release prep for 1.0.0-beta.1

Author: trrwilson

sdk/ai/Azure.AI.Projects.OpenAI/CHANGELOG.md

@@ -1,11 +1,11 @@
 # Release History
 
-## 1.0.0-beta.1 (Unreleased)
+## 1.0.0-beta.1 (2025-11-14)
 
-### Features Added
-
-### Breaking Changes
+This is the first release of the `Azure.AI.Projects.OpenAI` library, a new extension package for the official `OpenAI` .NET library that facilitates and simplifies use of Microsoft Foundry extensions to OpenAI APIs.
 
-### Bugs Fixed
+### Features Added
 
-### Other Changes
+- `Responses` support, including C# 14 extension properties to `OpenAIResponse` and `ResponseCreationOptions`, together with a `ProjectResponsesClient` type (extends official `OpenAIResponseClient`)
+- `Files` support, including a `ProjectFilesClient` type (extends official `OpenAIFileClient`)
+- Types and functionality in support of `Azure.AI.Projects` OpenAI-based features, including new Microsoft Foundry Agents Service capabilities

sdk/ai/Azure.AI.Projects.OpenAI/src/Azure.AI.Projects.OpenAI.csproj

@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <Description>
       The official .NET library for extended OpenAI API capabilities in Microsoft Foundry, including those used by the Foundry Agents Service.