> ## Documentation Index
> Fetch the complete documentation index at: https://doc.lucidworks.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Policies

[localhost link]: http://localhost:3000/docs/policies/overview

[mintlify link]: https://doc.lucidworks.com/docs/policies/overview

[old doc.lw link]: https://doc.lucidworks.com/fusion-server/4.2/200

This section provides comprehensive policy and support information for Lucidworks Fusion and related products. Understanding these policies helps you plan upgrades, access support resources, and maintain compliant deployments.

## What you'll find here

### Support Tiers

Different support policies apply based on your deployment type and licensing model:

* **Enterprise Technical Support** covers customer-hosted, server-based Fusion products with 24-month mainstream support periods
* **Managed Services Support** covers cloud-native Fusion hosted by Lucidworks with 24x7 incident response and SLA guarantees
* **Modern Technical Support** covers customer-hosted, cloud-native Fusion with 18-month support windows
* **Technical Support** provides general guidance on opening support cases and working with the Lucidworks support team

### Support Lifecycle Policies

Version support policies vary by Fusion release:

* **Fusion 5.17.0 and later** follows semantic versioning with annual major releases supported for 20 months
* **Fusion 5.5.1 through 5.9.16** includes Long-Term Support (LTS) and Rapid Release models
* **Fusion 5.5.0 and earlier** covered by the original Modern and Enterprise lifecycle policies

### Technology Support

Policies governing third-party components and platform compatibility:

* **Apache Solr Support Policy** defines which Solr versions receive support and updates
* **Certified vs. Supported Policy** explains the difference between certified configurations and general support coverage

### Product Features

Information about limited availability features and their version dependencies.

### Privacy and Compliance

Policies for data collection and privacy:

* **Signals Beacon Privacy and Security** outlines anonymization protocols and data protection measures
* **GDPR Compliance Policy** details how the Signals Beacon meets GDPR requirements