diff --git a/sdk/synapse/Azure.Analytics.Synapse.AccessControl/CHANGELOG.md b/sdk/synapse/Azure.Analytics.Synapse.AccessControl/CHANGELOG.md
index 2278762c1e83..027e3c66603c 100644
--- a/sdk/synapse/Azure.Analytics.Synapse.AccessControl/CHANGELOG.md
+++ b/sdk/synapse/Azure.Analytics.Synapse.AccessControl/CHANGELOG.md
@@ -2,6 +2,11 @@
 
 ## 1.0.0-preview.3 (Unreleased)
 
+### Added
+- Improved samples and documentation.
+
+### Changed
+- `AccessControlClient` is now split into `RoleAssignmentsClient` and a `RoleDefinitionsClient` with a changed API surface.
 
 ## 1.0.0-preview.2 (2020-09-01)
 - This release contains bug fixes to improve quality.
diff --git a/sdk/synapse/Azure.Analytics.Synapse.Artifacts/CHANGELOG.md b/sdk/synapse/Azure.Analytics.Synapse.Artifacts/CHANGELOG.md
index af93c9cb0ae6..883c91949586 100644
--- a/sdk/synapse/Azure.Analytics.Synapse.Artifacts/CHANGELOG.md
+++ b/sdk/synapse/Azure.Analytics.Synapse.Artifacts/CHANGELOG.md
@@ -1,13 +1,24 @@
 # Release History
 
 ## 1.0.0-preview.6 (Unreleased)
-- Expose some models
 
-## 1.0.0-beta.1 (2020-11-12)
-- Supports List/Get Synapse resources through data plane APIs
+### Added
+- Many models classes are now public.
+- Added `BigDataPoolsClient`, `IntegrationRuntimesClient`, `SqlPoolsClient`, `WorkspaceClient` and associated support types.
+- Added `Workspace`, `LastCommitId`, and `TenantId` on `Workspace`.
+- Supports List/Get Synapse resources through data plane APIs.
+- Support Rename operations.
+- Support CICD operations.
+- Improved samples and documentation.
+
+### Changed
+- Changed APIs on `SparkJobDefinitionClient` and `SqlScriptClient` to provide a Long Running Operation (LRO) when operations can be long in duration.
+- Removed `HaveLibraryRequirementsChanged` and added `DynamicExecutorAllocation` on `BigDataPoolResourceInfo`.
+- Removed `BabylonConfiguration` and added `PurviewConfiguration` on `Workspace`.
+- `BlobEventTypes` renamed to `BlobEventType`.
+
+### Fixed
 - Make `name` as required parameter for `NotebookResource` and `SqlScriptResource`
-- Support Rename operations
-- Suport CICD operations
 
 ## 1.0.0-preview.4 (2020-09-01)
 - Added test cases.
diff --git a/sdk/synapse/Azure.Analytics.Synapse.ManagedPrivateEndpoints/CHANGELOG.md b/sdk/synapse/Azure.Analytics.Synapse.ManagedPrivateEndpoints/CHANGELOG.md
index 3e270aaaa16e..72f7494ace12 100644
--- a/sdk/synapse/Azure.Analytics.Synapse.ManagedPrivateEndpoints/CHANGELOG.md
+++ b/sdk/synapse/Azure.Analytics.Synapse.ManagedPrivateEndpoints/CHANGELOG.md
@@ -2,6 +2,11 @@
 
 ## 1.0.0-beta.2 (Unreleased)
 
+### Added
+- Improved samples and documentation.
+
+### Changed
+- Renamed parameter names containing `managedVirtualNetwork` to use `managedPrivateEndpoint` in `ManagedPrivateEndpointsClient`.
 
 ## 1.0.0-beta.1 (2020-11-12)
 - Initial release
diff --git a/sdk/synapse/Azure.Analytics.Synapse.Monitoring/CHANGELOG.md b/sdk/synapse/Azure.Analytics.Synapse.Monitoring/CHANGELOG.md
index 3e270aaaa16e..aad5bb6afd5e 100644
--- a/sdk/synapse/Azure.Analytics.Synapse.Monitoring/CHANGELOG.md
+++ b/sdk/synapse/Azure.Analytics.Synapse.Monitoring/CHANGELOG.md
@@ -2,6 +2,11 @@
 
 ## 1.0.0-beta.2 (Unreleased)
 
+### Added
+- Improved samples and documentation.
+
+### Changed
+- Fix nullability exception in Debug builds.
 
 ## 1.0.0-beta.1 (2020-11-12)
 - Initial release
diff --git a/sdk/synapse/Azure.Analytics.Synapse.Spark/CHANGELOG.md b/sdk/synapse/Azure.Analytics.Synapse.Spark/CHANGELOG.md
index 4346f21ead2c..0e3f73a24e45 100644
--- a/sdk/synapse/Azure.Analytics.Synapse.Spark/CHANGELOG.md
+++ b/sdk/synapse/Azure.Analytics.Synapse.Spark/CHANGELOG.md
@@ -2,9 +2,13 @@
 
 ## 1.0.0-preview.4 (Unreleased)
 
+### Changed
+- Changed APIs on `SparkBatchClient` and `SparkSessionClient` to provide a Long Running Operation (LRO) when operations can be long in duration.
+- Renamed `Msg` to `Message` on `SparkStatementCancellationResult`.
+- Renamed `DotNetSpark` to `Dotnetspark` and `PySpark` to `Pyspark` on `SparkStatementCollection`.
 
-## 1.0.0-beta.1 (2020-11-22)
-- This release contains bug fixes to improve quality.
+### Added
+- Improved samples and documentation
 
 ## 1.0.0-preview.2 (2020-09-01)
 - This release contains bug fixes to improve quality.