Introduction
The NCache 5.3 SP6 release is available for NCache Open Source edition. This version continues to provide a lightweight distributed caching solution for developers and small deployments while maintaining compatibility with modern .NET platforms.
NCache Open Source Edition is available free to use under the applicable open-source license, with the full source code publicly available on GitHub.
This release updates the platform to .NET 8 and introduces new deployment limits to ensure a consistent and manageable open-source offering.
** New Features**
Platform Update (.NET 8)
NCache Open Source servers are now built on .NET 8, ensuring compatibility with the latest .NET runtime improvements and performance optimizations. Supported client frameworks include:
- .NET 4.8
- .NET 6
- .NET 7
- .NET 8
- .NET 9
Maximum Cluster Cache Size
The maximum cumulative cache size across the cluster is now limited to 4GB in the Open Source edition. This ensures predictable resource usage while still enabling distributed caching capabilities for development, testing, and smaller production environments.
Supported Cache Topology
The Open Source edition now supports the Replicated Cache topology only. This topology ensures:
- Automatic data replication across all nodes
- Simplified cluster management
- High availability for cached data
- Cluster Node Limit
- The maximum number of cache nodes supported per cluster is limited to 3 nodes in the Open Source edition. This configuration allows users to experience distributed caching capabilities while maintaining the scope of the open-source offering.
Supported Operating Systems
NCache 5.3 SP6 Open Source servers support the following operating systems:
Windows
- Windows Server 2019
- Windows Server 2022
- Windows Server 2025
- Windows 10
- Windows 11
Linux
- Linux distributions supported by .NET 8 runtime