Apache Camel Migration and Upgrade Guides

We do frequent releases, a release almost every month, and even though we strive to maintain backward compatibility, we may on occasion introduce a breaking change in the interest of the long-term evolution of the project.

Listed here are the notes on how to migrate between major versions, and what to watch out when upgrading from minor versions.

• Camel 2.x to 3.0 migration guide
• Upgrade guide for 3.x releases
• Camel 3.x to 4.0 migration guide
• Upgrade guide for 4.x releases