diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4f31d298a5f77a76e5ed1596899a09ff25410270..d5a48b880c34c2666db0157f0f45dd1269afc37d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -33,6 +33,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 * Updated PV-names to be ESS compliant, and remove VERSIONS PV
 * Changed from `build number` to `revision number`
 * Added revision number parsing for test versions
+* Joined together the variables `REQUIRE_CONFIG` and `E3_REQUIRE_CONFIG`
+* Removed legacy file `DECOUPLE_FLAGS`
 
 ## [4.0.0]