diff --git a/tests/wpt/metadata/FileAPI/url/url-in-tags-revoke.window.js.ini b/tests/wpt/metadata/FileAPI/url/url-in-tags-revoke.window.js.ini
index dd4ffcf4345b..a9e467132440 100644
--- a/tests/wpt/metadata/FileAPI/url/url-in-tags-revoke.window.js.ini
+++ b/tests/wpt/metadata/FileAPI/url/url-in-tags-revoke.window.js.ini
@@ -1,4 +1,5 @@
 [url-in-tags-revoke.window.html]
+  expected: TIMEOUT
   [Fetching a blob URL immediately before revoking it works in an iframe.]
     expected: FAIL
 
@@ -6,7 +7,7 @@
     expected: FAIL
 
   [Opening a blob URL in a new window immediately before revoking it works.]
-    expected: FAIL
+    expected: TIMEOUT
 
   [Opening a blob URL in a noopener about:blank window immediately before revoking it works.]
     expected: FAIL
@@ -14,3 +15,6 @@
   [Opening a blob URL in a new window by clicking an <a> tag works immediately before revoking the URL.]
     expected: FAIL
 
+  [Fetching a blob URL immediately before revoking it works in <script> tags.]
+    expected: TIMEOUT
+
diff --git a/tests/wpt/metadata/MANIFEST.json b/tests/wpt/metadata/MANIFEST.json
index bf326c3963a3..31f8a8820b8a 100644
--- a/tests/wpt/metadata/MANIFEST.json
+++ b/tests/wpt/metadata/MANIFEST.json
@@ -649436,7 +649436,7 @@
    "support"
   ],
   "interfaces/accelerometer.idl": [
-   "35b09b8d521640b9b4519d665247a3c48d649386",
+   "f4187b601763a4f96ce9103ed49011e950bd97de",
    "support"
   ],
   "interfaces/ambient-light.idl": [
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 000000000000..5496474410b1
--- /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/dom/nodes/Document-contentType/contentType/contenttype_txt.html.ini b/tests/wpt/metadata/dom/nodes/Document-contentType/contentType/contenttype_txt.html.ini
deleted file mode 100644
index c3916f8555dd..000000000000
--- a/tests/wpt/metadata/dom/nodes/Document-contentType/contentType/contenttype_txt.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[contenttype_txt.html]
-  expected: CRASH
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 71b360f7148e..074d554e0725 100644
--- a/tests/wpt/metadata/fetch/content-type/response.window.js.ini
+++ b/tests/wpt/metadata/fetch/content-type/response.window.js.ini
@@ -312,18 +312,15 @@
   [<iframe>: separate response Content-Type: */* text/html]
     expected: FAIL
 
-  [<iframe>: separate response Content-Type: text/plain */*]
-    expected: FAIL
-
-  [<iframe>: combined response Content-Type: text/html;x=" text/plain]
+  [<iframe>: combined response Content-Type: */* text/html]
     expected: FAIL
 
-  [<iframe>: combined response Content-Type: */* text/html]
+  [<iframe>: combined response Content-Type: text/html;charset=gbk text/plain text/html]
     expected: FAIL
 
-  [<iframe>: separate response Content-Type: text/html;x=" text/plain]
+  [<iframe>: combined response Content-Type: text/html */*]
     expected: FAIL
 
-  [<iframe>: separate response Content-Type: text/html;" \\" text/plain]
+  [<iframe>: separate response Content-Type: text/html */*]
     expected: FAIL
 
diff --git a/tests/wpt/metadata/fetch/content-type/script.window.js.ini b/tests/wpt/metadata/fetch/content-type/script.window.js.ini
index 7d481211d8a1..e67f0406fc3d 100644
--- a/tests/wpt/metadata/fetch/content-type/script.window.js.ini
+++ b/tests/wpt/metadata/fetch/content-type/script.window.js.ini
@@ -53,12 +53,3 @@
   [combined text/javascript ]
     expected: FAIL
 
