diff --git a/third_party/blink/web_tests/external/WPT_BASE_MANIFEST_8.json b/third_party/blink/web_tests/external/WPT_BASE_MANIFEST_8.json
index a893e85e7e1761..e19ed75d82072d 100644
--- a/third_party/blink/web_tests/external/WPT_BASE_MANIFEST_8.json
+++ b/third_party/blink/web_tests/external/WPT_BASE_MANIFEST_8.json
@@ -344742,6 +344742,34 @@
       "d2b92041b809f31419c6f5e929dfa5dd4b03bb50",
       []
      ],
+     "service-worker-fetch.https.window-expected.txt": [
+      "81f6d8aac3a8a7057b3b91cbcb1ff3b5b07eb774",
+      []
+     ],
+     "service-worker-update.https.window-expected.txt": [
+      "0aca19f20b483f0527a40e58c9aa507986c61365",
+      []
+     ],
+     "service-worker.https.window-expected.txt": [
+      "9f6d82c80281d637d51f1976ccbcc883448dbcf8",
+      []
+     ],
+     "shared-worker-fetch.https.window-expected.txt": [
+      "0dc5268932503b1922bc3e69b523c6d78d7c29b6",
+      []
+     ],
+     "shared-worker-fetch.window-expected.txt": [
+      "52b68beee5fb99fa3f008353283abec889ee2396",
+      []
+     ],
+     "shared-worker.https.window-expected.txt": [
+      "7acfd4c64f5339a5bc11a599d3d447bed545dd7f",
+      []
+     ],
+     "shared-worker.window-expected.txt": [
+      "8718ffde7bc70a2802ec04ecd5c1e3b42e0dca32",
+      []
+     ],
      "shared-worker.window.js.ini": [
       "afa6f4c187dca0da3e32d890dbc0286982f480b3",
       []
@@ -358537,7 +358565,13 @@
        "document-base-url-initiated-grand-parent.https.window.js.ini": [
         "af28c41df64b3dbe2983d474b229003bd6c9d40c",
         []
-       ]
+       ],
+       "resources": {
+        "send-back-base-url.html": [
+         "6fdf81d1db76a752283a740a45b79461aaae071a",
+         []
+        ]
+       }
       }
      }
     },
@@ -379525,7 +379559,7 @@
       []
      ],
      "nested-contexts.js": [
-      "c0822943e86a68f43d003e03166fbc987014946e",
+      "31337ae5da2e181df178fa881bb38c3f394580b1",
       []
      ],
      "nested.css": [
@@ -388292,6 +388326,24 @@
      ]
     }
    },
+   "top-level-storage-access-api": {
+    "README.md": [
+     "31a32b8033e3e3d3b2c6f9a04230b76186fbc1c3",
+     []
+    ],
+    "tentative": {
+     "requestStorageAccessForOrigin.sub.window.js.ini": [
+      "108b503429ef94f2b40b6f5a8f3e5db51b410fec",
+      []
+     ],
+     "resources": {
+      "requestStorageAccessForOrigin-iframe.html": [
+       "3e2f6d5b6288993714f3ee56ae89631e03d563b9",
+       []
+      ]
+     }
+    }
+   },
    "touch-events": {
     "DIR_METADATA": [
      "71b1a71b1fc10f62a9c9b29c86269a4b75f64892",
@@ -449117,7 +449169,7 @@
     },
     "css-nesting": {
      "cssom.html": [
-      "c7150cec5db459824e22d2ae445a62db6a484684",
+      "987c31103677ca662b8d2e2c2d14a542a155103a",
       [
        null,
        {}
@@ -469717,6 +469769,15 @@
       {}
      ]
     ],
+    "requires-width-and-height-to-both-be-specified.https.html": [
+     "0c707c668e9980901a2250ccb28042eb40c86f8c",
+     [
+      null,
+      {
+       "testdriver": true
+      }
+     ]
+    ],
     "returns-window-with-document.https.html": [
      "a1d7363e54bdc5fbc04a6ad6e0aad30b552ea8d7",
      [
@@ -538526,6 +538587,20 @@
          {}
         ]
        ],
+       "document-base-url-changes-after-nav-about-srcdoc.https.window.js": [
+        "897647a45e1f41a2b3d1eae16a2fa1b6631e0da1",
+        [
+         "html/infrastructure/urls/terminology-0/document-base-url-changes-after-nav-about-srcdoc.https.window.html",
+         {
+          "script_metadata": [
+           [
+            "script",
+            "/common/get-host-info.sub.js"
+           ]
+          ]
+         }
+        ]
+       ],
        "document-base-url-initiated-grand-parent.https.window.js": [
         "1983f02c267837a9152f94d91bdbde4b1c3add6d",
         [
@@ -568204,6 +568279,13 @@
         {}
        ]
       ],
+      "mixed-content-cors.https.sub.html": [
+       "eb7b443df39bbca15767df3ad474a4375d5ab429",
+       [
+        null,
+        {}
+       ]
+      ],
       "video-upgrade.https.sub.html": [
        "ea2d07309c06af5d56e5553ed7a3f9a9a80bca8f",
        [
@@ -593306,7 +593388,7 @@
       ]
      ],
      "scroll-timeline-shorthand.tentative.html": [
-      "b74113a52a20819f2e10d00abc8706128e072e21",
+      "24597b91e2f1d2b4b224e02b998436d4da1667a6",
       [
        null,
        {}
@@ -610748,6 +610830,32 @@
      ]
     ]
    },
+   "top-level-storage-access-api": {
+    "tentative": {
+     "requestStorageAccessForOrigin.sub.window.js": [
+      "f7dd478a7078673643d91fece6f64bf0148c7ec6",
+      [
+       "top-level-storage-access-api/tentative/requestStorageAccessForOrigin.sub.window.html",
+       {
+        "script_metadata": [
+         [
+          "script",
+          "/storage-access-api/helpers.js"
+         ],
+         [
+          "script",
+          "/resources/testdriver.js"
+         ],
+         [
+          "script",
+          "/resources/testdriver-vendor.js"
+         ]
+        ]
+       }
+      ]
+     ]
+    }
+   },
    "touch-events": {
     "expose-legacy-touch-event-apis.html": [
      "2dab74dccd60f3b737a7a57362e28aac85a6cbd3",
diff --git a/third_party/blink/web_tests/external/wpt/mixed-content/tentative/autoupgrades/mixed-content-cors.https.sub.html b/third_party/blink/web_tests/external/wpt/mixed-content/tentative/autoupgrades/mixed-content-cors.https.sub.html
new file mode 100644
index 00000000000000..eb7b443df39bbc
--- /dev/null
+++ b/third_party/blink/web_tests/external/wpt/mixed-content/tentative/autoupgrades/mixed-content-cors.https.sub.html
@@ -0,0 +1,84 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <title>Test mixed content autoupgrade behavior for CORS request</title>
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/get-host-info.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      // Test that request with CORS get upgraded for audio elements
+      async_test(
+        (t) => assert_other_host_audio_loads(t),
+        "Cross-Origin audio should get upgraded even if CORS is set"
+      );
+
+      function assert_other_host_audio_loads(test) {
+        // Since autoupgrades don't upgrade custom ports, we use the https port with an HTTP scheme. A successful autoupgrade will result in the right URL loading (and no autoupgrade will result in failure).
+        var otherHost = get_host_info().HTTP_NOTSAMESITE_ORIGIN.slice(0, -4); // cut of http port
+        var url =
+          otherHost +
+          "{{ports[https][0]}}/mixed-content/tentative/resources/test.wav?pipe=header(Access-Control-Allow-Origin,*)";
+        var i = document.createElement("audio");
+        i.oncanplaythrough = test.step_func_done((_) => {
+          assert_equals(i.duration, 1, "Length of other host audio is correct");
+        });
+        i.onerror = test.unreached_func(
+          "Audio of other host should load successfully from " + url
+        );
+        i.crossOrigin = "anonymous";
+        i.src = url;
+      }
+
+      // Test that request with CORS get upgraded for image elements
+      async_test(
+        (t) => assert_other_host_image_loads(t),
+        "Cross-Origin image should get upgraded even if CORS is set"
+      );
+
+      function assert_other_host_image_loads(test) {
+        // Since autoupgrades don't upgrade custom ports, we use the https port with an HTTP scheme. A successful autoupgrade will result in the right URL loading (and no autoupgrade will result in failure).
+        var otherHost = get_host_info().HTTP_NOTSAMESITE_ORIGIN.slice(0, -4); // cut of http port
+        var url = new URL(
+          otherHost +
+            "{{ports[https][0]}}/mixed-content/tentative/resources/pass.png?pipe=header(Access-Control-Allow-Origin,*)"
+        );
+        var i = document.createElement("img");
+        i.onload = test.step_func_done((_) => {
+          assert_equals(i.naturalHeight, 64, "Height.");
+          assert_equals(i.naturalWidth, 168, "Width.");
+        });
+        i.crossOrigin = "anonymous";
+        i.onerror = test.unreached_func(
+          "image of other host should load successfully from " + url
+        );
+        i.src = url;
+      }
+
+      // Test that request with CORS get upgraded for video elements
+      async_test(
+        (t) => assert_other_host_video_loads(t),
+        "Cross-Origin video should get upgraded even if CORS is set"
+      );
+
+      function assert_other_host_video_loads(test) {
+        // Since autoupgrades don't upgrade custom ports, we use the https port with an HTTP scheme. A successful autoupgrade will result in the right URL loading (and no autoupgrade will result in failure).
+        var otherHost = get_host_info().HTTP_NOTSAMESITE_ORIGIN.slice(0, -4); // cut of http port
+        var url = new URL(
+          otherHost +
+            "{{ports[https][0]}}/mixed-content/tentative/resources/test.ogv?pipe=header(Access-Control-Allow-Origin,*)"
+        );
+        var i = document.createElement("video");
+        i.oncanplaythrough = test.step_func_done((_) => {
+          assert_equals(Math.floor(i.duration), 300, "Length. Other host");
+        });
+        i.crossOrigin = "anonymous";
+        i.onerror = test.unreached_func(
+          "Video of other host should load successfully from " + url
+        );
+        i.src = url;
+      }
+    </script>
+  </body>
+</html>
diff --git a/third_party/blink/web_tests/external/wpt/scroll-animations/css/scroll-timeline-shorthand.tentative.html b/third_party/blink/web_tests/external/wpt/scroll-animations/css/scroll-timeline-shorthand.tentative.html
index b74113a52a2081..24597b91e2f1d2 100644
--- a/third_party/blink/web_tests/external/wpt/scroll-animations/css/scroll-timeline-shorthand.tentative.html
+++ b/third_party/blink/web_tests/external/wpt/scroll-animations/css/scroll-timeline-shorthand.tentative.html
@@ -1,6 +1,5 @@
 <!DOCTYPE html>
-<link rel="help" href="https://github.com/w3c/csswg-drafts/issues/6674">
-<link rel="help" href="https://drafts.csswg.org/scroll-animations-1/rewrite#scroll-timeline-axis">
+<link rel="help" href="https://drafts.csswg.org/scroll-animations-1/#scroll-timeline-shorthand">
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
 <script src="/css/support/computed-testcommon.js"></script>
@@ -13,26 +12,38 @@
 test_valid_value('scroll-timeline', 'abc horizontal');
 test_valid_value('scroll-timeline', 'abc inline');
 test_valid_value('scroll-timeline', 'aBc inline');
-test_valid_value('scroll-timeline', 'none vertical');
 test_valid_value('scroll-timeline', 'inline inline');
 test_valid_value('scroll-timeline', 'abc');
-test_valid_value('scroll-timeline', 'inline');
-test_valid_value('view-timeline', 'a, b, c');
-test_valid_value('view-timeline', 'a inline, b block, c vertical', 'a inline, b, c vertical');
+
+test_valid_value('scroll-timeline', 'inline block', 'inline');
+test_valid_value('scroll-timeline', 'block block', 'block');
+test_valid_value('scroll-timeline', 'vertical block', 'vertical');
+test_valid_value('scroll-timeline', 'horizontal block', 'horizontal');
+
+test_valid_value('scroll-timeline', 'a, b, c');
+test_valid_value('scroll-timeline', 'a inline, b block, c vertical', 'a inline, b, c vertical');
+test_valid_value('scroll-timeline', 'auto');
 
 test_invalid_value('scroll-timeline', '');
 test_invalid_value('scroll-timeline', 'abc abc');
-test_invalid_value('view-timeline', ',');
-test_invalid_value('view-timeline', ',,block,,');
+test_invalid_value('scroll-timeline', 'block none');
+test_invalid_value('scroll-timeline', 'inline abc');
+test_invalid_value('scroll-timeline', 'default');
+test_invalid_value('scroll-timeline', ',');
+test_invalid_value('scroll-timeline', ',,block,,');
 
 test_computed_value('scroll-timeline', 'none block', 'none');
 test_computed_value('scroll-timeline', 'abc inline');
-test_computed_value('scroll-timeline', 'none vertical', 'none vertical');
+test_computed_value('scroll-timeline', 'none vertical');
 test_computed_value('scroll-timeline', 'abc horizontal');
 test_computed_value('scroll-timeline', 'vertical vertical');
 test_computed_value('scroll-timeline', 'abc');
-test_computed_value('view-timeline', 'a, b, c');
-test_computed_value('view-timeline', 'a inline, b block, c vertical', 'a inline, b, c vertical');
+test_computed_value('scroll-timeline', 'inline block', 'inline');
+test_computed_value('scroll-timeline', 'block block', 'block');
+test_computed_value('scroll-timeline', 'vertical block', 'vertical');
+test_computed_value('scroll-timeline', 'horizontal block', 'horizontal');
+test_computed_value('scroll-timeline', 'a, b, c');
+test_computed_value('scroll-timeline', 'a inline, b block, c vertical', 'a inline, b, c vertical');
 
 test_shorthand_value('scroll-timeline', 'abc vertical',
 {
@@ -54,4 +65,45 @@
   'scroll-timeline-name': 'abc, def',
   'scroll-timeline-axis': 'block, block',
 });
+
+function test_shorthand_contraction(shorthand, longhands, expected) {
+  let longhands_fmt = Object.entries(longhands).map((e) => `${e[0]}:${e[1]}`).join(';');
+  test((t) => {
+    t.add_cleanup(() => {
+      for (let shorthand of Object.keys(longhands))
+        target.style.removeProperty(shorthand);
+    });
+    for (let [shorthand, value] of Object.entries(longhands))
+      target.style.setProperty(shorthand, value);
+    assert_equals(target.style.getPropertyValue(shorthand), expected, 'Declared value');
+    assert_equals(getComputedStyle(target).getPropertyValue(shorthand), expected, 'Computed value');
+  }, `Shorthand contraction of ${longhands_fmt}`);
+}
+
+test_shorthand_contraction('scroll-timeline', {
+  'scroll-timeline-name': 'abc',
+  'scroll-timeline-axis': 'inline',
+}, 'abc inline');
+
+test_shorthand_contraction('scroll-timeline', {
+  'scroll-timeline-name': 'a, b',
+  'scroll-timeline-axis': 'inline, block',
+}, 'a inline, b');
+
+test_shorthand_contraction('scroll-timeline', {
+  'scroll-timeline-name': 'none, none',
+  'scroll-timeline-axis': 'block, block',
+}, 'none, none');
+
+// Longhands with different lengths:
+
+test_shorthand_contraction('scroll-timeline', {
+  'scroll-timeline-name': 'a, b, c',
+  'scroll-timeline-axis': 'inline, inline',
+}, '');
+
+test_shorthand_contraction('scroll-timeline', {
+  'scroll-timeline-name': 'a, b',
+  'scroll-timeline-axis': 'inline, inline, inline',
+}, '');
 </script>
diff --git a/third_party/blink/web_tests/external/wpt/top-level-storage-access-api/tentative/requestStorageAccessForOrigin.sub.window.js b/third_party/blink/web_tests/external/wpt/top-level-storage-access-api/tentative/requestStorageAccessForOrigin.sub.window.js
index c6aa7e0209fc49..f7dd478a707867 100644
--- a/third_party/blink/web_tests/external/wpt/top-level-storage-access-api/tentative/requestStorageAccessForOrigin.sub.window.js
+++ b/third_party/blink/web_tests/external/wpt/top-level-storage-access-api/tentative/requestStorageAccessForOrigin.sub.window.js
@@ -4,7 +4,7 @@
 'use strict';
 
 // Note that this file follows the pattern in:
-// third_party/blink/web_tests/external/wpt/storage-access-api/requestStorageAccess.sub.window.js
+// storage-access-api/requestStorageAccess.sub.window.js
 //
 // Some tests are run at the top-level, and an iframe is added to validate API
 // behavior in that context.