diff --git a/tests/wpt/metadata/MANIFEST.json b/tests/wpt/metadata/MANIFEST.json
index 8ba281c6f917..6f0b39a86489 100644
--- a/tests/wpt/metadata/MANIFEST.json
+++ b/tests/wpt/metadata/MANIFEST.json
@@ -133699,6 +133699,18 @@
      {}
     ]
    ],
+   "css/css-pseudo/marker-display-dynamic-001.html": [
+    [
+     "css/css-pseudo/marker-display-dynamic-001.html",
+     [
+      [
+       "/css/css-pseudo/marker-color-ref.html",
+       "=="
+      ]
+     ],
+     {}
+    ]
+   ],
    "css/css-pseudo/marker-font-properties.html": [
     [
      "css/css-pseudo/marker-font-properties.html",
@@ -596909,6 +596921,10 @@
    "d45c76696eca826456988d7884adcaa52bfad9cd",
    "reftest"
   ],
+  "css/css-pseudo/marker-display-dynamic-001.html": [
+   "c06da7ca803455559a7a12b915d9083b32106cd1",
+   "reftest"
+  ],
   "css/css-pseudo/marker-font-properties-ref.html": [
    "a8fb980ff09cf8e326e6728976ac6dd8230866f3",
    "support"
@@ -715970,7 +715986,7 @@
    "testharness"
   ],
   "webrtc/RTCPeerConnection-addIceCandidate.html": [
-   "51a5677699fd635335ede3f7e41ec48b17d3e60c",
+   "3641252a13de00ef05248ade299a98c578fab448",
    "testharness"
   ],
   "webrtc/RTCPeerConnection-addTrack.https.html": [
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 73f394805d71..2dc6574f2350 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
@@ -332,3 +332,6 @@
   [Matching font-stretch: '90%' should prefer '90% 100%' over '50% 80%']
     expected: FAIL
 
+  [Matching font-weight: '400' should prefer '400' over '450 460']
+    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 18f786d49638..86bb304a6738 100644
--- a/tests/wpt/metadata/fetch/content-type/response.window.js.ini
+++ b/tests/wpt/metadata/fetch/content-type/response.window.js.ini
@@ -163,7 +163,7 @@
     expected: NOTRUN
 
   [<iframe>: combined response Content-Type: text/html;" " text/plain]
-    expected: FAIL
+    expected: TIMEOUT
 
   [Request: combined response Content-Type: text/plain;charset=gbk;x=foo text/plain]
     expected: NOTRUN
@@ -202,7 +202,7 @@
     expected: NOTRUN
 
   [<iframe>: separate response Content-Type: text/html;" " text/plain]
-    expected: FAIL
+    expected: TIMEOUT
 
   [fetch(): separate response Content-Type: text/plain */*;charset=gbk]
     expected: NOTRUN
@@ -312,3 +312,15 @@
   [<iframe>: separate response Content-Type: text/plain */*;charset=gbk]
     expected: FAIL
 
+  [<iframe>: combined response Content-Type: text/html */*]
+    expected: FAIL
+
+  [<iframe>: separate response Content-Type: text/plain;charset=gbk text/html]
+    expected: FAIL
+
+  [<iframe>: separate response Content-Type: text/html;charset=gbk text/plain text/html]
+    expected: FAIL
+
+  [<iframe>: combined response Content-Type: text/html;" \\" text/plain]
+    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 87c807a49ff9..536384f36e1c 100644
--- a/tests/wpt/metadata/fetch/nosniff/parsing-nosniff.window.js.ini
+++ b/tests/wpt/metadata/fetch/nosniff/parsing-nosniff.window.js.ini
@@ -11,3 +11,6 @@
   [X-Content-Type-Options%3A%20nosniff%0C]
     expected: FAIL
 
+  [X-Content-Type-Options%3A%20%2Cnosniff]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/javascript-url-abort/javascript-url-abort-return-value-undefined.tentative.html.ini b/tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/javascript-url-abort/javascript-url-abort-return-value-undefined.tentative.html.ini
deleted file mode 100644
index 78879bad5f14..000000000000
--- a/tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/javascript-url-abort/javascript-url-abort-return-value-undefined.tentative.html.ini
+++ /dev/null
@@ -1,5 +0,0 @@
-[javascript-url-abort-return-value-undefined.tentative.html]
-  expected: TIMEOUT
-  [Not aborting fetch for javascript:undefined navigation]
-    expected: TIMEOUT
-
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 000000000000..385376c7321e
--- /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/webaudio/the-audio-api/the-analysernode-interface/realtimeanalyser-fft-scaling.html.ini b/tests/wpt/metadata/webaudio/the-audio-api/the-analysernode-interface/realtimeanalyser-fft-scaling.html.ini
index 66bd350083b0..a56bad443a2d 100644
--- a/tests/wpt/metadata/webaudio/the-audio-api/the-analysernode-interface/realtimeanalyser-fft-scaling.html.ini
+++ b/tests/wpt/metadata/webaudio/the-audio-api/the-analysernode-interface/realtimeanalyser-fft-scaling.html.ini
@@ -1,4 +1,5 @@
 [realtimeanalyser-fft-scaling.html]
+  expected: TIMEOUT
   [X 2048-point FFT peak position is not equal to 64. Got 0.]
     expected: FAIL
 