-  [separate text/javascript x/x]
-    expected: FAIL
-
-  [separate text/javascript;charset=windows-1252  text/javascript]
-    expected: FAIL
-
-  [separate text/javascript;charset=windows-1252 error text/javascript]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata/fetch/nosniff/parsing-nosniff.window.js.ini b/tests/wpt/metadata/fetch/nosniff/parsing-nosniff.window.js.ini
index f9392e03143c..87c807a49ff9 100644
--- a/tests/wpt/metadata/fetch/nosniff/parsing-nosniff.window.js.ini
+++ b/tests/wpt/metadata/fetch/nosniff/parsing-nosniff.window.js.ini
@@ -11,9 +11,3 @@
   [X-Content-Type-Options%3A%20nosniff%0C]
     expected: FAIL
 
-  [X-Content-Type-Options%3A%20%22nosniFF%22]
-    expected: FAIL
-
-  [X-Content-Type-Options%3A%20no%0D%0AX-Content-Type-Options%3A%20nosniff]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/navigation-unload-same-origin-fragment.html.ini b/tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/navigation-unload-same-origin-fragment.html.ini
new file mode 100644
index 000000000000..e495b626d2ee
--- /dev/null
+++ b/tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/navigation-unload-same-origin-fragment.html.ini
@@ -0,0 +1,4 @@
+[navigation-unload-same-origin-fragment.html]
+  [Tests that a fragment navigation in the unload handler will not block the initial navigation]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_1.html.ini b/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_1.html.ini
deleted file mode 100644
index 87b07c3e6704..000000000000
--- a/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_1.html.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[traverse_the_history_1.html]
-  [Multiple history traversals from the same task]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_3.html.ini b/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_2.html.ini
similarity index 71%
rename from tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_3.html.ini
rename to tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_2.html.ini
index 51f8272a6def..75d75b4cda2e 100644
--- a/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_3.html.ini
+++ b/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_2.html.ini
@@ -1,4 +1,4 @@
-[traverse_the_history_3.html]
+[traverse_the_history_2.html]
   [Multiple history traversals, last would be aborted]
     expected: FAIL
 
diff --git a/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-negative-screenx-screeny.html.ini b/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-negative-screenx-screeny.html.ini
index 23eefb8eaf96..e150c9d848f1 100644
--- a/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-negative-screenx-screeny.html.ini
+++ b/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-negative-screenx-screeny.html.ini
@@ -1,24 +1,5 @@
 [open-features-negative-screenx-screeny.html]
   type: testharness
-  expected: TIMEOUT
   [HTML: window.open `features`: negative values for legacy `screenx`, `screeny`]
     expected: FAIL
 
-  [features "screenx=-204" should NOT set "left=204"]
-    expected: TIMEOUT
-
-  [features "screeny=-204" should NOT set "top=204"]
-    expected: TIMEOUT
-
-  [features "screeny=-204.5" should NOT set "top=204"]
-    expected: TIMEOUT
-
-  [features "screeny=-0" should NOT set "top=204"]
-    expected: TIMEOUT
-
-  [features "screenx=-0" should NOT set "left=204"]
-    expected: TIMEOUT
-
-  [features "screenx=-204.5" should NOT set "left=204"]
-    expected: TIMEOUT
-
diff --git a/tests/wpt/metadata/html/browsers/windows/auxiliary-browsing-contexts/opener-setter.html.ini b/tests/wpt/metadata/html/browsers/windows/auxiliary-browsing-contexts/opener-setter.html.ini
new file mode 100644
index 000000000000..b82bb99839f6
--- /dev/null
+++ b/tests/wpt/metadata/html/browsers/windows/auxiliary-browsing-contexts/opener-setter.html.ini
@@ -0,0 +1,5 @@
+[opener-setter.html]
+  expected: TIMEOUT
+  [Auxiliary browsing context created via `window.open` and setting `window.opener` to `null` should report `window.opener` `null`]
+    expected: TIMEOUT
+
diff --git a/tests/wpt/metadata/html/browsers/windows/embedded-opener-remove-frame.html.ini b/tests/wpt/metadata/html/browsers/windows/embedded-opener-remove-frame.html.ini
index 442db3cb549a..2532dceabaca 100644
--- a/tests/wpt/metadata/html/browsers/windows/embedded-opener-remove-frame.html.ini
+++ b/tests/wpt/metadata/html/browsers/windows/embedded-opener-remove-frame.html.ini
@@ -1,4 +1,5 @@
 [embedded-opener-remove-frame.html]
+  expected: CRASH
   [opener and "removed" embedded documents]
     expected: FAIL
 
