diff --git a/README.md b/README.md
index f513018..f1cd0a6 100755
--- a/README.md
+++ b/README.md
@@ -7,7 +7,6 @@
 ----
 
 This is the current, actively developed 3.x branch which is implementing Materialize version 1.0 and thus breaking backwards compatibility.
-**Please note: This branch is in beta phase right now. You might use it, but on your own liability.**
 
 [Go to 1.x version](https://github.com/MacGyer/yii2-materializecss/tree/1.x)
 
@@ -20,9 +19,9 @@ This package integrates the Materialize CSS framework into [Yii2](http://www.yii
 
 See [official documentation](http://macgyer.github.io/yii2-materializecss/) for detailed information.
 
-**New**: Have a look at the [official demo page](https://yii2-materializecss.pluspunkt-coding.de) to see the repo in action.
+Have a look at the [official demo page](https://yii2-materializecss.pluspunkt-coding.de) to see the repo in action (needs adaption to v3)
 
-Current Materialize version implemented: 1.0.0-rc.1
+Current Materialize version implemented: 1.0.0.
 
 ## Installation
 
@@ -34,6 +33,8 @@ You also should install the Composer Asset Plugin to handle NPM and Bower assets
 $ composer global require "fxp/composer-asset-plugin:~1.4"
 ```
 
+Or you can make use of Asset Packagist: <https://asset-packagist.org/>
+
 To install the package add the following to the ```require``` section of your composer.json:
 ```
 "require": {
@@ -129,13 +130,17 @@ Systems operating on normal parameters :)
 
 ## Sample layout
 
-As of version 1.0.6 there is a sample layout file included in the package. You can use this file to get inspiration for
+There is a sample layout file included in the package. You can use this file to get inspiration for
 your own layout or replace the respective ```views/layouts/main.php``` with the file provided.
 
 You can find the sample layout file in ```src/layout/main.php```.
 
 ## Change log
 
+### 3.0.0 - 2018-11-16
+* implement Materialize v1.0.0
+* **Breaking changes included**
+
 ### 2.0.0 - 2017-07-30
 * **Please note: this release contains breaking changes**
 * moved [Breadcrumbs](https://github.com/MacGyer/yii2-materializecss/blob/master/src/widgets/navigation/Breadcrumbs.php), [Dropdown](https://github.com/MacGyer/yii2-materializecss/blob/master/src/widgets/navigation/Dropdown.php), [FixedActionButton](https://github.com/MacGyer/yii2-materializecss/blob/master/src/widgets/navigation/FixedActionButton.php), [Nav](https://github.com/MacGyer/yii2-materializecss/blob/master/src/widgets/navigation/Nav.php), [NavBar](https://github.com/MacGyer/yii2-materializecss/blob/master/src/widgets/navigation/NavBar.php) and [SideNav](https://github.com/MacGyer/yii2-materializecss/blob/master/src/widgets/navigation/SideNav.php) to dedicated namespace (**breaking**)
diff --git a/composer.json b/composer.json
index 6db9619..3a69050 100755
--- a/composer.json
+++ b/composer.json
@@ -1,6 +1,6 @@
 {
     "name": "macgyer/yii2-materializecss",
-    "minimum-stability": "RC",
+    "minimum-stability": "stable",
     "description": "Materialize CSS implementation for Yii2",
     "keywords": ["materialize", "yii2", "widgets", "material design"],
     "homepage": "http://macgyer.github.io/yii2-materializecss",
@@ -13,12 +13,12 @@
             "role": "Developer"
         }
     ],
-    "version": "3.0.1-RC",
+    "version": "3.0.0",
     "require": {
         "php": ">=5.6.0",
         "yiisoft/yii2": "~2.0.0",
 
-        "bower-asset/materialize": "1.0.*@RC"
+        "bower-asset/materialize": "1.0.0"
     },
     "autoload": {
         "psr-4": {
diff --git a/src/widgets/form/Select.php b/src/widgets/form/Select.php
index 2c46806..b4f6e2b 100755
--- a/src/widgets/form/Select.php
+++ b/src/widgets/form/Select.php
@@ -151,7 +151,7 @@ protected function insertPlaceholder()
             $this->items = ArrayHelper::merge(['' => $placeholder], $this->items);
 
             $placeholderOption = [
-                '' => ['disabled' => true, 'selected' => true],
+                '' => ['disabled' => true],
             ];
             $this->options['options'] = ArrayHelper::merge($placeholderOption, $this->options['options']);
         }