Hello,
Sorry for inconvenience. V3 has a problem in associating .mdj file with the executable. We will fix this problem as soon as possible.
Before the fix, please open your file with File -> Open menu.
Thanks,
StarUML Team
2018년 6월 5일 화요일 오전 12시 28분 58초 UTC+9, Jaja 님의 말: