ViewPreparer issue after updating from 6.2.0 to 6.3.0.1

After I updated to struts 6.3.0.1 I am receiving the following exception: java.lang.ClassCastException: helpers.preparer.BreadCrumbPreparer cannot be cast to org.apache.tiles.api.preparer.ViewPreparer If I revert back to struts2-tiles-plugin-6.2.0.jar the program runs without exceptions. Note:

Form array data disappearing if array is over 256?

I upgraded from struts 2.5.30 to 6.3.0.1 and updated to the new jakarta-stream to fix an issue. My List: private List tags; If a form has over 256 array elements (Example: tag[0] to tag[300]) and it is submitted/posted I only get the first 256 array elements in my struts action (itag.size();