update changelog

ManifoldFR · ManifoldFR · commit 58571e5303bf · 2023-12-01T00:15:19.000+01:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -6,6 +6,9 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ## [Unreleased]
 
+### Added
+- Support for C++11 `std::array` types
+
 ## [3.1.4] - 2023-11-27
 
 ### Added
