diff --git a/third_party/blink/web_tests/TestExpectations b/third_party/blink/web_tests/TestExpectations
index b45603d3cf5fa..90cfd6ead35b7 100644
--- a/third_party/blink/web_tests/TestExpectations
+++ b/third_party/blink/web_tests/TestExpectations
@@ -3131,9 +3131,9 @@ crbug.com/626703 external/wpt/geolocation-API/enabled-by-feature-policy-attribut
 crbug.com/626703 external/wpt/geolocation-API/enabled-by-feature-policy-attribute.https.sub.html [ Timeout ]
 crbug.com/626703 external/wpt/geolocation-API/enabled-by-feature-policy.https.sub.html [ Timeout ]
 crbug.com/626703 external/wpt/geolocation-API/enabled-on-self-origin-by-feature-policy.https.sub.html [ Timeout ]
-crbug.com/626703 external/wpt/resource-timing/object-not-found-adds-entry.html [ Timeout Failure Pass ]
-crbug.com/1385265 virtual/plz-dedicated-worker/external/wpt/resource-timing/object-not-found-adds-entry.html [ Skip Failure Pass ]
-crbug.com/1385278 external/wpt/resource-timing/iframe-failed-commit.html [ Skip Failure Pass Timeout ]
+crbug.com/626703 external/wpt/resource-timing/object-not-found-adds-entry.html [ Failure Pass Timeout ]
+crbug.com/1385265 virtual/plz-dedicated-worker/external/wpt/resource-timing/object-not-found-adds-entry.html [ Failure Pass Skip ]
+crbug.com/1385278 external/wpt/resource-timing/iframe-failed-commit.html [ Failure Pass Skip Timeout ]
 crbug.com/626703 external/wpt/webrtc/RTCConfiguration-iceTransportPolicy.html [ Skip Timeout ]
 crbug.com/626703 [ Mac12 ] external/wpt/mediacapture-record/MediaRecorder-mimetype.html [ Failure Timeout ]
 crbug.com/626703 [ Mac10.14 ] virtual/portals/external/wpt/portals/no-portal-in-sandboxed-popup.html [ Timeout ]
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 9808fec237484..c16a21a23c7eb 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
@@ -6096,6 +6096,13 @@
         null,
         {}
        ]
+      ],
+      "commitStyles-svg-crash.html": [
+       "7fc1fef9ce27f673ecba0692e9819f47072751bd",
+       [
+        null,
+        {}
+       ]
       ]
      }
     }
@@ -278063,10 +278070,6 @@
       "top-layer-dialog-backdrop-ref.html": [
        "49c46974c9de23284852d302b57b0ad206158d0f",
        []
-      ],
-      "transition-style-change-event-002-expected.txt": [
-       "3b126fc6ba31c414db348249246bae0fdab850c4",
-       []
       ]
      },
      "content-visibility": {
@@ -318892,7 +318895,7 @@
       []
      ],
      "CSSKeyframesRule-expected.txt": [
-      "af8c374f31f50be75dbd4e6ebbf63121ef53103a",
+      "6f222f34264993417ae8259aa48637656b7e4cba",
       []
      ],
      "CSSKeyframesRule.html.ini": [
@@ -331812,18 +331815,6 @@
      "12cf0e36d35303a5936a5a1f0fba87083b219262",
      []
     ],
-    "FileSystemDirectoryHandle-removeEntry.https.any-expected.txt": [
-     "4abcb231b2ff49eff985b75f9aec9252d10b01e7",
-     []
-    ],
-    "FileSystemDirectoryHandle-removeEntry.https.any.js.ini": [
-     "d3bc3cb028d96448174be414bd333ecf0af97abd",
-     []
-    ],
-    "FileSystemDirectoryHandle-removeEntry.https.any.worker-expected.txt": [
-     "4abcb231b2ff49eff985b75f9aec9252d10b01e7",
-     []
-    ],
     "META.yml": [
      "23d7765cdfa39689ef72ae6a0beb15b8b4292ecd",
      []
@@ -331836,10 +331827,6 @@
      "8b99a0140dbfcc1293c19105437d37577fd373db",
      []
     ],
-    "idlharness.https.any.js.ini": [
-     "f05a88d7c65a7c3900d7a8652d069dc435762892",
-     []
-    ],
     "opaque-origin.https.window-expected.txt": [
      "a4f8b49db924c9948f821ab077cf58f3dcb0348b",
