If you switch your application to List & Label from version 26 and pass it on “as usual”, you may get the following exception / output in the log file on customer systems:
ERR: Caught LL_NoDestination_Exception (List & Label has no valid output medium at the print start. The selected export format may be deactivated or not available.).
The reason is that List & Label 26 brings two more dependencies depending on the bitness of the target application, specifically the files
These must now also be redistributed. The Redistribution Assistant or our NuGet packages already take this into account, of course. If you do the redistribution yourself you have to include the new files in your deployment.