diff --git a/tests/wpt/metadata/html/semantics/embedded-content/media-elements/media_fragment_seek.html.ini b/tests/wpt/metadata/html/semantics/embedded-content/media-elements/media_fragment_seek.html.ini
new file mode 100644
index 000000000000..b5a27414b219
--- /dev/null
+++ b/tests/wpt/metadata/html/semantics/embedded-content/media-elements/media_fragment_seek.html.ini
@@ -0,0 +1,4 @@
+[media_fragment_seek.html]
+  [Video should seek to time specified in media fragment syntax]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-2.html.ini b/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-2.html.ini
index c6f45be1eb28..4df5d7a35de6 100644
--- a/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-2.html.ini
+++ b/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-2.html.ini
@@ -1,5 +1,4 @@
 [iframe_sandbox_popups_escaping-2.html]
-  expected: TIMEOUT
   [Check that popups from a sandboxed iframe escape the sandbox if\n       allow-popups-to-escape-sandbox is used]
-    expected: TIMEOUT
+    expected: FAIL
 
diff --git a/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-3.html.ini b/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-3.html.ini
index 5f60c78e73cd..f6a7aca3306c 100644
--- a/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-3.html.ini
+++ b/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-3.html.ini
@@ -1,6 +1,5 @@
 [iframe_sandbox_popups_escaping-3.html]
   type: testharness
-  expected: TIMEOUT
   [Check that popups from a sandboxed iframe escape the sandbox if\n       allow-popups-to-escape-sandbox is used]
-    expected: TIMEOUT
+    expected: FAIL
 
diff --git a/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-3.html.ini b/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-3.html.ini
index e440b1e38c61..dc856a3d5a31 100644
--- a/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-3.html.ini
+++ b/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-3.html.ini
@@ -1,6 +1,5 @@
 [iframe_sandbox_popups_nonescaping-3.html]
   type: testharness
-  expected: TIMEOUT
   [Check that popups from a sandboxed iframe do not escape the sandbox]
-    expected: NOTRUN
+    expected: FAIL
 
diff --git a/tests/wpt/metadata/html/semantics/forms/autofocus/skip-document-with-fragment.html.ini b/tests/wpt/metadata/html/semantics/forms/autofocus/skip-document-with-fragment.html.ini
index c12c0f8ae48c..6852d7663de0 100644
--- a/tests/wpt/metadata/html/semantics/forms/autofocus/skip-document-with-fragment.html.ini
+++ b/tests/wpt/metadata/html/semantics/forms/autofocus/skip-document-with-fragment.html.ini
@@ -1,4 +1,8 @@
 [skip-document-with-fragment.html]
+  expected: TIMEOUT
   [Autofocus elements in iframed documents with URL fragments should be skipped.]
     expected: FAIL
 
+  [Autofocus elements in top-level browsing context's documents with URI fragments should be skipped.]
+    expected: TIMEOUT
+
diff --git a/tests/wpt/metadata/html/semantics/interactive-elements/the-details-element/toggleEvent.html.ini b/tests/wpt/metadata/html/semantics/interactive-elements/the-details-element/toggleEvent.html.ini
new file mode 100644
index 000000000000..9e522297c94d
--- /dev/null
+++ b/tests/wpt/metadata/html/semantics/interactive-elements/the-details-element/toggleEvent.html.ini
@@ -0,0 +1,7 @@
+[toggleEvent.html]
+  [Calling open twice on 'details' fires only one toggle event]
+    expected: FAIL
+
+  [Setting open=true to opened 'details' element should not fire a toggle event at the 'details' element]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/html/semantics/scripting-1/the-script-element/script-onerror-insertion-point-2.html.ini b/tests/wpt/metadata/html/semantics/scripting-1/the-script-element/script-onerror-insertion-point-2.html.ini
deleted file mode 100644
index 178680e5d146..000000000000
--- a/tests/wpt/metadata/html/semantics/scripting-1/the-script-element/script-onerror-insertion-point-2.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[script-onerror-insertion-point-2.html]
-  expected: TIMEOUT
diff --git a/tests/wpt/metadata/resource-timing/nested-context-navigations-iframe.html.ini b/tests/wpt/metadata/resource-timing/nested-context-navigations-iframe.html.ini
index ec371a1bf726..8594361ff442 100644
--- a/tests/wpt/metadata/resource-timing/nested-context-navigations-iframe.html.ini
+++ b/tests/wpt/metadata/resource-timing/nested-context-navigations-iframe.html.ini
@@ -1,5 +1,5 @@
 [nested-context-navigations-iframe.html]
-  expected: TIMEOUT
+  expected: CRASH
   [Test that iframe navigations are not observable by the parent, even after history navigations by the parent]
     expected: FAIL
 
