I have a font which looks perfect in Glyphs, but when exported, some letters like quotes, have incorrect spacings... why? How to fix?

Glyphs
1

I have a font which looks perfect in Glyphs, but when exported, some letters like quotes, have incorrect spacings… why? How to fix?

2

Can you show how it looks in Glyphs and the other app?

3

I could simply send you the font if you would like

4

Please do that.