# Page Not Found

The URL `server-upgrade-and-maintenance/upgrade/release-cycle-model` does not exist.

You might be looking for one of these pages:
- [Release cycle model](https://docs.sonarsource.com/sonarqube-server/2025.2/server-update-and-maintenance/upgrade/release-cycle-model.md)
- [Determining the upgrade path](https://docs.sonarsource.com/sonarqube-server/2025.2/server-update-and-maintenance/upgrade/determine-path.md)
- [Other migration-related tasks](https://docs.sonarsource.com/sonarqube-server/2025.2/server-update-and-maintenance/upgrade/other-procedures.md)
- [Performing the upgrade](https://docs.sonarsource.com/sonarqube-server/2025.2/server-update-and-maintenance/upgrade/upgrade.md)
- [Overview](https://docs.sonarsource.com/sonarqube-server/2025.2/server-update-and-maintenance/upgrade/roadmap.md)

## How to find the correct page

1. **Browse the full index**: [/sitemap.md](https://docs.sonarsource.com/sitemap.md) - Complete documentation index
2. **View the full content**: [/llms-full.txt](https://docs.sonarsource.com/llms-full.txt) - Full content export

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/sonarqube-server/2025.2/server-update-and-maintenance/upgrade/release-cycle-model.md`)
- Use `Accept: text/markdown` header for content negotiation