diff --git a/cpp/ql/lib/change-notes/2026-01-02-decimal-removal.md b/cpp/ql/lib/change-notes/2026-01-02-decimal-removal.md
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+---
+category: minorAnalysis
+---
+* The `_Decimal32`, `_Decimal64`, and `_Decimal128` types are no longer exposed as builtin types. Support for these gcc-specific types was incomplete, and are generally not used in C/C++ codebases.