CHANGELOG.md in opentelemetry-propagator-b3-0.15.0 vs CHANGELOG.md in opentelemetry-propagator-b3-0.16.0

@@ -1,6 +1,10 @@
 # Release History: opentelemetry-propagator-b3
 
+### v0.16.0 / 2021-03-17
+
+* DOCS: Replace Gitter with GitHub Discussions 
+
 ### v0.15.0 / 2021-02-18
 
 * (No significant changes)
 
 ### v0.14.0 / 2021-02-03