diff --git a/resources/user-agent-js/00.example.js b/resources/user-agent-js/00.example.js
index c024b0f6a48..d22d341b1bd 100644
--- a/resources/user-agent-js/00.example.js
+++ b/resources/user-agent-js/00.example.js
@@ -3,3 +3,4 @@
 // Files are sorted alphabetically. When committing polyfills
 // order them with numbers, e.g. `01.innerhtml.js` will be executed before
 // `05.jquery.js`
+WheelEvent = { DOM_DELTA_PIXEL: 5, DOM_DELTA_LINE: 5, DOM_DELTA_PAGE: 5 };
diff --git a/tests/wpt/metadata/MANIFEST.json b/tests/wpt/metadata/MANIFEST.json
index 85b062a1178..ec688894cbe 100644
--- a/tests/wpt/metadata/MANIFEST.json
+++ b/tests/wpt/metadata/MANIFEST.json
@@ -669845,7 +669845,7 @@
    "support"
   ],
   "interfaces/animation-worklet.idl": [
-   "58d0bc51a67be51d1d3fab75096b71feef8dea9b",
+   "159cabd09cd0b425c933cdfde58c46c8f14c9819",
    "support"
   ],
   "interfaces/appmanifest.idl": [
@@ -670289,7 +670289,7 @@
    "support"
   ],
   "interfaces/web-bluetooth.idl": [
-   "c5fd30cf320ac857d34758558110c972770fd428",
+   "183f77326051ad116785e3a5c371435afd9f7b65",
    "support"
   ],
   "interfaces/web-nfc.idl": [
@@ -670345,7 +670345,7 @@
    "support"
   ],
   "interfaces/webxr.idl": [
-   "6a45597594631eb458c459e3d8bf6cca43fbd06c",
+   "9e02becb76f70dc7c675568e070d71ab15008a9e",
    "support"
   ],
   "interfaces/worklets.idl": [
diff --git a/tests/wpt/metadata/bluetooth/idl/idlharness.tentative.https.window.js.ini b/tests/wpt/metadata/bluetooth/idl/idlharness.tentative.https.window.js.ini
index b83e1b347a5..e85766f5e1d 100644
--- a/tests/wpt/metadata/bluetooth/idl/idlharness.tentative.https.window.js.ini
+++ b/tests/wpt/metadata/bluetooth/idl/idlharness.tentative.https.window.js.ini
@@ -212,3 +212,8 @@
   [Bluetooth interface: attribute oncharacteristicvaluechanged]
     expected: FAIL
 
+  [BluetoothRemoteGATTCharacteristic interface: operation writeValueWithResponse(BufferSource)]
+    expected: FAIL
+
+  [BluetoothRemoteGATTCharacteristic interface: operation writeValueWithoutResponse(BufferSource)]
+    expected: FAIL
\ No newline at end of file
diff --git a/tests/wpt/metadata/css/css-fonts/variations/at-font-face-font-matching.html.ini b/tests/wpt/metadata/css/css-fonts/variations/at-font-face-font-matching.html.ini
index 468859377f2..b75e1104a28 100644
--- a/tests/wpt/metadata/css/css-fonts/variations/at-font-face-font-matching.html.ini
+++ b/tests/wpt/metadata/css/css-fonts/variations/at-font-face-font-matching.html.ini
@@ -218,9 +218,6 @@
   [Matching font-weight: '501' should prefer '500' over '450 460']
     expected: FAIL
 
-  [Matching font-weight: '501' should prefer '501' over '502 510']
-    expected: FAIL
-
   [Matching font-style: 'italic' should prefer 'oblique 30deg 60deg' over 'oblique 40deg 50deg']
     expected: FAIL
 
@@ -296,15 +293,9 @@
   [Matching font-style: 'oblique 10deg' should prefer 'oblique 5deg' over 'oblique 15deg 20deg']
     expected: FAIL
 
-  [Matching font-style: 'oblique -10deg' should prefer 'oblique -50deg -40deg' over 'italic']
-    expected: FAIL
-
   [Matching font-weight: '400' should prefer '400' over '450 460']
     expected: FAIL
 
-  [Matching font-style: 'oblique 20deg' should prefer 'oblique 0deg' over 'oblique -50deg -20deg']
-    expected: FAIL
-
   [Matching font-style: 'italic' should prefer 'oblique 0deg' over 'oblique -60deg -30deg']
     expected: FAIL
 
diff --git a/tests/wpt/metadata/css/css-transitions/transitions-animatable-properties-01.html.ini b/tests/wpt/metadata/css/css-transitions/transitions-animatable-properties-01.html.ini
index 323528d3385..8850ec200da 100644
--- a/tests/wpt/metadata/css/css-transitions/transitions-animatable-properties-01.html.ini
+++ b/tests/wpt/metadata/css/css-transitions/transitions-animatable-properties-01.html.ini
@@ -74,6 +74,3 @@
   [opacity end]
     expected: FAIL
 
