Apache Camel 4.x Upgrade Guide

This document is for helping you upgrade your Apache Camel application from Camel 4.x to 4.y. For example, if you are upgrading Camel 4.0 to 4.2, then you should follow the guides from both 4.0 to 4.1 and 4.1 to 4.2.

Upgrading Camel 4.7 to 4.8


The KafkaIdempotentRepository will now continue to sync cache updates after Camel has been started. You can configure startupOnly=true to only sync the cache once on startup (however then the cache is not synced with other Camel nodes in a cluster).