Update whats-new.md

Author: jonburchel

articles/data-factory/whats-new.md

@@ -24,6 +24,28 @@ This page is updated monthly, so revisit it regularly.  For older months' update
 
 Check out our [What's New video archive](https://www.youtube.com/playlist?list=PLt4mCx89QIGS1rQlNt2-7iuHHAKSomVLv) for all of our monthly update videos.
 
+## August 2023
+
+### Change Data Capture
+
+- Azure Synapse Analytics target availability in top-level CDC resource [Learn more](concepts-change-data-capture-resource.md#azure-synapse-analytics-as-target)
+- Snowflake connector in Mapping Data Flows support for Change Data Capture in public preview [Learn more](connector-snowflake.md?tabs=data-factory#mapping-data-flow-properties)
+
+### Data flow
+
+- Integer type available for pipeline variables [Learn more](https://techcommunity.microsoft.com/t5/azure-data-factory-blog/integer-type-available-for-pipeline-variables/ba-p/3902472)
+- Snowflake CDC source connector available in top-level CDC resource [Learn more](concepts-change-data-capture-resource.md)
+- Native UI support of parameterization for more linked services [Learn more](parameterize-linked-services.md?tabs=data-factory#supported-linked-service-types)
+
+### Data movement
+
+- Managed private endpoints support for Application Gateway and MySQL Flexible Server [Learn more](managed-virtual-network-private-endpoint.md#time-to-live-preview)
+- Managed virtual network time-to-live (TTL) general availability [Learn more](managed-virtual-network-private-endpoint.md#time-to-live-preview)
+
+### Integration runtime
+
+Self-hosted integration runtime now supports self-contained interactive authoring (Preview) [Learn more](create-self-hosted-integration-runtime.md?tabs=data-factory#self-contained-interactive-authoring-preview)
+
 ## July 2023
 
 ### Change Data Capture