I’m not sure how to explain this as it’s quite an interesting issue. I’ve spent the past 3 days on the phone with Apple Support because I had thought I installed a virus on my computer. After whipping my hard drive clean, reseting everything, and following every other step they recommended nothing seemed to work.
After a ton of back and forth, I seemed to have narrowed the issue down to a font experiment that I was working on, it’s not a heavy file by any means, but as soon as I install it on my computer it literally breaks everything. I can’t use finder, safari, my dock, the top menu bar, nothing works. It essentially turns my computer into a paper weight. I’ve also installed other fonts (that I’ve made + others found online) and I’ve not been able to recreate it with any other font.
I narrowed it down to this .ttf file (FlipbookV1-FlipbookVARVF.ttf) because I had completely whipped my computer, and only installed that one font, and as soon as I clicked ‘install’ on Font Book the same exact glitch happened.
I’ve attached a google drive link to the ttf/glyphs file, but please be careful. If you do not have backups DO NOT install the otf. I have no clue how this is happening, or if it is even a problem with Glyphs. Apple Support recommended I contact you as they are running out of ideas.
No. I have never used Font Book for anything, and maybe it is possible a font could have only one or two characters. The phantom Instance might be the problem but a dev from Glyphs would have to answer that one.
I had a first look at the file. It doesn’t seem to be totally broken as Safari and FireFox can handle it. I can try in a virtual machine later today. What version of MacOS do you have?
Please check the vertical metrics in the master settings. the overshot and Cap height is zero in some masters.
And the Variable font settings should be called “Regular”, You need another Family Name property to change it.