Font info > Feature > ligatures suggestions

1. I've noticed that as "generate Feature automatically" (you mispelled the double l) works well for ligatures, if I add then new speficiations and then I click on the refresh button, Glyphs deletes my manual adds. It should be nice to keep my manual added lines.

2. It would be great if the ligatures were active in "text" mode in glyphs panel, to preview and kern them if needed.

1) You can only keep the hole feature if you deselect the "generate feature automatically". If does not support partial manual features for now.

2) you can use the second popup button at the bottom of the edit view to select any of the automatically created feature (only the frac feature does not work). If you have smallcaps or tabular figures...