb37bbe7f3ae4a61d1c216970c8a263673aed0dc",
    "reftest"
   ],
+  "svg/coordinate-systems/outer-svg-intrinsic-size-001.html": [
+   "0d9e2393ad0a16685fca1d5f2b9c378fbe2c851b",
+   "testharness"
+  ],
+  "svg/coordinate-systems/outer-svg-intrinsic-size-002.html": [
+   "8a65d6491842e150b3fcfc29759667b40764bc09",
+   "testharness"
+  ],
   "svg/coordinate-systems/support/abspos-ref.html": [
    "6966d8cbc88de06a3170fbd2d5941f858d004fe2",
    "support"
   ],
+  "svg/coordinate-systems/support/simple.svg": [
+   "e0af766e8ff5de780818b9d0712714dd5638e882",
+   "support"
+  ],
   "svg/embedded/image-embedding-svg-viewref-with-viewbox.svg": [
    "6340c19d2a0e7c72faec83e2fb990ed9abe487f8",
    "reftest"
@@ -664603,6 +664962,14 @@
    "1894bf8cc3b1c51f7bebd334ca422e9c75d5c3dd",
    "reftest"
   ],
+  "svg/render/reftests/render-sync-with-font-size-ref.html": [
+   "c3131930417053812366429ecb741f730abf7592",
+   "support"
+  ],
+  "svg/render/reftests/render-sync-with-font-size.html": [
+   "e78ba1f3cdc0763822a6a2d9ef8f3b406ec3bd66",
+   "reftest"
+  ],
   "svg/rendering/order/clip-path-filter-order-ref.svg": [
    "ea42d9eb02a5f23fadc062c41cfa513979764aef",
    "support"
@@ -677240,7 +677607,7 @@
    "testharness"
   ],
   "webrtc/RTCPeerConnection-helper.js": [
-   "fde1c6f0374a02c0998fdfe3a1ba5e7046d314f4",
+   "d859ac736ae6bf0187640dbe2148d8e0d64d9345",
    "support"
   ],
   "webrtc/RTCPeerConnection-iceConnectionState-disconnected.https.html": [
diff --git a/tests/wpt/metadata/css/compositing/mix-blend-mode/mix-blend-mode-animation.html.ini b/tests/wpt/metadata/css/compositing/mix-blend-mode/mix-blend-mode-animation.html.ini
new file mode 100644
index 00000000000..5496474410b
--- /dev/null
+++ b/tests/wpt/metadata/css/compositing/mix-blend-mode/mix-blend-mode-animation.html.ini
@@ -0,0 +1,2 @@
+[mix-blend-mode-animation.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata/css/css-flexbox/parsing/flex-computed.html.ini b/tests/wpt/metadata/css/css-flexbox/parsing/flex-computed.html.ini
new file mode 100644
index 00000000000..a4ef36ffacf
--- /dev/null
+++ b/tests/wpt/metadata/css/css-flexbox/parsing/flex-computed.html.ini
@@ -0,0 +1,25 @@
+[flex-computed.html]
+  [Property flex value '8 auto' computes to '8 1 auto']
+    expected: FAIL
+
+  [Property flex value '1' computes to '1 1 0%']
+    expected: FAIL
+
+  [Property flex value 'none' computes to '0 0 auto']
+    expected: FAIL
+
+  [Property flex value 'calc(10px - 0.5em)' computes to '1 1 0px']
+    expected: FAIL
+
+  [Property flex value 'calc(10px + 0.5em)' computes to '1 1 30px']
+    expected: FAIL
+
+  [Property flex value '4 5 6px' computes to '4 5 6px']
+    expected: FAIL
+
+  [Property flex value '7% 8' computes to '8 1 7%']
+    expected: FAIL
+
+  [Property flex value '2 3' computes to '2 3 0%']
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/css/css-text-decor/parsing/text-decoration-color-computed.html.ini b/tests/wpt/metadata/css/css-text-decor/parsing/text-decoration-color-computed.html.ini
new file mode 100644
index 00000000000..26d7104a525
--- /dev/null
+++ b/tests/wpt/metadata/css/css-text-decor/parsing/text-decoration-color-computed.html.ini
@@ -0,0 +1,10 @@
+[text-decoration-color-computed.html]
+  [Property text-decoration-color value 'currentcolor' computes to 'rgb(0, 255, 0)']
+    expected: FAIL
+
+  [Property text-decoration-color value 'inherit' computes to 'rgb(0, 255, 0)']
+    expected: FAIL
+
+  [Property text-decoration-color value 'rgb(0, 0, 255)' computes to 'rgb(0, 0, 255)']
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/css/css-text-decor/parsing/text-decoration-color-valid.html.ini b/tests/wpt/metadata/css/css-text-decor/parsing/text-decoration-color-valid.html.ini
new file mode 100644
index 00000000000..030a804ef83
--- /dev/null
+++ b/tests/wpt/metadata/css/css-text-decor/parsing/text-decoration-color-valid.html.ini
@@ -0,0 +1,10 @@
+[text-decoration-color-valid.html]
+  [e.style['text-decoration-color'\] = "currentcolor" should set the property value]
+    expected: FAIL
+
+  [e.style['text-decoration-color'\] = "red" should set the property value]
+    expected: FAIL
+
+  [e.style['text-decoration-color'\] = "rgba(10, 20, 30, 0.4)" should set the property value]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/css/css-text-decor/parsing/text-decoration-computed.html.ini b/tests/wpt/metadata/css/css-text-decor/parsing/text-decoration-computed.html.ini
new file mode 100644
index 00000000000..08c27709bd7
--- /dev/null
+++ b/tests/wpt/metadata/css/css-text-decor/parsing/text-decoration-computed.html.ini
@@ -0,0 +1,25 @@
+[text-decoration-computed.html]
+  [Property text-decoration value 'solid' computes to 'none solid rgb(0, 0, 255)']
+    expected: FAIL
+
+  [Property text-decoration value 'underline dashed rgb(0, 255, 0)' computes to 'underline dashed rgb(0, 255, 0)']
+    expected: FAIL
+
+  [Property text-decoration value 'underline overline line-through red' computes to 'underline overline line-through solid rgb(255, 0, 0)']
+    expected: FAIL
+
+  [Property text-decoration value 'none' computes to 'none solid rgb(0, 0, 255)']
+    expected: FAIL
+
+  [Property text-decoration value 'rgba(10, 20, 30, 0.4) dotted' computes to 'none dotted rgba(10, 20, 30, 0.4)']
+    expected: FAIL
+
+  [Property text-decoration value 'double overline underline' computes to 'underline overline double rgb(0, 0, 255)']
+    expected: FAIL
+
+  [Property text-decoration value 'line-through' computes to 'line-through solid rgb(0, 0, 255)']
+    expected: FAIL
+
+  [Property text-decoration value 'currentcolor' computes to 'none solid rgb(0, 0, 255)']
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/css/css-text-decor/parsing/text-decoration-line-computed.html.ini b/tests/wpt/metadata/css/css-text-decor/parsing/text-decoration-line-computed.html.ini
new file mode 100644
index 00000000000..ffc3641723a
--- /dev/null
+++ b/tests/wpt/metadata/css/css-text-decor/parsing/text-decoration-line-computed.html.ini
@@ -0,0 +1,7 @@
+[text-decoration-line-computed.html]
+  [Property text-decoration-line value 'spelling-error' computes to 'spelling-error']
+    expected: FAIL
+
+  [Property text-decoration-line value 'grammar-error' computes to 'grammar-error']
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/css/css-text-decor/parsing/text-decoration-valid.html.ini b/tests/wpt/metadata/css/css-text-decor/parsing/text-decoration-valid.html.ini
new file mode 100644
index 00000000000..b153c32c44e
--- /dev/null
+++ b/tests/wpt/metadata/css/css-text-decor/parsing/text-decoration-valid.html.ini
@@ -0,0 +1,19 @@
+[text-decoration-valid.html]
+  [e.style['text-decoration'\] = "underline dashed green" should set the property value]
+    expected: FAIL
+
+  [e.style['text-decoration'\] = "rgba(10, 20, 30, 0.4) dotted" should set the property value]
+    expected: FAIL
+
+  [e.style['text-decoration'\] = "solid" should set the property value]
+    expected: FAIL
+
+  [e.style['text-decoration'\] = "underline overline line-through red" should set the property value]
+    expected: FAIL
+
+  [e.style['text-decoration'\] = "currentcolor" should set the property value]
+    expected: FAIL
+
+  [e.style['text-decoration'\] = "double overline underline" should set the property value]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/css/cssom-view/matchMedia-display-none-iframe.html.ini b/tests/wpt/metadata/css/cssom-view/matchMedia-display-none-iframe.html.ini
new file mode 100644
index 00000000000..e6e1f29e274
--- /dev/null
+++ b/tests/wpt/metadata/css/cssom-view/matchMedia-display-none-iframe.html.ini
@@ -0,0 +1,2 @@
+[matchMedia-display-none-iframe.html]
+  expected: ERROR
diff --git a/tests/wpt/metadata/css/selectors/remove-hovered-element.html.ini b/tests/wpt/metadata/css/selectors/remove-hovered-element.html.ini
new file mode 100644
index 00000000000..d01b449121c
--- /dev/null
+++ b/tests/wpt/metadata/css/selectors/remove-hovered-element.html.ini
@@ -0,0 +1,2 @@
+[remove-hovered-element.html]
+  expected: TIMEOUT
diff --git a/tests/wpt/metadata/custom-elements/upgrading.html.ini b/tests/wpt/metadata/custom-elements/upgrading.html.ini
index fba508210d6..8f4577d5b77 100644
--- a/tests/wpt/metadata/custom-elements/upgrading.html.ini
+++ b/tests/wpt/metadata/custom-elements/upgrading.html.ini
@@ -2,3 +2,6 @@
   [Custom Elements: Enqueue a custom element upgrade reaction]
     expected: FAIL
 
+  [If definition's disable shadow is true and element's shadow root is non-null, then throw a "NotSupportedError" DOMException.]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/encoding/single-byte-decoder.html.ini b/tests/wpt/metadata/encoding/single-byte-decoder.html.ini
index 3d135f3bd66..939a36eb9d9 100644
--- a/tests/wpt/metadata/encoding/single-byte-decoder.html.ini
+++ b/tests/wpt/metadata/encoding/single-byte-decoder.html.ini
@@ -2,7 +2,6 @@
   type: testharness
 
 [single-byte-decoder.html?document]
-  expected: TIMEOUT
   [ISO-8859-4: iso_8859-4:1988 (document.characterSet and document.inputEncoding)]
     expected: FAIL
 
diff --git a/tests/wpt/metadata/fetch/content-type/response.window.js.ini b/tests/wpt/metadata/fetch/content-type/response.window.js.ini
index 5e897480adc..1c539f8e0a8 100644
--- a/tests/wpt/metadata/fetch/content-type/response.window.js.ini
+++ b/tests/wpt/metadata/fetch/content-type/response.window.js.ini
@@ -312,30 +312,6 @@
   [<iframe>: separate response Content-Type: text/plain */*;charset=gbk]
     expected: FAIL
 
-  [<iframe>: combined response Content-Type: text/html;charset=gbk text/plain text/html]
-    expected: FAIL
-
-  [<iframe>: separate response Content-Type: text/html;charset=gbk text/plain text/html]
-    expected: FAIL
-
-  [<iframe>: separate response Content-Type: text/html */*;charset=gbk]
-    expected: FAIL
-
-  [<iframe>: separate response Content-Type: text/html */*]
-    expected: FAIL
-
-  [<iframe>: separate response Content-Type: text/html;" \\" text/plain]
-    expected: FAIL
-
-  [<iframe>: combined response Content-Type: */* text/html]
-    expected: FAIL
-
-  [<iframe>: separate response Content-Type: */* text/html]
-    expected: FAIL
-
-  [<iframe>: separate response Content-Type: text/html;x=" text/plain]
-    expected: FAIL
-
-  [<iframe>: combined response Content-Type: text/html;x=" text/plain]
+  [<iframe>: combined response Content-Type: text/html;" \\" text/plain]
     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
deleted file mode 100644
index 8cc42056d34..00000000000
--- a/tests/wpt/metadata/html/semantics/embedded-content/the-img-element/non-active-document.html.ini
+++ /dev/null
@@ -1,10 +0,0 @@
-[non-active-document.html]
-  [DOMParser]
-    expected: FAIL
-
-  [createHTMLDocument]
-    expected: FAIL
-
-  [<template>]
-    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 a9677391662..00000000000
--- a/tests/wpt/metadata/html/syntax/parsing/DOMContentLoaded-defer.html.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[DOMContentLoaded-defer.html]
-  [The end: DOMContentLoaded and defer scripts]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata/performance-timeline/supportedEntryTypes.any.js.ini b/tests/wpt/metadata/performance-timeline/supportedEntryTypes.any.js.ini
index 356bd49af5a..7a4c5914b17 100644
--- a/tests/wpt/metadata/performance-timeline/supportedEntryTypes.any.js.ini
+++ b/tests/wpt/metadata/performance-timeline/supportedEntryTypes.any.js.ini
@@ -2,8 +2,14 @@
   [supportedEntryTypes exists and returns entries in alphabetical order]
     expected: FAIL
 
+  [supportedEntryTypes caches result]
+    expected: FAIL
+
 
 [supportedEntryTypes.any.worker.html]
   [supportedEntryTypes exists and returns entries in alphabetical order]
     expected: FAIL
 
+  [supportedEntryTypes caches result]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/webdriver/tests/new_session/response.py.ini b/tests/wpt/metadata/webdriver/tests/new_session/response.py.ini
deleted file mode 100644
index 95054b62db0..00000000000
--- a/tests/wpt/metadata/webdriver/tests/new_session/response.py.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[response.py]
-  expected: TIMEOUT
diff --git a/tests/wpt/metadata/workers/baseurl/alpha/import-in-moduleworker.html.ini b/tests/wpt/metadata/workers/baseurl/alpha/import-in-moduleworker.html.ini
index bf2a1d61bab..bfd4d6dd2d6 100644
--- a/tests/wpt/metadata/workers/baseurl/alpha/import-in-moduleworker.html.ini
+++ b/tests/wpt/metadata/workers/baseurl/alpha/import-in-moduleworker.html.ini
@@ -1,4 +1,5 @@
 [import-in-moduleworker.html]
+  expected: ERROR
   [Base URL in module dedicated workers: import]
     expected: FAIL
 
diff --git a/tests/wpt/mozilla/meta/css/transition_calc_implicit.html.ini b/tests/wpt/mozilla/meta/css/transition_calc_implicit.html.ini
new file mode 100644
index 00000000000..dbea4f293ad
--- /dev/null
+++ b/tests/wpt/mozilla/meta/css/transition_calc_implicit.html.ini
@@ -0,0 +1,2 @@
+[transition_calc_implicit.html]
+  expected: TIMEOUT
diff --git a/tests/wpt/web-platform-tests/client-hints/accept_ch_feature_policy.tentative.sub.https.html b/tests/wpt/web-platform-tests/client-hints/accept_ch_feature_policy.tentative.sub.https.html
new file mode 100644
index 00000000000..6a5c00a759d
--- /dev/null
+++ b/tests/wpt/web-platform-tests/client-hints/accept_ch_feature_policy.tentative.sub.https.html
@@ -0,0 +1,64 @@
+<html>
+<body>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/common/get-host-info.sub.js"></script>
+<script>
+
+// If the response for the HTML file contains "Accept-CH" in the response
+// headers, then the browser should attach the specified client hints in the
+// HTTP request headers depending on whether the resource is being fetched from
+// the same origin or a different origin. Test this functionality by fetching
+// same-origin and cross-origin resources from this page. The response headers
+// for this page include "Accept-CH: device-memory, dpr, viewport-width, rtt, downlink, ect".
+//
+// echo_client_hints_received.py sets the response headers depending on the set
+// of client hints it receives in the request headers.
+
+promise_test(t => {
+  return fetch(get_host_info()["HTTPS_ORIGIN"] + "/client-hints/echo_client_hints_received.py").then(r => {
+    assert_equals(r.status, 200)
+    // Verify that the browser includes client hints in the headers for a
+    // same-origin fetch which not specifically excluded via Feature-Policy.
+    assert_true(r.headers.has("device-memory-received"), "device-memory-received");
+    assert_false(r.headers.has("dpr-received"), "dpr-received");
+    assert_false(r.headers.has("lang-received"), "lang-received");
+    assert_true(r.headers.has("viewport-width-received"), "viewport-width-received");
+
+    assert_true(r.headers.has("rtt-received"), "rtt-received");
+    var rtt = parseInt(r.headers.get("rtt-received"));
+    assert_greater_than_equal(rtt, 0);
+    assert_less_than_equal(rtt, 3000);
+    assert_equals(rtt % 50, 0, 'rtt must be a multiple of 50 msec');
+
+    assert_true(r.headers.has("downlink-received"), "downlink-received");
+    var downlinkKbps  = r.headers.get("downlink-received") * 1000;
+    assert_greater_than_equal(downlinkKbps, 0);
+    assert_less_than_equal(downlinkKbps, 10000);
+
+    assert_in_array(r.headers.get("ect-received"), ["slow-2g", "2g",
+          "3g", "4g"], 'ect-received is unexpected');
+  });
+}, "Accept-CH header test");
+
+promise_test(t => {
+  return fetch(get_host_info()["HTTPS_REMOTE_ORIGIN"] + "/client-hints/echo_client_hints_received.py").then(r => {
+    assert_equals(r.status, 200)
+    // Verify that the browser includes client hints in the headers for a
+    // cross-origin fetch which are specifically requested via Feature-Policy.
+    assert_true(r.headers.has("device-memory-received"), "device-memory-received");
+    assert_false(r.headers.has("dpr-received"), "dpr-received");
+    assert_false(r.headers.has("lang-received"), "lang-received");
+    assert_false(r.headers.has("viewport-width-received"), "viewport-width-received");
+    assert_false(r.headers.has("rtt-received"), "rtt-received");
+    assert_false(r.headers.has("downlink-received"), "downlink-received");
+    assert_false(r.headers.has("ect-received"), "ect-received");
+  });
+}, "Cross-Origin Accept-CH header test");
+
+
+
+</script>
+
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/client-hints/accept_ch_feature_policy.tentative.sub.https.html.headers b/tests/wpt/web-platform-tests/client-hints/accept_ch_feature_policy.tentative.sub.https.html.headers
new file mode 100644
index 00000000000..31e3b5be18b
--- /dev/null
+++ b/tests/wpt/web-platform-tests/client-hints/accept_ch_feature_policy.tentative.sub.https.html.headers
@@ -0,0 +1,2 @@
+Accept-CH: device-memory, dpr, viewport-width, rtt, downlink, ect, lang
+Feature-Policy: ch-device-memory *; ch-dpr 'none'; ch-viewport-width 'self'; ch-lang 'none'
diff --git a/tests/wpt/web-platform-tests/client-hints/accept_ch_no_feature_policy.tentative.sub.https.html b/tests/wpt/web-platform-tests/client-hints/accept_ch_no_feature_policy.tentative.sub.https.html
new file mode 100644
index 00000000000..02fbf8975b8
--- /dev/null
+++ b/tests/wpt/web-platform-tests/client-hints/accept_ch_no_feature_policy.tentative.sub.https.html
@@ -0,0 +1,62 @@
+<html>
+<body>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/common/get-host-info.sub.js"></script>
+<script>
+
+// If the response for the HTML file contains "Accept-CH" in the response
+// headers, then the browser should attach the specified client hints in the
+// HTTP request headers depending on whether the resource is being fetched from
+// the same origin or a different origin. Test this functionality by fetching
+// same-origin and cross-origin resources from this page. The response headers
+// for this page include "Accept-CH: device-memory, dpr, viewport-width, rtt, downlink, ect".
+//
+// echo_client_hints_received.py sets the response headers depending on the set
+// of client hints it receives in the request headers.
+
+promise_test(t => {
+  return fetch(get_host_info()["HTTPS_ORIGIN"] + "/client-hints/echo_client_hints_received.py").then(r => {
+    assert_equals(r.status, 200)
+    // Verify that the browser includes client hints in the headers for a
+    // same-origin fetch with the default feature policy in place.
+    assert_true(r.headers.has("device-memory-received"), "device-memory-received");
+    assert_true(r.headers.has("dpr-received"), "dpr-received");
+    assert_true(r.headers.has("viewport-width-received"), "viewport-width-received");
+
+    assert_true(r.headers.has("rtt-received"), "rtt-received");
+    var rtt = parseInt(r.headers.get("rtt-received"));
+    assert_greater_than_equal(rtt, 0);
+    assert_less_than_equal(rtt, 3000);
+    assert_equals(rtt % 50, 0, 'rtt must be a multiple of 50 msec');
+
+    assert_true(r.headers.has("downlink-received"), "downlink-received");
+    var downlinkKbps  = r.headers.get("downlink-received") * 1000;
+    assert_greater_than_equal(downlinkKbps, 0);
+    assert_less_than_equal(downlinkKbps, 10000);
+
+    assert_in_array(r.headers.get("ect-received"), ["slow-2g", "2g",
+          "3g", "4g"], 'ect-received is unexpected');
+  });
+}, "Accept-CH header test");
+
+promise_test(t => {
+  return fetch(get_host_info()["HTTPS_REMOTE_ORIGIN"] + "/client-hints/echo_client_hints_received.py").then(r => {
+    assert_equals(r.status, 200)
+    // Verify that the browser includes no client hints in the headers for a
+    // cross-origin fetch with the default feature policy in place.
+    assert_false(r.headers.has("device-memory-received"), "device-memory-received");
+    assert_false(r.headers.has("dpr-received"), "dpr-received");
+    assert_false(r.headers.has("viewport-width-received"), "viewport-width-received");
+    assert_false(r.headers.has("rtt-received"), "rtt-received");
+    assert_false(r.headers.has("downlink-received"), "downlink-received");
+    assert_false(r.headers.has("ect-received"), "ect-received");
+  });
+}, "Cross-Origin Accept-CH header test");
+
+
+
+</script>
+
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/client-hints/accept_ch_no_feature_policy.tentative.sub.https.html.headers b/tests/wpt/web-platform-tests/client-hints/accept_ch_no_feature_policy.tentative.sub.https.html.headers
new file mode 100644
index 00000000000..c6391a863e6
--- /dev/null
+++ b/tests/wpt/web-platform-tests/client-hints/accept_ch_no_feature_policy.tentative.sub.https.html.headers
@@ -0,0 +1 @@
+Accept-CH: device-memory, dpr, viewport-width, rtt, downlink, ect
diff --git a/tests/wpt/web-platform-tests/client-hints/echo_client_hints_received.py b/tests/wpt/web-platform-tests/client-hints/echo_client_hints_received.py
index f7debdb7b0b..e5088c87199 100644
--- a/tests/wpt/web-platform-tests/client-hints/echo_client_hints_received.py
+++ b/tests/wpt/web-platform-tests/client-hints/echo_client_hints_received.py
@@ -5,6 +5,8 @@ def main(request, response):
     """
 
     response.headers.append("Access-Control-Allow-Origin", "*")
+    response.headers.append("Access-Control-Allow-Headers", "*")
+    response.headers.append("Access-Control-Expose-Headers", "*")
 
