CHANGELOG.md in avromatic-0.20.0 vs CHANGELOG.md in avromatic-0.21.0.rc0

@@ -1,6 +1,10 @@
 # avromatic changelog
 
+## v0.21.0
+- Add support for additional parameters to
+  `AvroTurf::ConfluentSchemaRegistry#compatible?`.
+
 ## v0.20.0
 - Support schema stores with a `#clear_schemas` method.
 
 ## v0.19.0
 - Use a fingerprint based on `avro-resolution_canonical_form`.