diff --git a/packages/flutter_goldens/lib/flutter_goldens.dart b/packages/flutter_goldens/lib/flutter_goldens.dart
index 580770c420cb8..eef5ed3939656 100644
--- a/packages/flutter_goldens/lib/flutter_goldens.dart
+++ b/packages/flutter_goldens/lib/flutter_goldens.dart
@@ -19,6 +19,7 @@ export 'package:flutter_goldens_client/skia_client.dart';
 // https://github.com/flutter/flutter/wiki/Writing-a-golden-file-test-for-package%3Aflutter
 
 const String _kFlutterRootKey = 'FLUTTER_ROOT';
+final RegExp _kMainBranch = RegExp(r'master|main');
 
 /// Main method that can be used in a `flutter_test_config.dart` file to set
 /// [goldenFileComparator] to an instance of [FlutterGoldenFileComparator] that
@@ -259,7 +260,9 @@ class FlutterPostSubmitFileComparator extends FlutterGoldenFileComparator {
     final bool luciPostSubmit = platform.environment.containsKey('SWARMING_TASK_ID')
       && platform.environment.containsKey('GOLDCTL')
       // Luci tryjob environments contain this value to inform the [FlutterPreSubmitComparator].
-      && !platform.environment.containsKey('GOLD_TRYJOB');
+      && !platform.environment.containsKey('GOLD_TRYJOB')
+      // Only run on main branch.
+      && _kMainBranch.hasMatch(platform.environment['GIT_BRANCH'] ?? '');
 
     return luciPostSubmit;
   }
@@ -346,7 +349,9 @@ class FlutterPreSubmitFileComparator extends FlutterGoldenFileComparator {
   static bool isAvailableForEnvironment(Platform platform) {
     final bool luciPreSubmit = platform.environment.containsKey('SWARMING_TASK_ID')
       && platform.environment.containsKey('GOLDCTL')
-      && platform.environment.containsKey('GOLD_TRYJOB');
+      && platform.environment.containsKey('GOLD_TRYJOB')
+      // Only run on the main branch
+      && _kMainBranch.hasMatch(platform.environment['GIT_BRANCH'] ?? '');
     return luciPreSubmit;
   }
 }
@@ -413,9 +418,11 @@ class FlutterSkippingFileComparator extends FlutterGoldenFileComparator {
   /// If we are in a CI environment, LUCI or Cirrus, but are not using the other
   /// comparators, we skip.
   static bool isAvailableForEnvironment(Platform platform) {
-    return platform.environment.containsKey('SWARMING_TASK_ID')
+    return (platform.environment.containsKey('SWARMING_TASK_ID')
       // Some builds are still being run on Cirrus, we should skip these.
-      || platform.environment.containsKey('CIRRUS_CI');
+      || platform.environment.containsKey('CIRRUS_CI'))
+      // If we are in CI, skip on branches that are not main.
+      && !_kMainBranch.hasMatch(platform.environment['GIT_BRANCH'] ?? '');
   }
 }
 
diff --git a/packages/flutter_goldens/test/flutter_goldens_test.dart b/packages/flutter_goldens/test/flutter_goldens_test.dart
index e64198f0bc486..3e2c05ea9cfc1 100644
--- a/packages/flutter_goldens/test/flutter_goldens_test.dart
+++ b/packages/flutter_goldens/test/flutter_goldens_test.dart
@@ -716,6 +716,55 @@ void main() {
               'FLUTTER_ROOT': _kFlutterRoot,
               'SWARMING_TASK_ID' : '12345678990',
               'GOLDCTL' : 'goldctl',
+              'GIT_BRANCH' : 'master',
+            },
+            operatingSystem: 'macos',
+          );
+          expect(
+            FlutterPostSubmitFileComparator.isAvailableForEnvironment(platform),
+            isTrue,
+          );
+        });
+
+        test('returns false on release branches in postsubmit', () {
+          platform = FakePlatform(
+            environment: <String, String>{
+              'FLUTTER_ROOT': _kFlutterRoot,
+              'SWARMING_TASK_ID' : 'sweet task ID',
+              'GOLDCTL' : 'some/path',
+              'GIT_BRANCH' : 'flutter-3.16-candidate.0',
+            },
+            operatingSystem: 'macos',
+          );
+          expect(
+            FlutterPostSubmitFileComparator.isAvailableForEnvironment(platform),
+            isFalse,
+          );
+        });
+
+        test('returns true on master branch in postsubmit', () {
+          platform = FakePlatform(
+            environment: <String, String>{
+              'FLUTTER_ROOT': _kFlutterRoot,
+              'SWARMING_TASK_ID' : 'sweet task ID',
+              'GOLDCTL' : 'some/path',
+              'GIT_BRANCH' : 'master',
+            },
+            operatingSystem: 'macos',
+          );
+          expect(
+            FlutterPostSubmitFileComparator.isAvailableForEnvironment(platform),
+            isTrue,
+          );
+        });
+
+        test('returns true on main branch in postsubmit', () {
+          platform = FakePlatform(
+            environment: <String, String>{
+              'FLUTTER_ROOT': _kFlutterRoot,
+              'SWARMING_TASK_ID' : 'sweet task ID',
+              'GOLDCTL' : 'some/path',
+              'GIT_BRANCH' : 'main',
             },
             operatingSystem: 'macos',
           );
@@ -828,6 +877,57 @@ void main() {
       });
 
