diff --git a/example/.metadata b/example/.metadata
index f5dde3d5a2..958d4cc466 100644
--- a/example/.metadata
+++ b/example/.metadata
@@ -4,7 +4,7 @@
 # This file should be version controlled.
 
 version:
-  revision: f1875d570e39de09040c8f79aa13cc56baab8db1
+  revision: d9111f64021372856901a1fd5bfbc386cade3318
   channel: stable
 
 project_type: app
@@ -13,11 +13,11 @@ project_type: app
 migration:
   platforms:
     - platform: root
-      create_revision: f1875d570e39de09040c8f79aa13cc56baab8db1
-      base_revision: f1875d570e39de09040c8f79aa13cc56baab8db1
-    - platform: linux
-      create_revision: f1875d570e39de09040c8f79aa13cc56baab8db1
-      base_revision: f1875d570e39de09040c8f79aa13cc56baab8db1
+      create_revision: d9111f64021372856901a1fd5bfbc386cade3318
+      base_revision: d9111f64021372856901a1fd5bfbc386cade3318
+    - platform: macos
+      create_revision: d9111f64021372856901a1fd5bfbc386cade3318
+      base_revision: d9111f64021372856901a1fd5bfbc386cade3318
 
   # User provided section
 
diff --git a/example/lib/home_page.dart b/example/lib/home_page.dart
index b09dee70ba..43318780d0 100644
--- a/example/lib/home_page.dart
+++ b/example/lib/home_page.dart
@@ -1,3 +1,5 @@
+import 'package:example/sources/nested_form.dart';
+
 import 'sources/custom_fields.dart';
 import 'package:example/sources/signup_form.dart';
 import 'package:flutter/cupertino.dart';
@@ -15,6 +17,24 @@ class HomePage extends StatelessWidget {
       appBar: AppBar(title: const Text('Flutter Form Builder')),
       body: ListView(
         children: <Widget>[
+          ListTile(
+            title: const Text('Nested Form'),
+            trailing: const Icon(CupertinoIcons.right_chevron),
+            onTap: () {
+              Navigator.of(context).push(
+                MaterialPageRoute(
+                  builder: (context) {
+                    return const CodePage(
+                      title: 'Nested Form',
+                      sourceFilePath: 'lib/sources/nested_form.dart',
+                      child: NestedForm(),
+                    );
+                  },
+                ),
+              );
+            },
+          ),
+          const Divider(),
           ListTile(
             title: const Text('Complete Form'),
             trailing: const Icon(CupertinoIcons.right_chevron),
diff --git a/example/lib/main.dart b/example/lib/main.dart
index e127b814ca..4563bf8ced 100644
--- a/example/lib/main.dart
+++ b/example/lib/main.dart
@@ -4,6 +4,8 @@ import 'package:flutter_localizations/flutter_localizations.dart';
 import 'package:form_builder_validators/form_builder_validators.dart';
 import 'package:intl/intl.dart';
 
+import 'home_page.dart';
+
 void main() => runApp(const MyApp());
 
