CHANGELOG.md in eco-rake-0.2.0 vs CHANGELOG.md in eco-rake-0.2.1

@@ -8,9 +8,15 @@
 
 ### Fixed
 
 ### Changed
 
+## [0.2.1] - 2024-08-07
+
+### Added
+
+- `SNAPSHOT_MODE` new mode: `:delta_last`
+
 ## [0.2.0] - 2024-08-01
 
 ### Changed
 
 - require `ruby 3`