Hi there,
I think I’ve found a bug:
If I open a v.2 UFOs with build 3.0.4 (3095) the kerning tables are lost but if I open it with 3.0.4 (3094) all the kerning pairs are there.
If I save the UFO as Glyph file, then build 3.0.4 (3095) correctly imports the values.
Regards.