diff --git a/package.json b/package.json
index 4a0405868b6..2814401b7f9 100644
--- a/package.json
+++ b/package.json
@@ -107,7 +107,7 @@
     "yazl": "^2.4.3"
   },
   "devDependencies": {
-    "@playwright/test": "^1.34.3",
+    "@playwright/test": "^1.37.1",
     "@swc/cli": "0.1.62",
     "@swc/core": "1.3.62",
     "@types/cookie": "^0.3.3",
diff --git a/src/vs/base/common/arrays.ts b/src/vs/base/common/arrays.ts
index 697eb769143..35b0620e7b2 100644
--- a/src/vs/base/common/arrays.ts
+++ b/src/vs/base/common/arrays.ts
@@ -613,7 +613,11 @@ export function insertInto<T>(array: T[], start: number, newItems: T[]): void {
  */
 export function splice<T>(array: T[], start: number, deleteCount: number, newItems: T[]): T[] {
 	const index = getActualStartIndex(array, start);
-	const result = array.splice(index, deleteCount);
+	let result = array.splice(index, deleteCount);
+	if (result === undefined) {
+		// see https://bugs.webkit.org/show_bug.cgi?id=261140
+		result = [];
+	}
 	insertInto(array, index, newItems);
 	return result;
 }
diff --git a/test/unit/browser/renderer.html b/test/unit/browser/renderer.html
index 45786072900..fe62a749a68 100644
--- a/test/unit/browser/renderer.html
+++ b/test/unit/browser/renderer.html
@@ -156,7 +156,7 @@
 		if (Array.isArray(modules) && modules.length > 0) {
 			console.log('MANUALLY running tests', modules);
 
-			loadAndRun(modules, true).then(() => console.log('done'), err => console.log(err));
+			loadAndRun({modules}, true).then(() => console.log('done'), err => console.log(err));
 		}
 	</script>
 </body>
diff --git a/yarn.lock b/yarn.lock
index e2a9ec02d7b..c49176e5cb6 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -682,13 +682,13 @@
     node-addon-api "^3.2.1"
     node-gyp-build "^4.3.0"
 
-"@playwright/test@^1.34.3":
-  version "1.34.3"
-  resolved "https://registry.yarnpkg.com/@playwright/test/-/test-1.34.3.tgz#d9f1ac3f1a09633b5ca5351c50c308bf802bde53"
-  integrity sha512-zPLef6w9P6T/iT6XDYG3mvGOqOyb6eHaV9XtkunYs0+OzxBtrPAAaHotc0X+PJ00WPPnLfFBTl7mf45Mn8DBmw==
+"@playwright/test@^1.37.1":
+  version "1.37.1"
+  resolved "https://registry.yarnpkg.com/@playwright/test/-/test-1.37.1.tgz#e7f44ae0faf1be52d6360c6bbf689fd0057d9b6f"
+  integrity sha512-bq9zTli3vWJo8S3LwB91U0qDNQDpEXnw7knhxLM0nwDvexQAwx9tO8iKDZSqqneVq+URd/WIoz+BALMqUTgdSg==
   dependencies:
     "@types/node" "*"
-    playwright-core "1.34.3"
+    playwright-core "1.37.1"
   optionalDependencies:
     fsevents "2.3.2"
 
@@ -7827,10 +7827,10 @@ playwright-core@1.32.2:
   resolved "https://registry.yarnpkg.com/playwright-core/-/playwright-core-1.32.2.tgz#608810c3c4486fb86a224732ac0d3560a96ded8b"
   integrity sha512-zD7aonO+07kOTthsrCR3YCVnDcqSHIJpdFUtZEMOb6//1Rc7/6mZDRdw+nlzcQiQltOOsiqI3rrSyn/SlyjnJQ==
 
-playwright-core@1.34.3:
-  version "1.34.3"
-  resolved "https://registry.yarnpkg.com/playwright-core/-/playwright-core-1.34.3.tgz#bc906ea1b26bb66116ce329436ee59ba2e78fe9f"
-  integrity sha512-2pWd6G7OHKemc5x1r1rp8aQcpvDh7goMBZlJv6Co5vCNLVcQJdhxRL09SGaY6HcyHH9aT4tiynZabMofVasBYw==
+playwright-core@1.37.1:
+  version "1.37.1"
+  resolved "https://registry.yarnpkg.com/playwright-core/-/playwright-core-1.37.1.tgz#cb517d52e2e8cb4fa71957639f1cd105d1683126"
+  integrity sha512-17EuQxlSIYCmEMwzMqusJ2ztDgJePjrbttaefgdsiqeLWidjYz9BxXaTaZWxH1J95SHGk6tjE+dwgWILJoUZfA==
 
 playwright@^1.29.2:
   version "1.30.0"