 class MyApp extends StatelessWidget {
@@ -11,16 +13,17 @@ class MyApp extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return MaterialApp(
+    return const MaterialApp(
       title: 'Flutter FormBuilder Demo',
       debugShowCheckedModeBanner: false,
-      localizationsDelegates: const [
+      localizationsDelegates: [
         FormBuilderLocalizations.delegate,
         GlobalMaterialLocalizations.delegate,
         GlobalWidgetsLocalizations.delegate,
       ],
-      supportedLocales: FormBuilderLocalizations.delegate.supportedLocales,
-      home: const CompleteForm(),
+      // supportedLocales: FormBuilderLocalizations.delegate.supportedLocales,
+      home: HomePage(),
+      // home: const CompleteForm(),
     );
   }
 }
diff --git a/example/lib/sources/nested_form.dart b/example/lib/sources/nested_form.dart
new file mode 100644
index 0000000000..b8bcc2c53a
--- /dev/null
+++ b/example/lib/sources/nested_form.dart
@@ -0,0 +1,68 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_form_builder/flutter_form_builder.dart';
+
+class NestedForm extends StatefulWidget {
+  const NestedForm({
+    Key? key,
+  }) : super(key: key);
+
+  @override
+  State<NestedForm> createState() => _NestedFormState();
+}
+
+class _NestedFormState extends State<NestedForm> {
+  GlobalKey<FormBuilderState> formKey = GlobalKey<FormBuilderState>();
+
+  @override
+  Widget build(BuildContext context) {
+    return Column(
+      children: [
+        FormBuilder(
+            key: formKey,
+            initialValue: const {
+              'foo': 'foo value0',
+              'inner': {
+                'bar': 'bar value1',
+                'baz': 'baz value2',
+                'inner2': {
+                  'test': 'test value',
+                },
+              }
+            },
+            child: Column(
+              children: [
+                FormBuilderTextField(name: 'foo'),
+                Padding(
+                  padding: const EdgeInsets.only(left: 16.0),
+                  child: NestedFormBuilder(
+                      name: 'inner',
+                      child: Column(
+                        children: [
+                          FormBuilderTextField(name: 'bar'),
+                          FormBuilderTextField(name: 'baz'),
+                          Padding(
+                            padding: const EdgeInsets.only(left: 16.0),
+                            child: NestedFormBuilder(
+                              name: 'inner2',
+                              child: FormBuilderTextField(name: 'test'),
+                            ),
+                          )
+                        ],
+                      )),
+                )
+              ],
+            )),
+        ElevatedButton(
+            onPressed: () {
+              final st = formKey.currentState!;
+              st.saveAndValidate();
+              final value = st.value;
+              debugPrint("debug form value $value");
+              ScaffoldMessenger.of(context)
+                  .showSnackBar(SnackBar(content: Text(value.toString())));
+            },
+            child: const Text("Show Value"))
+      ],
+    );
+  }
+}
diff --git a/example/pubspec.lock b/example/pubspec.lock
index 8cf19da6b2..7903b5dc73 100644
--- a/example/pubspec.lock
+++ b/example/pubspec.lock
@@ -5,49 +5,49 @@ packages:
     dependency: transitive
     description:
       name: async
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.9.0"
   boolean_selector:
     dependency: transitive
     description:
       name: boolean_selector
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.1.0"
   characters:
     dependency: transitive
     description:
       name: characters
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.2.1"
   clock:
     dependency: transitive
     description:
       name: clock
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.1.1"
   collection:
     dependency: transitive
     description:
       name: collection
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.16.0"
   cupertino_icons:
     dependency: "direct main"
     description:
       name: cupertino_icons
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.0.5"
   fake_async:
     dependency: transitive
     description:
       name: fake_async
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.3.1"
   flutter:
@@ -66,7 +66,7 @@ packages:
     dependency: "direct dev"
     description:
       name: flutter_lints
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.0.1"
   flutter_localizations:
@@ -83,49 +83,49 @@ packages:
     dependency: "direct main"
     description:
       name: form_builder_validators
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "8.1.1"
+    version: "8.4.0"
   intl:
     dependency: "direct main"
     description:
       name: intl
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "0.17.0"
   lints:
     dependency: transitive
     description:
       name: lints
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "2.0.0"
+    version: "2.0.1"
   matcher:
     dependency: transitive
     description:
       name: matcher
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "0.12.12"
   material_color_utilities:
     dependency: transitive
     description:
       name: material_color_utilities
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "0.1.5"
   meta:
     dependency: transitive
     description:
       name: meta
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.8.0"
   path:
     dependency: transitive
     description:
       name: path
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.8.2"
   sky_engine:
@@ -137,49 +137,49 @@ packages:
     dependency: transitive
     description:
       name: source_span
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.9.0"
   stack_trace:
     dependency: transitive
     description:
       name: stack_trace
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.10.0"
   stream_channel:
     dependency: transitive
     description:
       name: stream_channel
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.1.0"
   string_scanner:
     dependency: transitive
     description:
       name: string_scanner
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.1.1"
   term_glyph:
     dependency: transitive
     description:
       name: term_glyph
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.2.1"
   test_api:
     dependency: transitive
     description:
       name: test_api
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "0.4.12"
   vector_math:
     dependency: transitive
     description:
       name: vector_math
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.1.2"
 sdks:
diff --git a/lib/flutter_form_builder.dart b/lib/flutter_form_builder.dart
index e3bf533301..5e5efd0025 100644
--- a/lib/flutter_form_builder.dart
+++ b/lib/flutter_form_builder.dart
@@ -1,6 +1,7 @@
 library flutter_form_builder;
 
 export 'src/form_builder.dart';
+export 'src/nested_form_builder.dart';
 export 'src/form_builder_field.dart';
 export 'src/form_builder_field_option.dart';
 export 'src/fields/form_builder_checkbox.dart';
diff --git a/lib/src/nested_form_builder.dart b/lib/src/nested_form_builder.dart
new file mode 100644
index 0000000000..ce571b5d11
--- /dev/null
+++ b/lib/src/nested_form_builder.dart
@@ -0,0 +1,133 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_form_builder/flutter_form_builder.dart';
+
+class NestedFormBuilder extends StatelessWidget {
+  /// Parent Form Key
+  final GlobalKey<FormBuilderState>? parentFormKey;
+
+  /// Nested Form Key
+  final GlobalKey<FormBuilderState> formKey;
+
+  /// Called just before field value is saved. Used to massage data just before
+  /// committing the value.
+  /// See [FormBuilderField.valueTransformer]
+  final ValueTransformer<Map<String, dynamic>?>? valueTransformer;
+
+  /// Used to reference the field within the form, or to reference form data
+  /// after the form is submitted.
+  final String name;
+
+  /// Called when one of the form fields changes.
+  ///
+  /// In addition to this callback being invoked, all the form fields themselves
+  /// will rebuild.
+  final VoidCallback? onChanged;
+
+  /// Enables the form to veto attempts by the user to dismiss the [ModalRoute]
+  /// that contains the form.
+  ///
+  /// If the callback returns a Future that resolves to false, the form's route
+  /// will not be popped.
+  ///
+  /// See also:
+  ///
+  ///  * [WillPopScope], another widget that provides a way to intercept the
+  ///    back button.
+  final WillPopCallback? onWillPop;
+
+  /// The widget below this widget in the tree.
+  ///
+  /// This is the root of the widget hierarchy that contains this form.
+  ///
+  /// {@macro flutter.widgets.child}
+  final Widget child;
+
+  /// Used to enable/disable form fields auto validation and update their error
+  /// text.
+  ///
+  /// {@macro flutter.widgets.form.autovalidateMode}
+  final AutovalidateMode? autovalidateMode;
+
+  /// An optional Map of field initialValues. Keys correspond to the field's
+  /// name and value to the initialValue of the field.
+  ///
+  /// The initialValues set here will be ignored if the field has a local
+  /// initialValue set.
+  final Map<String, dynamic>? initialValue;
+
+  /// Whether the form should ignore submitting values from fields where
+  /// `enabled` is `false`.
+  /// This behavior is common in HTML forms where _readonly_ values are not
+  /// submitted when the form is submitted.
+  ///
+  /// When `true`, the final form value will not contain disabled fields.
+  /// Default is `false`.
+  final bool skipDisabled;
+
+  /// Whether the form is able to receive user input.
+  ///
+  /// Defaults to true.
+  ///
+  /// When `false` all the form fields will be disabled - won't accept input -
+  /// and their enabled state will be ignored.
+  final bool enabled;
+
+  /// Whether the form should auto focus on the first field that fails validation.
+  final bool autoFocusOnValidationFailure;
+
+  /// Whether to clear the internal value of a field when it is unregistered.
+  ///
+  /// Defaults to `false`.
+  ///
+  /// When set to `true`, the form builder will not keep the internal values
+  /// from disposed [FormBuilderField]s. This is useful for dynamic forms where
+  /// fields are registered and unregistered due to state change.
+  ///
+  /// This setting will have no effect when registering a field with the same
+  /// name as the unregistered one.
+  final bool clearValueOnUnregister;
+
+  NestedFormBuilder({
+    Key? key,
+    required this.name,
+    required this.child,
+    this.onChanged,
+    this.onWillPop,
+    this.autovalidateMode,
+    this.initialValue,
+    this.skipDisabled = false,
+    this.enabled = true,
+    this.autoFocusOnValidationFailure = false,
+    this.clearValueOnUnregister = false,
+    GlobalKey<FormBuilderState>? formKey,
+    this.parentFormKey,
+    this.valueTransformer,
+  })  : formKey = formKey ?? GlobalKey<FormBuilderState>(),
+        super(key: key);
+
+  @override
