CHANGELOG.md in mixlib-install-2.1.9 vs CHANGELOG.md in mixlib-install-2.1.10

@@ -1,6 +1,9 @@
 # Change Log
 
+## [2.1.10]
+- Backward and forward compatibility support for `automate` and `delivery` product versions.
+
 ## [2.1.9]
 - Add `download_directory` option to powershell install script
 
 ## [2.1.8]
 - Query performance optimizations