CHANGELOG.md in aws-sdk-timestreamwrite-1.18.0 vs CHANGELOG.md in aws-sdk-timestreamwrite-1.19.0

@@ -1,7 +1,12 @@
 Unreleased Changes
 ------------------
 
+1.19.0 (2023-06-08)
+------------------
+
+* Feature - This release adds the capability for customers to define how their data should be partitioned, optimizing for certain access patterns. This definition will take place as a part of the table creation.
+
 1.18.0 (2023-05-31)
 ------------------
 
 * Feature - Code Generated Changes, see `./build_tools` or `aws-sdk-core`'s CHANGELOG.md for details.