# Major Updates

- [API Server 8.x to 9.x](/deployments/maintenance-and-migration/major-updates/api-server-8.x-to-9.x.md)
- [API Server 7.x to 8.x](/deployments/maintenance-and-migration/major-updates/api-server-7.x-to-8.x.md)
- [API Server 6.x to 7.x](/deployments/maintenance-and-migration/major-updates/api-server-6.x-to-7.x.md)
- [API Server 5.x to 6.x](/deployments/maintenance-and-migration/major-updates/api-server-5.x-to-6.x.md)
- [PDF Server 1.x-3.x to 5.x](/deployments/maintenance-and-migration/major-updates/pdf-server-1.x-3.x-to-5.x.md)