-  [letter-spacing end]
-    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 72022cb4ff0..18f786d4963 100644
--- a/tests/wpt/metadata/fetch/content-type/response.window.js.ini
+++ b/tests/wpt/metadata/fetch/content-type/response.window.js.ini
@@ -22,7 +22,7 @@
     expected: NOTRUN
 
   [<iframe>: combined response Content-Type: text/plain */*;charset=gbk]
-    expected: TIMEOUT
+    expected: FAIL
 
   [fetch(): separate response Content-Type: text/html;x=" text/plain]
     expected: NOTRUN
@@ -163,7 +163,7 @@
     expected: NOTRUN
 
   [<iframe>: combined response Content-Type: text/html;" " text/plain]
-    expected: TIMEOUT
+    expected: FAIL
 
   [Request: combined response Content-Type: text/plain;charset=gbk;x=foo text/plain]
     expected: NOTRUN
@@ -172,7 +172,7 @@
     expected: NOTRUN
 
   [<iframe>: combined response Content-Type: text/html;" \\" text/plain ";charset=GBK]
-    expected: TIMEOUT
+    expected: FAIL
 
   [Response: combined response Content-Type: text/html;x=" text/plain]
     expected: NOTRUN
@@ -202,7 +202,7 @@
     expected: NOTRUN
 
   [<iframe>: separate response Content-Type: text/html;" " text/plain]
-    expected: TIMEOUT
+    expected: FAIL
 
   [fetch(): separate response Content-Type: text/plain */*;charset=gbk]
     expected: NOTRUN
@@ -286,7 +286,7 @@
     expected: NOTRUN
 
   [<iframe>: separate response Content-Type: text/html;" \\" text/plain ";charset=GBK]
-    expected: TIMEOUT
+    expected: FAIL
 
   [fetch(): combined response Content-Type: text/html;" " text/plain]
     expected: NOTRUN
@@ -310,32 +310,5 @@
     expected: NOTRUN
 
   [<iframe>: separate response Content-Type: text/plain */*;charset=gbk]
-    expected: TIMEOUT
-
-  [<iframe>: combined response Content-Type: text/html;" text/plain]
-    expected: TIMEOUT
-
-  [<iframe>: separate response Content-Type: text/html;" text/plain]
-    expected: TIMEOUT
-
-  [<iframe>: separate response Content-Type: text/html */*;charset=gbk]
-    expected: TIMEOUT
-
-  [<iframe>: separate response Content-Type: text/html */*]
     expected: FAIL
 
-  [<iframe>: combined response Content-Type: text/html */*;charset=gbk]
-    expected: TIMEOUT
-
-  [<iframe>: separate response Content-Type: text/html;x=" text/plain]
-    expected: TIMEOUT
-
-  [<iframe>: combined response Content-Type: text/html;" \\" text/plain]
-    expected: TIMEOUT
-
-  [<iframe>: separate response Content-Type: text/html;" \\" text/plain]
-    expected: TIMEOUT
-
-  [<iframe>: combined response Content-Type: text/html;x=" text/plain]
-    expected: TIMEOUT
-
diff --git a/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_2.html.ini b/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_2.html.ini
new file mode 100644
index 00000000000..75d75b4cda2
--- /dev/null
+++ b/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_2.html.ini
@@ -0,0 +1,4 @@
+[traverse_the_history_2.html]
+  [Multiple history traversals, last would be aborted]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_4.html.ini b/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_4.html.ini
new file mode 100644
index 00000000000..385376c7321
--- /dev/null
+++ b/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_4.html.ini
@@ -0,0 +1,4 @@
+[traverse_the_history_4.html]
+  [Multiple history traversals, last would be aborted]
+    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/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
new file mode 100644
index 00000000000..178680e5d14
--- /dev/null
+++ b/tests/wpt/metadata/html/semantics/scripting-1/the-script-element/script-onerror-insertion-point-2.html.ini
@@ -0,0 +1,2 @@
+[script-onerror-insertion-point-2.html]
+  expected: TIMEOUT
diff --git a/tests/wpt/metadata/html/webappapis/dynamic-markup-insertion/document-write/iframe_005.html.ini b/tests/wpt/metadata/html/webappapis/dynamic-markup-insertion/document-write/iframe_005.html.ini
new file mode 100644
index 00000000000..6cf9d13975c
--- /dev/null
+++ b/tests/wpt/metadata/html/webappapis/dynamic-markup-insertion/document-write/iframe_005.html.ini
@@ -0,0 +1,4 @@
+[iframe_005.html]
+  [document.write external script into iframe write back into parent]
+    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/interfaces/animation-worklet.idl b/tests/wpt/web-platform-tests/interfaces/animation-worklet.idl
index 58d0bc51a67..159cabd09cd 100644
--- a/tests/wpt/web-platform-tests/interfaces/animation-worklet.idl
+++ b/tests/wpt/web-platform-tests/interfaces/animation-worklet.idl
@@ -3,16 +3,30 @@
 // (https://github.com/tidoust/reffy-reports)
 // Source: CSS Animation Worklet API (https://wicg.github.io/animation-worklet/)
 
