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 1d1e39dadfca1..1e2d0f3537cf4 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
@@ -5080,6 +5080,15 @@
          {}
         ]
        ]
+      },
+      "the-textarea-element": {
+       "textarea-splittext-with-range-crash.html": [
+        "9d66a4ae05cccd10bdd851205f6312f3cedd28dd",
+        [
+         null,
+         {}
+        ]
+       ]
       }
      },
      "interactive-elements": {
@@ -630787,7 +630796,7 @@
      ]
     ],
     "RTCPeerConnection-relay-canvas.https.html": [
-     "7c3c92bc8de40f608417663844329ed19f61cea0",
+     "78df2ee82d623403f2a627b99c43051a99c96edb",
      [
       null,
       {
diff --git a/third_party/blink/web_tests/external/wpt/html/semantics/forms/the-textarea-element/textarea-splittext-with-range-crash.html b/third_party/blink/web_tests/external/wpt/html/semantics/forms/the-textarea-element/textarea-splittext-with-range-crash.html
new file mode 100644
index 0000000000000..9d66a4ae05ccc
--- /dev/null
+++ b/third_party/blink/web_tests/external/wpt/html/semantics/forms/the-textarea-element/textarea-splittext-with-range-crash.html
@@ -0,0 +1,24 @@
+<!doctype html>
+<html>
+<head>
+<meta charset="utf-8">
+<script>
+addEventListener("load", () => {
+  const textarea = document.querySelector("textarea");
+  const ul = document.createElement('ul');
+
+  const textNodeInTextarea = document.createTextNode("");
+  textarea.appendChild(textNodeInTextarea);
+  document.documentElement.getBoundingClientRect();
+
+  textarea.appendChild(ul);
+  const range = document.createRange();
+  range.selectNode(ul);
+
+  textNodeInTextarea.data = "ab";
+  textNodeInTextarea.splitText(1);
+});
+</script>
+</head>
+<body><textarea></textarea></body>
+</html>
diff --git a/third_party/blink/web_tests/external/wpt/webrtc/RTCPeerConnection-relay-canvas.https.html b/third_party/blink/web_tests/external/wpt/webrtc/RTCPeerConnection-relay-canvas.https.html
index 7c3c92bc8de40..78df2ee82d623 100644
--- a/third_party/blink/web_tests/external/wpt/webrtc/RTCPeerConnection-relay-canvas.https.html
+++ b/third_party/blink/web_tests/external/wpt/webrtc/RTCPeerConnection-relay-canvas.https.html
@@ -14,7 +14,7 @@
   const canvas =
       Object.assign(document.createElement('canvas'), {width, height});
   const ctx = canvas.getContext('webgl');
-  if (ctx === null) return;
+  assert_not_equals(ctx, null, "webgl is a prerequisite for this test");
   requestAnimationFrame(function draw () {
     ctx.clearColor(0.0, 1.0, 0.0, 1.0);
     ctx.clear(ctx.COLOR_BUFFER_BIT);
