Downloading works again. But the Download window is still not closing and, I just noticed, has a one column too many at the right side, which is probably due to being taken by the Delete button.
Downloading works again.
0.5 isn't supposed to work with java 17, use 0.6 beta 3 and make sure to delete, if existing, the ~/.OffRoad folder.
I also had 0.6b3 not starting with java 17, but deleting the ~/.OffRoad folder solved it.
Downloading maps not working, Download window not closing