diff --git a/.github/workflows/health.yaml b/.github/workflows/health.yaml
index 177cef9d7..879fb726d 100644
--- a/.github/workflows/health.yaml
+++ b/.github/workflows/health.yaml
@@ -8,7 +8,9 @@ jobs:
   health:
     uses: dart-lang/ecosystem/.github/workflows/health.yaml@main
     with:
-      checks: "version,changelog,do-not-submit"
+      checks: "version,changelog,do-not-submit,breaking"
+      fail_on: "version,changelog,do-not-submit,breaking"
+      warn_on: "license,coverage,leaking"
       ignore_license: "**.g.dart"
       sdk: dev
     permissions:
diff --git a/_test/lib/app.dart b/_test/lib/app.dart
index 361b954ac..95079c455 100644
--- a/_test/lib/app.dart
+++ b/_test/lib/app.dart
@@ -4,8 +4,8 @@
 
 import 'package:web/web.dart';
 
-void startApp({String? text}) {
-  text ??= 'Hello World!';
+void startApp({required String text}) {
+  // text ??= 'Hello World!';
   var component = HTMLDivElement()..text = text;
   document.body!.append(component);
 }
diff --git a/_test/test/hello_world_deferred_test.dart b/_test/test/hello_world_deferred_test.dart
index ac61f9952..90515fa81 100644
--- a/_test/test/hello_world_deferred_test.dart
+++ b/_test/test/hello_world_deferred_test.dart
@@ -14,7 +14,7 @@ import 'package:web/web.dart';
 import 'common/message.dart' deferred as m;
 
 void main() {
-  setUp(startApp);
+  setUp(() => startApp(text: 'Hello World!'));
 
   tearDown(() {
     document.body!.innerHTML = ''.toJS;
diff --git a/_test/test/hello_world_test.dart b/_test/test/hello_world_test.dart
index 8023208ed..31c89d726 100644
--- a/_test/test/hello_world_test.dart
+++ b/_test/test/hello_world_test.dart
@@ -16,7 +16,7 @@ import 'package:web/web.dart';
 import 'common/message.dart';
 
 void main() {
-  setUp(startApp);
+  setUp(() => startApp(text: 'Hello World!'));
 
   tearDown(() {
     document.body!.innerHTML = ''.toJS;
diff --git a/build_web_compilers/CHANGELOG.md b/build_web_compilers/CHANGELOG.md
index f402849ca..99334dccd 100644
--- a/build_web_compilers/CHANGELOG.md
+++ b/build_web_compilers/CHANGELOG.md
@@ -1,3 +1,5 @@
+## 4.2.0
+
 ## 4.1.0-beta.1
 
 - Fix loading compiled modules from subdirectories.
diff --git a/build_web_compilers/lib/builders.dart b/build_web_compilers/lib/builders.dart
index efd5d7934..c530eb260 100644
--- a/build_web_compilers/lib/builders.dart
+++ b/build_web_compilers/lib/builders.dart
@@ -12,7 +12,7 @@ import 'src/sdk_js_compile_builder.dart';
 import 'src/sdk_js_copy_builder.dart';
 
 // Shared entrypoint builder
-Builder webEntrypointBuilder(BuilderOptions options) =>
+Object webEntrypointBuilder(BuilderOptions options) =>
     WebEntrypointBuilder.fromOptions(options);
 
 // Ddc related builders
diff --git a/build_web_compilers/pubspec.yaml b/build_web_compilers/pubspec.yaml
index 463b44383..e900e7683 100644
--- a/build_web_compilers/pubspec.yaml
+++ b/build_web_compilers/pubspec.yaml
@@ -1,5 +1,5 @@
 name: build_web_compilers
-version: 4.1.0-beta.1
+version: 4.2.0
 description: Builder implementations wrapping the dart2js and DDC compilers.
 repository: https://github.com/dart-lang/build/tree/master/build_web_compilers
 # This package can't be part of the workspace because it requires a very recent