diff --git a/HISTORY.md b/CHANGELOG.md
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@@ -6,11 +6,14 @@
 
 - support new variable notation ${var}
 - use \$\$ to escape \$ notation
+- add Python 3.7 for travis CI
 
 **Bugfixes**
 
 - match duplicate variable/function in single raw string
 - escape '{' and '}' notation in raw string
+- print_info: TypeError when value is None
+- display api name when running api as testcase
 
 ## 2.1.1 (2019-04-11)