I think you can bundle lupdate in your application and create qm file on the fly. P.S. : TS files are just xml files, so you can change them in your own application, via user feedback or something else

@mrjj okay - thanks for help!

Thanks for your answer, JohanSolo! Greetings, Markus

I'd say: benchmark it, so you'll know how much time it takes to do the match. Don't forget to load several dictionaries to match real-life setup