Add deprecation

content/rc/changelog/april-2024.md

@@ -13,4 +13,8 @@ aliases: []
 
 ### Search and query throughput in ops/sec
 
-You can now set the throughput for databases with Search and query in operations per second (ops/sec), like all other Redis databases. This will let you seamlessly scale your query workload in and out as needed. 
+You can now set the throughput for databases with Search and query in operations per second (ops/sec), like all other Redis databases. This will let you seamlessly scale your query workload in and out as needed. 
+
+## Deprecations
+
+- Setting throughput by `number-of-shards` is now deprecated for the `POST /v1/subscriptions/{subscriptionId}/databases` REST API endpoint and will be removed soon. We recommend changing the throughput measurement to `operations-per-second` when you create databases using the Redis Cloud API.