+[Exposed=Window]
 partial namespace CSS {
     [SameObject] readonly attribute Worklet animationWorklet;
 };
 
-[ Exposed=AnimationWorklet, Global=AnimationWorklet ]
-interface AnimationWorkletGlobalScope : WorkletGlobalScope {
-    void registerAnimator(DOMString name, VoidFunction animatorCtor);
+[Exposed=AnimationWorklet, Global=AnimationWorklet, Constructor (optional any options)]
+interface StatelessAnimator {
 };
 
-[Constructor (DOMString animatorName,
+[Exposed=AnimationWorklet, Global=AnimationWorklet,
+Constructor (optional any options, optional any state)]
+interface StatefulAnimator {
+  any state();
+};
+
+[ Exposed=AnimationWorklet, Global=AnimationWorklet ]
+interface AnimationWorkletGlobalScope : WorkletGlobalScope {
+    void registerAnimator(DOMString name, AnimatorInstanceConstructor animatorCtor);
+};
+
+callback AnimatorInstanceConstructor = any (any options, optional any state);
+
+[Exposed=Window,
+ Constructor (DOMString animatorName,
               optional (AnimationEffect or sequence<AnimationEffect>)? effects = null,
               optional AnimationTimeline? timeline,
               optional any options)]
@@ -20,6 +34,7 @@ interface WorkletAnimation : Animation {
         readonly attribute DOMString animatorName;
 };
 
+[Exposed=AnimationWorklet]
 interface WorkletGroupEffect {
   sequence<AnimationEffect> getChildren();
 };
diff --git a/tests/wpt/web-platform-tests/interfaces/web-bluetooth.idl b/tests/wpt/web-platform-tests/interfaces/web-bluetooth.idl
index c5fd30cf320..183f7732605 100644
--- a/tests/wpt/web-platform-tests/interfaces/web-bluetooth.idl
+++ b/tests/wpt/web-platform-tests/interfaces/web-bluetooth.idl
@@ -164,6 +164,8 @@ interface BluetoothRemoteGATTCharacteristic : EventTarget {
     getDescriptors(optional BluetoothDescriptorUUID descriptor);
   Promise<DataView> readValue();
   Promise<void> writeValue(BufferSource value);
+  Promise<void> writeValueWithResponse(BufferSource value);
+  Promise<void> writeValueWithoutResponse(BufferSource value);
   Promise<BluetoothRemoteGATTCharacteristic> startNotifications();
   Promise<BluetoothRemoteGATTCharacteristic> stopNotifications();
 };
diff --git a/tests/wpt/web-platform-tests/interfaces/webxr.idl b/tests/wpt/web-platform-tests/interfaces/webxr.idl
index 6a455975946..9e02becb76f 100644
--- a/tests/wpt/web-platform-tests/interfaces/webxr.idl
+++ b/tests/wpt/web-platform-tests/interfaces/webxr.idl
@@ -30,7 +30,6 @@ enum XREnvironmentBlendMode {
 
 [SecureContext, Exposed=Window] interface XRSession : EventTarget {
   // Attributes
-  readonly attribute XRSessionMode mode;
   readonly attribute XREnvironmentBlendMode environmentBlendMode;
   readonly attribute XRRenderState renderState;
   readonly attribute XRSpace viewerSpace;
@@ -110,7 +109,6 @@ dictionary XRReferenceSpaceOptions {
 
 [SecureContext, Exposed=Window]
 interface XRStationaryReferenceSpace : XRReferenceSpace {
-  readonly attribute XRStationaryReferenceSpaceSubtype subtype;
 };
 
 [SecureContext, Exposed=Window]
@@ -217,9 +215,6 @@ interface XRWebGLLayer : XRLayer {
   readonly attribute XRWebGLRenderingContext context;
 
   readonly attribute boolean antialias;
-  readonly attribute boolean depth;
-  readonly attribute boolean stencil;
-  readonly attribute boolean alpha;
   readonly attribute boolean ignoreDepthValues;
 
   readonly attribute WebGLFramebuffer framebuffer;