Best check the syno forum. There you should get better support as this is a syno problem, not a syncthing problem.
Though there was a thread not long ago where syncthing wasn’t listed in the packages with some DSM versions:
Best check the syno forum. There you should get better support as this is a syno problem, not a syncthing problem.
Though there was a thread not long ago where syncthing wasn’t listed in the packages with some DSM versions: