CHANGELOG.md in aws-sdk-pinpointemail-1.54.0 vs CHANGELOG.md in aws-sdk-pinpointemail-1.55.0

@@ -1,7 +1,12 @@
 Unreleased Changes
 ------------------
 
+1.55.0 (2024-09-03)
+------------------
+
+* Feature - Code Generated Changes, see `./build_tools` or `aws-sdk-core`'s CHANGELOG.md for details.
+
 1.54.0 (2024-07-02)
 ------------------
 
 * Feature - Code Generated Changes, see `./build_tools` or `aws-sdk-core`'s CHANGELOG.md for details.