DOC-6098 RS: Added smart client handoff to new features in 8.0.2 release notes (#2536)

Author: rrelledge

content/operate/rs/release-notes/rs-8-0-releases/_index.md

@@ -39,6 +39,8 @@ This version offers:
 
 - Customer-managed certificates for internode encryption
 
+- Smart client handoffs
+
 ## Detailed release notes
 
 For more detailed release notes, select a build version from the following table:

content/operate/rs/release-notes/rs-8-0-releases/rs-8-0-2-17.md

@@ -37,6 +37,8 @@ This version offers:
 
 - Customer-managed certificates for internode encryption
 
+- Smart client handoffs
+
 ## New in this release
 
 ### New features
@@ -164,6 +166,10 @@ The [metrics stream engine]({{<relref "/operate/rs/monitoring/metrics_stream_eng
 
 Instead of using Redis Enterprise Software's self-signed certificates for internode encryption, you can provide certificates generated by your Certificate Authority (CA). See [Customer-provided certificates ]({{<relref "/operate/rs/security/encryption/internode-encryption#customer-provided-certificates">}}) for details.
 
+#### Smart client handoffs
+
+Smart client handoffs enable zero-disruption maintenance for Redis databases by allowing clients to reconnect gracefully during planned operations like cluster upgrades or database version upgrades. Applications stay online with no hard disconnects or timeout errors. See [Smart client handoffs]({{<relref "/operate/rs/clusters/configure/sch">}}) for more information.
+
 ### Enhancements
 
 - Module management enhancements: