diff --git a/csharp/ql/lib/change-notes/2024-09-04-build-mode-none.md b/csharp/ql/lib/change-notes/2024-09-04-build-mode-none.md
new file mode 100644
index 00000000000..4d8eb2fa1d2
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+++ b/csharp/ql/lib/change-notes/2024-09-04-build-mode-none.md
@@ -0,0 +1,4 @@
+---
+category: feature
+---
+* C# support for `build-mode: none` is now out of beta, and generally available.