     if "device-memory" in request.headers:
             response.headers.set("device-memory-received", request.headers.get("device-memory"))
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/negative-margin-001-ref.html b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/negative-margin-001-ref.html
new file mode 100644
index 00000000000..e98059a69f6
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/negative-margin-001-ref.html
@@ -0,0 +1,35 @@
+<!DOCTYPE html>
+<style>
+html, body {
+  margin: 0;
+}
+html {
+  margin-left: 10px;
+}
+outer {
+  display: block;
+  border: blue 10px solid;
+  width: 100px;
+}
+inner {
+  display: block;
+  border: orange 10px solid;
+  margin-left: -20px;
+  margin-right: -50px;
+  height: 10px;
+}
+</style>
+<body>
+  <outer>
+    <inner></inner>
+  </outer>
+  <outer>
+    <inner></inner>
+  </outer>
+  <outer>
+    <inner></inner>
+  </outer>
+  <outer>
+    <inner></inner>
+  </outer>
+</body>
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/negative-margin-001.html b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/negative-margin-001.html
new file mode 100644
index 00000000000..597516d5120
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/negative-margin-001.html
@@ -0,0 +1,42 @@
+<!DOCTYPE html>
+<title>Negative margins in LTR/RTL and BFC/non-BFC</title>
+<link rel="author" title="Koji Ishii" href="kojii@chromium.org">
+<link rel="help" href="https://www.w3.org/TR/CSS22/box.html#margin-properties" title="Margin properties">
+<link rel="match" href="negative-margin-001-ref.html">
+<style>
+html, body {
+  margin: 0;
+}
+html {
+  margin-left: 10px;
+}
+outer {
+  display: block;
+  border: blue 10px solid;
+  width: 100px;
+}
+inner {
+  display: block;
+  border: orange 10px solid;
+  margin-left: -20px;
+  margin-right: -50px;
+  height: 10px;
+}
+inner.bfc {
+  overflow: hidden;
+}
+</style>
+<body>
+  <outer>
+    <inner></inner>
+  </outer>
+  <outer dir="rtl">
+    <inner></inner>
+  </outer>
+  <outer>
+    <inner class="bfc"></inner>
+  </outer>
+  <outer dir="rtl">
+    <inner class="bfc"></inner>
+  </outer>
+</body>
diff --git a/tests/wpt/web-platform-tests/css/css-flexbox/parsing/flex-computed.html b/tests/wpt/web-platform-tests/css/css-flexbox/parsing/flex-computed.html
new file mode 100644
index 00000000000..5f539866d71
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-flexbox/parsing/flex-computed.html
@@ -0,0 +1,30 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Flexible Box Layout: getComputedValue().flex</title>
+<link rel="help" href="https://drafts.csswg.org/css-flexbox/#propdef-flex">
+<meta name="assert" content="flex computed value is specified keywords and/or computed <length-percentage>.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/computed-testcommon.js"></script>
+<style>
+  #target {
+    font-size: 40px;
+  }
+</style>
+</head>
+<body>
+<div id="target"></div>
+<script>
+test_computed_value("flex", "none", "0 0 auto");
+test_computed_value("flex", "1", "1 1 0%");
+test_computed_value("flex", "2 3", "2 3 0%");
+test_computed_value("flex", "4 5 6px");
+test_computed_value("flex", "7% 8", "8 1 7%");
+test_computed_value("flex", "8 auto", "8 1 auto");
+test_computed_value("flex", "calc(10px + 0.5em)", "1 1 30px");
+test_computed_value("flex", "calc(10px - 0.5em)", "1 1 0px");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-forced-color-adjust/inheritance.html b/tests/wpt/web-platform-tests/css/css-forced-color-adjust/inheritance.html
new file mode 100644
index 00000000000..ca396e72d7a
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-forced-color-adjust/inheritance.html
@@ -0,0 +1,13 @@
+<!DOCTYPE html>
+<title>Inheritance of CSS Forced Color Adjust properties</title>
+<link rel="help" href="https://www.w3.org/TR/css-color-adjust-1/#forced-color-adjust-prop">
+<meta name="assert" content="Properties inherit according to the spec.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/inheritance-testcommon.js"></script>
+<div id="container">
+  <div id="target"></div>
+</div>
+<script>
+  assert_inherited('forced-color-adjust', 'auto', 'none');
+</script>
diff --git a/tests/wpt/web-platform-tests/css/css-forced-color-adjust/parsing/forced-color-adjust-computed.html b/tests/wpt/web-platform-tests/css/css-forced-color-adjust/parsing/forced-color-adjust-computed.html
new file mode 100644
index 00000000000..cd9349c075c
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-forced-color-adjust/parsing/forced-color-adjust-computed.html
@@ -0,0 +1,18 @@
+<!DOCTYPE html>
+<title>CSS Forced Color Adjust: getComputedStyle for forced-color-adjust</title>
+<link rel="help" href="https://www.w3.org/TR/css-color-adjust-1/#forced-color-adjust-prop">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/computed-testcommon.js"></script>
+<div id="target"></div>
+<script>
+  test_computed_value("forced-color-adjust", "", "auto");
+  test_computed_value("forced-color-adjust", "auto");
+  test_computed_value("forced-color-adjust", "none");
+  // reserved and css-wide keywords.
+  test_computed_value("forced-color-adjust", "initial", "auto");
+  test_computed_value("forced-color-adjust", "inherit", "auto");
+  test_computed_value("forced-color-adjust", "unset", "auto");
+  test_computed_value("forced-color-adjust", "revert", "auto");
+  test_computed_value("forced-color-adjust", "default", "auto");
+</script>
diff --git a/tests/wpt/web-platform-tests/css/css-forced-color-adjust/parsing/forced-color-adjust-invalid.html b/tests/wpt/web-platform-tests/css/css-forced-color-adjust/parsing/forced-color-adjust-invalid.html
new file mode 100644
index 00000000000..f1b6f696a72
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-forced-color-adjust/parsing/forced-color-adjust-invalid.html
@@ -0,0 +1,13 @@
+<!DOCTYPE html>
+<title>CSS Forced Color Adjust: parsing forced-color-adjust with invalid values</title>
+<link rel="help" href="https://www.w3.org/TR/css-color-adjust-1/#forced-color-adjust-prop">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+<script>
+  test_invalid_value("forced-color-adjust", "auto auto");
+  test_invalid_value("forced-color-adjust", "auto none");
+  test_invalid_value("forced-color-adjust", "none none");
+  test_invalid_value("forced-color-adjust", "none auto");
+  test_invalid_value("forced-color-adjust", "1");
+</script>
diff --git a/tests/wpt/web-platform-tests/css/css-forced-color-adjust/parsing/forced-color-adjust-valid.html b/tests/wpt/web-platform-tests/css/css-forced-color-adjust/parsing/forced-color-adjust-valid.html
new file mode 100644
index 00000000000..cfa36da229a
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-forced-color-adjust/parsing/forced-color-adjust-valid.html
@@ -0,0 +1,10 @@
+<!DOCTYPE html>
+<title>CSS Forced Color Adjust: parsing forced-color-adjust with valid values</title>
+<link rel="help" href="https://www.w3.org/TR/css-color-adjust-1/#forced-color-adjust-prop">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+<script>
+  test_valid_value("forced-color-adjust", "none");
+  test_valid_value("forced-color-adjust", "auto");
+</script>
diff --git a/tests/wpt/web-platform-tests/css/css-logical/parsing/margin-block-inline-invalid.html b/tests/wpt/web-platform-tests/css/css-logical/parsing/margin-block-inline-invalid.html
new file mode 100644
index 00000000000..a1e0cbf3885
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-logical/parsing/margin-block-inline-invalid.html
@@ -0,0 +1,25 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Logical Properties and Values: parsing margin-block and margin-inline with invalid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-logical/#propdef-margin-block">
+<meta name="assert" content="margin-block, margin-inline support only the grammar '<'margin-top'>{1,2}'.">
+<meta name="assert" content="margin-block, margin-inline longhands support only the grammar '<'margin-top'>'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_invalid_value("margin-block-start", "none");
+test_invalid_value("margin-block-end", "10");
+test_invalid_value("margin-inline-start", "20% calc(10px - 0.5em)");
+test_invalid_value("margin-inline-end", "10px, auto");
+
+test_invalid_value("margin-block", "none");
+test_invalid_value("margin-block", "20%, calc(10px - 0.5em)");
+test_invalid_value("margin-inline", "10px auto 20px");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-logical/parsing/margin-block-inline-valid.html b/tests/wpt/web-platform-tests/css/css-logical/parsing/margin-block-inline-valid.html
new file mode 100644
index 00000000000..4a278f90348
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-logical/parsing/margin-block-inline-valid.html
@@ -0,0 +1,32 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Logical Properties and Values: parsing margin-block and margin-inline with valid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-logical/#propdef-margin-block">
+<meta name="assert" content="margin-block, margin-inline support the full grammar '<'margin-top'>{1,2}'.">
+<meta name="assert" content="margin-block, margin-inline longhands support the full grammar '<'margin-top'>'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_valid_value("margin-block-start", "calc(20% + 10px)");
+test_valid_value("margin-block-start", "auto");
+test_valid_value("margin-block-end", "-10px");
+test_valid_value("margin-inline-start", "-20%");
+test_valid_value("margin-inline-end", "calc(2em + 3ex)");
+
+test_valid_value("margin-block", "auto");
+test_valid_value("margin-block", "-10px");
+test_valid_value("margin-block", "calc(2em + 3ex) -20%");
+test_valid_value("margin-block", "auto auto", "auto");
+test_valid_value("margin-block", "-20% calc(20% + 10px)");
+test_valid_value("margin-inline", "20%");
+test_valid_value("margin-inline", "calc(2em + 3ex)");
+test_valid_value("margin-inline", "-10px auto");
+test_valid_value("margin-inline", "auto calc(2em + 3ex)");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-logical/parsing/max-block-size-computed.html b/tests/wpt/web-platform-tests/css/css-logical/parsing/max-block-size-computed.html
new file mode 100644
index 00000000000..d7d7f2f8740
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-logical/parsing/max-block-size-computed.html
@@ -0,0 +1,32 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Logical Properties and Values: getComputedValue().maxBlockSize</title>
+<link rel="help" href="https://drafts.csswg.org/css-logical/#propdef-max-block-size">
+<meta name="assert" content="Computed max-block-size is the specified keyword, or the length-percentage made absolute.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/computed-testcommon.js"></script>
+<style>
+  #target {
+    font-size: 40px;
+  }
+</style>
+</head>
+<body>
+<div id="target"></div>
+<script>
+test_computed_value("max-block-size", "none");
+
+test_computed_value("max-block-size", "10px");
+test_computed_value("max-block-size", "20%");
+test_computed_value("max-block-size", "calc(10px + 0.5em)", "30px");
+test_computed_value("max-block-size", "calc(10px - 0.5em)", "0px");
+test_computed_value("max-block-size", "calc(20% + 10px)");
+
+test_computed_value("max-block-size", "min-content");
+test_computed_value("max-block-size", "max-content");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-logical/parsing/max-inline-size-computed.html b/tests/wpt/web-platform-tests/css/css-logical/parsing/max-inline-size-computed.html
new file mode 100644
index 00000000000..c5d1fe6e8df
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-logical/parsing/max-inline-size-computed.html
@@ -0,0 +1,32 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Logical Properties and Values: getComputedValue().maxInlineSize</title>
+<link rel="help" href="https://drafts.csswg.org/css-logical/#propdef-max-inline-size">
+<meta name="assert" content="Computed max-inline-size is the specified keyword, or the length-percentage made absolute.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/computed-testcommon.js"></script>
+<style>
+  #target {
+    font-size: 40px;
+  }
+</style>
+</head>
+<body>
+<div id="target"></div>
+<script>
+test_computed_value("max-inline-size", "none");
+
+test_computed_value("max-inline-size", "10px");
+test_computed_value("max-inline-size", "20%");
+test_computed_value("max-inline-size", "calc(10px + 0.5em)", "30px");
+test_computed_value("max-inline-size", "calc(10px - 0.5em)", "0px");
+test_computed_value("max-inline-size", "calc(20% + 10px)");
+
+test_computed_value("max-inline-size", "min-content");
+test_computed_value("max-inline-size", "max-content");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-logical/parsing/min-block-size-computed.html b/tests/wpt/web-platform-tests/css/css-logical/parsing/min-block-size-computed.html
new file mode 100644
index 00000000000..d08a0f6fc4b
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-logical/parsing/min-block-size-computed.html
@@ -0,0 +1,47 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Logical Properties and Values: getComputedValue().minBlockSize</title>
+<link rel="help" href="https://drafts.csswg.org/css-logical/#propdef-min-block-size">
+<link rel="help" href="https://drafts.csswg.org/css-flexbox-1/#min-size-auto">
+<meta name="assert" content="Computed min-block-size is the specified keyword, or the length-percentage made absolute.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/computed-testcommon.js"></script>
+<style>
+  #target {
+    font-size: 40px;
+  }
+  #container {
+    display: flex;
+  }
+  #box {
+    min-block-size: auto;
+  }
+</style>
+</head>
+<body>
+<div id="target"></div>
+<div id="container">
+  <div id="box"></div>
+</div>
+<script>
+test_computed_value("min-block-size", "auto", "0px");
+
+test_computed_value("min-block-size", "10px");
+test_computed_value("min-block-size", "20%");
+test_computed_value("min-block-size", "calc(10px + 0.5em)", "30px");
+test_computed_value("min-block-size", "calc(10px - 0.5em)", "0px");
+test_computed_value("min-block-size", "calc(20% + 10px)");
+
+test_computed_value("min-block-size", "min-content");
+test_computed_value("min-block-size", "max-content");
+
+test(() => {
+  const picture = document.getElementById('box');
+  assert_equals(getComputedStyle(picture).minBlockSize, 'auto');
+}, 'min-block-size auto computes to auto with flex layout.');
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-logical/parsing/min-inline-size-computed.html b/tests/wpt/web-platform-tests/css/css-logical/parsing/min-inline-size-computed.html
new file mode 100644
index 00000000000..ac17044f4b8
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-logical/parsing/min-inline-size-computed.html
@@ -0,0 +1,47 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Logical Properties and Values: getComputedValue().minInlineSize</title>
+<link rel="help" href="https://drafts.csswg.org/css-logical/#propdef-min-inline-size">
+<link rel="help" href="https://drafts.csswg.org/css-flexbox-1/#min-size-auto">
+<meta name="assert" content="Computed min-inline-size is the specified keyword, or the length-percentage made absolute.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/computed-testcommon.js"></script>
+<style>
+  #target {
+    font-size: 40px;
+  }
+  #container {
+    display: flex;
+  }
+  #box {
+    min-inline-size: auto;
+  }
+</style>
+</head>
+<body>
+<div id="target"></div>
+<div id="container">
+  <div id="box"></div>
+</div>
+<script>
+test_computed_value("min-inline-size", "auto", "0px");
+
+test_computed_value("min-inline-size", "10px");
+test_computed_value("min-inline-size", "20%");
+test_computed_value("min-inline-size", "calc(10px + 0.5em)", "30px");
+test_computed_value("min-inline-size", "calc(10px - 0.5em)", "0px");
+test_computed_value("min-inline-size", "calc(20% + 10px)");
+
+test_computed_value("min-inline-size", "min-content");
+test_computed_value("min-inline-size", "max-content");
+
+test(() => {
+  const picture = document.getElementById('box');
+  assert_equals(getComputedStyle(picture).minInlineSize, 'auto');
+}, 'min-inline-size auto computes to auto with flex layout.');
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-logical/parsing/padding-block-inline-invalid.html b/tests/wpt/web-platform-tests/css/css-logical/parsing/padding-block-inline-invalid.html
new file mode 100644
index 00000000000..56c2adb0782
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-logical/parsing/padding-block-inline-invalid.html
@@ -0,0 +1,35 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Logical Properties and Values: parsing padding-block and padding-inline with invalid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-logical/#propdef-padding-block">
+<meta name="assert" content="padding-block, padding-inline support only the grammar '<'padding-top'>{1,2}'.">
+<meta name="assert" content="padding-block, padding-inline longhands support only the grammar '<'padding-top'>'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_invalid_value("padding-block-start", "none");
