diff --git a/nightly/flutter_bootstrap.js b/nightly/flutter_bootstrap.js
index 4ee0811ac..e4d01dccd 100644
--- a/nightly/flutter_bootstrap.js
+++ b/nightly/flutter_bootstrap.js
@@ -11,6 +11,6 @@ _flutter.buildConfig = {"engineRevision":"82bd5b7209295a5b7ff8cae0df96e7870171e3
 
 _flutter.loader.load({
   serviceWorkerSettings: {
-    serviceWorkerVersion: "25989359"
+    serviceWorkerVersion: "4240505192"
   }
 });
diff --git a/nightly/flutter_service_worker.js b/nightly/flutter_service_worker.js
index 197de904d..ae8c5b71d 100644
--- a/nightly/flutter_service_worker.js
+++ b/nightly/flutter_service_worker.js
@@ -28,8 +28,8 @@ const RESOURCES = {"main.dart.js_266.part.js": "a13ecdc6c3c9a185d72ced48b012db5d
 "main.dart.js_258.part.js": "8ac6f044c1bf8aa345260b83bca49d76",
 "main.dart.js_212.part.js": "7e9da9beb1e688cb268127b4f1b7abb2",
 "main.dart.js_291.part.js": "4c19dbe1c65459fc96ed9d26bc3c0efd",
-"index.html": "6d1c204fa8e60cfb7088b64de5e005da",
-"/": "6d1c204fa8e60cfb7088b64de5e005da",
+"index.html": "bc10aa6087a134ebf6ac8e8253a26ed1",
+"/": "bc10aa6087a134ebf6ac8e8253a26ed1",
 "main.dart.js_246.part.js": "d2d7069c9706a6ee85f3e06eb30fe05f",
 "main.dart.js_190.part.js": "69dffa384636614a2d28d45396b1acc7",
 "assets/NOTICES": "d61ff676fcd42447f136b64287d177e8",
@@ -69,7 +69,7 @@ const RESOURCES = {"main.dart.js_266.part.js": "a13ecdc6c3c9a185d72ced48b012db5d
 "main.dart.js_273.part.js": "9c1cef0252d42c19852448728309ee45",
 "flutter.js": "4b2350e14c6650ba82871f60906437ea",
 "main.dart.js_279.part.js": "d71a0b2cc873de6fa1de0051f914cfe0",
-"main.dart.js": "b8f6b5327d220639e5dc04f3bbc20ca5",
+"main.dart.js": "d25e2e03026f642da403dae0716ad6ba",
 "main.dart.js_2.part.js": "288f6b21921ea2b87dc6b2085fec7ac1",
 "main.dart.js_278.part.js": "76701ad4b83d1ce7642cf151a0c41e4d",
 "main.dart.js_292.part.js": "8a13dd5f2d1cbbed53c9671d7b792fdb",
@@ -107,7 +107,7 @@ const RESOURCES = {"main.dart.js_266.part.js": "a13ecdc6c3c9a185d72ced48b012db5d
 "main.dart.js_201.part.js": "b9598adadbf53f2de7fae6f1fff619cf",
 "main.dart.js_1.part.js": "0a2ca0f49604b82585d6f83716186c42",
 "main.dart.js_261.part.js": "455ff74a64a380f73817da121dcf516f",
-"flutter_bootstrap.js": "39f7fa0b7697fea1a5d9cba5870f2419",
+"flutter_bootstrap.js": "8f6ba38bebc1202ebada025f435b9a04",
 "main.dart.js_15.part.js": "459ea0929d1ff89909df51b8f29cbde0",
 "main.dart.js_226.part.js": "ec88ba54f0a7d04588dc7af2980436f1"};
 // The application shell files that are downloaded before a service worker can
diff --git a/nightly/index.html b/nightly/index.html
index 426887144..a0c23a178 100644
--- a/nightly/index.html
+++ b/nightly/index.html
@@ -55,7 +55,7 @@ _flutter.buildConfig = {"engineRevision":"82bd5b7209295a5b7ff8cae0df96e7870171e3
 
       _flutter.loader.load({
         serviceWorker: {
-          serviceWorkerVersion: "25989359",
+          serviceWorkerVersion: "4240505192",
         },
       onEntrypointLoaded: function (engineInitializer) {
         engineInitializer.initializeEngine({ useColorEmoji: true }).then(function (appRunner) {
diff --git a/nightly/main.dart.js b/nightly/main.dart.js
index d3b78c667..802c20df3 100644
--- a/nightly/main.dart.js
+++ b/nightly/main.dart.js
@@ -214532,7 +214532,7 @@ B.jZ=A.a(s(["S","M","D","M","D","F","S"]),t.s)
 B.bZs=A.a(s(["EEEE, d 'de' MMMM 'de' y","d 'de' MMMM 'de' y","d MMM y","d/M/y"]),t.s)
 B.a0c=new A.o7("audioRecordingNumChannels",1,0,"audioRecordingNumChannels",t.bq)
 B.a0b=new A.o7("audioRecordingAutoGain",!0,1,"audioRecordingAutoGain",t.IC)
-B.a07=new A.o7("audioRecordingEchoCancel",!0,2,"audioRecordingEchoCancel",t.IC)
+B.a07=new A.o7("audioRecordingEchoCancel",!1,2,"audioRecordingEchoCancel",t.IC)
 B.a09=new A.o7("audioRecordingNoiseSuppress",!0,3,"audioRecordingNoiseSuppress",t.IC)
 B.a0a=new A.o7("audioRecordingBitRate",64e3,4,"audioRecordingBitRate",t.bq)
 B.a08=new A.o7("audioRecordingSamplingRate",44100,5,"audioRecordingSamplingRate",t.bq)