diff --git a/tests/wpt/web-platform-tests/css/css-pseudo/marker-display-dynamic-001.html b/tests/wpt/web-platform-tests/css/css-pseudo/marker-display-dynamic-001.html
new file mode 100644
index 000000000000..c06da7ca8034
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-pseudo/marker-display-dynamic-001.html
@@ -0,0 +1,31 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>CSS Test: ::marker is created dynamically properly</title>
+<link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io">
+<link rel="author" title="Mozilla" href="https://mozilla.org">
+<link rel="match" href="marker-color-ref.html">
+<link rel="help" href="https://drafts.csswg.org/css-pseudo-4/#marker-pseudo">
+<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1538589">
+<style>
+li {
+  color: green;
+  font-size: 40px;
+  list-style-type: square;
+}
+::marker {
+  display: none;
+}
+.tweak::marker {
+  display: initial;
+}
+</style>
+<ol>
+    <li><!-- The list marker should be a green square.--></li>
+</ol>
+<script>
+  onload = function() {
+    let li = document.querySelector("li");
+    li.offsetTop;
+    li.classList.add("tweak");
+  }
+</script>
diff --git a/tests/wpt/web-platform-tests/webrtc/RTCPeerConnection-addIceCandidate.html b/tests/wpt/web-platform-tests/webrtc/RTCPeerConnection-addIceCandidate.html
index 51a5677699fd..3641252a13de 100644
--- a/tests/wpt/web-platform-tests/webrtc/RTCPeerConnection-addIceCandidate.html
+++ b/tests/wpt/web-platform-tests/webrtc/RTCPeerConnection-addIceCandidate.html
@@ -176,12 +176,15 @@
     t.add_cleanup(() => pc.close());
 
     await pc.setRemoteDescription(sessionDesc);
-    await pc.addIceCandidate({usernameFragment: usernameFragment1});
+    await pc.addIceCandidate({
+      usernameFragment: usernameFragment1,
+      sdpMid: sdpMid1
+    });
     assert_candidate_line_between(pc.remoteDescription.sdp,
       mediaLine1, endOfCandidateLine, mediaLine2);
     assert_false(is_candidate_line_after(pc.remoteDescription.sdp,
       mediaLine2, endOfCandidateLine));
-  }, 'addIceCandidate({usernameFragment: usernameFragment1}) should work, and add a=end-of-candidates to the first m-section');
+  }, 'addIceCandidate({usernameFragment: usernameFragment1, sdpMid: sdpMid1}) should work, and add a=end-of-candidates to the first m-section');
 
   promise_test(async t => {
     const pc = new RTCPeerConnection();
@@ -189,12 +192,15 @@
     t.add_cleanup(() => pc.close());
 
     await pc.setRemoteDescription(sessionDesc);
-    await pc.addIceCandidate({usernameFragment: usernameFragment2});
+    await pc.addIceCandidate({
+      usernameFragment: usernameFragment2,
+      sdpMLineIndex: 1
+    });
     assert_false(is_candidate_line_between(pc.remoteDescription.sdp,
       mediaLine1, endOfCandidateLine, mediaLine2));
     assert_true(is_candidate_line_after(pc.remoteDescription.sdp,
       mediaLine2, endOfCandidateLine));
-  }, 'addIceCandidate({usernameFragment: usernameFragment2}) should work, and add a=end-of-candidates to the first m-section');
+  }, 'addIceCandidate({usernameFragment: usernameFragment2, sdpMLineIndex: 1}) should work, and add a=end-of-candidates to the first m-section');
 
   promise_test(async t => {
     const pc = new RTCPeerConnection();
@@ -202,12 +208,9 @@
     t.add_cleanup(() => pc.close());
 
     await pc.setRemoteDescription(sessionDesc);
-    await pc.addIceCandidate({usernameFragment: "no such ufrag"});
-    assert_false(is_candidate_line_between(pc.remoteDescription.sdp,
-      mediaLine1, endOfCandidateLine, mediaLine2));
-    assert_false(is_candidate_line_after(pc.remoteDescription.sdp,
-      mediaLine2, endOfCandidateLine));
-  }, 'addIceCandidate({usernameFragment: "no such ufrag"}) should work, but not add a=end-of-candidates');
+    await promise_rejects(t, 'OperationError',
+      pc.addIceCandidate({usernameFragment: "no such ufrag"}));
+  }, 'addIceCandidate({usernameFragment: "no such ufrag"}) should not work');
 
   promise_test(t => {
     const pc = new RTCPeerConnection();
@@ -316,7 +319,7 @@
       candidate: candidateStr1,
       sdpMid: sdpMid1,
       sdpMLineIndex: sdpMLineIndex1,
-      ufrag: null
+      usernameFragment: null
     }))
     .then(() => {
       assert_candidate_line_between(pc.remoteDescription.sdp,
@@ -539,7 +542,7 @@
           candidate: candidateStr1,
           sdpMid: sdpMid1,
           sdpMLineIndex: sdpMLineIndex1,
-          ufrag: 'invalid'
+          usernameFragment: 'invalid'
         })));
   }, 'Add candidate with invalid usernameFragment should reject with OperationError');
 
@@ -578,7 +581,7 @@
           candidate: candidateStr2,
           sdpMid: sdpMid2,
           sdpMLineIndex: sdpMLineIndex2,
-          usernameFragement: usernameFragment1
+          usernameFragment: usernameFragment1
         })));
   }, 'Add candidate with sdpMid belonging to different usernameFragment should reject with OperationError');