CHANGELOG.md in glimmer-2.7.3 vs CHANGELOG.md in glimmer-2.7.4

@@ -1,9 +1,13 @@
 # Change Log
 
 Related Change Logs:
 - [glimmer-dsl-swt/CHANGELOG.md](https://github.com/AndyObtiva/glimmer-dsl-swt/blob/master/CHANGELOG.md)
 
+### 2.7.4
+
+- Have `ObserveExpression` support passing an arbitrary number of arguments (not just the object and attribute) to support newer options from the Glimmer DSL like `recursive: true`
+
 ### 2.7.3
 
 - Support case-insensitive static expressions
 
 ### 2.7.2