https://bugs.winehq.org/show_bug.cgi?id=51139
--- Comment #45 from Stefan Brüns stefan.bruens@rwth-aachen.de ---
Because I need several additional documents to generate the tax delcaration of 2021 it will take several month until I can report anything
You can always trigger the preview manually, even with an incomplete declaration: Menu "ELSTER" -> "Voransicht der ELSTER Steuererklärung - STRG+E"