Update Core changelog (Azure#25109)

annelo-msft · web-flow · commit 861d9317dd12 · 2021-11-03T23:08:36.000Z
diff --git a/sdk/core/Azure.Core/CHANGELOG.md b/sdk/core/Azure.Core/CHANGELOG.md
@@ -2,6 +2,9 @@
 
 ## 1.21.0 (2021-11-03)
 
+- Added `RequestContext` and `ErrorOptions` types to aid in configuring requests.
+- Added `ContentType` strongly-typed string to allow operation callers to specify the content type of a request.
+
 ## 1.20.0 (2021-10-01)
 
 ### Features Added