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 bfd4d6dd2d69..bf2a1d61bab8 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
@@ -1,5 +1,4 @@
 [import-in-moduleworker.html]
-  expected: ERROR
   [Base URL in module dedicated workers: import]
     expected: FAIL
 
diff --git a/tests/wpt/metadata/workers/constructors/Worker/Worker-constructor.html.ini b/tests/wpt/metadata/workers/constructors/Worker/Worker-constructor.html.ini
new file mode 100644
index 000000000000..80f9a4f15b8a
--- /dev/null
+++ b/tests/wpt/metadata/workers/constructors/Worker/Worker-constructor.html.ini
@@ -0,0 +1,2 @@
+[Worker-constructor.html]
+  expected: ERROR
diff --git a/tests/wpt/web-platform-tests/interfaces/accelerometer.idl b/tests/wpt/web-platform-tests/interfaces/accelerometer.idl
index 35b09b8d5216..f4187b601763 100644
--- a/tests/wpt/web-platform-tests/interfaces/accelerometer.idl
+++ b/tests/wpt/web-platform-tests/interfaces/accelerometer.idl
@@ -3,9 +3,9 @@
 // (https://github.com/tidoust/reffy-reports)
 // Source: Accelerometer (https://w3c.github.io/accelerometer/)
 
-[Constructor(optional AccelerometerSensorOptions options = {}), SecureContext,
-  Exposed=Window]
+[SecureContext, Exposed=Window]
 interface Accelerometer : Sensor {
+  constructor(optional AccelerometerSensorOptions options = {});
   readonly attribute double? x;
   readonly attribute double? y;
   readonly attribute double? z;
@@ -17,14 +17,14 @@ dictionary AccelerometerSensorOptions : SensorOptions {
   AccelerometerLocalCoordinateSystem referenceFrame = "device";
 };
 
-[Constructor(optional AccelerometerSensorOptions options = {}), SecureContext,
-  Exposed=Window]
+[SecureContext, Exposed=Window]
 interface LinearAccelerationSensor : Accelerometer {
+  constructor(optional AccelerometerSensorOptions options = {});
 };
 
-[Constructor(optional AccelerometerSensorOptions options = {}), SecureContext,
-  Exposed=Window]
+[SecureContext, Exposed=Window]
 interface GravitySensor : Accelerometer {
+  constructor(optional AccelerometerSensorOptions options = {});
 };
 
 dictionary AccelerometerReadingValues {
diff --git a/tests/wpt/webgl/meta/conformance2/rendering/canvas-resizing-with-pbo-bound.html.ini b/tests/wpt/webgl/meta/conformance2/rendering/canvas-resizing-with-pbo-bound.html.ini
index 436b6e96fe77..0e7c48f14817 100644
--- a/tests/wpt/webgl/meta/conformance2/rendering/canvas-resizing-with-pbo-bound.html.ini
+++ b/tests/wpt/webgl/meta/conformance2/rendering/canvas-resizing-with-pbo-bound.html.ini
@@ -1,5 +1,4 @@
 [canvas-resizing-with-pbo-bound.html]
-  expected: TIMEOUT
   [WebGL test #0: Unable to fetch WebGL rendering context for Canvas]
     expected: FAIL