--- a/CHANGELOG	Thu Dec 04 18:57:54 2025 +0100
+++ b/CHANGELOG	Fri Dec 05 16:11:39 2025 +0100
@@ -1,3 +1,8 @@
+Version 4.0 - tbd
+------------------------
+
+* adds cx_system_page_size() to allocator.h
+
 Version 3.2 - 2025-11-30
 ------------------------