+  Widget build(BuildContext context) => FormBuilderField<Map<String, dynamic>>(
+        name: name,
+        initialValue:
+            parentFormKey?.currentState?.initialValue[name] ?? initialValue,
+        valueTransformer: valueTransformer ?? (_) => _,
+        onReset: () => formKey.currentState?.reset(),
+        builder: (field) => FormBuilder(
+          key: formKey,
+          initialValue: field.value ?? {},
+          onChanged: () {
+            final st = formKey.currentState;
+            if (st == null) return;
+            st.save();
+            field.didChange(valueTransformer?.call(st.value) ?? st.value);
+          },
+          autovalidateMode: autovalidateMode,
+          onWillPop: onWillPop,
+          skipDisabled: skipDisabled,
+          enabled: enabled,
+          autoFocusOnValidationFailure: autoFocusOnValidationFailure,
+          clearValueOnUnregister: clearValueOnUnregister,
+          child: child,
+        ),
+      );
+}
diff --git a/pubspec.lock b/pubspec.lock
index 6ba1a68aaf..c5bfc2c87e 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -5,42 +5,42 @@ packages:
     dependency: transitive
     description:
       name: async
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.9.0"
   boolean_selector:
     dependency: transitive
     description:
       name: boolean_selector
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.1.0"
   characters:
     dependency: transitive
     description:
       name: characters
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.2.1"
   clock:
     dependency: transitive
     description:
       name: clock
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.1.1"
   collection:
     dependency: "direct main"
     description:
       name: collection
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.16.0"
   fake_async:
     dependency: transitive
     description:
       name: fake_async
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.3.1"
   flutter:
@@ -52,7 +52,7 @@ packages:
     dependency: "direct dev"
     description:
       name: flutter_lints
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.0.1"
   flutter_test:
@@ -64,42 +64,42 @@ packages:
     dependency: "direct main"
     description:
       name: intl
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "0.17.0"
   lints:
     dependency: transitive
     description:
       name: lints
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "2.0.0"
+    version: "2.0.1"
   matcher:
     dependency: transitive
     description:
       name: matcher
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "0.12.12"
   material_color_utilities:
     dependency: transitive
     description:
       name: material_color_utilities
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "0.1.5"
   meta:
     dependency: transitive
     description:
       name: meta
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.8.0"
   path:
     dependency: transitive
     description:
       name: path
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.8.2"
   sky_engine:
@@ -111,49 +111,49 @@ packages:
     dependency: transitive
     description:
       name: source_span
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.9.0"
   stack_trace:
     dependency: transitive
     description:
       name: stack_trace
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.10.0"
   stream_channel:
     dependency: transitive
     description:
       name: stream_channel
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.1.0"
   string_scanner:
     dependency: transitive
     description:
       name: string_scanner
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.1.1"
   term_glyph:
     dependency: transitive
     description:
       name: term_glyph
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.2.1"
   test_api:
     dependency: transitive
     description:
       name: test_api
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "0.4.12"
   vector_math:
     dependency: transitive
     description:
       name: vector_math
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.1.2"
 sdks: