Is there any real difference between saving my file as .glyphs or as .ufo? I prefer the latter, so I can use the file in any other application that supports UFO, but I am not sure if I am missing something.
There is one big reason why you would need to save as .glyphs file and that is for multiple master fonts. Otherwise you should be fine.
I realized yesterday that .ufo doesn’t save what I have in the background, but that’s not a big deal I guess.
To save the background is only possible in the UFO v3. I start implementing it as soon as the new specification is finalized.
The other thing I have noticed is that saving as .glyphs and going back to .ufo corrupts the file in 1.0.1 (I can’t convert that .ufo into .vfb or open it in Prepolator). Solved in 1.0.6.
The new version is waiting for review at apple.