diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2268a6b..a9bcb47 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+## 2.9.3 - 2020-09-08
+
+This is a patch release that fixes DDC to handle a breaking change in Chrome
+(issue [#43193][]).
+
+[#43193]: https://github.com/dart-lang/sdk/issues/43193
+
 ## 2.9.2 - 2020-08-26
 
 This is a patch release that fixes transient StackOverflow exceptions when
diff --git a/sdk/lib/_internal/js_dev_runtime/private/ddc_runtime/runtime.dart b/sdk/lib/_internal/js_dev_runtime/private/ddc_runtime/runtime.dart
index 4867462..f07c4d8 100644
--- a/sdk/lib/_internal/js_dev_runtime/private/ddc_runtime/runtime.dart
+++ b/sdk/lib/_internal/js_dev_runtime/private/ddc_runtime/runtime.dart
@@ -77,7 +77,8 @@
     }
     if (typeof $window.MemoryInfo == "undefined") {
       if (typeof $window.performance.memory != "undefined") {
-        $window.MemoryInfo = $window.performance.memory.constructor;
+        $window.MemoryInfo = function () {};
+        $window.MemoryInfo.prototype = $window.performance.memory.__proto__;
       }
     }
     if (typeof $window.Geolocation == "undefined") {
diff --git a/tools/VERSION b/tools/VERSION
index ddf8dc5..827aff0 100644
--- a/tools/VERSION
+++ b/tools/VERSION
@@ -32,7 +32,7 @@
 CHANNEL stable
 MAJOR 2
 MINOR 9
-PATCH 2
+PATCH 3
 PRERELEASE 0
 PRERELEASE_PATCH 0
 ABI_VERSION 38