How do I update an AppImage. Is it just a matter of downloading the new image and running? Would this loose all of my config info?
yes
no 
once installed, joplin config reside in ~/.config/joplin-desktop and wont be wiped at each upgrade
For ubuntu there is a request to get a package on PPA.
1 Like
Thanks. Nice and simple then. Fast reply too. 
sorry i was slow I had to edit my post several times 