Update changelog

Author: davidwengier

CHANGELOG.md

@@ -46,12 +46,19 @@
   * Update 'use nameof instead of typeof' to support generic types (PR: [#76780](https://github.com/dotnet/roslyn/pull/76780))
   * Add feature to convert from an explicitly typed lambda to an implicitly typed one. (PR: [#76770](https://github.com/dotnet/roslyn/pull/76770))
   * Support modifiers with simple lambda parameters. (PR: [#75400](https://github.com/dotnet/roslyn/pull/75400))
-* Update Razor to 9.0.0-preview.25064.4 (PR: [#7927](https://github.com/dotnet/vscode-csharp/pull/7927))
+* Update Razor to 9.0.0-preview.25073.1 (PR: [#7940](https://github.com/dotnet/vscode-csharp/pull/7940))
   * Wire up the UseRoslynTokenizer feature properly (#11386) (PR: [#11386](https://github.com/dotnet/razor/pull/11386))
   * New Razor document formatting engine (#11364) (PR: [#11364](https://github.com/dotnet/razor/pull/11364))
   * Fix a couple of exceptions encountered when formatting documents with preprocessor directives (#11373) (PR: [#11373](https://github.com/dotnet/razor/pull/11373))
   * Allow RazorProjectEngine.Process to be cancelled (#11334) (PR: [#11334](https://github.com/dotnet/razor/pull/11334))
   * Further refactoring of Razor tooling project system (#11320) (PR: [#11320](https://github.com/dotnet/razor/pull/11320))
+  * Don't create overlapping changes when doing additional formatting (#11413) (PR: [#11413](https://github.com/dotnet/razor/pull/11413))
+  * Synchronize razor compiler assembly loading (#11394) (PR: [#11394](https://github.com/dotnet/razor/pull/11394))
+  * Allow generate method to handle delegates (#11402) (PR: [#11402](https://github.com/dotnet/razor/pull/11402))
+  * Fix bad completion commit in vs code (#11398) (PR: [#11398](https://github.com/dotnet/razor/pull/11398))
+  * SourceTexts for Everyone! (#11404) (PR: [#11404](https://github.com/dotnet/razor/pull/11404))
+  * Handful of performance fixes (#11399) (PR: [#11399](https://github.com/dotnet/razor/pull/11399))
+  * Use the overload that takes an immutable array in serailization (#11393) (PR: [#11393](https://github.com/dotnet/razor/pull/11393))
 
 # 2.62.x
 * Update Roslyn to 4.14.0-1.25060.2 (PR: [#7916](https://github.com/dotnet/vscode-csharp/pull/7916))