CHANGELOG.md in unicoder-0.1.0 vs CHANGELOG.md in unicoder-1.0.0

@@ -1,5 +1,23 @@
 ## CHANGELOG
 
+### 1.0.0
+
+With the first 1.0 release, unicoder supports 10 indexes:
+
+- blocks
+- categories
+- confusable
+- display_width
+- emoji
+- name
+- numeric_value
+- scripts
+- sequence_name
+- types
+
+All indexes can be build in `marshal` format (Ruby's internal
+serialization format) and some now support `esm` (JavaScript module)
+
 ### 0.1.0
 
-* WIP
+* Initial release