       group('correctly determines testing environment', () {
+        test('returns false on release branches in presubmit', () {
+          platform = FakePlatform(
+            environment: <String, String>{
+              'FLUTTER_ROOT': _kFlutterRoot,
+              'SWARMING_TASK_ID' : 'sweet task ID',
+              'GOLDCTL' : 'some/path',
+              'GOLD_TRYJOB' : 'true',
+              'GIT_BRANCH' : 'flutter-3.16-candidate.0',
+            },
+            operatingSystem: 'macos',
+          );
+          expect(
+            FlutterPreSubmitFileComparator.isAvailableForEnvironment(platform),
+            isFalse,
+          );
+        });
+
+        test('returns true on master branch in presubmit', () {
+          platform = FakePlatform(
+            environment: <String, String>{
+              'FLUTTER_ROOT': _kFlutterRoot,
+              'SWARMING_TASK_ID' : 'sweet task ID',
+              'GOLDCTL' : 'some/path',
+              'GOLD_TRYJOB' : 'true',
+              'GIT_BRANCH' : 'master',
+            },
+            operatingSystem: 'macos',
+          );
+          expect(
+            FlutterPreSubmitFileComparator.isAvailableForEnvironment(platform),
+            isTrue,
+          );
+        });
+
+        test('returns true on main branch in presubmit', () {
+          platform = FakePlatform(
+            environment: <String, String>{
+              'FLUTTER_ROOT': _kFlutterRoot,
+              'SWARMING_TASK_ID' : 'sweet task ID',
+              'GOLDCTL' : 'some/path',
+              'GOLD_TRYJOB' : 'true',
+              'GIT_BRANCH' : 'main',
+            },
+            operatingSystem: 'macos',
+          );
+          expect(
+            FlutterPreSubmitFileComparator.isAvailableForEnvironment(platform),
+            isTrue,
+          );
+        });
+
         test('returns true for Luci', () {
           platform = FakePlatform(
             environment: <String, String>{
@@ -835,6 +935,7 @@ void main() {
               'SWARMING_TASK_ID' : '12345678990',
               'GOLDCTL' : 'goldctl',
               'GOLD_TRYJOB' : 'git/ref/12345/head',
+              'GIT_BRANCH' : 'master',
             },
             operatingSystem: 'macos',
           );
@@ -908,6 +1009,39 @@ void main() {
 
     group('Skipping', () {
       group('correctly determines testing environment', () {
+        test('returns true on release branches in presubmit', () {
+          platform = FakePlatform(
+            environment: <String, String>{
+              'FLUTTER_ROOT': _kFlutterRoot,
+              'SWARMING_TASK_ID' : 'sweet task ID',
+              'GOLDCTL' : 'some/path',
+              'GOLD_TRYJOB' : 'true',
+              'GIT_BRANCH' : 'flutter-3.16-candidate.0',
+            },
+            operatingSystem: 'macos',
+          );
+          expect(
+            FlutterSkippingFileComparator.isAvailableForEnvironment(platform),
+            isTrue,
+          );
+        });
+
+        test('returns true on release branches in postsubmit', () {
+          platform = FakePlatform(
+            environment: <String, String>{
+              'FLUTTER_ROOT': _kFlutterRoot,
+              'SWARMING_TASK_ID' : 'sweet task ID',
+              'GOLDCTL' : 'some/path',
+              'GIT_BRANCH' : 'flutter-3.16-candidate.0',
+            },
+            operatingSystem: 'macos',
+          );
+          expect(
+            FlutterSkippingFileComparator.isAvailableForEnvironment(platform),
+            isTrue,
+          );
+        });
+
         test('returns true on Cirrus builds', () {
           platform = FakePlatform(
             environment: <String, String>{
@@ -936,7 +1070,7 @@ void main() {
           );
         });
 
-        test('returns false - no CI', () {
+        test('returns false - not in CI', () {
           platform = FakePlatform(
             environment: <String, String>{
               'FLUTTER_ROOT': _kFlutterRoot,
@@ -944,8 +1078,7 @@ void main() {
             operatingSystem: 'macos',
           );
           expect(
-            FlutterSkippingFileComparator.isAvailableForEnvironment(
-              platform),
+            FlutterSkippingFileComparator.isAvailableForEnvironment(platform),
             isFalse,
           );
         });