Hello. I am working at the font company. I check the font files designers want to sell on our online market before they are upload. I am working on Glyphs3 on Mac 12.0.1.
Recently, I am checking a font family that has light, medium, bold. I wanted to open three files of the family at the same time but I couldn’t because the crush.
Please send the crash report with the dialog that comes up when you restart the app. Add a note that references this forum thread and post a note here (the crash reporter tool I use was bought by Microsoft and they made it quite difficult to find stuff. So I need the approximate time).