diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4122e3f..82155ee 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -43,6 +43,9 @@
 - [asm] add directives
 - [c] add unix standard functions, const and others
 - [cpp] add some c++11 types
+- [csharp] add new number suffixes u, uy, etc.
+- [csharp] add new operators ?:, ??, etc.
+- [csharp] retire obsolete cmdlets
 
 ## [1.2.0] - 2021-09-12