CHANGELOG.md in eco-helpers-1.5.10 vs CHANGELOG.md in eco-helpers-1.5.11

- old
+ new

@@ -1,8 +1,18 @@
 # Change Log
 All notable changes to this project will be documented in this file.
 
-## [1.5.10] - 2021-01-xx
+## [1.5.11] - 2021-01-xx
+
+### Added
+  - `Eco::API::Organization::TagTree#subtag?` to check if the tag is in any subtree.
+
+### Changed
+
+### Fixed
+  - `Eco::API::MicroCases#set_supervisor` shouldn't set it if the entry does not have it.
+
+## [1.5.10] - 2021-01-19
 
 ### Added
 ### Changed
 ### Fixed
   - `Eco::API::Session::Batch::Errors#print` show the row number of the input data.