+test_invalid_value("padding-block-start", "-10px");
+test_invalid_value("padding-block-end", "1px 2px");
+test_invalid_value("padding-block-end", "auto");
+test_invalid_value("padding-block-end", "10");
+test_invalid_value("padding-block-end", "1px, 2px");
+test_invalid_value("padding-inline-start", "20% calc(10px - 0.5em)");
+test_invalid_value("padding-inline-start", "2px auto");
+test_invalid_value("padding-inline-end", "-20%");
+test_invalid_value("padding-inline-end", "10px, auto");
+
+test_invalid_value("padding-block", "none");
+test_invalid_value("padding-block", "20% -10px");
+test_invalid_value("padding-block", "auto, -10px");
+test_invalid_value("padding-block", "20%, calc(10px - 0.5em)");
+test_invalid_value("padding-inline", "10px auto 20px");
+test_invalid_value("padding-inline", "1px 2px 3px");
+test_invalid_value("padding-inline", "-20% calc(20% + 10px)");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-logical/parsing/padding-block-inline-valid.html b/tests/wpt/web-platform-tests/css/css-logical/parsing/padding-block-inline-valid.html
new file mode 100644
index 00000000000..1f3be177841
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-logical/parsing/padding-block-inline-valid.html
@@ -0,0 +1,27 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Logical Properties and Values: parsing padding-block and padding-inline with valid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-logical/#propdef-padding-block">
+<meta name="assert" content="padding-block, padding-inline support the full grammar '<'padding-top'>{1,2}'.">
+<meta name="assert" content="padding-block, padding-inline longhands support the full grammar '<'padding-top'>'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_valid_value("padding-block-start", "0", "0px");
+test_valid_value("padding-block-start", "calc(20% + 10px)");
+test_valid_value("padding-block-end", "10px");
+test_valid_value("padding-inline-start", "20%");
+test_valid_value("padding-inline-end", "calc(2em + 2ex)");
+
+test_valid_value("padding-block", "10px");
+test_valid_value("padding-block", "10px 20%");
+test_valid_value("padding-inline", "20%");
+test_valid_value("padding-inline", "20% calc(20% + 10px)");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-rule-computed.html b/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-rule-computed.html
new file mode 100644
index 00000000000..a0907cdfeed
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-rule-computed.html
@@ -0,0 +1,37 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Multi-column Layout: getComputedValue().columnRule</title>
+<link rel="help" href="https://drafts.csswg.org/css-multicol/#propdef-column-rule">
+<meta name="assert" content="column-rule computed value is as specified.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/computed-testcommon.js"></script>
+<style>
+  #reference {
+    column-rule-style: dotted; /* Avoid column-rule-width computed style 0px */
+    column-rule-width: medium;
+  }
+  #target {
+    color: lime;
+  }
+</style>
+</head>
+<body>
+<div id="reference"></div>
+<div id="target"></div>
+<script>
+const currentColor = 'rgb(0, 255, 0)';
+const mediumWidth = getComputedStyle(document.getElementById('reference')).columnRuleWidth; // e.g. 3px
+
+test_computed_value("column-rule", "10px", "0px none " + currentColor);
+test_computed_value("column-rule", "dotted", mediumWidth + " dotted " + currentColor);
+test_computed_value("column-rule", "0px none rgb(255, 0, 255)");
+test_computed_value("column-rule", "10px dotted rgb(255, 0, 255)");
+
+test_computed_value("column-rule", "medium hidden currentcolor", "0px hidden " + currentColor);
+test_computed_value("column-rule", "medium solid currentcolor", mediumWidth + " solid " + currentColor);
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-text-decor/parsing/text-decoration-color-computed.html b/tests/wpt/web-platform-tests/css/css-text-decor/parsing/text-decoration-color-computed.html
new file mode 100644
index 00000000000..deb1563a0e9
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-text-decor/parsing/text-decoration-color-computed.html
@@ -0,0 +1,31 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Text Decoration Test: getComputedValue().textDecorationColor</title>
+<link rel="help" href="https://drafts.csswg.org/css-text-decor-3/#text-decoration-color-property">
+<meta name="assert" content="Computed text-decoration-color is the computed color.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/computed-testcommon.js"></script>
+<style>
+  #container {
+    color: rgb(255, 0, 0);
+    text-decoration-color: currentcolor;
+  }
+  #target {
+    color: rgb(0, 255, 0);
+  }
+</style>
+</head>
+<body>
+<div id="container">
+  <div id="target"></div>
+</div>
+<script>
+test_computed_value("text-decoration-color", "rgb(0, 0, 255)");
+test_computed_value("text-decoration-color", "currentcolor", "rgb(0, 255, 0)");
+test_computed_value("text-decoration-color", "inherit", "rgb(0, 255, 0)"); // currentcolor
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-text-decor/parsing/text-decoration-color-invalid.html b/tests/wpt/web-platform-tests/css/css-text-decor/parsing/text-decoration-color-invalid.html
new file mode 100644
index 00000000000..24364d89ba3
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-text-decor/parsing/text-decoration-color-invalid.html
@@ -0,0 +1,15 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>CSS Text Decoration Test: Parsing text-decoration-color with invalid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-text-decor-3/#text-decoration-color-property">
+<meta name="assert" content="text-decoration-color supports only the grammar '<color>'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+<script>
+test_invalid_value("text-decoration-color", "auto");
+test_invalid_value("text-decoration-color", "invert");
+test_invalid_value("text-decoration-color", "50%");
+test_invalid_value("text-decoration-color", "red green");
+</script>
+
diff --git a/tests/wpt/web-platform-tests/css/css-text-decor/parsing/text-decoration-color-valid.html b/tests/wpt/web-platform-tests/css/css-text-decor/parsing/text-decoration-color-valid.html
new file mode 100644
index 00000000000..f1998f045a4
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-text-decor/parsing/text-decoration-color-valid.html
@@ -0,0 +1,14 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>CSS Text Decoration Test: Parsing text-decoration-color with valid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-text-decor-3/#text-decoration-color-property">
+<meta name="assert" content="text-decoration-color supports the full grammar '<color>'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+<script>
+test_valid_value("text-decoration-color", "currentcolor");
+test_valid_value("text-decoration-color", "red");
+test_valid_value("text-decoration-color", "rgba(10, 20, 30, 0.4)");
+</script>
+
diff --git a/tests/wpt/web-platform-tests/css/css-text-decor/parsing/text-decoration-computed.html b/tests/wpt/web-platform-tests/css/css-text-decor/parsing/text-decoration-computed.html
new file mode 100644
index 00000000000..109d475d470
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-text-decor/parsing/text-decoration-computed.html
@@ -0,0 +1,32 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Text Decoration Test: getComputedValue().textDecoration</title>
+<link rel="help" href="https://drafts.csswg.org/css-text-decor-4/#text-decoration-line-property">
+<meta name="assert" content="text-decoration computed value is as specified.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/computed-testcommon.js"></script>
+<style>
+  #target {
+    color: blue;
+  }
+</style>
+</head>
+<body>
+<div id="target"></div>
+<script>
+'use strict';
+const currentColor = "rgb(0, 0, 255)";
+test_computed_value("text-decoration", "none", "none solid " + currentColor);
+test_computed_value("text-decoration", "line-through", "line-through solid " + currentColor);
+test_computed_value("text-decoration", "solid", "none solid " + currentColor);
+test_computed_value("text-decoration", "currentcolor", "none solid " + currentColor);
+
+test_computed_value("text-decoration", "double overline underline", "underline overline double " + currentColor);
+test_computed_value("text-decoration", "underline overline line-through red", "underline overline line-through solid rgb(255, 0, 0)");
+test_computed_value("text-decoration", "rgba(10, 20, 30, 0.4) dotted", "none dotted rgba(10, 20, 30, 0.4)");
+
+test_computed_value("text-decoration", "underline dashed rgb(0, 255, 0)");
+</script>
diff --git a/tests/wpt/web-platform-tests/css/css-text-decor/parsing/text-decoration-invalid.html b/tests/wpt/web-platform-tests/css/css-text-decor/parsing/text-decoration-invalid.html
new file mode 100644
index 00000000000..90095c0114f
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-text-decor/parsing/text-decoration-invalid.html
@@ -0,0 +1,16 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>CSS Text Decoration Test: Parsing text-decoration with invalid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-text-decor-3/#propdef-text-decoration">
+<meta name="assert" content="text-decoration supports only the grammar '<‘text-decoration-line’> || <‘text-decoration-style’> || <‘text-decoration-color’>'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+<script>
+test_invalid_value("text-decoration", "auto");
+test_invalid_value("text-decoration", "1px");
+
+test_invalid_value("text-decoration", "double overline underline dotted");
+test_invalid_value("text-decoration", "red line-through green");
+test_invalid_value("text-decoration", "overline blue underline");
+</script>
diff --git a/tests/wpt/web-platform-tests/css/css-text-decor/parsing/text-decoration-line-computed.html b/tests/wpt/web-platform-tests/css/css-text-decor/parsing/text-decoration-line-computed.html
new file mode 100644
index 00000000000..d27a6dde79b
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-text-decor/parsing/text-decoration-line-computed.html
@@ -0,0 +1,41 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Text Decoration Test: getComputedValue().textDecorationLine</title>
+<link rel="help" href="https://drafts.csswg.org/css-text-decor-4/#text-decoration-line-property">
+<meta name="assert" content="text-decoration-line computed value is specified keyword(s).">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/computed-testcommon.js"></script>
+</head>
+<body>
+<div id="target"></div>
+<script>
+// none
+test_computed_value("text-decoration-line", "none");
+
+// underline || overline || line-through || blink
+test_computed_value("text-decoration-line", "underline");
+test_computed_value("text-decoration-line", "overline");
+test_computed_value("text-decoration-line", "line-through");
+test_computed_value("text-decoration-line", "blink");
+test_computed_value("text-decoration-line", "underline overline");
+test_computed_value("text-decoration-line", "underline line-through");
+test_computed_value("text-decoration-line", "underline blink");
+test_computed_value("text-decoration-line", "overline line-through");
+test_computed_value("text-decoration-line", "overline blink");
+test_computed_value("text-decoration-line", "line-through blink");
+test_computed_value("text-decoration-line", "underline overline line-through");
+test_computed_value("text-decoration-line", "underline overline blink");
+test_computed_value("text-decoration-line", "underline line-through blink");
+test_computed_value("text-decoration-line", "overline line-through blink");
+test_computed_value("text-decoration-line", "underline overline line-through blink");
+
+// spelling-error
+test_computed_value("text-decoration-line", "spelling-error");
+
+// grammar-error
+test_computed_value("text-decoration-line", "grammar-error");
+
+</script>
diff --git a/tests/wpt/web-platform-tests/css/css-text-decor/parsing/text-decoration-valid.html b/tests/wpt/web-platform-tests/css/css-text-decor/parsing/text-decoration-valid.html
new file mode 100644
index 00000000000..1c1aef3ff00
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-text-decor/parsing/text-decoration-valid.html
@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>CSS Text Decoration Test: Parsing text-decoration with valid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-text-decor-3/#propdef-text-decoration">
+<meta name="assert" content="text-decoration supports the full grammar '<‘text-decoration-line’> || <‘text-decoration-style’> || <‘text-decoration-color’>'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+<script>
+test_valid_value("text-decoration", "none");
+test_valid_value("text-decoration", "line-through");
+test_valid_value("text-decoration", "solid");
+test_valid_value("text-decoration", "currentcolor");
+
+test_valid_value("text-decoration", "double overline underline", "underline overline double");
+test_valid_value("text-decoration", "underline overline line-through red");
+test_valid_value("text-decoration", "rgba(10, 20, 30, 0.4) dotted", "dotted rgba(10, 20, 30, 0.4)");
+
+test_valid_value("text-decoration", "underline dashed green");
+</script>
diff --git a/tests/wpt/web-platform-tests/css/css-typed-om/the-stylepropertymap/properties/logical.html b/tests/wpt/web-platform-tests/css/css-typed-om/the-stylepropertymap/properties/logical.html
new file mode 100644
index 00000000000..e8085b02787
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-typed-om/the-stylepropertymap/properties/logical.html
@@ -0,0 +1,27 @@
+<!doctype html>
+<meta charset="utf-8">
+<title>margin properties</title>
+<link rel="help" href="https://drafts.css-houdini.org/css-typed-om-1/#dom-stylepropertymap-get">
+<link rel="help" href="https://drafts.css-houdini.org/css-typed-om-1/#dom-stylepropertymap-set">
+<link rel="help" href="https://drafts.css-houdini.org/css-typed-om-1/#property-stle-value-normalization">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="../../resources/testhelper.js"></script>
+<script src="resources/testsuite.js"></script>
+<body>
+<div id="log"></div>
+<script>
+'use strict';
+
+for (const prefix of ['margin-', 'inset-', 'padding-']) {
+  for (const suffix of ['block-start', 'block-end', 'inline-start', 'inline-end']) {
+    runPropertyTests(prefix + suffix, [
+      // TODO: Test 'auto'
+      { syntax: '<percentage>' },
+      { syntax: '<length>' },
+    ]);
+  }
+}
+
+// TODO: test shorthands and other logical properties.
+</script>
diff --git a/tests/wpt/web-platform-tests/css/selectors/remove-hovered-element-ref.html b/tests/wpt/web-platform-tests/css/selectors/remove-hovered-element-ref.html
new file mode 100644
index 00000000000..9527a465ea6
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/selectors/remove-hovered-element-ref.html
@@ -0,0 +1,4 @@
+<!doctype html>
+<title>CSS Reftest Reference</title>
+<p>Clicking the right square should make the left one go green.</p>
+<div style="width: 100px; height: 100px; background: green;"></div>
diff --git a/tests/wpt/web-platform-tests/css/selectors/remove-hovered-element.html b/tests/wpt/web-platform-tests/css/selectors/remove-hovered-element.html
new file mode 100644
index 00000000000..ec2eed1d47d
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/selectors/remove-hovered-element.html
@@ -0,0 +1,40 @@
+<!doctype html>
+<html class="reftest-wait">
+<title>Selectors: :hover style cleared on ancestor when hovered element is removed.</title>
+<link rel="help" href="https://drafts.csswg.org/selectors/#the-hover-pseudo">
+<link rel="match" href="remove-hovered-element-ref.html">
+<script src="/common/reftest-wait.js"></script>
+<script src="/resources/testdriver.js"></script>
+<script src="/resources/testdriver-actions.js"></script>
+<script src="/resources/testdriver-vendor.js"></script>
+<style>
+  div {
+    width: 100px;
+    height: 100px;
+    background: green;
+  }
+  #outer:hover {
+    background-color: red;
+  }
+  #relative {
+    position: relative;
+    left: 150px;
+  }
+</style>
+<p>Clicking the right square should make the left one go green.</p>
+<div id="outer">
+  <div id="relative"><div id="inner">Click me</div></div>
+</div>
+<script>
+  inner.addEventListener("click", () => {
+    relative.style.display = "none";
+    // force layout box removal
+    document.body.offsetTop;
+    relative.remove();
+    takeScreenshot();
+  });
+
+  // Hover #inner and click.
+  var actions = new test_driver.Actions();
+  actions.pointerMove(0, 0, {origin: inner}).pointerDown().pointerUp().send();
+</script>
diff --git a/tests/wpt/web-platform-tests/custom-elements/upgrading.html b/tests/wpt/web-platform-tests/custom-elements/upgrading.html
index aaea0cb4a02..d6b8ed38754 100644
--- a/tests/wpt/web-platform-tests/custom-elements/upgrading.html
+++ b/tests/wpt/web-platform-tests/custom-elements/upgrading.html
@@ -14,6 +14,7 @@
 <body>
 <div id="log"></div>
 <script>
+setup({allow_uncaught_exception:true});
 
