Passed package validation test suites..

com.unity.uiwidgets/CHANGELOG.md

 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-## [1.0.0-preview] - 2019-03-01
-
-### This is the first release of *Unity Package UIWidgets*.
-
-*just the first release*
-
-
-## [1.5.4-release] - 2019-08-30
+## [1.5.4-preview.1] - 2019-08-30
 
 #### In this release we mainly focus on the optimization and stabilization of the framework. 
 #### We also upgrade UIWidgets to version 1.5.4, mainly derived from flutter 1.5.4.
 - Optimize paragraph layout [\#254](https://github.com/UnityTech/UIWidgets/pull/254)
 - Support emoji display and edit [\#231](https://github.com/UnityTech/UIWidgets/pull/231)
 
+## [1.0.0-preview] - 2019-03-01
+
+### This is the first release of *Unity Package UIWidgets*.
+
+*just the first release*

com.unity.uiwidgets/LICENSE.md

-UIWidgets copyright © 2019 Unity Technologies ApS
+UIWidgets copyright © 2020 Unity Technologies ApS
 
 Licensed under the Unity Companion License for Unity-dependent projects--see [Unity Companion License](http://www.unity3d.com/legal/licenses/Unity_Companion_License). 
 

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com.unity.uiwidgets/Tests/Runtime/Unity.UIWidgets.Tests.asmdef

+{
+    "name": "Unity.UIWidgets.Tests",
+    "references": [
+        "Unity.UIWidgets"
+    ],
+    "optionalUnityReferences": [
+        "TestAssemblies"
+    ],
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com.unity.uiwidgets/Tests/Runtime/RuntimeExampleTest.cs

+using System.Collections;
+using NUnit.Framework;
+using UnityEngine.TestTools;
+
+class RuntimeExampleTest {
+    [Test]
+    public void PlayModeSampleTestSimplePasses() {
+        // Use the Assert class to test conditions.
+    }
+
+    // A UnityTest behaves like a coroutine in PlayMode
+    // and allows you to yield null to skip a frame in EditMode
+    [UnityTest]
+    public IEnumerator PlayModeSampleTestWithEnumeratorPasses() {
+        // Use the Assert class to test conditions.
+        // yield to skip a frame
+        yield return null;
+    }
+}