CHANGELOG.md in opentelemetry-api-0.14.0 vs CHANGELOG.md in opentelemetry-api-0.15.0

@@ -1,6 +1,11 @@
 # Release History: opentelemetry-api
 
+### v0.15.0 / 2021-02-18
+
+* ADDED: Add instrumentation config validation 
+* DOCS: Clarify nil attribute values not allowed 
+
 ### v0.14.0 / 2021-02-03
 
 * BREAKING CHANGE: Replace getter and setter callables and remove rack specific propagators 
 
 * ADDED: Replace getter and setter callables and remove rack specific propagators