"initialRedeliveryDelay" in RedeliveryPolicy has been renamed to "delay". You will need to make this change in the Java/Spring DSL usage of the deadLetterChannel, redeliveryPolicy, transactionErrorHandler, and onException.
CamelTemplate has been removed, use ProducerTemplate instead. It can be created using org.apache.camel.CamelContext.createProducerTemplate().
exception() has been renamed to onException().
The beanShell method on ExpressionClause has been removed. Use language("beanshell", text) instead.
handleAll in try-catch has been renamed to finallyBlock
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