Potential fix for pull request finding

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

Author: skottmckay

sdk_v2/DEVELOPMENT.md

@@ -23,7 +23,7 @@ All four SDKs (C++, C#, Python, JS/TS) build on **Windows**, **Linux**, and
 | CMake            | 3.20            | Driven by `sdk_v2/cpp/build.py`; do not invoke `cmake --build` directly.              |
 | vcpkg            | recent          | Set `VCPKG_ROOT`, or use the copy bundled with Visual Studio (auto-detected).         |
 | Python           | 3.11–3.14, **64-bit** | Required by `build.py` and for the Python SDK. 32-bit Python will not work.   |
-| .NET SDK         | 8.0             | C# tests target `net8.0` (and `net462` on Windows, which comes from .NET Framework Targeting Pack via VS). |
+| .NET SDK         | 9.0             | C# projects target `net8.0;net9.0;netstandard2.0` (and `net462` on Windows from the .NET Framework Targeting Pack via VS); the WinML variant targets `net9.0-windows10.0.26100.0`. |
 | Node.js          | 20 LTS or newer | Brings `npm`. The JS SDK declares `"engines": { "node": ">=20" }`.                    |
 | PowerShell       | 7+ (`pwsh`)     | The one-shot script and `samples/js/test-v2.ps1` are written for PowerShell 7.        |