CHANGELOG.md in opentelemetry-resource_detectors-0.20.0 vs CHANGELOG.md in opentelemetry-resource_detectors-0.21.0

- old
+ new

@@ -1,6 +1,11 @@
 # Release History: opentelemetry-resource_detectors
 
+### v0.21.0 / 2022-06-09
+
+* BREAKING CHANGE: This requires upgrading both the SDK and Instrumentation gem in tandem
+
+
 ### v0.20.0 / 2022-05-02
 
 * ADDED: Added Google Cloud Function Resource Detection 
 
 ### v0.19.1 / 2021-09-29