diff --git a/modules/ROOT/pages/whatsnew.adoc b/modules/ROOT/pages/whatsnew.adoc
index 9a5312f4..d63c81cd 100644
--- a/modules/ROOT/pages/whatsnew.adoc
+++ b/modules/ROOT/pages/whatsnew.adoc
@@ -63,6 +63,10 @@ Change notification processing has been optimized to better support high volumes
 Channel cache memory and CPU utilization has been optimized, particularly under high write load.
 Finally, memory and CPU usage associated with skipped sequence processing, which commonly occurs under high write load, has been reduced.
 
+== Performance improvements
+
+Sync Gateway 3.3.3 optimizes channel cache processing to improve throughput in high-load scenarios.
+
 == See Also
 
 xref:3.2@sync-gateway:ROOT:whatsnew.adoc[What's new in previous version 3.2].
diff --git a/modules/ROOT/partials/release_notes/sync-gateway-3-3-0-release-note.adoc b/modules/ROOT/partials/release_notes/sync-gateway-3-3-0-release-note.adoc
index c664cd08..9d803e4d 100644
--- a/modules/ROOT/partials/release_notes/sync-gateway-3-3-0-release-note.adoc
+++ b/modules/ROOT/partials/release_notes/sync-gateway-3-3-0-release-note.adoc
@@ -1,3 +1,23 @@
+== 3.3.3 -- January 2026
+
+=== Fixed Issues
+
+* https://jira.issues.couchbase.com/browse/CBG-5015[CBG-5015 -- Panic in _config?include_runtime=true endpoint]
+* https://jira.issues.couchbase.com/browse/CBG-5131[CBG-5131 -- Clients fetching a delta can panic when the revision cache is disabled]
+
+=== Enhancements
+
+* https://jira.issues.couchbase.com/browse/CBG-4765[CBG-4765 -- Caching performance improvements]
+* https://jira.issues.couchbase.com/browse/CBG-5093[CBG-5093 -- Increase websocket control frame timeouts]
+
+=== Known Issues
+
+None for this release.
+
+=== Deprecations
+
+None for this release.
+
 == 3.3.2 -- December 2025
 
 === Fixed Issues