Hello,
I saw the newest version of StarUML, V6.2.2 and I wanted to upgrade my installation which is on 6.1.0.
I did the upgrade but the XMI export doesn't work!! That is the most important feature I need so I was freaking out. Fortunately, I still had the 6.1.0 in my downloads folder so I could downgrade it and have XMI export again.