CHANGELOG.md in aws-sdk-xray-1.57.0 vs CHANGELOG.md in aws-sdk-xray-1.58.0

@@ -1,7 +1,12 @@
 Unreleased Changes
 ------------------
 
+1.58.0 (2023-09-13)
+------------------
+
+* Feature - Add StartTime field in GetTraceSummaries API response for each TraceSummary.
+
 1.57.0 (2023-07-11)
 ------------------
 
 * Feature - Code Generated Changes, see `./build_tools` or `aws-sdk-core`'s CHANGELOG.md for details.