CHANGELOG.md in eco-helpers-1.5.8 vs CHANGELOG.md in eco-helpers-1.5.9

@@ -1,16 +1,25 @@
 # Change Log
 All notable changes to this project will be documented in this file.
 
-## [1.5.8] - 2020-12-xx
+## [1.5.9] - 2021-01-08
 
 ### Added
+  - `Eco::API::Organization::TagTree#subtags` to get all the tags but those of the highest level.
+
 ### Changed
 ### Fixed
+
+
+## [1.5.8] - 2021-01-05
+
+### Added
+### Changed
+### Fixed
   - `Eco::API::Session::Batch::Jobs#job` shouldn't be calling the post-launch callback function on creation.
   - `Eco::API::Session#new_job` should include a `&block` parameter.
   - `Eco::API::UseCases::DefaultCases::RefreshCase`: fixed typo
-  
+
 ## [1.5.7] - 2020-12-17
 
 ### Added
 ### Changed
 ### Fixed