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+## [3.1.2]
+- Expose GetInstance
+
+## [3.1.1]
+- Improvement .obs methods
+
 ## [3.1.0]
 - Added extensions to GetUtils and fix typo on GetUtils.isEmail (@stefandevo)
 - Added .gitignore file (@hdeyana)

@@ -24,5 +24,7 @@ export 'src/routes/observers/route_observer.dart';
 export 'src/routes/transitions_type.dart';
 export 'src/platform/platform.dart';
 export 'src/instance/extension_instance.dart';
+export 'src/instance/get_instance.dart';
+export 'src/typedefs/typedefs.dart';
 export 'src/routes/custom_transition.dart';
 export 'src/context_extensions/extensions.dart';

@@ -51,18 +51,6 @@ class _RxImpl<T> implements RxInterface<T> {
   Stream<R> map<R>(R mapper(T data)) => stream.map(mapper);
 }
 
-class RxString<String> extends _RxImpl<String> {
-  RxString([String initial]) {
-    _value = initial;
-  }
-}
-
-class RxInt<int> extends _RxImpl<int> {
-  RxInt([int initial]) {
-    _value = initial;
-  }
-}
-
 class RxMap<K, V> extends RxInterface implements Map<K, V> {
   RxMap([Map<K, V> initial]) {
     _value = initial;
@@ -414,24 +402,36 @@ typedef bool Condition();
 
 typedef E ChildrenListComposer<S, E>(S value);
 
-class RxBool<bool> extends _RxImpl<bool> {
+class RxBool extends _RxImpl<bool> {
   RxBool([bool initial]) {
     _value = initial;
   }
 }
 
-class RxDouble<double> extends _RxImpl<double> {
+class RxDouble extends _RxImpl<double> {
   RxDouble([double initial]) {
     _value = initial;
   }
 }
 
-class RxNum<num> extends _RxImpl<num> {
+class RxNum extends _RxImpl<num> {
   RxNum([num initial]) {
     _value = initial;
   }
 }
 
+class RxString extends _RxImpl<String> {
+  RxString([String initial]) {
+    _value = initial;
+  }
+}
+
+class RxInt extends _RxImpl<int> {
+  RxInt([int initial]) {
+    _value = initial;
+  }
+}
+
 class Rx<T> extends _RxImpl<T> {
   Rx([T initial]) {
     _value = initial;
@@ -439,25 +439,25 @@ class Rx<T> extends _RxImpl<T> {
 }
 
 extension StringExtension on String {
-  RxString<String> get obs => RxString(this);
+  RxString get obs => RxString(this);
 }
 
 extension IntExtension on int {
-  RxInt<int> get obs => RxInt(this);
+  RxInt get obs => RxInt(this);
 }
 
 extension DoubleExtension on double {
-  RxDouble<double> get obs => RxDouble(this);
+  RxDouble get obs => RxDouble(this);
 }
 
 extension BoolExtension on bool {
-  RxBool<bool> get obs => RxBool(this);
+  RxBool get obs => RxBool(this);
 }
 
 extension MapExtension<K, V> on Map<K, V> {
   RxMap<K, V> get obs {
     if (this != null)
-      return RxMap<K, V>({})..addAll(this);
+      return RxMap<K, V>(<K, V>{})..addAll(this);
     else
       return RxMap<K, V>(null);
   }
@@ -466,12 +466,12 @@ extension MapExtension<K, V> on Map<K, V> {
 extension ListExtension<E> on List<E> {
   RxList<E> get obs {
     if (this != null)
-      return RxList<E>([])..addAllNonNull(this);
+      return RxList<E>(<E>[])..addAllNonNull(this);
     else
       return RxList<E>(null);
   }
 }
 
-extension ObjectExtension on Object {
-  Rx<Object> get obs => Rx(this);
+extension RxT<T> on T {
+  Rx<T> get obs => Rx(this);
 }

@@ -50,12 +50,14 @@ class _ObxState extends State<Obx> {
     super.dispose();
   }
 
-  @override
-  Widget build(BuildContext context) {
+  Widget get notifyChilds {
     final observer = getObs;
     getObs = _observer;
     final result = widget.builder();
     getObs = observer;
     return result;
   }
+
+  @override
+  Widget build(BuildContext context) => notifyChilds;
 }

+import 'dart:collection';
 import 'package:flutter/widgets.dart';
 import 'package:get/src/instance/get_instance.dart';
 import 'package:get/src/root/smart_management.dart';
 import 'package:get/src/rx/rx_interface.dart';
 
 class GetxController extends DisposableInterface {
-  final List<Updater> _updaters = [];
+  final HashSet<Updater> _updaters = HashSet<Updater>();
 
   /// Update GetBuilder with update();
   void update([List<String> ids, bool condition = true]) {

 import 'package:flutter/widgets.dart';
 import 'package:get/src/instance/get_instance.dart';
 
+abstract class GetWidget<T> extends StatelessWidget {
+  const GetWidget({Key key}) : super(key: key);
+  T get controller => GetInstance().find();
+
+  @override
+  Widget build(BuildContext context);
+}
+
 abstract class GetView<T> extends StatelessWidget {
   const GetView({Key key}) : super(key: key);
   T get controller => GetInstance().find();
@@ -8,3 +16,22 @@ abstract class GetView<T> extends StatelessWidget {
   @override
   Widget build(BuildContext context);
 }
+
+// abstract class GetView<A, B> extends StatelessWidget {
+//   const GetView({Key key}) : super(key: key);
+//   A get controller => GetInstance().find();
+//   B get controller2 => GetInstance().find();
+
+//   @override
+//   Widget build(BuildContext context);
+// }
+
+// abstract class GetView2<A, B, C> extends StatelessWidget {
+//   const GetView2({Key key}) : super(key: key);
+//   A get controller => GetInstance().find();
+//   B get controller2 => GetInstance().find();
+//  C get controller3 => GetInstance().find();
+
+//   @override
+//   Widget build(BuildContext context);
+// }

 name: get
 description: Open screens/snackbars/dialogs/bottomSheets without context, manage states and inject dependencies easily with Get.
-version: 3.1.0
+version: 3.1.2
 homepage: https://github.com/jonataslaw/get
 
 environment: