diff --git a/build_daemon/CHANGELOG.md b/build_daemon/CHANGELOG.md
index d5b600b7c..a42590368 100644
--- a/build_daemon/CHANGELOG.md
+++ b/build_daemon/CHANGELOG.md
@@ -1,5 +1,7 @@
-## 3.0.3-dev
+## 3.1.0-dev
 
+- Add `BuildResults.changedAssets` containing asset URIs changed during a
+  build.
 - Updated the example to use `dart pub` instead of `pub`.
 
 ## 3.0.2
diff --git a/build_daemon/lib/data/build_status.dart b/build_daemon/lib/data/build_status.dart
index fbbf8391b..35ab6e663 100644
--- a/build_daemon/lib/data/build_status.dart
+++ b/build_daemon/lib/data/build_status.dart
@@ -6,6 +6,8 @@ import 'package:built_collection/built_collection.dart';
 import 'package:built_value/built_value.dart';
 import 'package:built_value/serializer.dart';
 
+import 'build_target.dart';
+
 part 'build_status.g.dart';
 
 class BuildStatus extends EnumClass {
@@ -59,4 +61,16 @@ abstract class BuildResults
   BuildResults._();
 
   BuiltList<BuildResult> get results;
+
+  /// A list of asset URIs that were modified since the last build.
+  ///
+  /// This includes both sources that were updated and affected generated assets
+  /// that were rebuilt.
+  ///
+  /// To avoid communication overhead for clients not interested in this field,
+  /// it is not set by default. To enable it, register at least one target with
+  /// [DefaultBuildTarget.reportChangedAssets].
+  /// However, build implementations can unconditionally set this field as it
+  /// is stripped out in the daemon server implementation.
+  BuiltList<Uri>? get changedAssets;
 }
diff --git a/build_daemon/lib/data/build_status.g.dart b/build_daemon/lib/data/build_status.g.dart
index efe08e3f6..6245cd03a 100644
--- a/build_daemon/lib/data/build_status.g.dart
+++ b/build_daemon/lib/data/build_status.g.dart
@@ -151,7 +151,15 @@ class _$BuildResultsSerializer implements StructuredSerializer<BuildResults> {
           specifiedType:
               const FullType(BuiltList, const [const FullType(BuildResult)])),
     ];
-
+    Object? value;
+    value = object.changedAssets;
+    if (value != null) {
+      result
+        ..add('changedAssets')
+        ..add(serializers.serialize(value,
+            specifiedType:
+                const FullType(BuiltList, const [const FullType(Uri)])));
+    }
     return result;
   }
 
@@ -173,6 +181,12 @@ class _$BuildResultsSerializer implements StructuredSerializer<BuildResults> {
                       BuiltList, const [const FullType(BuildResult)]))!
               as BuiltList<Object?>);
           break;
+        case 'changedAssets':
+          result.changedAssets.replace(serializers.deserialize(value,
+                  specifiedType:
+                      const FullType(BuiltList, const [const FullType(Uri)]))!
+              as BuiltList<Object?>);
+          break;
       }
     }
 
@@ -320,11 +334,13 @@ class DefaultBuildResultBuilder
 class _$BuildResults extends BuildResults {
   @override
   final BuiltList<BuildResult> results;
+  @override
+  final BuiltList<Uri>? changedAssets;
 
   factory _$BuildResults([void Function(BuildResultsBuilder)? updates]) =>
       (new BuildResultsBuilder()..update(updates)).build();
 
-  _$BuildResults._({required this.results}) : super._() {
+  _$BuildResults._({required this.results, this.changedAssets}) : super._() {
     BuiltValueNullFieldError.checkNotNull(results, 'BuildResults', 'results');
   }
 
@@ -338,18 +354,21 @@ class _$BuildResults extends BuildResults {
   @override
   bool operator ==(Object other) {
     if (identical(other, this)) return true;
-    return other is BuildResults && results == other.results;
+    return other is BuildResults &&
+        results == other.results &&
+        changedAssets == other.changedAssets;
   }
 
   @override
   int get hashCode {
-    return $jf($jc(0, results.hashCode));
+    return $jf($jc($jc(0, results.hashCode), changedAssets.hashCode));
   }
 
   @override
   String toString() {
     return (newBuiltValueToStringHelper('BuildResults')
-          ..add('results', results))
+          ..add('results', results)
+          ..add('changedAssets', changedAssets))
         .toString();
   }
 }
@@ -363,12 +382,19 @@ class BuildResultsBuilder
       _$this._results ??= new ListBuilder<BuildResult>();
   set results(ListBuilder<BuildResult>? results) => _$this._results = results;
 
+  ListBuilder<Uri>? _changedAssets;
+  ListBuilder<Uri> get changedAssets =>
+      _$this._changedAssets ??= new ListBuilder<Uri>();
+  set changedAssets(ListBuilder<Uri>? changedAssets) =>
+      _$this._changedAssets = changedAssets;
+
   BuildResultsBuilder();
 
   BuildResultsBuilder get _$this {
     final $v = _$v;
     if ($v != null) {
       _results = $v.results.toBuilder();
+      _changedAssets = $v.changedAssets?.toBuilder();
       _$v = null;
     }
     return this;
@@ -389,12 +415,16 @@ class BuildResultsBuilder
   _$BuildResults build() {
     _$BuildResults _$result;
     try {
-      _$result = _$v ?? new _$BuildResults._(results: results.build());
+      _$result = _$v ??
+          new _$BuildResults._(
+              results: results.build(), changedAssets: _changedAssets?.build());
     } catch (_) {
       late String _$failedField;
       try {
         _$failedField = 'results';
         results.build();
+        _$failedField = 'changedAssets';
+        _changedAssets?.build();
       } catch (e) {
         throw new BuiltValueNestedFieldError(
             'BuildResults', _$failedField, e.toString());
diff --git a/build_daemon/lib/data/build_target.dart b/build_daemon/lib/data/build_target.dart
index 779b84787..7544e9242 100644
--- a/build_daemon/lib/data/build_target.dart
+++ b/build_daemon/lib/data/build_target.dart
@@ -2,6 +2,8 @@ import 'package:built_collection/built_collection.dart';
 import 'package:built_value/built_value.dart';
 import 'package:built_value/serializer.dart';
 
+import 'build_status.dart';
+
 part 'build_target.g.dart';
 
 /// The string representation of a build target, e.g. folder path.
@@ -16,6 +18,10 @@ abstract class DefaultBuildTarget
   static Serializer<DefaultBuildTarget> get serializer =>
       _$defaultBuildTargetSerializer;
 
+  @BuiltValueHook(initializeBuilder: true)
+  static void _setDefaults(DefaultBuildTargetBuilder b) =>
+      b.reportChangedAssets = false;
+
   factory DefaultBuildTarget([void Function(DefaultBuildTargetBuilder) b]) =
       _$DefaultBuildTarget;
 
@@ -38,6 +44,13 @@ abstract class DefaultBuildTarget
   /// - package:*/**
   /// - $target/**
   BuiltSet<String>? get buildFilters;
+
+  /// Whether the [BuildResults] events emitted for this target should report a
+  /// list of assets invalidated in a build.
+  ///
+  /// This defaults to `false` to reduce the serialization overhead when this
+  /// information is not required.
+  bool get reportChangedAssets;
 }
 
 /// The location to write the build outputs.
diff --git a/build_daemon/lib/data/build_target.g.dart b/build_daemon/lib/data/build_target.g.dart
index c60f4248a..10cec22ed 100644
--- a/build_daemon/lib/data/build_target.g.dart
+++ b/build_daemon/lib/data/build_target.g.dart
@@ -27,6 +27,9 @@ class _$DefaultBuildTargetSerializer
       serializers.serialize(object.blackListPatterns,
           specifiedType:
               const FullType(BuiltSet, const [const FullType(RegExp)])),
+      'reportChangedAssets',
+      serializers.serialize(object.reportChangedAssets,
+          specifiedType: const FullType(bool)),
       'target',
       serializers.serialize(object.target,
           specifiedType: const FullType(String)),
@@ -79,6 +82,10 @@ class _$DefaultBuildTargetSerializer
                       const FullType(BuiltSet, const [const FullType(String)]))!
               as BuiltSet<Object?>);
           break;
+        case 'reportChangedAssets':
+          result.reportChangedAssets = serializers.deserialize(value,
+              specifiedType: const FullType(bool)) as bool;
+          break;
         case 'target':
           result.target = serializers.deserialize(value,
               specifiedType: const FullType(String)) as String;
@@ -153,6 +160,8 @@ class _$DefaultBuildTarget extends DefaultBuildTarget {
   @override
   final BuiltSet<String>? buildFilters;
   @override
+  final bool reportChangedAssets;
+  @override
   final String target;
 
   factory _$DefaultBuildTarget(
@@ -163,10 +172,13 @@ class _$DefaultBuildTarget extends DefaultBuildTarget {
       {required this.blackListPatterns,
       this.outputLocation,
       this.buildFilters,
+      required this.reportChangedAssets,
       required this.target})
       : super._() {
     BuiltValueNullFieldError.checkNotNull(
         blackListPatterns, 'DefaultBuildTarget', 'blackListPatterns');
+    BuiltValueNullFieldError.checkNotNull(
+        reportChangedAssets, 'DefaultBuildTarget', 'reportChangedAssets');
     BuiltValueNullFieldError.checkNotNull(
         target, 'DefaultBuildTarget', 'target');
   }
@@ -187,14 +199,19 @@ class _$DefaultBuildTarget extends DefaultBuildTarget {
         blackListPatterns == other.blackListPatterns &&
         outputLocation == other.outputLocation &&
         buildFilters == other.buildFilters &&
+        reportChangedAssets == other.reportChangedAssets &&
         target == other.target;
   }
 
   @override
   int get hashCode {
     return $jf($jc(
-        $jc($jc($jc(0, blackListPatterns.hashCode), outputLocation.hashCode),
-            buildFilters.hashCode),
+        $jc(
+            $jc(
+                $jc($jc(0, blackListPatterns.hashCode),
+                    outputLocation.hashCode),
+                buildFilters.hashCode),
+            reportChangedAssets.hashCode),
         target.hashCode));
   }
 
@@ -204,6 +221,7 @@ class _$DefaultBuildTarget extends DefaultBuildTarget {
           ..add('blackListPatterns', blackListPatterns)
           ..add('outputLocation', outputLocation)
           ..add('buildFilters', buildFilters)
+          ..add('reportChangedAssets', reportChangedAssets)
           ..add('target', target))
         .toString();
   }
@@ -231,11 +249,18 @@ class DefaultBuildTargetBuilder
   set buildFilters(SetBuilder<String>? buildFilters) =>
       _$this._buildFilters = buildFilters;
 
+  bool? _reportChangedAssets;
+  bool? get reportChangedAssets => _$this._reportChangedAssets;
+  set reportChangedAssets(bool? reportChangedAssets) =>
+      _$this._reportChangedAssets = reportChangedAssets;
+
   String? _target;
   String? get target => _$this._target;
   set target(String? target) => _$this._target = target;
 
-  DefaultBuildTargetBuilder();
+  DefaultBuildTargetBuilder() {
+    DefaultBuildTarget._setDefaults(this);
+  }
 
   DefaultBuildTargetBuilder get _$this {
     final $v = _$v;
@@ -243,6 +268,7 @@ class DefaultBuildTargetBuilder
       _blackListPatterns = $v.blackListPatterns.toBuilder();
       _outputLocation = $v.outputLocation?.toBuilder();
       _buildFilters = $v.buildFilters?.toBuilder();
+      _reportChangedAssets = $v.reportChangedAssets;
       _target = $v.target;
       _$v = null;
     }
@@ -269,6 +295,10 @@ class DefaultBuildTargetBuilder
               blackListPatterns: blackListPatterns.build(),
               outputLocation: _outputLocation?.build(),
               buildFilters: _buildFilters?.build(),
+              reportChangedAssets: BuiltValueNullFieldError.checkNotNull(
+                  reportChangedAssets,
+                  'DefaultBuildTarget',
+                  'reportChangedAssets'),
               target: BuiltValueNullFieldError.checkNotNull(
                   target, 'DefaultBuildTarget', 'target'));
     } catch (_) {
diff --git a/build_daemon/lib/data/serializers.g.dart b/build_daemon/lib/data/serializers.g.dart
index e2eb74a32..9bc79ae17 100644
--- a/build_daemon/lib/data/serializers.g.dart
+++ b/build_daemon/lib/data/serializers.g.dart
@@ -20,6 +20,9 @@ Serializers _$serializers = (new Serializers().toBuilder()
       ..addBuilderFactory(
           const FullType(BuiltList, const [const FullType(BuildResult)]),
           () => new ListBuilder<BuildResult>())
+      ..addBuilderFactory(
+          const FullType(BuiltList, const [const FullType(Uri)]),
+          () => new ListBuilder<Uri>())
       ..addBuilderFactory(
           const FullType(BuiltSet, const [const FullType(RegExp)]),
           () => new SetBuilder<RegExp>())
diff --git a/build_daemon/lib/src/fakes/fake_test_builder.dart b/build_daemon/lib/src/fakes/fake_test_builder.dart
index f386b31fa..e4d79cc4a 100644
--- a/build_daemon/lib/src/fakes/fake_test_builder.dart
+++ b/build_daemon/lib/src/fakes/fake_test_builder.dart
@@ -15,6 +15,8 @@ class FakeTestDaemonBuilder implements DaemonBuilder {
   static final buildCompletedMessage = 'Build Completed';
 
   final _outputStreamController = StreamController<ServerLog>();
+  final _buildsController = StreamController<BuildResults>.broadcast();
+
   late final Stream<ServerLog> _logs;
 
   FakeTestDaemonBuilder() {
@@ -22,7 +24,7 @@ class FakeTestDaemonBuilder implements DaemonBuilder {
   }
 
   @override
-  Stream<BuildResults> get builds => Stream.empty();
+  Stream<BuildResults> get builds => _buildsController.stream;
 
   @override
   Stream<ServerLog> get logs => _logs;
@@ -34,8 +36,16 @@ class FakeTestDaemonBuilder implements DaemonBuilder {
       ..loggerName = loggerName
       ..level = Level.INFO
       ..message = buildCompletedMessage));
+
+    _buildsController.add(BuildResults(
+        (b) => b.changedAssets.add(Uri.parse('package:foo/bar.dart'))));
   }
 
   @override
-  Future<void> stop() => _outputStreamController.close();
+  Future<void> stop() {
+    return Future.wait([
+      _outputStreamController.close(),
+      _buildsController.close(),
+    ]);
+  }
 }
diff --git a/build_daemon/lib/src/managers/build_target_manager.dart b/build_daemon/lib/src/managers/build_target_manager.dart
index 34cf72c26..94d51727f 100644
--- a/build_daemon/lib/src/managers/build_target_manager.dart
+++ b/build_daemon/lib/src/managers/build_target_manager.dart
@@ -19,6 +19,7 @@ bool _shouldBuild(BuildTarget target, Iterable<WatchEvent> changes) =>
 /// the Dart Build Daemon.
 class BuildTargetManager {
   var _buildTargets = <BuildTarget, Set<WebSocketChannel>>{};
+  final _channelSubscriptions = <WebSocketChannel, Set<BuildTarget>>{};
 
   bool Function(BuildTarget, Iterable<WatchEvent>) shouldBuild;
 
@@ -37,16 +38,24 @@ class BuildTargetManager {
   /// Adds a tracked build target with corresponding interested channel.
   void addBuildTarget(BuildTarget target, WebSocketChannel channel) {
     _buildTargets.putIfAbsent(target, () => <WebSocketChannel>{}).add(channel);
+    _channelSubscriptions.putIfAbsent(channel, () => {}).add(target);
   }
 
   /// Returns channels that are interested in the provided target.
   Set<WebSocketChannel> channels(BuildTarget target) =>
       _buildTargets[target] ?? <WebSocketChannel>{};
 
-  void removeChannel(WebSocketChannel channel) =>
-      _buildTargets = Map.fromEntries(_buildTargets.entries
-          .map((e) => MapEntry(e.key, e.value..remove(channel)))
-          .where((e) => e.value.isNotEmpty));
+  /// Returns build targets that the [channel] has added.
+  Iterable<BuildTarget> targetsFor(WebSocketChannel channel) {
+    return _channelSubscriptions[channel] ?? const Iterable.empty();
+  }
+
+  void removeChannel(WebSocketChannel channel) {
+    _buildTargets = Map.fromEntries(_buildTargets.entries
+        .map((e) => MapEntry(e.key, e.value..remove(channel)))
+        .where((e) => e.value.isNotEmpty));
+    _channelSubscriptions.remove(channel);
+  }
 
   Set<BuildTarget> targetsForChanges(List<WatchEvent> changes) =>
       targets.where((target) => shouldBuild(target, changes)).toSet();
diff --git a/build_daemon/lib/src/server.dart b/build_daemon/lib/src/server.dart
index 26241efb1..12c27d6ec 100644
--- a/build_daemon/lib/src/server.dart
+++ b/build_daemon/lib/src/server.dart
@@ -144,9 +144,27 @@ class Server {
         }
       }))
       ..add(_builder.builds.listen((status) {
-        var message = jsonEncode(_serializers.serialize(status));
+        // Don't serialize or send changed assets if the client isn't interested
+        // in them.
+        String? message, messageWithoutChangedAssets;
+
         for (var channel in _interestedChannels) {
-          channel.sink.add(message);
+          var targets = _buildTargetManager.targetsFor(channel);
+          var wantsChangedAssets = targets
+              .any((e) => e is DefaultBuildTarget && e.reportChangedAssets);
+
+          String messageForChannel;
+
+          if (wantsChangedAssets) {
+            messageForChannel =
+                message ??= jsonEncode(_serializers.serialize(status));
+          } else {
+            messageForChannel = messageWithoutChangedAssets ??= jsonEncode(
+                _serializers
+                    .serialize(status.rebuild((b) => b.changedAssets = null)));
+          }
+
+          channel.sink.add(messageForChannel);
         }
       }))
       ..add(_logs.listen((log) {
diff --git a/build_daemon/pubspec.yaml b/build_daemon/pubspec.yaml
index 7da37211d..6af4fca18 100644
--- a/build_daemon/pubspec.yaml
+++ b/build_daemon/pubspec.yaml
@@ -1,5 +1,5 @@
 name: build_daemon
-version:  3.0.3-dev
+version:  3.1.0-dev
 description: A daemon for running Dart builds.
 repository: https://github.com/dart-lang/build/tree/master/build_daemon
 
@@ -8,7 +8,7 @@ environment:
 
 dependencies:
   built_collection: ^5.0.0
-  built_value: ^8.0.0
+  built_value: ^8.1.0
   http_multi_server: ^3.0.0
   logging: ^1.0.0
   path: ^1.8.0
@@ -21,8 +21,9 @@ dependencies:
 
 dev_dependencies:
   build_runner: ^2.0.0
+  analyzer: '<3.4.0'
   # TODO: untangle analyzer dependency
-  built_value_generator: ^8.0.0
+  built_value_generator: ^8.1.0
   lints: '>=1.0.0 <3.0.0'
   mockito: ^5.0.0
   test: ^1.16.0
diff --git a/build_daemon/test/server_test.dart b/build_daemon/test/server_test.dart
index 2ce26740f..f82b43ccd 100644
--- a/build_daemon/test/server_test.dart
+++ b/build_daemon/test/server_test.dart
@@ -9,6 +9,7 @@ import 'dart:async';
 import 'dart:convert';
 
 import 'package:build_daemon/data/build_request.dart';
+import 'package:build_daemon/data/build_status.dart';
 import 'package:build_daemon/data/build_target.dart';
 import 'package:build_daemon/data/build_target_request.dart';
 import 'package:build_daemon/data/serializers.dart';
@@ -16,37 +17,39 @@ import 'package:build_daemon/data/server_log.dart';
 import 'package:build_daemon/src/fakes/fake_change_provider.dart';
 import 'package:build_daemon/src/fakes/fake_test_builder.dart';
 import 'package:build_daemon/src/server.dart';
+import 'package:stream_transform/stream_transform.dart';
 import 'package:test/test.dart';
 import 'package:web_socket_channel/io.dart';
 
 void main() {
   group('Server', () {
     final webTarget = DefaultBuildTarget((b) => b.target = 'web');
-    late final StreamController<ServerLog> logController;
-    late final Stream<ServerLog> logs;
-    late final IOWebSocketChannel client;
-    late final Server server;
+    late StreamController<Object?> controller;
+    late IOWebSocketChannel client;
+    late Server server;
+    late int port;
 
     setUp(() async {
-      logController = StreamController<ServerLog>();
-      logs = logController.stream.asBroadcastStream();
+      controller = StreamController<Object?>();
 
       // Start the server.
       server = _createServer();
-      final port = await server.listen();
+      port = await server.listen();
 
       // Connect the client and redirect its logs.
-      client = _createClient(logController, port);
+      client = _createClient(controller, port);
     });
 
     tearDown(() async {
       await server.stop();
       await client.sink.close();
-      await logController.close();
+      await controller.close();
       await expectLater(server.onDone, completes);
     });
 
     test('can forward logs to the client', () async {
+      final logs = controller.stream.whereType<ServerLog>().asBroadcastStream();
+
       // Setup listening for a completed build.
       final buildCompleted = expectLater(
           logs,
@@ -77,6 +80,41 @@ void main() {
       // Await for logs to arrive to the client.
       await logsReceived;
     });
+
+    test('forwards changed assets to interested clients', () async {
+      final interestedEvents = StreamController<Object?>();
+      final interstedClient = _createClient(interestedEvents, port);
+      addTearDown(interstedClient.sink.close);
+      addTearDown(interestedEvents.close);
+
+      // Register default client, not intersted in changes
+      client.sink.add(jsonEncode(serializers
+          .serialize(BuildTargetRequest((b) => b.target = webTarget))));
+
+      // Register second client which is interested in changes.
+      final targetWithChanges = DefaultBuildTarget((b) => b
+        ..target = ''
+        ..reportChangedAssets = true);
+      interstedClient.sink.add(jsonEncode(serializers
+          .serialize(BuildTargetRequest((b) => b.target = targetWithChanges))));
+
+      // Request a build. As there is no ordering guarantee between the two
+      // sockets, wait a bit first
+      await Future.delayed(const Duration(milliseconds: 500));
+      client.sink.add(jsonEncode(serializers.serialize(BuildRequest())));
+
+      expect(
+        interestedEvents.stream,
+        emitsThrough(isA<BuildResults>()
+            .having((e) => e.changedAssets, 'changedAssets', isNotEmpty)),
+      );
+
+      await expectLater(
+        controller.stream,
+        emitsThrough(isA<BuildResults>()
+            .having((e) => e.changedAssets, 'changedAssets', isNull)),
+      );
+    });
   });
 }
 
@@ -89,15 +127,13 @@ Server _createServer() {
 }
 
 IOWebSocketChannel _createClient(
-  StreamController<ServerLog> controller,
+  StreamController<Object?> controller,
   int port,
 ) {
   final client = IOWebSocketChannel.connect('ws://localhost:$port');
   client.stream.listen((data) {
     final message = serializers.deserialize(jsonDecode(data as String));
-    if (message is ServerLog) {
-      controller.add(message);
-    }
+    controller.add(message);
   });
   return client;
 }
diff --git a/build_runner/CHANGELOG.md b/build_runner/CHANGELOG.md
index 4c3c23b38..9a420c7af 100644
--- a/build_runner/CHANGELOG.md
+++ b/build_runner/CHANGELOG.md
@@ -4,6 +4,7 @@
   errors from the directory watcher.
 - Ignore the no_leading_underscores_for_library_prefixes lint in the generated
   build script.
+- Report changed assets when running as a deamon.
 
 ## 2.1.8
 
diff --git a/build_runner/lib/src/daemon/daemon_builder.dart b/build_runner/lib/src/daemon/daemon_builder.dart
index 8b512f905..4af1c4610 100644
--- a/build_runner/lib/src/daemon/daemon_builder.dart
+++ b/build_runner/lib/src/daemon/daemon_builder.dart
@@ -111,10 +111,22 @@ class BuildRunnerDaemonBuilder implements DaemonBuilder {
               '${target.target}/**', _buildOptions.packageGraph.root.name));
       }
     }
+    Iterable<AssetId>? outputs;
+
     try {
       var mergedChanges = collectChanges([changes]);
       var result = await _builder.run(mergedChanges,
           buildDirs: buildDirs, buildFilters: buildFilters);
+      var interestedInOutputs =
+          targets.any((e) => e is DefaultBuildTarget && e.reportChangedAssets);
+
+      if (interestedInOutputs) {
+        outputs = {
+          for (var change in changes) change.id,
+          ...result.outputs,
+        };
+      }
+
       for (var target in targets) {
         if (result.status == core.BuildStatus.success) {
           // TODO(grouma) - Can we notify if a target was cached?
@@ -140,7 +152,7 @@ class BuildRunnerDaemonBuilder implements DaemonBuilder {
       }
       _logMessage(Level.SEVERE, 'Build Failed:\n${e.toString()}');
     }
-    _signalEnd(results);
+    _signalEnd(results, outputs?.map((e) => e.uri));
   }
 
   @override
@@ -156,9 +168,16 @@ class BuildRunnerDaemonBuilder implements DaemonBuilder {
           ..level = level,
       ));
 
-  void _signalEnd(Iterable<BuildResult> results) {
+  void _signalEnd(Iterable<BuildResult> results,
+      [Iterable<Uri>? changedAssets]) {
     _buildingCompleter!.complete();
-    _buildResults.add(BuildResults((b) => b..results.addAll(results)));
+    _buildResults.add(BuildResults((b) {
+      b.results.addAll(results);
+
+      if (changedAssets != null) {
+        b.changedAssets.addAll(changedAssets);
+      }
+    }));
   }
 
   void _signalStart(Iterable<String> targets) {
diff --git a/build_runner/pubspec.yaml b/build_runner/pubspec.yaml
index b526ee73e..ccb11d1fb 100644
--- a/build_runner/pubspec.yaml
+++ b/build_runner/pubspec.yaml
@@ -12,7 +12,7 @@ dependencies:
   analyzer: ">=1.4.0 <4.0.0"
   build: ">=2.1.0 <2.3.0"
   build_config: ">=1.0.0 <1.1.0"
-  build_daemon: ^3.0.0
+  build_daemon: ^3.1.0
   build_resolvers: ^2.0.0
   build_runner_core: ^7.2.0
   code_builder: ^4.0.0
@@ -52,3 +52,7 @@ dev_dependencies:
   test_process: ^2.0.0
   _test_common:
     path: ../_test_common
+
+dependency_overrides:
+  build_daemon:
+    path: ../build_daemon
diff --git a/build_runner/test/daemon/daemon_test.dart b/build_runner/test/daemon/daemon_test.dart
index 1bc1dc082..2701f62a9 100644
--- a/build_runner/test/daemon/daemon_test.dart
+++ b/build_runner/test/daemon/daemon_test.dart
@@ -24,7 +24,9 @@ void main() {
   Process? daemonProcess;
   Stream<String>? stdoutLines;
   String workspace() => p.join(d.sandbox, 'a');
-  final webTarget = DefaultBuildTarget((b) => b..target = 'web');
+  final webTarget = DefaultBuildTarget((b) => b
+    ..target = 'web'
+    ..reportChangedAssets = true);
   final testTarget = DefaultBuildTarget((b) => b..target = 'test');
   var clients = <BuildDaemonClient>[];
 
@@ -310,10 +312,17 @@ main() {
         ..registerBuildTarget(webTarget)
         ..startBuild();
       clients.add(client);
+
       expect(
-          client.buildResults,
-          emitsThrough((BuildResults b) =>
-              b.results.first.status == BuildStatus.succeeded));
+        client.buildResults,
+        emitsThrough(
+          isA<BuildResults>()
+              .having((e) => e.results.first.status, 'results.first.status',
+                  BuildStatus.succeeded)
+              .having((e) => e.changedAssets, 'changedAsssets',
+                  contains(Uri.parse('asset:a/web/main.dart.js'))),
+        ),
+      );
     });
 
     test('allows multiple clients to connect and build', () async {