Release v2.0.0-preview.3 (#1706)

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: jeffhandley

README.md

@@ -16,6 +16,8 @@ The SDK packages are:
 
 - **[ModelContextProtocol.Extensions.Apps](https://www.nuget.org/packages/ModelContextProtocol.Extensions.Apps)** [![NuGet version](https://img.shields.io/nuget/v/ModelContextProtocol.Extensions.Apps.svg)](https://www.nuget.org/packages/ModelContextProtocol.Extensions.Apps) - MCP Apps extension for building interactive UI applications that render inside MCP hosts.
 
+- **[ModelContextProtocol.Extensions.Tasks](https://www.nuget.org/packages/ModelContextProtocol.Extensions.Tasks)** [![NuGet version](https://img.shields.io/nuget/v/ModelContextProtocol.Extensions.Tasks.svg)](https://www.nuget.org/packages/ModelContextProtocol.Extensions.Tasks) - MCP Tasks extension for running long-running tool invocations asynchronously with status polling and input requests.
+
 ## Getting Started
 
 To get started, see the [Getting Started](https://csharp.sdk.modelcontextprotocol.io/concepts/getting-started.html) guide in the conceptual documentation for installation instructions, package-selection guidance, and complete examples for both clients and servers.

src/Directory.Build.props

@@ -6,7 +6,7 @@
     <RepositoryUrl>https://github.com/modelcontextprotocol/csharp-sdk</RepositoryUrl>
     <RepositoryType>git</RepositoryType>
     <VersionPrefix>2.0.0</VersionPrefix>
-    <VersionSuffix>preview.2</VersionSuffix>
+    <VersionSuffix>preview.3</VersionSuffix>
     <Authors>ModelContextProtocol</Authors>
     <Copyright>© Model Context Protocol a Series of LF Projects, LLC.</Copyright>
     <PackageTags>ModelContextProtocol;mcp;ai;llm</PackageTags>

src/PACKAGE.md

@@ -4,7 +4,7 @@
 
 The official C# SDK for the [Model Context Protocol](https://modelcontextprotocol.io/), enabling .NET applications, services, and libraries to implement and interact with MCP clients and servers. Please visit the [API documentation](https://csharp.sdk.modelcontextprotocol.io/api/ModelContextProtocol.html) for more details on available functionality.
 
-See the [release notes](https://github.com/modelcontextprotocol/csharp-sdk/releases/tag/v2.0.0-preview.2) for what's new in this version.
+See the [release notes](https://github.com/modelcontextprotocol/csharp-sdk/releases/tag/v2.0.0-preview.3) for what's new in this version.
 
 ## Packages
 
@@ -18,6 +18,8 @@ The SDK packages are:
 
 - **[ModelContextProtocol.Extensions.Apps](https://www.nuget.org/packages/ModelContextProtocol.Extensions.Apps)** [![NuGet version](https://img.shields.io/nuget/vpre/ModelContextProtocol.Extensions.Apps.svg)](https://www.nuget.org/packages/ModelContextProtocol.Extensions.Apps) - MCP Apps extension for building interactive UI applications that render inside MCP hosts.
 
+- **[ModelContextProtocol.Extensions.Tasks](https://www.nuget.org/packages/ModelContextProtocol.Extensions.Tasks)** [![NuGet version](https://img.shields.io/nuget/vpre/ModelContextProtocol.Extensions.Tasks.svg)](https://www.nuget.org/packages/ModelContextProtocol.Extensions.Tasks) - MCP Tasks extension for running long-running tool invocations asynchronously with status polling and input requests.
+
 ## Getting Started
 
 To get started, see the [Getting Started](https://csharp.sdk.modelcontextprotocol.io/concepts/getting-started.html) guide for installation instructions, package-selection guidance, and complete examples for both clients and servers.