      []
@@ -331956,7 +331943,7 @@
       []
      ],
      "FileSystemDirectoryHandle-removeEntry.js": [
-      "108b9135f973faa0cec73bde4cb5e8749ca11f53",
+      "93b03ef6ade2b44b5160dc8e42494b46a63d295f",
       []
      ],
      "FileSystemDirectoryHandle-resolve.js": [
@@ -331984,11 +331971,11 @@
       []
      ],
      "FileSystemWritableFileStream-write.js": [
-      "70ba72f2245d39b414ecd5eac3e59b6ee9efddde",
+      "43c8ec7ca87d39cc96dea7b8557fac272bedafc4",
       []
      ],
      "FileSystemWritableFileStream.js": [
-      "d9c4f35335cd9493397d5c3cd2ded70191cea80f",
+      "53e4fc1f28e4aeddac44df7b0bd4b08ce7a7dccf",
       []
      ]
     }
@@ -445209,7 +445196,7 @@
       ]
      ],
      "CSSKeyframesRule.html": [
-      "7d91127d1e022c35aad79715488eab32d4a37a84",
+      "a1adac383f675c25ee6ac820b21ea0a45a37f4ce",
       [
        null,
        {}
@@ -528187,7 +528174,7 @@
        ]
       ],
       "popover-events.tentative.html": [
-       "2f530d1adea7410083e11823a21693f664361bff",
+       "78d4a22c78e7be447eb1ef007c2ee29e192919b3",
        [
         null,
         {}
diff --git a/third_party/blink/web_tests/external/wpt/css/cssom/CSSKeyframesRule-expected.txt b/third_party/blink/web_tests/external/wpt/css/cssom/CSSKeyframesRule-expected.txt
index af8c374f31f50..6f222f3426499 100644
--- a/third_party/blink/web_tests/external/wpt/css/cssom/CSSKeyframesRule-expected.txt
+++ b/third_party/blink/web_tests/external/wpt/css/cssom/CSSKeyframesRule-expected.txt
@@ -1,4 +1,5 @@
 This is a testharness.js-based test.
-FAIL CSSOM -  CSSKeyframesRule interface assert_equals: CSSKeyframesRule cssText attribute with CSS-wide keyword name expected "@keyframes\"initial\"{}" but got "@keyframesinitial{}"
+FAIL name, cssRules, appendRule, findRule, deleteRule assert_equals: CSSKeyframesRule cssText attribute with CSS-wide keyword name expected "@keyframes\"initial\"{}" but got "@keyframesinitial{}"
+FAIL indexed getter, length assert_equals: CSSKeyframesRule.length expected (number) 2 but got (undefined) undefined
 Harness: the test ran to completion.
 
diff --git a/third_party/blink/web_tests/external/wpt/css/cssom/CSSKeyframesRule.html b/third_party/blink/web_tests/external/wpt/css/cssom/CSSKeyframesRule.html
index 7d91127d1e022..a1adac383f675 100644
--- a/third_party/blink/web_tests/external/wpt/css/cssom/CSSKeyframesRule.html
+++ b/third_party/blink/web_tests/external/wpt/css/cssom/CSSKeyframesRule.html
@@ -12,6 +12,10 @@
             100% { top: 200px; }
         }
         @keyframes empty {}
+        @keyframes indexed-access {
+            0% { top: 0px; }
+            100% { top: 200px; }
+        }
     </style>
 
     <script>
@@ -68,7 +72,14 @@
         empty.name = "none";
         assert_equals(empty.name, "none", "CSSKeyframesRule name setter, 'none'");
         assert_equals(empty.cssText.replace(/\s/g, ""), "@keyframes\"none\"{}", "CSSKeyframesRule cssText attribute with 'none' name");
-    });
+    }, 'name, cssRules, appendRule, findRule, deleteRule');
+
+    test(function () {
+        const keyframes = document.styleSheets[0].cssRules[2];
+        assert_equals(keyframes[0].cssText, "0% { top: 0px; }", "CSSKeyframesRule indexed getter [0]");
+        assert_equals(keyframes[1].cssText, "100% { top: 200px; }", "CSSKeyframesRule indexed getter [1]");
+        assert_equals(keyframes.length, 2, "CSSKeyframesRule.length");
+    }, 'indexed getter, length');
     </script>
 </head>
 </html>