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We use the trunk for the next main release; then we use a branch for any bug fixes on the previous major release. You can look at a specific branch all branches here
https://svn.apache.org/repos/asf/activemq/camel/branches/
The branch for Camel 1.x is here
https://svn.apache.org/repos/asf/activemq/camel/branches/camel-1.x
Building the code
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