 class PredefinedCustomElement extends HTMLElement {}
 customElements.define('predefined-custom-element', PredefinedCustomElement);
@@ -185,6 +186,23 @@ document_types().filter(function (entry) { return !entry.isOwner && entry.hasBro
 
 });
 
+test(() => {
+    class ShadowDisabledElement extends HTMLElement {
+      static get disabledFeatures() { return ['shadow']; }
+    }
+    let error = null;
+    window.addEventListener('error', e => { error = e.error; }, {once: true});
+    let element = document.createElement('shadow-disabled');
+    element.attachShadow({mode: 'open'});
+    customElements.define('shadow-disabled', ShadowDisabledElement);
+    customElements.upgrade(element);
+    assert_false(element instanceof ShadowDisabledElement,
+                 'Upgrading should fail.');
+    assert_true(error instanceof DOMException);
+    assert_equals(error.name, 'NotSupportedError');
+}, 'If definition\'s disable shadow is true and element\'s shadow root is ' +
+    'non-null, then throw a "NotSupportedError" DOMException.');
+
 </script>
 </body>
 </html>
diff --git a/tests/wpt/web-platform-tests/editing/other/exec-command-without-editable-element.tentative.html b/tests/wpt/web-platform-tests/editing/other/exec-command-without-editable-element.tentative.html
new file mode 100644
index 00000000000..703db9d3c98
--- /dev/null
+++ b/tests/wpt/web-platform-tests/editing/other/exec-command-without-editable-element.tentative.html
@@ -0,0 +1,494 @@
+<!doctype html>
+<meta charset=utf-8>
+<title>Test that execCommand without editable element</title>
+<script src=../include/implementation.js></script>
+<script>var testsJsLibraryOnly = true</script>
+<script src=../include/tests.js></script>
+<script src=/resources/testharness.js></script>
+<script src=/resources/testharnessreport.js></script>
+<div contenteditable id="editor">abc</div>
+<iframe srcdoc="<div contenteditable id='editor'>def</div><span>ghi</span>"></iframe>
+<script>
+"use strict";
+
+setup({explicit_done: true});
+
+// This test calls execCommand() without editable element in the document,
+// but its parent or child document has editable element and it has focus.
+// In most cases, execCommand() should do nothing and return false.  However,
+// "cut", "copy", "paste" and "selectall" commands should work without DOM tree
+// modification for making web apps can implement their own editor without
+// editable element.
+function runTests() {
+  let parentWindow = window;
+  let parentDocument = document;
+  let parentSelection = parentDocument.getSelection();
+  let parentEditor = parentDocument.getElementById("editor");
+  parentEditor.focus();
+  let iframe = document.getElementsByTagName("iframe")[0];
+  let childWindow = iframe.contentWindow;
+  let childDocument = iframe.contentDocument;
+  let childSelection = childDocument.getSelection();
+  let childEditor = childDocument.getElementById("editor");
+  childEditor.focus();
+
+  // execCommand() in child document shouldn't affect to focused parent
+  // document.
+  doTest(parentWindow, parentDocument, parentSelection, parentEditor,
+         childWindow, childDocument, childSelection, childEditor, false);
+  // execCommand() in parent document shouldn't affect to focused child
+  // document but "cut" and "copy" may affect the focused child document.
+  doTest(childWindow, childDocument, childSelection, childEditor,
+         parentWindow, parentDocument, parentSelection, parentEditor, true);
+
+  done();
+}
+
+function doTest(aFocusWindow, aFocusDocument, aFocusSelection, aFocusEditor,
+                aExecWindow, aExecDocument, aExecSelection, aExecEditor,
+                aExecInParent) {
+  const kTests = [
+    /**
+     * command: The command which you test.
+     * focusContent: Will be set to innerHTML of div#editor element in focused
+     *               document.
+     * execContent: Will be set to innerHTML of div#editor element in the
+     *              document whose execCommand() will be called.
+     * initFunc: [optional] If you need to do something before running the
+     *           test, you can do it with a function.
+     * expectedFocusContent: Expected content and selection in div#editor in
+     *                       focused document after calling execCommand().
+     * expectedExecContent: Expected content and selection in div#editor in
+     *                      the document whose execCommand() is called.
+     * event: The event which you need to check whether it's fired or not.
+     * expectedFiredInFocus: true if the event should be fired on the focused
+     *                       document node.
+     * expectedFiredInExec: true if the event should be fired on the document
+     *                      node whose execCommand() is called.
+     * expectedResult: Expected result of execCommand().
+     */
+    {command: "bold", value: "bold",
+     focusContent: "a[b]c", execContent: "a[b]c",
+     expectedFocusContent: "a[b]c", expectedExecContent: "a[b]c",
+     event: "input", expectedFiredInFocus: false, expectedFiredInExec: false,
+     expectedResult: false,
+    },
+    {command: "italic", value: null,
+     focusContent: "a[b]c", execContent: "a[b]c",
+     expectedFocusContent: "a[b]c", expectedExecContent: "a[b]c",
+     event: "input", expectedFiredInFocus: false, expectedFiredInExec: false,
+     expectedResult: false,
+    },
+    {command: "underline", value: null,
+     focusContent: "a[b]c", execContent: "a[b]c",
+     expectedFocusContent: "a[b]c", expectedExecContent: "a[b]c",
+     event: "input", expectedFiredInFocus: false, expectedFiredInExec: false,
+     expectedResult: false,
+    },
+    {command: "strikethrough", value: null,
+     focusContent: "a[b]c", execContent: "a[b]c",
+     expectedFocusContent: "a[b]c", expectedExecContent: "a[b]c",
+     event: "input", expectedFiredInFocus: false, expectedFiredInExec: false,
+     expectedResult: false,
+    },
+    {command: "subscript", value: null,
+     focusContent: "a[b]c", execContent: "a[b]c",
+     expectedFocusContent: "a[b]c", expectedExecContent: "a[b]c",
+     event: "input", expectedFiredInFocus: false, expectedFiredInExec: false,
+     expectedResult: false,
+    },
+    {command: "superscript", value: null,
+     focusContent: "a[b]c", execContent: "a[b]c",
+     expectedFocusContent: "a[b]c", expectedExecContent: "a[b]c",
+     event: "input", expectedFiredInFocus: false, expectedFiredInExec: false,
+     expectedResult: false,
+    },
+    // "cut", "copy" and "paste" command should cause firing corresponding
+    // events to make web apps be able to implement their own editor even
+    // if there is no editor and selection is collapsed.
+    {command: "cut", value: null,
+     focusContent: "a[b]c", execContent: "ab[]c",
+     expectedFocusContent: "a[b]c", expectedExecContent: "ab[]c",
+     event: "cut", expectedFiredInFocus: false, expectedFiredInExec: true,
+     expectedResult: false,
+    },
+    {command: "cut", value: null,
+     focusContent: "a[b]c", execContent: "a[b]c",
+     expectedFocusContent: "a[b]c", expectedExecContent: "a[b]c",
+     event: "cut", expectedFiredInFocus: false, expectedFiredInExec: true,
+     expectedResult: false,
+    },
+    {command: "copy", value: null,
+     focusContent: "a[b]c", execContent: "ab[]c",
+     expectedFocusContent: "a[b]c", expectedExecContent: "ab[]c",
+     event: "copy", expectedFiredInFocus: false, expectedFiredInExec: true,
+     expectedResult: false,
+    },
+    {command: "copy", value: null,
+     focusContent: "a[b]c", execContent: "a[b]c",
+     expectedFocusContent: "a[b]c", expectedExecContent: "a[b]c",
+     event: "copy", expectedFiredInFocus: false, expectedFiredInExec: true,
+     expectedResult: false,
+    },
+    {command: "paste", value: null,
+     focusContent: "a[b]c", execContent: "a[b]c",
+     expectedFocusContent: "a[b]c", expectedExecContent: "a[b]c",
+     initFunc: () => { aFocusDocument.execCommand("copy", false, "b"); },
+     event: "paste", expectedFiredInFocus: false, expectedFiredInExec: true,
+     expectedResult: false,
+    },
+    {command: "delete", value: null,
+     focusContent: "a[b]c", execContent: "a[b]c",
+     expectedFocusContent: "a[b]c", expectedExecContent: "a[b]c",
+     event: "input", expectedFiredInFocus: false, expectedFiredInExec: false,
+     expectedResult: false,
+    },
+    {command: "forwarddelete", value: null,
+     focusContent: "a[b]c", execContent: "a[b]c",
+     expectedFocusContent: "a[b]c", expectedExecContent: "a[b]c",
+     event: "input", expectedFiredInFocus: false, expectedFiredInExec: false,
+     expectedResult: false,
+    },
+    // "selectall" command should be available without editable content.
+    {command: "selectall", value: null,
+     focusContent: "a[b]c", execContent: "a[b]c",
+     expectedFocusContent: "a[b]c", expectedExecContent: "[abc",
+     event: "selectionchange", expectedFiredInFocus: false, expectedFiredInExec: true,
+     expectedResult: true,
+    },
+    {command: "undo", value: null,
+     focusContent: "a[]c", execContent: "a[b]c",
+     initFunc: () => { aFocusDocument.execCommand("insertText", false, "b"); },
+     expectedFocusContent: "ab[]c", expectedExecContent: "a[b]c",
+     event: "input", expectedFiredInFocus: false, expectedFiredInExec: false,
+     expectedResult: false,
+    },
+    {command: "redo", value: null,
+     focusContent: "a[]c", execContent: "a[b]c",
+     initFunc: () => {
+       aFocusDocument.execCommand("insertText", false, "b");
+       aFocusDocument.execCommand("undo", false, null);
+     },
+     expectedFocusContent: "a[]c", expectedExecContent: "a[b]c",
+     event: "input", expectedFiredInFocus: false, expectedFiredInExec: false,
+     expectedResult: false,
+    },
+    {command: "indent", value: null,
+     focusContent: "a[b]c", execContent: "a[b]c",
+     expectedFocusContent: "a[b]c", expectedExecContent: "a[b]c",
+     event: "input", expectedFiredInFocus: false, expectedFiredInExec: false,
+     expectedResult: false,
+    },
+    {command: "outdent", value: null,
+     focusContent: "a[b]c", execContent: "a[b]c",
+     expectedFocusContent: "a[b]c", expectedExecContent: "a[b]c",
+     event: "input", expectedFiredInFocus: false, expectedFiredInExec: false,
+     expectedResult: false,
+    },
+    {command: "backcolor", value: "#000000",
+     focusContent: "a[b]c", execContent: "a[b]c",
+     expectedFocusContent: "a[b]c", expectedExecContent: "a[b]c",
+     event: "input", expectedFiredInFocus: false, expectedFiredInExec: false,
+     expectedResult: false,
+    },
+    {command: "forecolor", value: "#F0F0F0",
+     focusContent: "a[b]c", execContent: "a[b]c",
+     expectedFocusContent: "a[b]c", expectedExecContent: "a[b]c",
+     event: "input", expectedFiredInFocus: false, expectedFiredInExec: false,
+     expectedResult: false,
+    },
+    {command: "hilitecolor", value: "#FFFF00",
+     focusContent: "a[b]c", execContent: "a[b]c",
+     expectedFocusContent: "a[b]c", expectedExecContent: "a[b]c",
+     event: "input", expectedFiredInFocus: false, expectedFiredInExec: false,
+     expectedResult: false,
+    },
+    {command: "fontname", value: "DummyFont",
+     focusContent: "a[b]c", execContent: "a[b]c",
+     expectedFocusContent: "a[b]c", expectedExecContent: "a[b]c",
+     event: "input", expectedFiredInFocus: false, expectedFiredInExec: false,
+     expectedResult: false,
+    },
+    {command: "fontsize", value: "5",
+     focusContent: "a[b]c", execContent: "a[b]c",
+     expectedFocusContent: "a[b]c", expectedExecContent: "a[b]c",
+     event: "input", expectedFiredInFocus: false, expectedFiredInExec: false,
+     expectedResult: false,
+    },
+    {command: "increasefontsize", value: null,
+     focusContent: "a[b]c", execContent: "a[b]c",
+     expectedFocusContent: "a[b]c", expectedExecContent: "a[b]c",
+     event: "input", expectedFiredInFocus: false, expectedFiredInExec: false,
+     expectedResult: false,
+    },
+    {command: "decreasefontsize", value: null,
+     focusContent: "a[b]c", execContent: "a[b]c",
+     expectedFocusContent: "a[b]c", expectedExecContent: "a[b]c",
+     event: "input", expectedFiredInFocus: false, expectedFiredInExec: false,
+     expectedResult: false,
+    },
+    {command: "inserthorizontalrule", value: null,
+     focusContent: "a[]bc", execContent: "a[]bc",
+     expectedFocusContent: "a[]bc", expectedExecContent: "a[]bc",
+     event: "input", expectedFiredInFocus: false, expectedFiredInExec: false,
+     expectedResult: false,
+    },
+    {command: "createlink", value: "foo.html",
+     focusContent: "a[b]c", execContent: "a[b]c",
+     expectedFocusContent: "a[b]c", expectedExecContent: "a[b]c",
+     event: "input", expectedFiredInFocus: false, expectedFiredInExec: false,
+     expectedResult: false,
+    },
+    {command: "insertimage", value: "no-image.png",
+     focusContent: "a[b]c", execContent: "a[b]c",
+     expectedFocusContent: "a[b]c", expectedExecContent: "a[b]c",
+     event: "input", expectedFiredInFocus: false, expectedFiredInExec: false,
+     expectedResult: false,
+    },
+    {command: "inserthtml", value: "<b>inserted</b>",
+     focusContent: "a[b]c", execContent: "a[b]c",
+     expectedFocusContent: "a[b]c", expectedExecContent: "a[b]c",
+     event: "input", expectedFiredInFocus: false, expectedFiredInExec: false,
+     expectedResult: false,
+    },
+    {command: "inserttext", value: "**inserted**",
+     focusContent: "a[b]c", execContent: "a[b]c",
+     expectedFocusContent: "a[b]c", expectedExecContent: "a[b]c",
+     event: "input", expectedFiredInFocus: false, expectedFiredInExec: false,
+     expectedResult: false,
+    },
+    {command: "justifyleft", value: null,
+     focusContent: "a[b]c", execContent: "a[b]c",
+     expectedFocusContent: "a[b]c", expectedExecContent: "a[b]c",
+     event: "input", expectedFiredInFocus: false, expectedFiredInExec: false,
+     expectedResult: false,
