Readme update for release (#1267)

* auto

* changelog

Author: weidongxu-microsoft

README.md

@@ -8,7 +8,7 @@ Documentation is available [on this page](https://aka.ms/azure-sdk-dotnet-mgmt)
 
 # Azure Management Libraries for .NET
 
-This README is based on the released stable version (1.37.1). If you are looking for other releases, see [More Information](#more-information)
+This README is based on the released stable version (1.38.0). If you are looking for other releases, see [More Information](#more-information)
 
 The Azure Management Libraries for .NET is a higher-level, object-oriented API for managing Azure resources. Libraries are built on the lower-level, request-response style [auto generated clients](https://github.com/Azure/azure-sdk-for-net/tree/AutoRest) and can run side-by-side with [auto generated clients](https://github.com/Azure/azure-sdk-for-net/tree/AutoRest).
 
@@ -28,7 +28,7 @@ The Azure Management Libraries for .NET is a higher-level, object-oriented API f
 * [More information](#more-information)
 
 ## Feature Availability and Road Map
-:triangular_flag_on_post: *as of Version 1.37.1*
+:triangular_flag_on_post: *as of Version 1.38.0*
 
 <table>
   <tr>
@@ -599,7 +599,7 @@ IAzure azure = Azure.Configure().WithLogLevel(HttpLoggingDelegatingHandler.Level
 
 ### Latest stable release
 
-**1.37.1** release builds are available on NuGet:
+**1.38.0** release builds are available on NuGet:
 
 |Azure Management Library                     | Package name                                        | Stable                 |
 |---------------------------------------------|-----------------------------------------------------|------------------------|
@@ -638,7 +638,7 @@ IAzure azure = Azure.Configure().WithLogLevel(HttpLoggingDelegatingHandler.Level
 
 ## Upgrading from older versions
 
-If you are migrating your code from 1.37.0 to 1.37.1, you can use these release notes for [preparing your code for 1.37.1 from 1.37.0](./notes/prepare-for-1.37.1.md).
+If you are migrating your code from 1.37.1 to 1.38.0, you can use these release notes for [preparing your code for 1.38.0 from 1.37.1](./notes/prepare-for-1.38.0.md).
 
 In general, Azure Libraries for .Net follow [semantic versioning](http://semver.org/), so user code should continue working in a compatible fashion between minor versions of the same major version release train, with the following caveats:
 
@@ -673,6 +673,7 @@ If you would like to become an active contributor to this project please follow
 
 | Version           | SHA1                                                                                      | Remarks                                               |
 |-------------------|-------------------------------------------------------------------------------------------|-------------------------------------------------------|
+| 1.38              | [1.38](https://github.com/Azure/azure-libraries-for-net/releases/tag/Fluent-v1.38.0)      | Tagged release for 1.38 version of Azure management libraries |
 | 1.37.1              | [1.37.1](https://github.com/Azure/azure-libraries-for-net/releases/tag/Fluent-v1.37.1)      | Tagged release for 1.37.1 version of Azure management libraries |
 | 1.37              | [1.37](https://github.com/Azure/azure-libraries-for-net/releases/tag/Fluent-v1.37.0)      | Tagged release for 1.37 version of Azure management libraries |
 | 1.36.1              | [1.36.1](https://github.com/Azure/azure-libraries-for-net/releases/tag/Fluent-v1.36.1)      | Tagged release for 1.36.1 version of Azure management libraries |

notes/prepare-for-1.38.0.md

@@ -0,0 +1,46 @@
+# Prepare for Azure Management Libraries for .NET 1.38 #
+
+Steps to migrate code that uses Azure Management Libraries for .NET from 1.37.1 to 1.38 ...
+
+> If this note missed any breaking changes, please open a pull request.
+
+V1.38 is backwards compatible with V1.37.1 in the APIs intended for public use that reached the general availability (stable) stage in V1.x.
+
+## Features
+
+- Updating resource tag via `IAzure.GenericResources.Manager.Inner.Tags.UpdateAtScopeAsync`.
+
+## Breaking changes
+
+The following methods and/or types have been changed in V1.38 compared to the previous release (V1.37.1):
+
+<table>
+  <tr>
+    <th align=left>Area/Model</th>
+    <th align=left>In V1.37.1</th>
+    <th align=left>In V1.38</th>
+    <th align=left>Remarks</th>
+    <th align=left>Ref</th>
+  </tr>
+  <tr>
+    <td align=left>Resources</td>
+    <td align=left>Type of property <code>IDeployment.ProvisioningState</code> is <code>string</code></td>
+    <td align=left>Type is changed to <code>ProvisioningState</code></td>
+    <td align=left></td>
+    <td align=left><a href="https://github.com/Azure/azure-libraries-for-net/pull/1261">PR #1261</th>
+  </tr>
+  <tr>
+    <td align=left>Resources</td>
+    <td align=left>Property <code>IDeployment.Template</code></td>
+    <td align=left>Removed, as it is not in response</td>
+    <td align=left></td>
+    <td align=left><a href="https://github.com/Azure/azure-libraries-for-net/pull/1261">PR #1261</th>
+  </tr>
+  <tr>
+    <td align=left>Resources</td>
+    <td align=left>Update flow of <code>IIGenericResource</code> uses PUT method</td>
+    <td align=left>Changed to use PATCH method</td>
+    <td align=left></td>
+    <td align=left><a href="https://github.com/Azure/azure-libraries-for-net/pull/1261">PR #1261</th>
+  </tr>
+</table>