update changelog (Azure#21308)

xiangyan99 · web-flow · commit 1842c216aa41 · 2021-10-18T09:57:44.000-07:00
diff --git a/sdk/core/azure-core/CHANGELOG.md b/sdk/core/azure-core/CHANGELOG.md
@@ -12,6 +12,8 @@
 
 ### Other Changes
 
+- Refactor AzureJSONEncoder (thanks to @Codejune for the contribution)  #21028
+
 ## 1.19.0 (2021-09-30)
 
 ### Breaking Changes in the Provisional `azure.core.rest` package