+    },
+    {command: "justifyright", value: null,
+     focusContent: "a[b]c", execContent: "a[b]c",
+     expectedFocusContent: "a[b]c", expectedExecContent: "a[b]c",
+     event: "input", expectedFiredInFocus: false, expectedFiredInExec: false,
+     expectedResult: false,
+    },
+    {command: "justifycenter", value: null,
+     focusContent: "a[b]c", execContent: "a[b]c",
+     expectedFocusContent: "a[b]c", expectedExecContent: "a[b]c",
+     event: "input", expectedFiredInFocus: false, expectedFiredInExec: false,
+     expectedResult: false,
+    },
+    {command: "justifyfull", value: null,
+     focusContent: "a[b]c", execContent: "a[b]c",
+     expectedFocusContent: "a[b]c", expectedExecContent: "a[b]c",
+     event: "input", expectedFiredInFocus: false, expectedFiredInExec: false,
+     expectedResult: false,
+    },
+    {command: "removeformat", value: null,
+     focusContent: "<b>a[b]c</b>", execContent: "<b>a[b]c</b>",
+     expectedFocusContent: "<b>a[b]c</b>", expectedExecContent: "<b>a[b]c</b>",
+     event: "input", expectedFiredInFocus: false, expectedFiredInExec: false,
+     expectedResult: false,
+    },
+    {command: "unlink", value: null,
+     focusContent: "<a href=\"foo.html\">a[b]c</a>", execContent: "<a href=\"foo.html\">a[b]c</a>",
+     expectedFocusContent: "<a href=\"foo.html\">a[b]c</a>", expectedExecContent: "<a href=\"foo.html\">a[b]c</a>",
+     event: "input", expectedFiredInFocus: false, expectedFiredInExec: false,
+     expectedResult: false,
+    },
+    {command: "insertorderedlist", value: null,
+     focusContent: "a[b]c", execContent: "a[b]c",
+     expectedFocusContent: "a[b]c", expectedExecContent: "a[b]c",
+     event: "input", expectedFiredInFocus: false, expectedFiredInExec: false,
+     expectedResult: false,
+    },
+    {command: "insertunorderedlist", value: null,
+     focusContent: "a[b]c", execContent: "a[b]c",
+     expectedFocusContent: "a[b]c", expectedExecContent: "a[b]c",
+     event: "input", expectedFiredInFocus: false, expectedFiredInExec: false,
+     expectedResult: false,
+    },
+    {command: "insertparagraph", value: null,
+     focusContent: "a[b]c", execContent: "a[b]c",
+     expectedFocusContent: "a[b]c", expectedExecContent: "a[b]c",
+     event: "input", expectedFiredInFocus: false, expectedFiredInExec: false,
+     expectedResult: false,
+    },
+    {command: "insertlinebreak", value: null,
+     focusContent: "a[b]c", execContent: "a[b]c",
+     expectedFocusContent: "a[b]c", expectedExecContent: "a[b]c",
+     event: "input", expectedFiredInFocus: false, expectedFiredInExec: false,
+     expectedResult: false,
+    },
+    {command: "formatblock", value: "div",
+     focusContent: "a[b]c", execContent: "a[b]c",
+     expectedFocusContent: "a[b]c", expectedExecContent: "a[b]c",
+     event: "input", expectedFiredInFocus: false, expectedFiredInExec: false,
+     expectedResult: false,
+    },
+    {command: "heading", value: "h1",
+     focusContent: "a[b]c", execContent: "a[b]c",
+     expectedFocusContent: "a[b]c", expectedExecContent: "a[b]c",
+     event: "input", expectedFiredInFocus: false, expectedFiredInExec: false,
+     expectedResult: false,
+    },
+    /**
+     * command: The command which you test.
+     * state: The state which is used with execCommand().
+     * initState: The state which should be set with execCommand() first.
+     * focusContent: Will be set to innerHTML of div#editor element in focused
+     *               document.
+     * execContent: Will be set to innerHTML of div#editor element in the
+     *              document whose execCommand() will be called.
+     * initFunc: [optional] If you need to do something before running the
+     *           test, you can do it with a function.
+     * expectedSetStateInFocus: Expected queryCommandState() result in focused
+     *                          document.
+     * expectedSetStateInExec: Expected queryCommandState() result in document
+     *                         whose execCommand() is called.
+     * expectedResult: Expected result of execCommand().
+     */
+    {command: "styleWithCSS", state: "true", initState: "false",
+     focusContent: "a[b]c", execContent: "a[b]c",
+     expectedSetStateInFocus: false, expectedSetStateInExec: false,
+     expectedResult: false,
+    },
+    {command: "contentReadOnly", state: "true", initState: "false",
+     focusContent: "a[b]c", execContent: "a[b]c",
+     expectedSetStateInFocus: false, expectedSetStateInExec: false,
+     expectedResult: false,
+    },
+    {command: "insertBrOnReturn", state: "true", initState: "false",
+     focusContent: "a[b]c", execContent: "a[b]c",
+     expectedSetStateInFocus: false, expectedSetStateInExec: false,
+     expectedResult: false,
+    },
+    {command: "defaultParagraphSeparator", state: "div", initState: "p",
+     focusContent: "a[b]c", execContent: "a[b]c",
+     expectedSetStateInFocus: false, expectedSetStateInExec: false,
+     expectedResult: false,
+    },
+    {command: "defaultParagraphSeparator", state: "p", initState: "div",
+     focusContent: "a[b]c", execContent: "a[b]c",
+     expectedSetStateInFocus: false, expectedSetStateInExec: false,
+     expectedResult: false,
+    },
+    {command: "enableObjectResizing", state: "true", initState: "false",
+     focusContent: "a[b]c", execContent: "a[b]c",
+     expectedSetStateInFocus: false, expectedSetStateInExec: false,
+     expectedResult: false,
+    },
+    {command: "enableInlineTableEditing", state: "true", initState: "false",
+     focusContent: "a[b]c", execContent: "a[b]c",
+     expectedSetStateInFocus: false, expectedSetStateInExec: false,
+     expectedResult: false,
+    },
+    {command: "enableAbsolutePositionEditing", state: "true", initState: "false",
+     focusContent: "a[b]c", execContent: "a[b]c",
+     expectedSetStateInFocus: false, expectedSetStateInExec: false,
+     expectedResult: false,
+    },
+  ];
+
+  for (const kTest of kTests) {
+    // Skip unsupported command since it's not purpose of this tests whether
+    // each command is supported on the browser.
+    if (!aExecDocument.queryCommandSupported(kTest.command)) {
+      continue;
+    }
+    aExecEditor.removeAttribute("contenteditable");  // Disable commands in the exec document.
+    let points = setupDiv(aFocusEditor, kTest.focusContent);
+    aFocusSelection.setBaseAndExtent(points[0], points[1], points[2], points[3]);
+    points = setupDiv(aExecEditor, kTest.execContent);
+    aExecSelection.setBaseAndExtent(points[0], points[1], points[2], points[3]);
+    aFocusWindow.focus();
+    aFocusEditor.focus();
+    if (kTest.initFunc) {
+      kTest.initFunc();
+    }
+    if (kTest.state === undefined) {
+      let eventFiredOnFocusDocument = false;
+      function handlerOnFocusDocument() {
+        eventFiredOnFocusDocument = true;
+      }
+      aFocusDocument.addEventListener(kTest.event, handlerOnFocusDocument, {capture: true});
+      let eventFiredOnExecDocument = false;
+      function handlerOnExecDocument() {
+        eventFiredOnExecDocument = true;
+      }
+      aExecDocument.addEventListener(kTest.event, handlerOnExecDocument, {capture: true});
+      const kDescription = `${aExecInParent ? "Parent" : "Child"}Document.execCommand(${kTest.command}, false, ${kTest.value}) with ${kTest.execContent}`;
+      test(function () {
+        let ret = aExecDocument.execCommand(kTest.command, false, kTest.value);
+        assert_equals(ret, kTest.expectedResult, `execCommand should return ${kTest.expectedResult}`);
+      }, `${kDescription}: calling execCommand`);
+      test(function () {
+        assert_equals(eventFiredOnFocusDocument, kTest.expectedFiredInFocus,
+                    `"${kTest.event}" event should${kTest.expectedFiredInFocus ? "" : " not"} be fired`);
+      }, `${kDescription}: checking event on focused document`);
+      test(function () {
+        assert_equals(eventFiredOnExecDocument, kTest.expectedFiredInExec,
+                    `"${kTest.event}" event should${kTest.expectedFiredInExec ? "" : " not"} be fired`);
+      }, `${kDescription}: checking event on executed document`);
+      test(function () {
+        if (aFocusSelection.rangeCount) {
+          addBrackets(aFocusSelection.getRangeAt(0));
+        }
+        assert_equals(aFocusEditor.innerHTML, kTest.expectedFocusContent);
+      }, `${kDescription}: checking result content in focused document`);
+      test(function () {
+        if (aExecSelection.rangeCount) {
+          addBrackets(aExecSelection.getRangeAt(0));
+        }
+        assert_equals(aExecEditor.innerHTML, kTest.expectedExecContent);
+      }, `${kDescription}: checking result content in executed document`);
+      aFocusDocument.removeEventListener(kTest.event, handlerOnFocusDocument, {capture: true});
+      aExecDocument.removeEventListener(kTest.event, handlerOnExecDocument, {capture: true});
+      aExecEditor.setAttribute("contenteditable", "");
+    } else {
+      const kDescription = `${aExecInParent ? "Parent" : "Child"}Document.execCommand(${kTest.command}, false, ${kTest.state})`;
+      test(function () {
+        let ret = aExecDocument.execCommand(kTest.command, false, kTest.initState);
+        assert_equals(ret, kTest.expectedResult, `execCommand should return ${kTest.expectedResult}`);
+      }, `${kDescription}: calling execCommand to initialize`);
+      let hasSetState = false;
+      test(function () {
+        hasSetState = aExecDocument.queryCommandState(kTest.command);
+        assert_equals(hasSetState, kTest.expectedSetStateInExec, `queryCommandState on executed document should return ${kTest.expectedSetState}`);
+      }, `${kDescription}: calling queryCommandState on executed document after initializing`);
+      test(function () {
+        let ret = aFocusDocument.queryCommandState(kTest.command);
+        assert_equals(ret, kTest.expectedSetStateInFocus, `queryCommandState on focus document should return ${kTest.expectedSetState}`);
+      }, `${kDescription}: calling queryCommandState on focus document after initializing`);
+      if (hasSetState) {
+        test(function () {
+          let ret = aExecDocument.queryCommandValue(kTest.command);
+          assert_equals(ret, kTest.initState, `queryCommandValue on executed document should return ${kTest.initState}`);
+        }, `${kDescription}: calling queryCommandValue on executed document after initializing`);
+      }
+      test(function () {
+        let ret = aExecDocument.execCommand(kTest.command, false, kTest.state);
+        assert_equals(ret, kTest.expectedResult, `execCommand should return ${kTest.expectedResult}`);
+      }, `${kDescription}: calling execCommand to set state`);
+      test(function () {
+        hasSetState = aExecDocument.queryCommandState(kTest.command);
+        assert_equals(hasSetState, kTest.expectedSetStateInExec, `queryCommandState should return ${kTest.expectedSetState}`);
+      }, `${kDescription}: calling queryCommandState on executed document`);
+      test(function () {
+        let ret = aFocusDocument.queryCommandState(kTest.command);
+        assert_equals(ret, kTest.expectedSetStateInFocus, `queryCommandState should return ${kTest.expectedSetState}`);
+      }, `${kDescription}: calling queryCommandState on focused document`);
+      if (hasSetState) {
+        test(function () {
+          let ret = aExecDocument.queryCommandValue(kTest.command);
+          assert_equals(ret, kTest.state, `queryCommandValue should return ${kTest.initState}`);
+        }, `${kDescription}: calling queryCommandValue on executed document`);
+      }
+      aExecEditor.setAttribute("contenteditable", "");
+      test(function () {
+        let ret = aExecDocument.queryCommandState(kTest.command);
+        assert_equals(ret, kTest.expectedSetStateInExec, `queryCommandState should return ${kTest.expectedSetState}`);
+      }, `${kDescription}: calling queryCommandState on executed document after making executed document editable`);
+    }
+  }
+}
+
+window.addEventListener("load", runTests, {once: true});
+</script>
diff --git a/tests/wpt/web-platform-tests/performance-timeline/supportedEntryTypes.any.js b/tests/wpt/web-platform-tests/performance-timeline/supportedEntryTypes.any.js
index a0225ad2f76..25f195939e7 100644
--- a/tests/wpt/web-platform-tests/performance-timeline/supportedEntryTypes.any.js
+++ b/tests/wpt/web-platform-tests/performance-timeline/supportedEntryTypes.any.js
@@ -10,3 +10,10 @@ test(() => {
       "' are repeated or they are not in alphabetical order.")
   }
 }, "supportedEntryTypes exists and returns entries in alphabetical order");
+
+test(() => {
+  if (typeof PerformanceObserver.supportedEntryTypes === "undefined")
+    assert_unreached("supportedEntryTypes is not supported.");
+  assert_true(PerformanceObserver.supportedEntryTypes ===
+      PerformanceObserver.supportedEntryTypes);
+}, "supportedEntryTypes caches result");
diff --git a/tests/wpt/web-platform-tests/service-workers/service-worker/postmessage.https.html b/tests/wpt/web-platform-tests/service-workers/service-worker/postmessage.https.html
index b1f3342a8c1..7abb3022f91 100644
--- a/tests/wpt/web-platform-tests/service-workers/service-worker/postmessage.https.html
+++ b/tests/wpt/web-platform-tests/service-workers/service-worker/postmessage.https.html
@@ -39,15 +39,6 @@ promise_test(t => {
       .then(e => {
           assert_equals(e.data, 'quit');
           return registration.unregister(scope);
-        })
-      .then(() => { return wait_for_state(t, worker, 'redundant'); })
-      .then(() => {
-          assert_equals(worker.state, 'redundant');
-          assert_throws(
-            {name:'InvalidStateError'},
-            function() { worker.postMessage(''); },
-            'Calling postMessage on a redundant ServiceWorker should ' +
-                'throw InvalidStateError.');
         });
   }, 'postMessage to a ServiceWorker (and back via MessagePort)');
 
