Jason,
This morning I have changed the version of docx4j in the main pom of our project to 2.8.0. In the previous version of our application we replaced mergefield by own code. I read about the new feature of replacing mergefields in the new docx4j release and updated.
I have tested the code with a docx file consisting of a maindocument part and a footer. I see the footer's mergefields are not replaced. In the ...