diff --git a/CHANGES.md b/CHANGES.md
new file mode 100644
index 0000000..f4fb26c
--- /dev/null
+++ b/CHANGES.md
@@ -0,0 +1,9 @@
+# version 2.3.0 (2024-08-27)
+
+- add nonparametric confidence intervals for average effects
+
+# version 2.2.2 (2024-08-18)
+
+- Include Random Vector Functional Link Networks
+- Add online learning 
+- Read: https://thierrymoudiki.github.io/blog/2024/08/19/r/python/code-conformal-adaptive-RVFL
\ No newline at end of file