diff --git a/CHANGES.md b/CHANGES.md
index 2657613ec..d6fde3728 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -22,6 +22,10 @@
   [#2780](https://github.com/reasonml/reason/pull/2780))
 - Improve printing of arrows with labelled arguments (@anmonteiro,
   [#2778](https://github.com/reasonml/reason/pull/2778))
+- Parse and print extensions in `open%foo` expressions and structure items
+  (@anmonteiro, [#2784](https://github.com/reasonml/reason/pull/2784))
+- Add support for module type substitutions
+  (@anmonteiro, [#2785](https://github.com/reasonml/reason/pull/2785))
 
 ## 3.12.0