@@ -178,4 +169,34 @@ promise_test(t => {
         });
   }, 'postMessage with dictionary a transferable ArrayBuffer between ServiceWorker and Client');
 
+  promise_test(async t => {
+    const firstScript = 'resources/postmessage-echo-worker.js?one';
+    const secondScript = 'resources/postmessage-echo-worker.js?two';
+    const scope = 'resources/';
+
+    const registration = await service_worker_unregister_and_register(t, firstScript, scope);
+    t.add_cleanup(() => registration.unregister());
+    const firstWorker = registration.installing;
+
+    const messagePromise = new Promise(resolve => {
+      navigator.serviceWorker.addEventListener('message', (event) => {
+        resolve(event.data);
+      }, {once: true});
+    });
+
+    await wait_for_state(t, firstWorker, 'activated');
+    await navigator.serviceWorker.register(secondScript, {scope});
+    const secondWorker = registration.installing;
+    await wait_for_state(t, firstWorker, 'redundant');
+
+    // postMessage() to a redundant worker should be dropped silently.
+    // Historically, this threw an exception.
+    firstWorker.postMessage('firstWorker');
+
+    // To test somewhat that it was not received, send a message to another
+    // worker and check that we get a reply for that one.
+    secondWorker.postMessage('secondWorker');
+    const data = await messagePromise;
+    assert_equals(data, 'secondWorker');
+  }, 'postMessage to a redundant worker');
 </script>
diff --git a/tests/wpt/web-platform-tests/service-workers/service-worker/resources/postmessage-echo-worker.js b/tests/wpt/web-platform-tests/service-workers/service-worker/resources/postmessage-echo-worker.js
new file mode 100644
index 00000000000..f088ad12780
--- /dev/null
+++ b/tests/wpt/web-platform-tests/service-workers/service-worker/resources/postmessage-echo-worker.js
@@ -0,0 +1,3 @@
+self.addEventListener('message', event => {
+  event.source.postMessage(event.data);
+});
diff --git a/tests/wpt/web-platform-tests/service-workers/service-worker/unregister-then-register.https.html b/tests/wpt/web-platform-tests/service-workers/service-worker/unregister-then-register.https.html
index ddbbcfd9934..5fd2cf97095 100644
--- a/tests/wpt/web-platform-tests/service-workers/service-worker/unregister-then-register.https.html
+++ b/tests/wpt/web-platform-tests/service-workers/service-worker/unregister-then-register.https.html
@@ -10,7 +10,7 @@ promise_test(async function(t) {
     const registration = await service_worker_unregister_and_register(t, worker_url, scope);
     t.add_cleanup(() => registration.unregister());
 
-    await wait_for_state(t, r.installing, 'activated');
+    await wait_for_state(t, registration.installing, 'activated');
     await registration.unregister();
     const newRegistration = await navigator.serviceWorker.register(worker_url, { scope });
     t.add_cleanup(() => newRegistration.unregister());
diff --git a/tests/wpt/web-platform-tests/signed-exchange/resources/generate-test-sxgs.sh b/tests/wpt/web-platform-tests/signed-exchange/resources/generate-test-sxgs.sh
index a7776114379..16750f25438 100755
--- a/tests/wpt/web-platform-tests/signed-exchange/resources/generate-test-sxgs.sh
+++ b/tests/wpt/web-platform-tests/signed-exchange/resources/generate-test-sxgs.sh
@@ -28,7 +28,12 @@ tmpdir=$(mktemp -d)
 echo -n OCSP >$tmpdir/ocsp
 gen-certurl -pem $certfile -ocsp $tmpdir/ocsp > $certfile.cbor
 
-cert_base64=$(base64 -w 0 $certfile.cbor)
+option="-w 0"
+if [ "$(uname -s)" = "Darwin" ]; then
+    option=""
+fi
+
+cert_base64=$(base64 ${option} ${certfile}.cbor)
 data_cert_url="data:application/cert-chain+cbor;base64,$cert_base64"
 
 
diff --git a/tests/wpt/web-platform-tests/svg/coordinate-systems/outer-svg-intrinsic-size-001.html b/tests/wpt/web-platform-tests/svg/coordinate-systems/outer-svg-intrinsic-size-001.html
new file mode 100644
index 00000000000..0d9e2393ad0
--- /dev/null
+++ b/tests/wpt/web-platform-tests/svg/coordinate-systems/outer-svg-intrinsic-size-001.html
@@ -0,0 +1,95 @@
+<!doctype HTML>
+<head>
+  <link rel="help" href="https://www.w3.org/TR/SVG/coords.html#SizingSVGInCSS">
+  <link rel="help" href="https://drafts.csswg.org/css-sizing-3/#intrinsic-sizes">
+  <script src="/resources/testharness.js"></script>
+  <script src="/resources/testharnessreport.js"></script>
+  <style>
+    #wrapper {
+        width: 500px;
+    }
+  </style>
+</head>
+<body>
+  <div id="wrapper">
+    <svg id="mySVG"></svg>
+  </div>
+  <script>
+    let svgElem = document.getElementById("mySVG");
+    function expect_svg_width_and_height(width, height) {
+        let rect = svgElem.getBoundingClientRect();
+        assert_equals(rect.width, width, "checking width.");
+        assert_equals(rect.height, height, "checking height.");
+    }
+    test(function() {
+        expect_svg_width_and_height(300, 150);
+    }, "no sizing attributes set");
+
+    // Just setting width and/or height:
+    test(function() {
+        svgElem.setAttribute("width", "100");
+        expect_svg_width_and_height(100, 150);
+    }, "specified width");
+    test(function() {
+        svgElem.setAttribute("width", "400");
+        expect_svg_width_and_height(400, 150);
+    }, "modified specified width");
+
+    test(function() {
+        // (set height, leaving width still set)
+        svgElem.setAttribute("height", "100");
+        expect_svg_width_and_height(400, 100);
+    }, "specified width and height");
+    test(function() {
+        svgElem.setAttribute("height", "200");
+        expect_svg_width_and_height(400, 200);
+    }, "specified width and modified specified height");
+    test(function() {
+        svgElem.removeAttribute("width"); // leaving only 'height':
+        expect_svg_width_and_height(300, 200);
+    }, "specified height");
+    test(function() {
+        svgElem.setAttribute("height", "250");
+        expect_svg_width_and_height(300, 250);
+    }, "modified specified height");
+    test(function() {
+        // clean up (go back to having no sizing attrs set)
+        svgElem.removeAttribute("height");
+        expect_svg_width_and_height(300, 150);
+    }, "no specified sizing attrs (after setting & removing them)");
+
+
+    // Just setting viewBox:
+    test(function() {
+        svgElem.setAttribute("viewBox", "0 0 10 8");
+        expect_svg_width_and_height(500, 400);
+    }, "set a 10x8 viewBox");
+    test(function() {
+        // Adjusting already-set viewBox:
+        svgElem.setAttribute("viewBox", "0 0 50 10");
+        expect_svg_width_and_height(500, 100);
+    }, "modified viewBox to 50x20");
+    test(function() {
+        svgElem.setAttribute("width", "100");
+        expect_svg_width_and_height(100, 20);
+    }, "adding specified width, in presence of specified viewBox");
+    test(function() {
+        svgElem.setAttribute("viewBox", "0 0 40 30");
+        expect_svg_width_and_height(100, 75);
+    }, "modifiying specified viewBox, in presence of specified width");
+
+    test(function() {
+        svgElem.removeAttribute("width");
+        expect_svg_width_and_height(500, 375);
+    }, "removing specified width, in presence of specified viewBox");
+
+    test(function() {
+        svgElem.setAttribute("height", "60");
+        expect_svg_width_and_height(80, 60);
+    }, "adding specified height, in presence of specified viewBox");
+    test(function() {
+        svgElem.setAttribute("viewBox", "0 0 100 120");
+        expect_svg_width_and_height(50, 60);
+    }, "modifiying specified viewBox, in presence of specified height");
+  </script>
+</body>
diff --git a/tests/wpt/web-platform-tests/svg/coordinate-systems/outer-svg-intrinsic-size-002.html b/tests/wpt/web-platform-tests/svg/coordinate-systems/outer-svg-intrinsic-size-002.html
new file mode 100644
index 00000000000..8a65d649184
--- /dev/null
+++ b/tests/wpt/web-platform-tests/svg/coordinate-systems/outer-svg-intrinsic-size-002.html
@@ -0,0 +1,103 @@
+<!doctype HTML>
+<head>
+  <link rel="help" href="https://www.w3.org/TR/SVG/coords.html#SizingSVGInCSS">
+  <link rel="help" href="https://drafts.csswg.org/css-sizing-3/#intrinsic-sizes">
+  <script src="/resources/testharness.js"></script>
+  <script src="/resources/testharnessreport.js"></script>
+  <style>
+    #wrapper {
+        width: 500px;
+    }
+  </style>
+</head>
+<body>
+  <div id="wrapper">
+    <object id="myObj" data="support/simple.svg"
+            onload="go()"></object>
+  </div>
+  <script>
+    let objElem = document.getElementById("myObj");
+    let svgElem; // initialized after obj doc loads
+
+    function expect_svg_width_and_height(width, height) {
+        let rect = objElem.getBoundingClientRect();
+        assert_equals(rect.width, width, "checking width.");
+        assert_equals(rect.height, height, "checking height.");
+    }
+
+    function go() {
+      svgElem = objElem.contentDocument.documentElement;
+
+      test(function() {
+          expect_svg_width_and_height(300, 150);
+      }, "no sizing attributes set");
+
+      // Just setting width and/or height:
+      test(function() {
+          svgElem.setAttribute("width", "100");
+          expect_svg_width_and_height(100, 150);
+      }, "specified width");
+      test(function() {
+          svgElem.setAttribute("width", "400");
+          expect_svg_width_and_height(400, 150);
+      }, "modified specified width");
+
+      test(function() {
+          // (set height, leaving width still set)
+          svgElem.setAttribute("height", "100");
+          expect_svg_width_and_height(400, 100);
+      }, "specified width and height");
+      test(function() {
+          svgElem.setAttribute("height", "200");
+          expect_svg_width_and_height(400, 200);
+      }, "specified width and modified specified height");
+      test(function() {
+          svgElem.removeAttribute("width"); // leaving only 'height':
+          expect_svg_width_and_height(300, 200);
+      }, "specified height");
+      test(function() {
+          svgElem.setAttribute("height", "250");
+          expect_svg_width_and_height(300, 250);
+      }, "modified specified height");
+      test(function() {
+          // clean up (go back to having no sizing attrs set)
+          svgElem.removeAttribute("height");
+          expect_svg_width_and_height(300, 150);
+      }, "no specified sizing attrs (after setting & removing them)");
+
+
+      // Just setting viewBox:
+      test(function() {
+          svgElem.setAttribute("viewBox", "0 0 10 8");
+          expect_svg_width_and_height(500, 400);
+      }, "set a 10x8 viewBox");
+      test(function() {
+          // Adjusting already-set viewBox:
+          svgElem.setAttribute("viewBox", "0 0 50 10");
+          expect_svg_width_and_height(500, 100);
+      }, "modified viewBox to 50x20");
+      test(function() {
+          svgElem.setAttribute("width", "100");
+          expect_svg_width_and_height(100, 20);
+      }, "adding specified width, in presence of specified viewBox");
+      test(function() {
+          svgElem.setAttribute("viewBox", "0 0 40 30");
+          expect_svg_width_and_height(100, 75);
+      }, "modifiying specified viewBox, in presence of specified width");
+
+      test(function() {
+          svgElem.removeAttribute("width");
+          expect_svg_width_and_height(500, 375);
+      }, "removing specified width, in presence of specified viewBox");
+
+      test(function() {
+          svgElem.setAttribute("height", "60");
+          expect_svg_width_and_height(80, 60);
+      }, "adding specified height, in presence of specified viewBox");
+      test(function() {
+          svgElem.setAttribute("viewBox", "0 0 100 120");
+          expect_svg_width_and_height(50, 60);
+      }, "modifiying specified viewBox, in presence of specified height");
+    };
+  </script>
+</body>
diff --git a/tests/wpt/web-platform-tests/svg/coordinate-systems/support/simple.svg b/tests/wpt/web-platform-tests/svg/coordinate-systems/support/simple.svg
new file mode 100644
index 00000000000..e0af766e8ff
--- /dev/null
+++ b/tests/wpt/web-platform-tests/svg/coordinate-systems/support/simple.svg
@@ -0,0 +1,2 @@
+<svg xmlns="http://www.w3.org/2000/svg">
+</svg>
diff --git a/tests/wpt/web-platform-tests/svg/render/reftests/render-sync-with-font-size-ref.html b/tests/wpt/web-platform-tests/svg/render/reftests/render-sync-with-font-size-ref.html
new file mode 100644
index 00000000000..c3131930417
--- /dev/null
+++ b/tests/wpt/web-platform-tests/svg/render/reftests/render-sync-with-font-size-ref.html
@@ -0,0 +1,7 @@
+<!doctype html>
+<title>Render is synchronized with font-size change</title>
+<svg width="400" height="400" style="font-size:20px">
+  <rect width="5em" height="5em" rx="5px" ry="5px" fill="magenta" />
+  <circle cx="10em" cy="5em" r="4em" fill="purple" />
+  <line y1="6em" x2="15em" y2="6em" stroke="skyblue" />
+</svg>
diff --git a/tests/wpt/web-platform-tests/svg/render/reftests/render-sync-with-font-size.html b/tests/wpt/web-platform-tests/svg/render/reftests/render-sync-with-font-size.html
new file mode 100644
index 00000000000..e78ba1f3cdc
--- /dev/null
+++ b/tests/wpt/web-platform-tests/svg/render/reftests/render-sync-with-font-size.html
@@ -0,0 +1,21 @@
+<!doctype html>
+<html class="reftest-wait">
+<title>Render is synchronized with font-size change</title>
+<link rel="match" href="render-sync-with-font-size-ref.html">
+<svg width="400" height="400" style="font-size:10px" onload="main()">
+  <rect width="5em" height="5em" rx="5px" ry="5px" fill="magenta" />
+  <circle cx="10em" cy="5em" r="4em" fill="purple" />
+  <line y1="6em" x2="15em" y2="6em" stroke="skyblue" />
+</svg>
+<script>
+  function main() {
+    window.requestAnimationFrame(() => {
+      let s = document.querySelector("svg");
+      s.style.fontSize = "20px";
+      window.requestAnimationFrame(() => {
+        document.documentElement.removeAttribute("class");
+      });
+    });
+  };
+</script>
+</html>
diff --git a/tests/wpt/web-platform-tests/webrtc/RTCPeerConnection-helper.js b/tests/wpt/web-platform-tests/webrtc/RTCPeerConnection-helper.js
index fde1c6f0374..d859ac736ae 100644
--- a/tests/wpt/web-platform-tests/webrtc/RTCPeerConnection-helper.js
+++ b/tests/wpt/web-platform-tests/webrtc/RTCPeerConnection-helper.js
@@ -222,7 +222,11 @@ function coupleIceCandidates(pc1, pc2) {
 }
 
 // Helper function for doing one round of offer/answer exchange
-// between two local peer connections
+// between two local peer connections.
+// Calls setRemoteDescription(offer/answer) before
+// setLocalDescription(offer/answer) to ensure the remote description
+// is set and candidates can be added before the local peer connection
+// starts generating candidates and ICE checks.
 async function doSignalingHandshake(localPc, remotePc, options={}) {
   let offer = await localPc.createOffer();
   // Modify offer if callback has been provided
@@ -230,9 +234,9 @@ async function doSignalingHandshake(localPc, remotePc, options={}) {
     offer = await options.modifyOffer(offer);
   }
 
-  // Apply offer
-  await localPc.setLocalDescription(offer);
+  // Apply offer.
   await remotePc.setRemoteDescription(offer);
+  await localPc.setLocalDescription(offer);
 
   let answer = await remotePc.createAnswer();
   // Modify answer if callback has been provided
@@ -240,7 +244,7 @@ async function doSignalingHandshake(localPc, remotePc, options={}) {
     answer = await options.modifyAnswer(answer);
   }
 
-  // Apply answer. Note: localPc should enter stable state first.
+  // Apply answer.
   await localPc.setRemoteDescription(answer);
   await remotePc.setLocalDescription(answer);
 }