CHANGELOG.md in aipp-0.2.1 vs CHANGELOG.md in aipp-0.2.2

@@ -1,10 +1,24 @@
+## 0.2.2
+
+#### Changes
+* Helper modules instead of one monolythic `helper.rb`
+
+#### Additions
+* LF/AD-1.3
+* LF/AD-1.6
+* LF/AD-2
+
 ## 0.2.1
 
 #### Changes
+* Require Ruby 2.6
 * Fix broken downloader
 
+#### Additions
+* Support for PDF files
+
 ## 0.2.0
 
 #### Changes
 * Complete rewrite of the framework in order to allow cross-AIP parsing made necessary due to recent changes in LF AIP.
 
@@ -36,7 +50,8 @@
 * Helper modules
 
 ## 0.1.0
 
 #### Initial Implementation
+* Require Ruby 2.5
 * Framework and aip2aixm executable
 * LF/ENR-5.1