chore(main): release 6.4.0-preview

Author: release-please-token-provider[bot]

.release-please-manifest.json

@@ -1,3 +1,3 @@
 {
-    ".": "6.3.0-preview"
+    ".": "6.4.0-preview"
 }

CHANGELOG.md

@@ -6,6 +6,13 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project does NOT adhere to [Semantic Versioning](https://semver.org/spec/v2.0.0.html) and packages shipped from the beta service library will always be in `preview` as changes to the API are for non production use and commonly ship breaking changes.
 
 
+## [6.4.0-preview](https://github.com/microsoftgraph/msgraph-beta-sdk-dotnet/compare/6.3.0-preview...6.4.0-preview) (2026-07-22)
+
+
+### Features
+
+* **generation:** update request builders and models ([d76980e](https://github.com/microsoftgraph/msgraph-beta-sdk-dotnet/commit/d76980e75b5222dbc05b326341fcfb5107a3169b))
+
 ## [6.3.0-preview](https://github.com/microsoftgraph/msgraph-beta-sdk-dotnet/compare/6.2.0-preview...6.3.0-preview) (2026-07-10)
 
 

src/Microsoft.Graph/Microsoft.Graph.Beta.csproj

@@ -27,7 +27,7 @@
     </PackageReleaseNotes>
     <!-- edit this value to change the current major.minor.patch version -->
     <!-- x-release-please-start-version -->
-    <Version>6.3.0-preview</Version>
+    <Version>6.4.0-preview</Version>
     <!-- x-release-please-end -->
     <!-- adds a version suffix if the Prerelease environment variable is set. BUILD_BUILDID is an
     environment variable set by Azure pipelines from the build. We can use the buildid to correlate