# Dec 2024 Release

The December release of Platform9 <code class="expression">space.vars.product\_name</code> comes with a number of feature updates and enhancements.

## Key Features

1. **Cluster blueprints got a major upgrade** - Cluster blueprint feature that enables a profile based / declarative mechanism for defining the desired state of a Virtualized Cluster got a major upgrade in this release . You can now define multiple host configurations as part of the Cluster Blueprint instead of having to standardize on a single host configuration. This enables you to incorporate diversity of infrastructure in your data center under a single Virtualized Cluster.
2. **Automatic Resource Rebalancing (ARR) enhancement** - ARR feature now utilizes both CPU and Memory metrics while making decisions on VM distribution on Virtualized Cluster