diff --git a/sdk/cosmos/azure-cosmos/CHANGELOG.md b/sdk/cosmos/azure-cosmos/CHANGELOG.md
index 14ca77f8a51fe..360647283f588 100644
--- a/sdk/cosmos/azure-cosmos/CHANGELOG.md
+++ b/sdk/cosmos/azure-cosmos/CHANGELOG.md
@@ -1,7 +1,8 @@
 ## Release History
 
-## 4.19.0-beta.1 (Unreleased)
-
+### 4.19.0-beta.1 (2021-09-02)
+#### Key Bug Fixes
+* Added support to switch off IO thread for response processing.
 
 ### 4.18.0 (2021-08-16)
 > [!IMPORTANT]
diff --git a/sdk/cosmos/azure-spring-data-cosmos/CHANGELOG.md b/sdk/cosmos/azure-spring-data-cosmos/CHANGELOG.md
index 9760976bab6f0..df45567a7518d 100644
--- a/sdk/cosmos/azure-spring-data-cosmos/CHANGELOG.md
+++ b/sdk/cosmos/azure-spring-data-cosmos/CHANGELOG.md
@@ -1,7 +1,11 @@
 ## Release History
 
-## 3.11.0-beta.1 (Unreleased)
+### 3.11.0-beta.1 (2021-09-02)
+#### New Features
+* Updated `azure-cosmos` to version 4.19.0-beta.1.
 
+#### Key Bug Fixes
+* Fixed spring data cosmos query plan caching.
 
 ### 3.10.0 (2021-08-16)
 > [!IMPORTANT]