RC: Faster resharding changelog

Author: cmilesb

content/operate/rc/changelog/june-2025.md

@@ -0,0 +1,25 @@
+---
+Title: Redis Cloud changelog (June 2025)
+alwaysopen: false
+categories:
+- docs
+- operate
+- rc
+description: New features, enhancements, and other changes added to Redis Cloud during
+  June 2025.
+highlights: Faster scaling with Redis hashing policy
+linktitle: June 2025
+weight: 28
+---
+
+## Enhancements
+
+### Faster scaling with Redis hashing policy
+
+Starting June DATE, 2025, new Redis Cloud accounts can create databases that scale faster. This makes resharding operations up to 40% faster than before.
+
+Faster scaling requires:
+- A new Redis cloud account, created after June DATE, 2025
+- A new database running Redis 7.4 or later, with the [Redis hashing policy]({{< relref "/operate/rc/databases/configuration/clustering#redis-hashing-policy" >}}) selected
+
+For these databases, this enhancement is enabled automatically, ensuring that all future resharding operations complete faster than ever.

content/operate/rc/databases/configuration/clustering.md

@@ -112,6 +112,8 @@ The Redis hashing policy is identical to the [hashing policy used by Redis Open
 - Your application does not use hashtags in database key names.
 - Your application uses binary data as key names.
 
+The Redis hashing policy allows for faster scaling where available.
+
 ### Standard hashing policy
 
 The Standard hashing policy is mostly consistent with the Redis hashing policy, and will generate the same hash-slot calculation in the following cases: