Current version: 5.3.18 released 25th August 2017
Download (Mac): http://dvaupdate.blob.core.windows.net/5-3-18/DVA5.dmg.bz2
Download (Windows): http://dvaupdate.blob.core.windows.net/5-3-18/DVA5Setup.exe
Download (Linux): http://dvaupdate.blob.core.windows.net/5-3-18/DVA5.deb
New versions can be installed over the top of the old version without uninstalling.
(If you are using a Mac and get the message "cannot be opened because it is from an unidentified developer", right click and choose Open. This will only happen the first time you open it.)